移动端web开发-flex布局-携程网小案例
案例源代码：源文件
案例最终效果：
本人做这个案例前学习了以下知识
移动端flex布局
一、HTNML文件
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maxomun-scale=1.0, minimum-scale=1.0">
<link rel="stylesheet" href="css/normalize.css ">
<link rel="stylesheet" href="css/index.css">
<title>携程在手，说走就走title>
head>
<body>
<div class="search-index">
<div class="search">目的地/酒店/景点/航班号div>
<a href="#" class="user">我 的a>
div>
<div class="focus">
<img src="upload/focus.jpg" alt="">
div>
<div class="local-nav">
<ul>
<li>
<a href="#" title="景点玩乐">
<span class="local-nav-icon1">span>
<span>景点|玩乐span>
a>
li>
<li>
<a href="#" title="景点玩乐">
<span class="local-nav-icon2">span>
<span>景点|玩乐span>
a>
li>
<li>
<a href="#" title="景点玩乐">
<span class="local-nav-icon3">span>
<span>景点|玩乐span>
a>
li>
<li>
<a href="#" title="景点玩乐">
<span class="local-nav-icon4">span>
<span>景点|玩乐span>
a>
li>
<li>
<a href="#" title="景点玩乐">
<span class="local-nav-icon5">span>
<span>景点|玩乐span>
a>
li>
ul>
div>
<nav>
<div class="common">
<div class="nav-item">
<a href="">海外酒店a>
div>
<div class="nav-item">
<a href="">海外酒店a>
<a href="">特价酒店a>
div>
<div class="nav-item">
<a href="">海外酒店a>
<a href="">特价酒店a>
div>
div>
<div class="common">
<div class="nav-item">
<a href="">海外酒店a>
div>
<div class="nav-item">
<a href="">海外酒店a>
<a href="">特价酒店a>
div>
<div class="nav-item">
<a href="">海外酒店a>
<a href="">特价酒店a>
div>
div>
<div class="common">
<div class="nav-item">
<a href="">海外酒店a>
div>
<div class="nav-item">
<a href="">海外酒店a>
<a href="">特价酒店a>
div>
<div class="nav-item">
<a href="">海外酒店a>
<a href="">特价酒店a>
div>
div>
nav>
<ul class="subnav-entry">
<li>
<a href="#">
<span class="subnav-entry-icon">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon2">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon3">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon4">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon5">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon6">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon7">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon8">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon9">span>
<span>电话卡span>
a>
li>
<li>
<a href="#">
<span class="subnav-entry-icon10">span>
<span>电话卡span>
a>
li>
ul>
<div class="sales-box">
<div class="sales-hd">
<h2>热门活动h2>
<a href="#" class="more">获取更多福利a>
div>
<div class="box-bd">
<div class="row">
<a href="#">
<img src="upload/pic1.jpg" alt="">
a>
<a href="#">
<img src="upload/pic2.jpg" alt="">
a>
div>
<div class="row">
<a href="#">
<img src="upload/pic3.jpg" alt="">
a>
<a href="#">
<img src="upload/pic4.jpg" alt="">
a>
div>
<div class="row">
<a href="#">
<img src="upload/pic5.jpg" alt="">
a>
<a href="#">
<img src="upload/pic6.jpg" alt="">
a>
div>
div>
div>
body>
html>
二、index.css文件
body {
max-width: 540px;
min-width: 320px;
margin: 0 auto;
font: normal 14px/1.5 Tahoma, "Lucida Grande", Verdana, "Microsoft Yahei", STXihei, hei;
color: #000;
background: #f2f2f2;
overflow-x: hidden;
-webkit-tap-highlight-color: transparent;
}
a {
text-decoration: none;
color: #222;
font-size: 12px;
}
div {
box-sizing: border-box;
}
.search-index {
display: flex;
position: fixed;
top: 0;
left: 50%;
-webkit-transform: translateX(-50%);
transform: translateX(-50%);
width: 100%;
height: 44px;
max-width: 540px;
min-width: 320px;
background-color: #f6f6f6;
border-top: 1px solid #ccc;
border-bottom: 1px solid #ccc;
}
.search {
position: relative;
height: 26px;
line-height: 24px;
border: 1px solid #ccc;
flex: 1;
margin: 7px 10px;
padding-left: 25px;
border-radius: 5px;
font-size: 12px;
color: #666;
box-shadow: 0 2px 4px rgba(0, 0, 0, .2);
}
.search::before {
content: "";
position: absolute;
top: 0px;
left: 5px;
width: 15px;
height: 15px;
background: url(../img/sprite.png) no-repeat -59px -279px;
background-size: 104px auto;
margin: 5px;
}
.user {
width: 44px;
height: 44px;
font-size: 12px;
text-align: center;
color: #2eaae0;
}
.user::before {
content: "";
display: block;
width: 23px;
height: 23px;
background: url(../img/sprite.png) no-repeat -59px -194px;
background-size: 104px auto;
margin: 3px auto 0;
}
.focus img {
width: 100%;
margin-top: 54px;
}
ul {
display: flex;
list-style: none;
margin: 0;
padding: 0;
}
.local-nav {
height: 64px;
background-color: #fff;
border-radius: 10px;
}
.local-nav li {
flex: 1;
}
.local-nav a {
display: flex;
flex-direction: column;
align-items: center;
}
.local-nav li [class^="local-nav-icon"] {
width: 32px;
height: 32px;
margin-top: 8px;
background: url(../img/localnav_bg.png) no-repeat 0 0;
background-size: 32px auto;
}
.local-nav li .local-nav-icon2 {
background-position: 0 -32px;
}
.local-nav li .local-nav-icon3 {
background-position: 0 -64px;
}
.local-nav li .local-nav-icon4 {
background-position: 0 -96px;
}
.local-nav li .local-nav-icon5 {
background-position: 0 -128px;
}
nav {
overflow: hidden;
border-radius: 8px;
margin: 0 4px 3px;
}
.common {
display: flex;
height: 88px;
}
.common:nth-child(1) {
background: -webkit-linear-gradient(left, #fa5a55, #fa994d);
}
.common:nth-child(2) {
background: -webkit-linear-gradient(left, #4b90ed, #53bcde);
}
.common:nth-child(3) {
background: -webkit-linear-gradient(left, #34c2a9, #6cd559);
}
.common:nth-child(2) {
margin: 3px 0;
}
.nav-item {
display: flex;
flex: 1;
flex-direction: column;
text-align: center;
line-height: 44px;
}
.nav-item a {
flex: 1;
color: #fff;
font-size: 12px;
text-shadow: 1px 1px rgba(0, 0, 0, .2);
}
.nav-item a:nth-child(1) {
border-bottom: 1px solid #fff;
}
.nav-item:nth-child(1) a {
border: 0;
background: url(../img/hotel.png) no-repeat bottom center;
background-size: 121px auto;
}
.nav-item:nth-child(-n+2) {
border-right: 1px solid #fff;
}
.subnav-entry {
display: flex;
border-radius: 8px;
background-color: #fff;
margin: 0 4px;
flex-wrap: wrap;
padding: 5px 0;
}
.subnav-entry li {
flex: 20%;
}
.subnav-entry a {
display: flex;
flex-direction: column;
align-items: center;
}
.subnav-entry li [class^="subnav-entry-icon"] {
width: 28px;
height: 28px;
margin-top: 4px;
background: url(../img/subnav-bg.png) no-repeat 0 0;
background-size: 28px auto;
}
.subnav-entry li .subnav-entry-icon2 {
background-position: 0 -28px;
}
.subnav-entry li .subnav-entry-icon3 {
background-position: 0 -62px;
}
.subnav-entry li .subnav-entry-icon4 {
background-position: 0 -98px;
}
.subnav-entry li .subnav-entry-icon5 {
background-position: 0 -130px;
}
.subnav-entry li .subnav-entry-icon6 {
background-position: 0 -162px;
}
.subnav-entry li .subnav-entry-icon7 {
background-position: 0 -196px;
}
.subnav-entry li .subnav-entry-icon8 {
background-position: 0 -225px;
}
.subnav-entry li .subnav-entry-icon9 {
background-position: 0 -253px;
}
.subnav-entry li .subnav-entry-icon10 {
background-position: 0 -283px;
}
.sales-box {
border-top: 1px solid #ccc;
background-color: #fff;
margin: 4px;
}
.sales-hd {
position: relative;
height: 44px;
border-bottom: 1px solid #ccc;
}
.sales-hd h2 {
position: relative;
text-indent: -9999px;
overflow: hidden;
}
.sales-hd h2::after {
content: "";
position: absolute;
top: 8px;
left: 20px;
width: 79px;
height: 15px;
background: url(../img/hot.png) no-repeat 0 -20px;
background-size: 79px auto;
}
.more {
position: absolute;
top: 5px;
right: 5px;
background: -webkit-linear-gradient(left, #ff506c, #ff6bcb);
border-radius: 8px;
padding: 3px 20px 3px 10px;
color: #fff;
}
.more::after {
content: "";
position: absolute;
top: 9px;
right: 9px;
width: 7px;
height: 7px;
border-top: 1px solid #fff;
border-right: 1px solid #fff;
transform: rotate(45deg);
}
.row {
display: flex;
}
.row a {
flex: 1;
border-bottom: 1px solid #ccc;
}
.row a:nth-child(1) {
border-right: 1px solid #ccc;
}
.row a img {
width: 100%;
}
三、normalize.css
/*! normalize.css v5.0.0 | MIT License | github.com/necolas/normalize.css */
/**
* 1. Change the default font family in all browsers (opinionated).
* 2. Correct the line height in all browsers.
* 3. Prevent adjustments of font size after orientation changes in
* IE on Windows Phone and in iOS.
*/
/* Document
========================================================================== */
html {
font-family: sans-serif; /* 1 */
line-height: 1.15; /* 2 */
-ms-text-size-adjust: 100%; /* 3 */
-webkit-text-size-adjust: 100%; /* 3 */
}
/* Sections
========================================================================== */
/**
* Remove the margin in all browsers (opinionated).
*/
body {
margin: 0;
}
/**
* Add the correct display in IE 9-.
*/
article,
aside,
footer,
header,
nav,
section {
display: block;
}
/**
* Correct the font size and margin on `h1` elements within `section` and
* `article` contexts in Chrome, Firefox, and Safari.
*/
h1 {
font-size: 2em;
margin: 0.67em 0;
}
/* Grouping content
========================================================================== */
/**
* Add the correct display in IE 9-.
* 1. Add the correct display in IE.
*/
figcaption,
figure,
main {
/* 1 */
display: block;
}
/**
* Add the correct margin in IE 8.
*/
figure {
margin: 1em 40px;
}
/**
* 1. Add the correct box sizing in Firefox.
* 2. Show the overflow in Edge and IE.
*/
hr {
box-sizing: content-box; /* 1 */
height: 0; /* 1 */
overflow: visible; /* 2 */
}
/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/
pre {
font-family: monospace, monospace; /* 1 */
font-size: 1em; /* 2 */
}
/* Text-level semantics
========================================================================== */
/**
* 1. Remove the gray background on active links in IE 10.
* 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
*/
a {
background-color: transparent; /* 1 */
-webkit-text-decoration-skip: objects; /* 2 */
}
/**
* Remove the outline on focused links when they are also active or hovered
* in all browsers (opinionated).
*/
a:active,
a:hover {
outline-width: 0;
}
/**
* 1. Remove the bottom border in Firefox 39-.
* 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
*/
abbr[title] {
border-bottom: none; /* 1 */
text-decoration: underline; /* 2 */
text-decoration: underline dotted; /* 2 */
}
/**
* Prevent the duplicate application of `bolder` by the next rule in Safari 6.
*/
b,
strong {
font-weight: inherit;
}
/**
* Add the correct font weight in Chrome, Edge, and Safari.
*/
b,
strong {
font-weight: bolder;
}
/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/
code,
kbd,
samp {
font-family: monospace, monospace; /* 1 */
font-size: 1em; /* 2 */
}
/**
* Add the correct font style in Android 4.3-.
*/
dfn {
font-style: italic;
}
/**
* Add the correct background and color in IE 9-.
*/
mark {
background-color: #ff0;
color: #000;
}
/**
* Add the correct font size in all browsers.
*/
small {
font-size: 80%;
}
/**
* Prevent `sub` and `sup` elements from affecting the line height in
* all browsers.
*/
sub,
sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sub {
bottom: -0.25em;
}
sup {
top: -0.5em;
}
/* Embedded content
========================================================================== */
/**
* Add the correct display in IE 9-.
*/
audio,
video {
display: inline-block;
}
/**
* Add the correct display in iOS 4-7.
*/
audio:not([controls]) {
display: none;
height: 0;
}
/**
* Remove the border on images inside links in IE 10-.
*/
img {
border-style: none;
}
/**
* Hide the overflow in IE.
*/
svg:not(:root) {
overflow: hidden;
}
/* Forms
========================================================================== */
/**
* 1. Change the font styles in all browsers (opinionated).
* 2. Remove the margin in Firefox and Safari.
*/
button,
input,
optgroup,
select,
textarea {
font-family: sans-serif; /* 1 */
font-size: 100%; /* 1 */
line-height: 1.15; /* 1 */
margin: 0; /* 2 */
}
/**
* Show the overflow in IE.
* 1. Show the overflow in Edge.
*/
button,
input {
/* 1 */
overflow: visible;
}
/**
* Remove the inheritance of text transform in Edge, Firefox, and IE.
* 1. Remove the inheritance of text transform in Firefox.
*/
button,
select {
/* 1 */
text-transform: none;
}
/**
* 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
* controls in Android 4.
* 2. Correct the inability to style clickable types in iOS and Safari.
*/
button,
html [type="button"], /* 1 */
[type="reset"],
[type="submit"] {
-webkit-appearance: button; /* 2 */
}
/**
* Remove the inner border and padding in Firefox.
*/
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
border-style: none;
padding: 0;
}
/**
* Restore the focus styles unset by the previous rule.
*/
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
outline: 1px dotted ButtonText;
}
/**
* Change the border, margin, and padding in all browsers (opinionated).
*/
fieldset {
border: 1px solid #c0c0c0;
margin: 0 2px;
padding: 0.35em 0.625em 0.75em;
}
/**
* 1. Correct the text wrapping in Edge and IE.
* 2. Correct the color inheritance from `fieldset` elements in IE.
* 3. Remove the padding so developers are not caught out when they zero out
* `fieldset` elements in all browsers.
*/
legend {
box-sizing: border-box; /* 1 */
color: inherit; /* 2 */
display: table; /* 1 */
max-width: 100%; /* 1 */
padding: 0; /* 3 */
white-space: normal; /* 1 */
}
/**
* 1. Add the correct display in IE 9-.
* 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
*/
progress {
display: inline-block; /* 1 */
vertical-align: baseline; /* 2 */
}
/**
* Remove the default vertical scrollbar in IE.
*/
textarea {
overflow: auto;
}
/**
* 1. Add the correct box sizing in IE 10-.
* 2. Remove the padding in IE 10-.
*/
[type="checkbox"],
[type="radio"] {
box-sizing: border-box; /* 1 */
padding: 0; /* 2 */
}
/**
* Correct the cursor style of increment and decrement buttons in Chrome.
*/
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
height: auto;
}
/**
* 1. Correct the odd appearance in Chrome and Safari.
* 2. Correct the outline style in Safari.
*/
[type="search"] {
-webkit-appearance: textfield; /* 1 */
outline-offset: -2px; /* 2 */
}
/**
* Remove the inner padding and cancel buttons in Chrome and Safari on macOS.
*/
[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
-webkit-appearance: none;
}
/**
* 1. Correct the inability to style clickable types in iOS and Safari.
* 2. Change font properties to `inherit` in Safari.
*/
::-webkit-file-upload-button {
-webkit-appearance: button; /* 1 */
font: inherit; /* 2 */
}
/* Interactive
========================================================================== */
/*
* Add the correct display in IE 9-.
* 1. Add the correct display in Edge, IE, and Firefox.
*/
details, /* 1 */
menu {
display: block;
}
/*
* Add the correct display in all browsers.
*/
summary {
display: list-item;
}
/* Scripting
========================================================================== */
/**
* Add the correct display in IE 9-.
*/
canvas {
display: inline-block;
}
/**
* Add the correct display in IE.
*/
template {
display: none;
}
/* Hidden
========================================================================== */
/**
* Add the correct display in IE 10-.
*/
[hidden] {
display: none;
}
案例源代码：源文件