day27 学习HTML-01天

1 HTML入门

1.1 初识HTML

1.1.1 概述

网络世界已经跟我们息息相关,当我们打开一个网站,首先映入眼帘的就是一个个华丽多彩的网页。这些网页,不仅呈现着基本的内容,还具备优雅的布局和丰富的动态效果,这一切都是如何做到的呢?前端入门课程,为您一层层的揭开网页的面纱。

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  • 网页的构成
    • HTML:通常用来定义网页内容的含义和基本结构。
    • CSS:通常用来描述网页的表现与展示效果。
    • JavaScript:通常用来执行网页的功能与行为。

HTML(超文本标记语言——HyperText Markup Language)是构成 Web 世界的一砖一瓦。它是一种用来告知浏览器如何组织页面的标记语言

所谓超文本Hypertext,是指连接单个或者多个网站间的网页的链接。我们通过链接,就能访问互联网中的内容。

所谓标记Markup ,是用来注明文本,图片等内容,以便于在浏览器中显示,例如,等。

  • HTML发展简史【了解】
    • HTML 1.0在1993年6月作为互联网工程工作小组(IETF)工作草案发布(并非标准)
    • HTML 2.0——1995年11月作为RFC 1866发布,在RFC 2854于2000年6月发布之后被宣布已经过时
    • HTML 3.2——1997年1月14日,W3C推荐标准
    • HTML 4.0——1997年12月18日,W3C推荐标准
    • HTML 4.01(微小改进)——1999年12月24日,W3C推荐标准
    • HTML5 —— 2014年10月29日,万维网联盟宣布,经过接近8年的艰苦努力,该标准规范终于制定完成。是目前最为流行的版本,提供了很多标签新特性,现代大多数浏览器已经具备了 HTML5的支持。

扩展资料:

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w3c是万维网联盟(World Wide Web Consortium,W3C),又称W3C理事会。1994年10月在麻省理工学院计算机科学实验室成立。建立者是万维网的发明者蒂姆·伯纳斯-李,负责制定web相关标准的制定。

1.1.2 HTML的组成

HTML页面由一系列的元素(elements) 组成,而元素是使用标签创建的。

1)标签

一对标签( tags)可以设置一段文字样式,添加一张图片或者添加超链接等等。 例如:

<h1>今天是个好日子h1>

在HTML中,

标签表示标题,那么,我们可以使用开始标签结束标签包围文本内容,这样其中的内容就以标题的形式显示了。
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显示效果如下:

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2)属性

HTML标签可以拥有属性。属性提供了有关 HTML 元素的更多的信息。我们只能在开始标签中,加入属性。通常以名称=值成对的形式出现,比如:name=‘value’。例如:

<h1 align="center">今天是个好日子!!!h1>

在HTML标签中,align 属性表示水平对齐方式,我们可以赋值为 center 表示 居中

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显示效果如下:

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1.2 入门案例

1.2.1 初始页面

1)创建一个标准的初始化页面

  1. 右键点击创建新页面

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  1. 自定义文件名字,比如index

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  1. 点击ok,页面创建成功。

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2)页面说明

  1. : 声明文档类型。规定了HTML页面必须遵从的良好规则,从HTML5后,是最短的有效的文档声明。

    文字作为了解资料

    很久以前,早期的HTML(大约1991年2月),文档类型声明类似于链接,能自动检测错误和其他有用的东西。使用如下:

    DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    

    然而现在没有人再这样写,需要保证每一个东西都正常工作已成为历史。

  2. :这个标签包裹了整个完整的页面,是一个根元素(顶级元素)。其他所有元素必须是此元素的后代,每篇HTML文档只有一个根元素。

  3. 头部标签 这个标签是一个容器,它包含了所有你想包含在HTML页面中但不想在HTML页面中显示的内容。这些内容包括你想在搜索结果中出现的关键字和页面描述,CSS样式,字符集声明等等。以后的章节能学到更多关于 元素的内容。目前主要了解两个标签:

    1. 设置字符集 这个标签是页面的元数据信息,设置文档使用utf-8字符集编码,utf-8字符集包含了人类大部分的文字。基本上他能识别你放上去的所有文本内容,能够避免页面乱码问题。
    2. </code>:这个标签定义<strong>文档标题</strong>,位置出现在浏览器标签上,而不是页面正文中。在收藏页面时,它可用来描述页面。</li> </ol> </li> <li> <p><code><body></code>:<strong>身体标签</strong> 包含了文档内容,你访问页面时所有显示在页面上的文本,图片,音频,游戏等等。</p> </li> </ol> <h3>1.2.2 案例实现</h3> <ol> <li> <p>在初始化页面的<code><body></code>标签中,加入一对<code><p></code> 标签。<code><p></code>标签表示文本的一个段落,具有整段文本之间相分离的效果。</p> <pre><code class="prism language-html"><span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>utf-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>页面标题<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span> </code></pre> </li> <li> <p>在一对<code><p></code> 标签中,编写文本内容。</p> <pre><code class="prism language-html"> <span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>utf-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>页面标题<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span>这是第一个页面<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span> </code></pre> </li> <li> <p>打开浏览器查看,效果如下:</p> </li> </ol> <p><a href="http://img.e-com-net.com/image/info8/55902e1f64c342dd9431c5c31292919b.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/55902e1f64c342dd9431c5c31292919b.jpg" alt="day27 学习HTML-01天_第9张图片" width="650" height="238" style="border:1px solid black;"></a></p> <h2>1.3 总结</h2> <ul> <li> <p>HTML是一种<strong>标记语言</strong>,用来组织页面,使用元素和属性。</p> </li> <li> <p><strong>这个元素的主要部分有:</strong></p> </li> </ul> <ol> <li><strong>元素</strong>(Element):开始标签、结束标签与内容相结合,便是一个完整的元素。</li> <li><strong>开始标签</strong>(Opening tag):包含元素的名称(本例为 p),被左、右角括号所包围。表示元素从这里开始或者开始起作用 —— 在本例中即段落由此开始。</li> <li><strong>结束标签</strong>(Closing tag):与开始标签相似,只是其在元素名之前包含了一个斜杠。这表示着元素的结尾 —— 在本例中即段落在此结束。初学者常常会犯忘记包含结束标签的错误,这可能会产生一些奇怪的结果。</li> <li><strong>内容</strong>(Content):元素的内容,本例中就是所输入的文本本身。</li> <li><strong>属性</strong>(Attribute):标签的附加信息。</li> </ol> <ul> <li><strong>在学习HTML时,要抓住两个方面:</strong></li> </ul> <ol> <li>掌握标签所代表的含义。</li> <li>掌握在标签中加入的属性的含义。</li> </ol> <h1>2 基本语法</h1> <h2>2.1 <strong>关于注释</strong></h2> <p>如同大部分的编程语言一样,在HTML中有一种可用的机制来在代码中书写注释。</p> <p>为了将一段HTML中的内容置为注释,你需要将其用特殊的记号 包括起来, 比如:</p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span>我在注释外!<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token comment"><!-- <p>我在注释内!</p> --></span> </code></pre> <h2>2.2 关于标签</h2> <h3>2.2.1 空元素</h3> <p>不是所有元素都拥有开始标签,内容和结束标记。一些元素只有一个标签,叫做空元素。它是在开始标签中进行关闭的。例子如下:</p> <pre><code class="prism language-html">第一行文档<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>br</span><span class="token punctuation">/></span></span> 第二行文档<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>br</span><span class="token punctuation">/></span></span> </code></pre> <h3>2.2.2 嵌套元素</h3> <p>你也可以把元素放到其它元素之中——这被称作嵌套。比如,我们想要强调<code>第一个</code>,可以将<code><b></code>标签包围第一个,这样<code>b标签</code>就是嵌套在了<code>p标签</code>中:</p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span>这是<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>b</span><span class="token punctuation">></span></span>第一个<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>b</span><span class="token punctuation">></span></span>页面<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> </code></pre> <h3>2.2.3 块级和行内</h3> <h4>1)概念</h4> <p>在HTML中有两种重要元素类别,块级元素和内联元素。</p> <ul> <li> <p><strong>块级元素</strong>:</p> <p><strong>独占一行</strong>。块级元素(block)在页面中以块的形式展现。相对于其前面的内容它会出现在新的一行,其后的内容也会被挤到下一行展现。比如<code><p></code> ,<code><hr></code>,<code><li></code> ,<code><div></code>等。</p> </li> <li> <p><strong>行内元素</strong></p> <p><strong>行内显示</strong>。行内元素不会导致换行。通常出现在块级元素中并环绕文档内容的一小部分,而不是一整个段落或者一组内容。比如<code><b></code>,<code><a></code>,<code><i></code>,<code><span></code> 等。</p> <blockquote> <p>注意:一个块级元素不会被嵌套进内联元素中,但可以嵌套在其它块级元素中。</p> </blockquote> </li> </ul> <h4>2)div和span</h4> <ul> <li> <p><code><div></code> 是一个通用的内容容器,并没有任何特殊语义。它可以被用来对其它元素进行分组,一般用于样式化相关的需求。它是一个<strong>块级元素</strong>。</p> </li> <li> <p><code><span></code> 是短语内容的通用行内容器,并没有任何特殊语义。它可以被用来编组元素以达到某种样式。它是一个<strong>行内元素</strong>。</p> <blockquote> <p>注意:div和span在页面布局中有重要作用。</p> </blockquote> </li> </ul> <h2>2.3 关于属性</h2> <blockquote> <p>【重点讲解】</p> <p>属性作为HTML的重要部分,这里强调属性的格式和作用。</p> </blockquote> <p>标签属性,主要用于拓展标签。属性包含元素的额外信息,这些信息不会出现在实际的内容中。但是可以改变标签的一些行为或者提供数据,属性总是以<code>name = value</code>的格式展现。</p> <ul> <li> <p>属性名:同一个标签中,属性名不得重复。</p> </li> <li> <p>大小写:属性和属性值对大小写不敏感。不过W3C标准中,推荐使用小写的属性/属性值。</p> </li> <li> <p>引号:双引号是最常用的,不过使用单引号也没有问题。</p> </li> <li> <p>常用属性:</p> <table> <thead> <tr> <th>属性名</th> <th>作用</th> </tr> </thead> <tbody> <tr> <td>class</td> <td>定义元素类名,用来选择和访问特定的元素</td> </tr> <tr> <td>id</td> <td>定义元素唯一标识符,在整个文档中必须是唯一的</td> </tr> <tr> <td>name</td> <td>定义元素名称,可以用于提交服务器的表单字段</td> </tr> <tr> <td>value</td> <td>定义在元素内显示的默认值</td> </tr> <tr> <td>style</td> <td>定义CSS样式,这些样式会覆盖之前设置的样式(第一天简单了解,第二天主要内容)</td> </tr> </tbody> </table></li> </ul> <h2>2.4 特殊字符</h2> <blockquote> <p>了解讲解:</p> <p>内容简单,迅速带过。</p> </blockquote> <p>在HTML中,字符 <code><</code>, <code>></code>,<code>"</code>,<code>'</code> 和 <code>&</code> 是特殊字符. 它们是HTML语法自身的一部分, 那么你如何将这些字符包含进你的文本中呢</p> <table> <thead> <tr> <th>原义字符</th> <th>等价字符引用</th> </tr> </thead> <tbody> <tr> <td><</td> <td><code><</code></td> </tr> <tr> <td>></td> <td><code>></code></td> </tr> <tr> <td>"</td> <td><code>"</code></td> </tr> <tr> <td>’</td> <td><code>'</code></td> </tr> <tr> <td>&</td> <td><code>&</code></td> </tr> <tr> <td>空格</td> <td><code> </code></td> </tr> </tbody> </table> <h2>2.5 总结</h2> <p>HTML的基本语法比较简单,在使用的过程中注意写法即可。</p> <h1>3 HTML案例-新闻文本</h1> <blockquote> <p>重点讲解:</p> <ol> <li>div布局的基本方式</li> <li>文本标签的基本使用</li> </ol> </blockquote> <p>文本结构的页面基本是由<strong>标题</strong>和<strong>段落</strong>构成的,内容结构化会使读者的阅读体验更轻松。</p> <h2>3.1 案例效果</h2> <p>显示新闻文本。</p> <p><a href="http://img.e-com-net.com/image/info8/14993d3cab364242b990a1856f003d72.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/14993d3cab364242b990a1856f003d72.jpg" alt="day27 学习HTML-01天_第10张图片" width="650" height="284" style="border:1px solid black;"></a></p> <h2>3.2 案例分析</h2> <h3>3.2.1 div样式布局</h3> <p>文本由几部分构成,我们可以使用div将页面分割布局。先来了解一下,使用div如何进行简单的布局。</p> <p>在head标签中,通过style标签加入样式。</p> <p><strong>基本格式:</strong></p> <pre><code class="prism language-css"><span class="token selector">格式: <style> 标签名</span><span class="token punctuation">{</span> <span class="token property">属性名</span><span class="token punctuation">:</span>属性值<span class="token punctuation">;</span> <span class="token punctuation">}</span> </style> </code></pre> <p><strong>多个属性名格式:</strong></p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>style</span><span class="token punctuation">></span></span><span class="token style"><span class="token language-css"> <span class="token selector">标签名</span><span class="token punctuation">{</span> <span class="token property">属性名1</span><span class="token punctuation">:</span>属性值1<span class="token punctuation">;</span> <span class="token property">属性名2</span><span class="token punctuation">:</span>属性值2<span class="token punctuation">;</span> <span class="token property">属性名3</span><span class="token punctuation">:</span>属性值3<span class="token punctuation">;</span> <span class="token punctuation">}</span> </span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>style</span><span class="token punctuation">></span></span> </code></pre> <p>代码实现:</p> <pre><code class="prism language-html"><span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>en<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>UTF-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>样式演示<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>style</span><span class="token punctuation">></span></span><span class="token style"><span class="token language-css"> <span class="token selector">div</span><span class="token punctuation">{</span> <span class="token comment">/*显示边框 1px是一个像素点 solid是实现 red红色*/</span> <span class="token property">border</span><span class="token punctuation">:</span> 1px solid red<span class="token punctuation">;</span> <span class="token comment">/*width是宽度 占屏的60%*/</span> <span class="token property">width</span><span class="token punctuation">:</span> 60%<span class="token punctuation">;</span> <span class="token comment">/*高度500像素点*/</span> <span class="token property">height</span><span class="token punctuation">:</span> 500px<span class="token punctuation">;</span> <span class="token comment">/*边框外边据 auto是自适应*/</span> <span class="token property">margin</span><span class="token punctuation">:</span> auto<span class="token punctuation">;</span> <span class="token punctuation">}</span> </span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>style</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token punctuation">></span></span>这是第一个div<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span> </code></pre> <p>效果如下:</p> <p><a href="http://img.e-com-net.com/image/info8/af4db08dac1941c8a2f836cd3357770d.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/af4db08dac1941c8a2f836cd3357770d.jpg" alt="day27 学习HTML-01天_第11张图片" width="650" height="268" style="border:1px solid black;"></a></p> <p><strong>div的多样式:</strong></p> <p>一个属性名可以含有多个值,同时设置多样式。</p> <p>格式:</p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>style</span><span class="token punctuation">></span></span><span class="token style"><span class="token language-css"> <span class="token selector">标签名</span><span class="token punctuation">{</span> <span class="token property">属性名</span><span class="token punctuation">:</span>属性值1 属性值2 属性值3<span class="token punctuation">;</span> <span class="token punctuation">}</span> </span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>style</span><span class="token punctuation">></span></span> </code></pre> <blockquote> <p>【提示】</p> <p>为了布局方便,我们通常可以先设置边框的样式,进行布局。结束后,再去掉边框,直观展示完整界面。</p> </blockquote> <h3>3.2.2 文本标签</h3> <p>使用文本内容标签设置文字基本样式。</p> <table> <thead> <tr> <th>标签名</th> <th>作用</th> </tr> </thead> <tbody> <tr> <td>p</td> <td>表示文本的一个段落</td> </tr> <tr> <td>h</td> <td>表示文档标题,<code><h1>–<h6></code> ,呈现了六个不同的级别的标题,<code><h1></code> 级别最高,而 <code><h6></code> 级别最低</td> </tr> <tr> <td>hr</td> <td>表示段落级元素之间的主题转换,一般显示为水平线</td> </tr> <tr> <td>li</td> <td>表示列表里的条目。</td> </tr> <tr> <td>ul</td> <td>表示一个无序列表,可含多个元素,无编号显示。</td> </tr> <tr> <td>ol</td> <td>表示一个有序列表,通常渲染为有带编号的列表</td> </tr> <tr> <td>em</td> <td>表示文本着重,一般用斜体显示</td> </tr> <tr> <td>strong</td> <td>表示文本重要,一般用粗体显示</td> </tr> <tr> <td>font</td> <td>表示字体,可以设置样式(已过时)</td> </tr> <tr> <td>i</td> <td>表示斜体</td> </tr> <tr> <td>b</td> <td>表示加粗文本</td> </tr> </tbody> </table> <p>代码实现:</p> <pre><code class="prism language-html"><span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>en<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>UTF-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>文本标签演示<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span> <span class="token comment"><!-- 段落标签:<p> --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span>测试1<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span>测试2<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token comment"><!-- 标题标签:<h1> ~ <h6> --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h1</span><span class="token punctuation">></span></span>一级标题<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h1</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h2</span><span class="token punctuation">></span></span>二级标题<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h2</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h3</span><span class="token punctuation">></span></span>三级标题<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h3</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h4</span><span class="token punctuation">></span></span>四级标题<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h4</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h5</span><span class="token punctuation">></span></span>五级标题<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h5</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h6</span><span class="token punctuation">></span></span>六级标题<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h6</span><span class="token punctuation">></span></span> <span class="token comment"><!-- 水平线标签:<hr/> 属性: size-大小 color-颜色 --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>hr</span> <span class="token attr-name">size</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>4<span class="token punctuation">"</span></span> <span class="token attr-name">color</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>red<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span> <span class="token comment"><!-- 无序列表:<ul> 属性:type-列表样式(disc实心圆、circle空心圆、square实心方块) 列表项:<li> --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>ul</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>circle<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>li</span><span class="token punctuation">></span></span>javaEE<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>li</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>li</span><span class="token punctuation">></span></span>HTML<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>li</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>ul</span><span class="token punctuation">></span></span> <span class="token comment"><!-- 有序列表:<ol> 属性:type-列表样式(1数字、A或a字母、I或i罗马字符) start-起始位置 列表项:<li> --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>ol</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>1<span class="token punctuation">"</span></span> <span class="token attr-name">start</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>10<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>li</span><span class="token punctuation">></span></span>第一<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>li</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>li</span><span class="token punctuation">></span></span>第二<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>li</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>ol</span><span class="token punctuation">></span></span> <span class="token comment"><!-- 斜体标签:<i> <em> --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>i</span><span class="token punctuation">></span></span>我倾斜了<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>i</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>em</span><span class="token punctuation">></span></span>我倾斜了<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>em</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>br</span><span class="token punctuation">/></span></span> <span class="token comment"><!-- 加粗标签:<strong> <b> --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>strong</span><span class="token punctuation">></span></span>加粗文本<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>strong</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>b</span><span class="token punctuation">></span></span>加粗文本<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>b</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>br</span><span class="token punctuation">/></span></span> <span class="token comment"><!-- 文字标签:<font> 属性: size-大小 color-颜色 --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>font</span> <span class="token attr-name">size</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>5<span class="token punctuation">"</span></span> <span class="token attr-name">color</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>yellow<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>这是一段文字<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>font</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span> </code></pre> <p><strong>重点演示li的不换行效果:</strong></p> <pre><code class="prism language-css"><span class="token selector">li</span><span class="token punctuation">{</span> <span class="token property">display</span><span class="token punctuation">:</span> inline<span class="token punctuation">;</span> // 内联样式<span class="token punctuation">,</span>有宽度<span class="token punctuation">,</span>无高度<span class="token punctuation">}</span> <span class="token selector">li</span><span class="token punctuation">{</span> <span class="token property">display</span><span class="token punctuation">:</span> inline-block<span class="token punctuation">;</span> // 内联样式<span class="token punctuation">,</span>有宽度<span class="token punctuation">,</span>有高度<span class="token punctuation">}</span> </code></pre> <h2>3.3 使用标签</h2> <ol> <li>简单布局,使用div标签。</li> <li>文本样式,使用基本文本标签。</li> </ol> <h2>3.4 实现步骤</h2> <ol> <li>创建初始页面。</li> <li>使用div标签划分区域(标题,作者,副标题,正文),设置div样式。</li> <li>编辑正文。 <ol> <li>使用h1标签加入标题。</li> <li>使用em标签加入作者信息。</li> <li>使用hr标签加入分割线。</li> <li>使用h3标签加入副标题。</li> <li>使用p标签加入正文。</li> <li>使用ol标签,li标签加入列表信息。</li> <li>使用strong标签,加入文字强调效果。</li> </ol> </li> </ol> <h1>4 HTML案例-头条页面</h1> <h2>4.1 案例效果</h2> <p><a href="http://img.e-com-net.com/image/info8/c5c87624879147bfb1e55d9d00b8d70b.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/c5c87624879147bfb1e55d9d00b8d70b.jpg" alt="day27 学习HTML-01天_第12张图片" width="650" height="942" style="border:1px solid black;"></a></p> <h2>4.2 案例分析</h2> <h3>4.2.1 div布局的进阶</h3> <p><a href="http://img.e-com-net.com/image/info8/5783c512299b48fb800c2ffc590a98e0.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/5783c512299b48fb800c2ffc590a98e0.jpg" alt="day27 学习HTML-01天_第13张图片" width="650" height="231" style="border:1px solid black;"></a></p> <p>想要将div布局成案例效果,首先需要对多个div进行区分,再分别设置每一个div自身的效果。</p> <h4>1)div的class值</h4> <p>首先编写三个div,设置边框样式</p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>style</span><span class="token punctuation">></span></span><span class="token style"><span class="token language-css"> <span class="token selector">div</span><span class="token punctuation">{</span> <span class="token property">border</span><span class="token punctuation">:</span> 1px solid blue<span class="token punctuation">;</span><span class="token punctuation">}</span> </span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>style</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token punctuation">></span></span>left<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token punctuation">></span></span>center<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span>right<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/1373b2f783e440ba9e1cda5bf6296b12.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/1373b2f783e440ba9e1cda5bf6296b12.jpg" alt="day27 学习HTML-01天_第14张图片" width="650" height="128" style="border:1px solid black;"></a></p> <p>发现通过div设置的样式都是一致的,无法个性化布局。如何区分不同的div呢?</p> <p>使用class的值,格式:</p> <pre><code class="prism language-html"> .class值{ 属性名:属性值; } <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>标签名</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>class值<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> 提示: class是自定义的值 </code></pre> <p>所以,使用class属性值,可以帮助我们区分div,更加精确的设置标签的样式。</p> <h4>2)浮动布局和清除</h4> <p>主体部分分为三列,而div是独占一行的,所以想要使用div布局,就还需要加入<code>浮动</code> 属性。</p> <ul> <li> <p><strong>概念</strong></p> <p><strong>float</strong>:指定一个元素应沿其容器的左侧或右侧放置,允许文本或者内联元素环绕它,该元素从网页的正常流动中移除,其他部分保持正常文档流顺序。</p> <p>格式:</p> <pre><code class="prism language-css"><!-- 加入浮动 --> float:none;不浮动 float:left;左浮动 float:right;右浮动 <!-- 清除浮动 --> clear:both;清除两侧浮动,此元素不再收浮动元素布局影响。 </code></pre> </li> </ul> <ol> <li>加入三部分div</li> </ol> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>left<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>left<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>center<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>center<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>right<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/30bb087cabb84ec599374cfddfe8d164.png" target="_blank"><img src="http://img.e-com-net.com/image/info8/30bb087cabb84ec599374cfddfe8d164.png" alt="day27 学习HTML-01天_第15张图片" width="712" height="174" style="border:1px solid black;"></a></p> <ol start="2"> <li>浮动布局</li> </ol> <pre><code class="prism language-css"> <span class="token selector">.left</span><span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 20%<span class="token punctuation">;</span> <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token selector">.center</span><span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 59%<span class="token punctuation">;</span> <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token selector">.right</span><span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 20%<span class="token punctuation">;</span> <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span> <span class="token punctuation">}</span> </code></pre> <p>至此完成左中右三部分的布局。</p> <ol start="3"> <li>加入<code>footer</code> 部分</li> </ol> <pre><code class="prism language-html"> .footer{ border: 5px solid blue; } <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>footer<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>footer<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/5bc041ce8a504d8e8cdba3653e68d2fa.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/5bc041ce8a504d8e8cdba3653e68d2fa.jpg" alt="在这里插入图片描述" width="650" height="82"></a></p> <p>发现蓝色<code>footer</code>的div,延续正常文档流布局,摆放在<code>navbar</code>的下方,与浮动元素重叠。想要清除浮动影响,所以要设置清除浮动属性<code>clear</code>。</p> <pre><code class="prism language-html"> .footer{ border: 5px solid blue; clear: both; } <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>footer<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>footer<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <ol start="4"> <li>设置<code>center</code></li> </ol> <p>增加<code>center</code> 高度,完成基本的布局效果。</p> <pre><code class="prism language-css"><span class="token selector">.center</span><span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 59%<span class="token punctuation">;</span> <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span> <span class="token property">height</span><span class="token punctuation">:</span> 600px<span class="token punctuation">;</span> <span class="token punctuation">}</span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/2ddc0c53462f4db189d6c8a97abd24ae.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/2ddc0c53462f4db189d6c8a97abd24ae.jpg" alt="day27 学习HTML-01天_第16张图片" width="650" height="333" style="border:1px solid black;"></a></p> <h3>4.2.2 设置背景</h3> <ul> <li> <p><strong>设置背景的格式</strong>:</p> <pre><code class="prism language-css"><span class="token property">背景色</span><span class="token punctuation">:</span> <span class="token property">background-color</span><span class="token punctuation">:</span> black<span class="token punctuation">;</span> <span class="token property">背景图</span><span class="token punctuation">:</span> <span class="token property">background-image</span><span class="token punctuation">:</span> <span class="token url"><span class="token function">url</span><span class="token punctuation">(</span><span class="token string url">"../img/bg.png"</span><span class="token punctuation">)</span></span><span class="token punctuation">;</span> </code></pre> </li> </ul> <p>请设置如下布局,效果如下</p> <p><a href="http://img.e-com-net.com/image/info8/01ce4b0c5965472a9cf8b3014597b86a.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/01ce4b0c5965472a9cf8b3014597b86a.jpg" alt="day27 学习HTML-01天_第17张图片" width="650" height="287" style="border:1px solid black;"></a></p> <p>代码实现</p> <pre><code class="prism language-html"> <span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>en<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>UTF-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>样式演示<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>style</span><span class="token punctuation">></span></span><span class="token style"><span class="token language-css"> <span class="token comment">/*给div标签添加边框*/</span> <span class="token selector">div</span><span class="token punctuation">{</span> <span class="token property">border</span><span class="token punctuation">:</span> 1px solid red<span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token comment">/*左侧图片的div样式*/</span> <span class="token selector">.left</span><span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 20%<span class="token punctuation">;</span> <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span> <span class="token property">height</span><span class="token punctuation">:</span> 500px<span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token comment">/*中间正文的div样式*/</span> <span class="token selector">.center</span><span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 59%<span class="token punctuation">;</span> <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span> <span class="token property">height</span><span class="token punctuation">:</span> 500px<span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token comment">/*右侧广告图片的div样式*/</span> <span class="token selector">.right</span><span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 20%<span class="token punctuation">;</span> <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span> <span class="token property">height</span><span class="token punctuation">:</span> 500px<span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token comment">/*底部超链接的div样式*/</span> <span class="token selector">.footer</span><span class="token punctuation">{</span> <span class="token comment">/*清除浮动效果*/</span> <span class="token property">clear</span><span class="token punctuation">:</span> both<span class="token punctuation">;</span> <span class="token comment">/*文本对齐方式*/</span> <span class="token property">text-align</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span> <span class="token comment">/*背景颜色*/</span> <span class="token property">background</span><span class="token punctuation">:</span> blue<span class="token punctuation">;</span> <span class="token punctuation">}</span> </span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>style</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span> <span class="token comment"><!--顶部登陆注册--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span>top<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token comment"><!--导航条--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span>navibar<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token comment"><!--左侧图片--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>left<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>left<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token comment"><!--中间正文--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>center<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>center<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token comment"><!--右侧广告图片--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>right<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token comment"><!--底部页脚超链接--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>footer<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>footer<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span> </code></pre> <h3>4.2.3 图片标签</h3> <table> <thead> <tr> <th>标签名</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td><strong>img</strong></td> <td>可以显示一张图片(本地或网络)</td> <td><strong>src属性</strong>,这是一个必需的属性,表示图片的地址。</td> </tr> </tbody> </table> <p>其他属性:</p> <table> <thead> <tr> <th>属性名</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td><strong>title</strong></td> <td>鼠标悬停(hover)时显示文本。</td> <td></td> </tr> <tr> <td><strong>alt</strong></td> <td>图形不显示时的替换文本。</td> <td></td> </tr> <tr> <td><strong>height</strong></td> <td>图像的高度。</td> <td></td> </tr> <tr> <td><strong>width</strong></td> <td>图像的宽度。</td> <td></td> </tr> </tbody> </table> <h3>4.2.4 超链接</h3> <table> <thead> <tr> <th>标签名</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td><strong>a</strong></td> <td>表示超链接。</td> <td><strong>href属性</strong>,表示超链接指向的URL地址。</td> </tr> </tbody> </table> <table> <thead> <tr> <th>属性名</th> <th>作用</th> </tr> </thead> <tbody> <tr> <td>target</td> <td>页面的打开方式(_self当前页 _blank新标签页)。</td> </tr> </tbody> </table> <p><strong>去掉下划线</strong></p> <p>根据某些样式的布局需求,去除下划线更为美观。</p> <pre><code class="prism language-css"><span class="token selector">a</span> <span class="token punctuation">{</span> <span class="token comment">/*去掉下划线*/</span> <span class="token property">text-decoration</span><span class="token punctuation">:</span>none<span class="token punctuation">;</span> // none 表示不显示 color black<span class="token punctuation">;</span>//设置超链接的字体颜色 <span class="token punctuation">}</span> </code></pre> <pre><code class="prism language-html">/*鼠标悬浮的样式控制*/ a:hover{ color red; } </code></pre> <h2>4.3 使用标签</h2> <ol> <li>使用div标签,设置布局,背景和浮动等。</li> <li>基本文本标签</li> <li>图片标签</li> <li>超链接标签</li> </ol> <h2>4.4 实现步骤</h2> <ol> <li>创建初始页面,拷贝图片等素材。</li> <li>整体布局。</li> <li>实现顶部条(图片)。</li> <li>实现导航条(图片)。</li> <li>实现左侧分享区域(图片)。</li> <li>实现中间正文区域(文本+图片)。</li> <li>实现右侧广告区域(图片)。</li> <li>实现底部页脚(链接)。</li> </ol> <h3>4.5.2 实现顶部条</h3> <p><strong>HTML代码</strong></p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>top_bar<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/j1.png<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <p><strong>样式代码</strong></p> <pre><code class="prism language-css"> <span class="token selector">img</span><span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 100%<span class="token punctuation">;</span> <span class="token punctuation">}</span> </code></pre> <p>效果如下:</p> <p><a href="http://img.e-com-net.com/image/info8/67df1ea0cd25405589489066f8ff31c2.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/67df1ea0cd25405589489066f8ff31c2.jpg" alt="day27 学习HTML-01天_第18张图片" width="650" height="197" style="border:1px solid black;"></a></p> <h3>4.5.3 实现导航条</h3> <p><strong>HTML代码</strong></p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>nav_bar<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/j2.png<span class="token punctuation">"</span></span> <span class="token attr-name">width</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>100%<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token comment"><!-- 加入分割线 --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>hr</span> <span class="token attr-name">size</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>1<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span> </code></pre> <p><strong>样式代码</strong></p> <pre><code class="prism language-css"> <span class="token selector">hr</span> <span class="token punctuation">{</span> <span class="token property">color</span><span class="token punctuation">:</span> lightgrey<span class="token punctuation">;</span> <span class="token property">size</span><span class="token punctuation">:</span> 1px<span class="token punctuation">;</span> <span class="token punctuation">}</span> </code></pre> <p>效果如下:</p> <p><a href="http://img.e-com-net.com/image/info8/0b9ea7a3b8dd419d998fde172a571ce7.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/0b9ea7a3b8dd419d998fde172a571ce7.jpg" alt="day27 学习HTML-01天_第19张图片" width="650" height="134" style="border:1px solid black;"></a></p> <p>###4.5.4 实现左部分享</p> <p><strong>HTML代码</strong></p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>left<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/j3.png<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <p>效果如下:</p> <p><a href="http://img.e-com-net.com/image/info8/d1aef3b625b94bb7a4e3132d0d5db710.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/d1aef3b625b94bb7a4e3132d0d5db710.jpg" alt="day27 学习HTML-01天_第20张图片" width="650" height="296" style="border:1px solid black;"></a></p> <h3>4.5.5 实现中部正文</h3> <p><strong>HTML代码</strong></p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>center<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h1</span><span class="token punctuation">></span></span>支付宝特权福利!芝麻分600以上用户惊喜,网友:幸福来得突然?<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h1</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>font</span> <span class="token attr-name">color</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gray<span class="token punctuation">"</span></span> <span class="token attr-name">size</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>2<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>em</span><span class="token punctuation">></span></span> 作者 2019-11-11 11:11:11<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>em</span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>font</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>br</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>hr</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>h3</span><span class="token punctuation">></span></span>支付宝特权福利!芝麻分600以上用户惊喜,网友:幸福来得突然?<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>h3</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span> 这些年,马云的风头正盛,但是上个月他毅然辞去了阿里巴巴的职务。而马云所做的很多事情也的确改变了这个世界,特别是在移动支付领域,更是走在了世界的前列。如今中国的移动支付已经成为老百姓的必备,支付宝对中国社会的变革都带来了深远的影响。不过马云依然没有满足,他认为移动互联网将会成为人类的基础设施,而且这里面的机会和各种挑战还非常多。 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span> 支付宝的诞生就是为了解决淘宝网的客户们的买卖问题,而随着支付宝的用户的不断增加,支付宝也推出了一系列的附加功能。比如生活缴费、转账汇款、还信用卡、 车主服务、公益理财等,往简单的说,支付宝既可以满足人们的日常生活,又可以利用芝麻信用进行资金周转服务。除了芝麻分能够进行周转以外,互联网信用体系 下的产品多多,我们对比以下几个产品看看区别: <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>ol</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>1<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>li</span><span class="token punctuation">></span></span> 蚂蚁借呗,芝麻分600并且受到邀请开通福利,这个就是支付宝贷款,直接秒杀了银行贷款和线下金融公司,是现在支付宝用户使用最多的。 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>li</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>li</span><span class="token punctuation">></span></span> 微粒贷:于2015年上线,主要面向QQ和微信征信极好的用户而推出,受到邀请才能申请开通,额度最高有30万,难度较大 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>li</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>li</span><span class="token punctuation">></span></span> 蚂蚁巴士:这个在微信 蚂蚁巴士 公众平台申请,对于信用分要求530分以上才可以,额度1-30万不等,目前非常火爆 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>li</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>ol</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/1.jpg<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span> 说起支付宝中的芝麻信用功能,相信更是受到了许多人的推崇,因为随着自己使用的不断增多,信用分会慢慢提高,而达到了一个阶段,就可以获得许多的福利。而当 我们的芝麻信用分可以达到600分以上的时候,会有令我们想象不到的惊喜,接下来就让我们一起来看看,具体都有哪些惊喜吧。 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>strong</span><span class="token punctuation">></span></span>一、芝麻分600以上福利之信用购。<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>strong</span><span class="token punctuation">></span></span> 网购相信大家都不陌生,但是很多时候,网购都有一个通病,就是没办法试用,导致很多人买了很多自己不喜欢的东西。但是只要你的支付宝芝麻分在650及以上,就能立马享有0元下单,收到货使用满意了再进行付款。还能享用美食的专属优惠,是不是很耐斯 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>strong</span><span class="token punctuation">></span></span>二、芝麻分600以上福利之信用免押。<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>strong</span><span class="token punctuation">></span></span>芝麻信用与木鸟短租联合推出信用住宿服务,芝麻分600及以上的用户可享受免押入住特权。木鸟短租拥有全国50万套房源,是国内领先的短租民宿预订平台。包括大家知道的飞猪信用住,大部分酒店可以免押金入住,离店再交钱。 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/2.jpg<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>strong</span><span class="token punctuation">></span></span> 三、芝麻分600以上福利之国际驾照。<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>strong</span><span class="token punctuation">></span></span>我们经常听说的可能只是中国驾照,但现在芝麻分已经应用到了国际领域,只要你的芝麻分够550就可以免费办理国际驾照,也有不少人非常佩服马云,一个简单的芝麻分居然有如此大的功能,也从侧面反应出来马云在国际上的地位,这个国际驾照是由新西兰、德国、澳大利亚联合认证,可以在全球200多个国家通行,相信大家一定都有一个自驾全球的梦想吧,而现在支付宝就给了你一把钥匙,剩下的就你自己搞定了!有没有想带着你的女神来一次浪漫之旅呢? <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span><span class="token punctuation">></span></span> 随着互联网对我们生活的改变越来越大,信用这一词也被大家推上风口浪尖,不论是生活出行,还是其他的互联网服务,与信用体系已经密不可分了,马云当初说道,找老婆需要拼芝麻分,如今似乎也要成为现实,那么你们的芝麻分有多少了呢? <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <p><strong>样式代码</strong></p> <pre><code class="prism language-css"> <span class="token selector">.center</span> <span class="token punctuation">{</span> <span class="token property">width</span><span class="token punctuation">:</span> 60%<span class="token punctuation">;</span> <span class="token comment">/*最后去除边框宽度恢复为60%*/</span> <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span> <span class="token punctuation">}</span> </code></pre> <h3>4.5.6 实现右侧广告</h3> <p><strong>HTML代码</strong></p> <pre><code class="prism language-html"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right_ad<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/ad1.jpg<span class="token punctuation">"</span></span> <span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right_ad<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/ad2.jpg<span class="token punctuation">"</span></span> <span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right_ad<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/ad3.jpg<span class="token punctuation">"</span></span> <span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right_ad<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/ad1.jpg<span class="token punctuation">"</span></span> <span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right_ad<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/ad2.jpg<span class="token punctuation">"</span></span> <span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>right_ad<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/ad3.jpg<span class="token punctuation">"</span></span> <span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <h3>4.5.7 实现底部页脚</h3> <p><strong>HTML代码</strong></p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>footer<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>关于黑马<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>帮助中心<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>开放平台<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>诚聘英才<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>联系我们<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>法律声明<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>隐私政策<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>知识产权<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>廉正举报<span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>a</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> </code></pre> <p><strong>样式代码</strong></p> <pre><code class="prism language-css"> <span class="token selector">.footer</span> <span class="token punctuation">{</span> <span class="token property">clear</span><span class="token punctuation">:</span> both<span class="token punctuation">;</span> <span class="token property">background-color</span><span class="token punctuation">:</span> cornflowerblue<span class="token punctuation">;</span> <span class="token property">text-align</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token selector">a</span><span class="token punctuation">{</span> <span class="token property">text-decoration</span><span class="token punctuation">:</span> none<span class="token punctuation">;</span> <span class="token property">color</span><span class="token punctuation">:</span> white<span class="token punctuation">;</span> <span class="token punctuation">}</span> </code></pre> <p><img src="http://img.e-com-net.com/image/info8/d2953fdd2c70493da3f2ec491dae473b.jpg" alt="在这里插入图片描述" width="650" height="16"></p> <h1>5 HTML案例-登录页面</h1> <h2>5.1 案例效果</h2> <p><a href="http://img.e-com-net.com/image/info8/e52d15d54a4d451c87f8de715dc1f25b.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/e52d15d54a4d451c87f8de715dc1f25b.jpg" alt="day27 学习HTML-01天_第21张图片" width="650" height="387" style="border:1px solid black;"></a></p> <h2>5.2 案例分析</h2> <h3>5.2.1 表单标签</h3> <table> <thead> <tr> <th>标签名</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td><strong>form</strong></td> <td>表示表单,是用来收集用户输入信息并向 Web 服务器提交的一个容器</td> <td></td> </tr> </tbody> </table> <p>举例:</p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token punctuation">></span></span> //表单元素 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>form</span><span class="token punctuation">></span></span> </code></pre> <p><strong>表单的属性</strong></p> <table> <thead> <tr> <th>属性名</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td><strong>action</strong></td> <td>处理此表单信息的Web服务器的URL地址</td> <td></td> </tr> <tr> <td><strong>method</strong></td> <td>提交此表单信息到Web服务器的方式</td> <td>可能的值有get和post,默认为get</td> </tr> <tr> <td><strong>autocomplete</strong></td> <td>自动补全,指示表单元素是否能够拥有一个默认值,配合input标签使用</td> <td>HTML5</td> </tr> </tbody> </table> <p>举例:</p> <pre><code class="prism language-html"><span class="token comment"><!-- 一个简单的表单,会发送一个 GET 请求 --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>/web/login<span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>get<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>form</span><span class="token punctuation">></span></span> <span class="token comment"><!-- 一个简单的表单,发送 POST 请求 --></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>/web/reg<span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>post<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>form</span><span class="token punctuation">></span></span> </code></pre> <p><strong>GET与POST说明:</strong></p> <p><code>post</code>:指的是 HTTP POST 方法;表单数据会包含在表单体内然后发送给服务器。</p> <p><code>get</code>:指的是 HTTP GET 方法;表单数据会附加在 <code>action</code> 属性的URI中,并以 ‘?’ 作为分隔符,然后这样得到的 URI 再发送给服务器。</p> <p>GET方式举例:</p> <p><a href="http://img.e-com-net.com/image/info8/1b2053e0517044f6ab2cafb8e2aa0d6c.png" target="_blank"><img src="http://img.e-com-net.com/image/info8/1b2053e0517044f6ab2cafb8e2aa0d6c.png" alt="在这里插入图片描述" width="623" height="38"></a></p> <p><strong>GET与POST对比:</strong></p> <table> <thead> <tr> <th></th> <th>地址栏可见</th> <th>数据安全</th> <th>数据大小</th> </tr> </thead> <tbody> <tr> <td>GET</td> <td>可见</td> <td>不安全</td> <td>有限制(取决于浏览器)</td> </tr> <tr> <td>POST</td> <td>不可见</td> <td>相对安全</td> <td>无限制</td> </tr> </tbody> </table> <h3>5.2.2 表单元素入门</h3> <p>表单元素指的是 input 元素、复选框、下拉框、提交按钮等等。</p> <table> <thead> <tr> <th>标签名</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td><strong>lable</strong></td> <td>表单元素的说明,配合表单元素使用</td> <td>for属性值为相关表单元素的id属性值</td> </tr> <tr> <td><strong>input</strong></td> <td>表单中输入控件,多种输入类型,用于接受来自用户数据</td> <td>type属性值决定输入类型</td> </tr> <tr> <td><strong>button</strong></td> <td>页面中可点击的按钮,可以配合表单进行提交</td> <td>type属性值决定按钮类型</td> </tr> </tbody> </table> <h4>1)简单的文本输入框</h4> <ul> <li> <p>label标签:表单的说明。</p> <ul> <li>for属性值:匹配input标签的id属性值</li> </ul> </li> <li> <p>input标签:输入控件。</p> <ul> <li>type属性:表示输入类型,text值为普通文本框</li> <li>id属性:表示标签唯一标识</li> <li>name属性:表示标签名称</li> <li>value属性:表示标签数据值</li> <li>placehoider:表示默认提示信息</li> <li>required:表示是否必须有数据</li> </ul> </li> </ul> <p><strong>代码实现:</strong></p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>post<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Username:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>text<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>tom<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>form</span><span class="token punctuation">></span></span> </code></pre> <p><strong>效果如图:</strong></p> <p><a href="http://img.e-com-net.com/image/info8/96600dd66f2542638fdc005b1b984364.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/96600dd66f2542638fdc005b1b984364.jpg" alt="在这里插入图片描述" width="650" height="99"></a></p> <h4>2)提交用户名的表单</h4> <ul> <li>button标签:表示按钮。 <ul> <li>type属性:表示按钮类型,submit值为提交按钮。</li> <li>reset值为重置按钮。</li> <li>button为普通按钮。</li> </ul> </li> </ul> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>post<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Username:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>text<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>tom<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>button</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>submit<span class="token punctuation">"</span></span> <span class="token punctuation">></span></span>login<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>button</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>form</span><span class="token punctuation">></span></span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/e34471bd66154adab00d67a05cc2758f.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/e34471bd66154adab00d67a05cc2758f.jpg" alt="day27 学习HTML-01天_第22张图片" width="650" height="165" style="border:1px solid black;"></a></p> <h3>5.2.3 关于属性值</h3> <h4>1)<strong>NAME和VALUE属性</strong></h4> <table> <thead> <tr> <th>属性名</th> <th>作用</th> </tr> </thead> <tbody> <tr> <td><strong>name</strong></td> <td><code><input></code>的名字,在提交整个表单数据时,可以用于区分属于不同<code><input></code>的值</td> </tr> <tr> <td><strong>value</strong></td> <td>这个<code><input></code>元素当前的值,允许用户通过页面输入</td> </tr> </tbody> </table> <p>使用方式:</p> <p>以name属性值作为键,value属性值作为值,构成键值对提交到服务器,多个键值对浏览器使用<code>&</code>进行分隔。</p> <p>举例:<br> <a href="http://img.e-com-net.com/image/info8/c1c15fca243e4c58bf3d17671b8b4195.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/c1c15fca243e4c58bf3d17671b8b4195.jpg" alt="day27 学习HTML-01天_第23张图片" width="650" height="284" style="border:1px solid black;"></a></p> <h4>2)<strong>TYPE属性</strong></h4> <ul> <li> <p><strong>input标签的type属性</strong></p> <blockquote> <p>【建议】</p> <p>这是今天的重点讲解内容,type的值决定输入的类型</p> </blockquote> <ul> <li><strong>基本的文本属性</strong></li> </ul> <table> <thead> <tr> <th>属性值</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td>text</td> <td>单行文本字段</td> <td></td> </tr> <tr> <td>password</td> <td>单行文本字段,值被遮盖</td> <td></td> </tr> <tr> <td>email</td> <td>用于编辑 e-mail 的字段,可以对e-mail地址进行简单校验</td> <td>HTML5</td> </tr> </tbody> </table><p>举例:</p> <pre><code class="prism language-html"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>get<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Username:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>text<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>br</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>password<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Password:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>password<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>password<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>password<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>br</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>email<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Email:<span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>email<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>email<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>email<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>br</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>button</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>submit<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> login<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>button</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>form</span><span class="token punctuation">></span></span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/e33a744763cb42c79fd4f399d8f245da.png" target="_blank"><img src="http://img.e-com-net.com/image/info8/e33a744763cb42c79fd4f399d8f245da.png" alt="day27 学习HTML-01天_第24张图片" width="525" height="193" style="border:1px solid black;"></a></p> <ul> <li> <p><strong>单选多选属性</strong></p> <table> <thead> <tr> <th>属性值</th> <th>作用</th> </tr> </thead> <tbody> <tr> <td>radio</td> <td>单选按钮。 1. 在同一个”单选按钮组“中,所有单选按钮的 name 属性使用同一个值;一个单选按钮组中是,同一时间只有一个单选按钮可以被选择。 2. 必须使用 value 属性定义此控件被提交时的值。 3. 使用checked 必须指示控件是否缺省被选择。</td> </tr> <tr> <td>checkbox</td> <td>复选框。 1. 必须使用 value 属性定义此控件被提交时的值。 2. 使用 checked 属性指示控件是否被选择。 3. 选中多个值时,所有的值会构成一个数组而提交到Web服务器</td> </tr> </tbody> </table><p>举例:</p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>get<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gender<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>性别:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gender<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gender<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>boy<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>男 <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gender<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>girl<span class="token punctuation">"</span></span> <span class="token attr-name">checked</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checked<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>女 <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>hr</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>爱好: <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checkbox<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>sport<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span> 体育 <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checkbox<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>tech<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span> 科技 <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checkbox<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>fun<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span> 娱乐 <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checkbox<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>video<span class="token punctuation">"</span></span> <span class="token attr-name">checked</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checked<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span> 短视频 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>form</span><span class="token punctuation">></span></span> </code></pre> </li> </ul> </li> </ul> <p><a href="http://img.e-com-net.com/image/info8/d6a9e5ecc2814ff097de0cc6e65bde2b.png" target="_blank"><img src="http://img.e-com-net.com/image/info8/d6a9e5ecc2814ff097de0cc6e65bde2b.png" alt="day27 学习HTML-01天_第25张图片" width="456" height="112" style="border:1px solid black;"></a></p> <ul> <li> <p><strong>按钮属性</strong></p> <table> <thead> <tr> <th>属性值</th> <th>作用</th> </tr> </thead> <tbody> <tr> <td>button</td> <td>无行为按钮,用于结合JavaScript实现自定义动态效果</td> </tr> <tr> <td>submit</td> <td>提交按钮,用于提交表单数据。</td> </tr> <tr> <td>reset</td> <td>重置按钮,用于将表单中内容恢复为默认值。</td> </tr> <tr> <td>image</td> <td>图片提交按钮。必须使用 src 属性定义图片的来源及使用 alt 定义替代文本。还可以使用 height 和 width 属性以像素为单位定义图片的大小。</td> </tr> </tbody> </table></li> <li> <p><strong>HTML5新增的type值</strong></p> <table> <thead> <tr> <th>属性值</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td>date</td> <td>HTML5 用于输入日期的控件</td> <td>年,月,日,不包括时间</td> </tr> <tr> <td>time</td> <td>HTML5 用于输入时间的控件</td> <td>不含时区</td> </tr> <tr> <td>datetime-local</td> <td>HTML5 用于输入日期时间的控件</td> <td>不包含时区</td> </tr> <tr> <td>number</td> <td>HTML5 用于输入浮点数的控件</td> <td></td> </tr> <tr> <td>range</td> <td>HTML5 用于输入不精确值控件</td> <td>max-规定最大值<br>min-规定最小值 <br>step-规定步进值 <br>value-规定默认值</td> </tr> <tr> <td>search</td> <td>HTML5 用于输入搜索字符串的单行文本字段</td> <td>可以点击<code>x</code>清除内容</td> </tr> <tr> <td>tel</td> <td>HTML5 用于输入电话号码的控件</td> <td></td> </tr> <tr> <td>url</td> <td>HTML5 用于编辑URL的字段</td> <td>可以校验URL地址格式</td> </tr> </tbody> </table></li> </ul> <table> <thead> <tr> <th>属性值</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td>file</td> <td>此控件可以让用户选择文件,用于文件上传。</td> <td>使用 accept 属性可以定义控件可以选择的文件类型。</td> </tr> <tr> <td>hidden</td> <td>此控件用户在页面上不可见,但它的值会被提交到服务器,用于传递隐藏值</td> <td></td> </tr> </tbody> </table> <ul> <li> <p><strong>button标签的type属性</strong></p> <table> <thead> <tr> <th>属性值</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td>submit</td> <td>此按钮将表单数据提交给服务器。如果未指定属性,或者属性动态更改为空值或无效值,则此值为默认值。</td> <td>同 <code><input type="submit"/></code></td> </tr> <tr> <td>reset</td> <td>此按钮重置所有组件为初始值。</td> <td>同<code><input type="reset"</code>/></td> </tr> <tr> <td>button</td> <td>此按钮没有默认行为。它可以有与元素事件相关的客户端脚本,当事件出现时可触发。</td> <td>同<code><input type="button"/></code></td> </tr> </tbody> </table></li> </ul> <h4>3)HTML5新增属性</h4> <table> <thead> <tr> <th>属性名</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td><strong>placeholder</strong></td> <td>提示用户输入框的作用。用于提示的占位符文本不能包含回车或换行。</td> <td>仅适用于当<strong>type</strong> 属性为text, search, tel, url or email时; 否则会被忽略。</td> </tr> <tr> <td><strong>required</strong></td> <td>这个属性指定用户在提交表单之前必须为该元素填充值</td> <td>1. 布尔属性,可省略属性值表示true<br>2. 当type属性是hidden,image或者button类型时不可使用</td> </tr> <tr> <td><strong>autocomplete</strong></td> <td>自动补全,规定表单或输入字段是否应该自动完成。当自动完成开启,浏览器会基于用户之前的输入值自动填写值。</td> <td>1. 开启为on,关闭为off<br>2. 可以设置指定的字段为off,关闭自动补全</td> </tr> </tbody> </table> <h3>5.2.4 更多表单元素</h3> <table> <thead> <tr> <th>标签名</th> <th>作用</th> <th>备注</th> </tr> </thead> <tbody> <tr> <td><strong>select</strong></td> <td>表单的控件,下拉选项菜单</td> <td>与option配合实用</td> </tr> <tr> <td><strong>optgroup</strong></td> <td>option的分组标签</td> <td>与option配合实用</td> </tr> <tr> <td><strong>option</strong></td> <td>select的子标签,表示一个选项</td> <td></td> </tr> <tr> <td><strong>textarea</strong></td> <td>表示多行纯文本编辑控件</td> <td>rows表示行高度, cols表示列宽度</td> </tr> <tr> <td><strong>fieldset</strong></td> <td>用来对表单中的控制元素进行分组(也包括 label 元素)</td> <td></td> </tr> <tr> <td><strong>legend</strong></td> <td>用于表示它的<strong>fieldset</strong>内容的标题。</td> <td><strong>fieldset</strong> 的子元素</td> </tr> </tbody> </table> <p><strong>select举例:</strong></p> <pre><code class="prism language-html"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>pet-select<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Choose a pet:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>select</span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>pets<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>pet-select<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span><span class="token punctuation">></span></span>--Please choose an option--<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>dog<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Dog<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>cat<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Cat<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hamster<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Hamster<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>parrot<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Parrot<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>spider<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Spider<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>goldfish<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Goldfish<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>select</span><span class="token punctuation">></span></span> <span class="token comment"><!-- select的name属性值与option的value属性值,构成键值对,提交到Web服务器 --></span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/ddecb3d83c54477bab21138a22d6706f.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/ddecb3d83c54477bab21138a22d6706f.jpg" alt="day27 学习HTML-01天_第26张图片" width="650" height="163" style="border:1px solid black;"></a></p> <p><strong>textarea举例:</strong></p> <pre><code class="prism language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>textarea</span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>textarea<span class="token punctuation">"</span></span> <span class="token attr-name">rows</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>10<span class="token punctuation">"</span></span> <span class="token attr-name">cols</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>50<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>Write something here<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>textarea</span><span class="token punctuation">></span></span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/43781f21e8d745dc80fb55269f2653d3.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/43781f21e8d745dc80fb55269f2653d3.jpg" alt="在这里插入图片描述" width="650" height="100"></a></p> <p><strong>fieldset举例:</strong></p> <pre><code class="prism language-html"> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>post<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>fieldset</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>legend</span><span class="token punctuation">></span></span>是否同意<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>legend</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio_y<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>agree<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>y<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio_y<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>同意<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio_n<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>agree<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>n<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio_n<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>不同意<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>fieldset</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>form</span><span class="token punctuation">></span></span> </code></pre> <p><a href="http://img.e-com-net.com/image/info8/69d43a3504b34f789ca7db79a8e18070.jpg" target="_blank"><img src="http://img.e-com-net.com/image/info8/69d43a3504b34f789ca7db79a8e18070.jpg" alt="day27 学习HTML-01天_第27张图片" width="650" height="104" style="border:1px solid black;"></a></p> <h2>5.3 使用标签</h2> <ol> <li>简单布局,使用div标签</li> <li>基本文本标签</li> <li>表单标签</li> <li>图片标签</li> </ol> <h2>5.4 实现步骤</h2> <ol> <li>设置背景图。</li> <li>基本上下两部分布局。</li> <li>实现上部(图片)</li> <li>实现下部(表单)</li> <li>实现页面跳转,从案例2跳转到案例3。</li> </ol> <pre><code class="prism language-html"><span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>en<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>UTF-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>注册页面<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>style</span><span class="token punctuation">></span></span><span class="token style"><span class="token language-css"> <span class="token comment">/*为body添加背景图片*/</span> <span class="token selector">body</span><span class="token punctuation">{</span> <span class="token property">background</span><span class="token punctuation">:</span> <span class="token url"><span class="token function">url</span><span class="token punctuation">(</span><span class="token string url">"../img/bg.png"</span><span class="token punctuation">)</span></span><span class="token punctuation">;</span> <span class="token punctuation">}</span> <span class="token comment">/*中间样式:背景色-白色、宽度400像素、文本水平居中、外边距自动*/</span> <span class="token selector">.center</span><span class="token punctuation">{</span> <span class="token property">background-color</span><span class="token punctuation">:</span> white<span class="token punctuation">;</span> <span class="token property">width</span><span class="token punctuation">:</span> 400px<span class="token punctuation">;</span> <span class="token property">text-align</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span> <span class="token property">margin</span><span class="token punctuation">:</span> auto<span class="token punctuation">;</span> <span class="token punctuation">}</span> </span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>style</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span> <span class="token comment"><!--顶部-公司图标--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>img</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>../img/logo.png<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token comment"><!--中间-注册信息--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>center<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span>注册详情<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>hr</span><span class="token punctuation">/></span></span> <span class="token comment"><!--表单标签--></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>form</span> <span class="token attr-name">action</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>#<span class="token punctuation">"</span></span> <span class="token attr-name">method</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>get<span class="token punctuation">"</span></span> <span class="token attr-name">autocomplete</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>off<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>姓名:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>text<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>username<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span> 在此输入姓名<span class="token punctuation">"</span></span> <span class="token attr-name">required</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>password<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>密码:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>password<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>password<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>password<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span> 在此输入密码<span class="token punctuation">"</span></span> <span class="token attr-name">required</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>email<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>邮箱:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>email<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>email<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>email<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span> 在此输入邮箱<span class="token punctuation">"</span></span> <span class="token attr-name">required</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>tel<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>手机:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>tel<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>tel<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>tel<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span> <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span> 在此输入手机<span class="token punctuation">"</span></span> <span class="token attr-name">required</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>hr</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gender<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>性别:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gender<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gender<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>man<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>男 <span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>radio<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>gender<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>woman<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>女 <span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span><span class="token entity named-entity"> </span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>爱好:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checkbox<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>music<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>音乐 <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checkbox<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>movie<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>电影 <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>checkbox<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>hobby<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>game<span class="token punctuation">"</span></span><span class="token punctuation">/></span></span>游戏 <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>birthday<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>出生日期:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>date<span class="token punctuation">"</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>birthday<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>birthday<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token punctuation">"</span></span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>label</span> <span class="token attr-name">for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>city<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>所在城市:<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>label</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>select</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>city<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>city<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>请选择您所在城市<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>optgroup</span> <span class="token attr-name">label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>直辖市<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>北京<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>上海<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>广州<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>深圳<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>optgroup</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>optgroup</span> <span class="token attr-name">label</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>省会市<span class="token punctuation">"</span></span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>西安<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>杭州<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>郑州<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>option</span><span class="token punctuation">></span></span>武汉<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>option</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>optgroup</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>select</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>hr</span><span class="token punctuation">/></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token 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