bootstarp入门二(基本控件的使用)

bootstrap为我们定义了简洁易用的样式,我们只需要很少的样式指定,就可以完成简约优雅的页面展示。
本篇主要介绍以下几个基本控件的而已。
1. table
2. form 
3. button


1. 表格(table)依旧使用<table><thead><tbody><tr><th><td>来表现表格。有如下的类来控制table的属性, table样式默认会占满父容器
Class 作用
.table 占满父容器,只有行间分隔线
.table-bordered 为表格加边框
.table-striped 斑马线式的背景色
.table-condensed table横向紧缩,padding值会减半
.table-hover 设置悬浮时的反馈效果


    <div class="container">
        <div class="row">
            <div class="col-md-8 col-md-offset-2">
                <table class="table table-bordered table-striped table-hover">
            <tr>
                <th>标题一</th>
                <th>标题二</th>
                <th>标题三</th>
            </tr>
            <tr>
                <td>1</td>
                <td>2</td>
                <td>3</td>
            </tr>
            <tr>
                <td>4</td>
                <td>5</td>
                <td>6</td>
            </tr>
        </table>
            </div>
        </div>
    </div>

将任何.table包裹在.table-responsive中即可创建响应式表格,其会在小屏幕设备上(小于768px)水平滚动。当屏幕大于768px宽度时,水平滚动条消失。

2. 表单form, 有如个几种样式定义
Class 作用
.form-vertical(default) 标签从上到下各占一行,左对齐
.form-horizontal 水平排列,将label和控件组水平并排布局
.form-inline 简约的内联表单

lable与控件要用 form-group类型的div包起来,默认表单如下
    <div class="container">
        <form>
            <div class="form-group">
                <label for="exampleInputEmail1">Email address</label>
                <input type="email" class="form-control" id="exampleInputEmail1"
                    placeholder="Enter email">
            </div>
            <div class="form-group">
                <label for="exampleInputPassword1">Password</label>
                <input type="password" class="form-control"
                    id="exampleInputPassword1" placeholder="Password">
            </div>
            <div class="checkbox">
                <label> <input type="checkbox"> Check me out
                </label>
            </div>
            <button type="submit" class="btn btn-default">Submit</button>
        </form>
    </div>




内联表单, 为label指定sr-only类别,可隐藏掉标签,但必须 不可省略lable.
    <div class="container">
        <form class="form-inline">
            <div class="form-group">
                <label for="exampleInputEmail1" class="sr-only">Email address</label>
                <input type="email" class="form-control" id="exampleInputEmail1"
                    placeholder="Enter email">
            </div>
            <div class="form-group">
                <label for="exampleInputPassword1">Password</label>
                <input type="password" class="form-control"
                    id="exampleInputPassword1" placeholder="Password">
            </div>
            <div class="checkbox">
                <label> <input type="checkbox"> Check me out
                </label>
            </div>
            <button type="submit" class="btn btn-default">Submit</button>
        </form>
    </div>



水平类型的表单, 要为lable与标签组指定长度, 采用栅格系统的布局方式。 label右对齐,标签组左对齐。
    <div class="container">
        <form class="form-horizontal">
            <div class="form-group">
                    <label for="exampleInputEmail1" class="col-md-2 control-label">Email
                        address</label>
                <div class="col-md-8">
                    <input type="email" class="form-control" id="exampleInputEmail1"
                        placeholder="Enter email">
                </div>
            </div>
            <div class="form-group" >
                    <label for="exampleInputPassword1" class="col-md-2 control-label">Password</label>
                <div class="col-md-8">
                    <input type="password" class="form-control"
                        id="exampleInputPassword1" placeholder="Password">
                </div>
            </div>
            <div class="checkbox col-md-offset-2">
                <label> <input type="checkbox"> Check me out
                </label>
            </div>
            <button type="submit" class="btn btn-default col-md-offset-2">Submit</button>
        </form>
    </div>

form表单验证,bootstrap3支持表单的自定义验证。 加入req    uired表示表单必填,node.setCustomValidity可以设置表单的自定义验证
    <div class="container">
        <form class="form-horizontal">
            <div class="form-group">
                <label for="exampleInputEmail1" class="col-md-2 control-label">Email
                    address</label>
                <div class="col-md-8">
                    <input type="email" class="form-control" id="exampleInputEmail1"
                        placeholder="Enter email" required>
                </div>
            </div>
            <div class="form-group">
                <label for="password1" class="col-md-2 control-label">Password</label>
                <div class="col-md-8">
                    <input type="password" class="form-control"
                        id="password1" placeholder="Password" required onchange="checkPassword()">
                </div>
            </div>
<div class="form-group">
                <label for="password2" class="col-md-2 control-label" onchange="checkPassword()"> Password2</label>
                <div class="col-md-8">
                    <input type="password" class="form-control"
                        id="password2" placeholder="Password2" required>
                </div>
            </div>
            <div class="checkbox col-md-offset-2">
                <label> <input type="checkbox"> Check me out
                </label>
            </div>
            <button type="submit" class="btn btn-default col-md-offset-2">Submit</button>
        </form>
    </div>
    
    <script>
        function checkPassword() {
            var pwd1 = $("#password1").val();
            var pwd2 = $("#password2").val();
            if (pwd1 != pwd2) {
                document.getElementById("password1").setCustomValidity("两次输入的密码不一致");
            } else {
                document.getElementById("password1").setCustomValidity("");
            }
            
        }
    </script>





3. button的样式,
 
bootstarp入门二(基本控件的使用)_第1张图片

使用.btn-lg、.btn-sm、.btn-xs可以获得不同尺寸的按钮, 给按钮添加.btn-block可以使其充满父节点100%的宽度,而且按钮也变为了块级(block)元素, 
<a>、<button>或<input>元素添加按钮class。
    <div class="container">
        <button type="button" class="btn btn-default btn-block">Default</button>
        <button type="button" class="btn btn-primary btn-block">Primary</button>
        <button type="button" class="btn btn-success">Success</button>
        <button type="button" class="btn btn-info">Info</button>
        <button type="button" class="btn btn-warning">Warning</button>
        <button type="button" class="btn btn-danger">Danger</button>
        <button type="button" class="btn btn-link">链接</button>
        <a class="btn btn-default" href="#" role="button">Link</a>
        <button class="btn btn-default" type="submit">Button</button>
        <input class="btn btn-default" type="button" value="Input">
        <input class="btn btn-default" type="submit" value="Submit">
    </div>






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