移动端开发——京东首页制作（流式布局）

Posted 2021-05-20 乘风破浪的程序媛

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移动端开发——京东首页制作（流式布局）

项目准备

初始化基本文件夹
创建index.html
设置视口
引入基本公共样式
引入自己的css样

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0,user-scalable=no,min-scale=1.0,max-scale=1.0">
    <title>京东</title>
    <!-- 引入外部文件样式 -->
    <link rel="stylesheet" href="css/normalize.css">
    <!-- 引入自己的样式 -->
    <link rel="stylesheet" href="css/index.css">
</head>

<body>
    <header class="app">
        <ul>
            <li>
                <img src="images/close.png" alt="">
            </li>
            <li>
                <img src="images/logo.png" alt="">
            </li>
            <li>打开京东APP，购物更轻松</li>
            <li>立即打开</li>
        </ul>
    </header>
    <!-- 搜索 -->
    <div class="search-wrap">
        <div class="search-btn"></div>
        <div class="search">
            <div class="jd-icon"></div>
            <div class="sou"></div>
        </div>
        <div class="search-login">登录</div>
    </div>
    <!-- 主体内容-->
    <div class="main-content">
        <!-- 滑动图 -->
        <div class="slider">
            <img src="upload/banner.dpg" alt="">
        </div>
        <!-- 品牌日 -->
        <div class="brand">
            <div>
                <a href="#"> <img src="upload/pic11.dpg" alt=""></a>

            </div>
            <div>
                <a href="#"> <img src="upload/pic22.dpg" alt=""></a>
            </div>
            <div>
                <a href="#"> <img src="upload/pic33.dpg" alt=""></a>
            </div>
        </div>
        <!-- nav部分 -->
        <nav>
            <a href="#">
                <img src="upload/nav1.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav2.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav3.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav2.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav1.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav2.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav1.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav2.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav3.webp" alt=""><span>京东超市</span>
            </a>
            <a href="#">
                <img src="upload/nav2.webp" alt=""><span>京东超市</span>
            </a>
        </nav>
        <!-- 新闻块 -->
        <div class="news">
            <a href="#"><img src="upload/new1.dpg" alt=""></a>
            <a href="#"><img src="upload/new2.dpg" alt=""></a>
            <a href="#"><img src="upload/new3.dpg" alt=""></a>

        </div>
    </div>
</body>

</html>

body {
    width: 100%;
    min-width: 320px;
    max-width: 640px;
    margin: 0 auto;
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    font-family: Helvetica, sans-serif;
}

a {
    color: #666;
    text-decoration: none;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

img {
    vertical-align: middle;
}

.app {
    height: 45px;
}

.app ul li {
    float: left;
    height: 45px;
    background-color: #333333;
    text-align: center;
    line-height: 45px;
    color: #fff;
}

.app ul li:nth-child(1) {
    width: 8%;
}

.app ul li:nth-child(1) img {
    width: 10px;
}

.app ul li:nth-child(2) {
    width: 10%;
}

.app ul li:nth-child(2) img {
    width: 30px;
    /* 图片和文字居中对齐 */
    vertical-align: middle;
}

.app ul li:nth-child(3) {
    width: 57%;
}

.app ul li:nth-child(4) {
    width: 25%;
    background-color: red;
}


/* 搜索 */

.search-wrap {
    position: fixed;
    width: 100%;
    height: 44px;
    overflow: hidden;
    min-width: 320px;
    max-width: 640px;
}

.search-btn {
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 44px;
}

.search-btn:before {
    content: "";
    display: block;
    width: 20px;
    height: 18px;
    background: url(../images/s-btn.png) no-repeat;
    background-size: 20px 18px;
    margin: 14px 0 0 15px;
}

.search-login {
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 44px;
    color: #fff;
    line-height: 44px;
}

.search {
    position: relative;
    height: 30px;
    background-color: #fff;
    margin: 0 50px;
    border-radius: 15px;
    margin-top: 7px;
}

.jd-icon {
    width: 20px;
    height: 15px;
    position: absolute;
    top: 8px;
    left: 13px;
    background: url(../images/jd.png) no-repeat;
    background-size: 20px 15px;
}

.jd-icon:after {
    content: "";
    position: absolute;
    top: 0;
    right: -8px;
    display: block;
    width: 1px;
    height: 15px;
    background-color: #ccc;
}

.sou {
    position: absolute;
    width: 18px;
    height: 15px;
    top: 8px;
    left: 50px;
    background: url(../images/jd-sprites.png) no-repeat -81px 0;
    background-size: 200px auto;
}

.slider img {
    width: 100%;
}


/* 品牌日 */

.brand {
    overflow: hidden;
    border-radius: 10px 10px 0 0;
}

.brand div {
    float: left;
    width: 33.3%;
}

.brand div img {
    width: 100%;
}


/* nav */

nav {
    text-align: center;
    padding-top: 10px
}

nav a {
    float: left;
    width: 20%;
}

nav a img {
    width: 40px;
    margin: 10px 0;
}

nav a span {
    display: block;
}


/* news */

.news img {
    width: 100%;
}

.news a {
    float: left;
    box-sizing: border-box;
}

.news a:nth-child(1) {
    width: 50%;
}


/* n+2就是从第2个往后选 */

.news a:nth-child(n+2) {
    width: 25%;
    border-left: 1px solid #ccc;
}

在这里插入图片描述

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