潭州课堂25班：Ph201805201 WEB 之 页面编写 第二课 (课堂笔记)

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/reset.css">
    <link rel="stylesheet" href="css/common.css">
    <link rel="stylesheet" href="css/index.css">
    <link rel="stylesheet" href="https://at.alicdn.com/t/font_791183_yqg5z4kxenj.css">
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
</head>
<body>
    <!--header star-->
    <div class="header">
        <div class="header-contain">
            <h1 class="log"><a href="#" class="logo-title"></a></h1>
            <ul class="menu">
                <li><a href="#">首页</a> </li>
                <li><a href="course.html">在线课堂</a> </li>
                <li><a href="pay.html">付费课程</a> </li>
                <li><a href="search.html">搜索</a> </li>
            </ul>
            <div class="log-box">
                <i class="iconfont icon-iconuser"></i>             <!--引入图标时一般用 i 标签 -->
                <span><a href="reg.html">注册</a> </span>
                <span><a href="login.html">登录</a> </span>
            </div>
        </div>
    </div>
    <!--header end-->

    <!--main star-->
    <div class="main">
        <div class="main-box clearfix">
            <div class="main-contain">

                <!--banner-->
                <div class="banner">
                    <ul class="pic">
                        <li><img class="show" src="https://res.shiguangkey.com//file/201806/19/20180619142252602590185.jpg"></li>
                        <li><img  src="https://res.shiguangkey.com//file/201806/19/20180619141337485823895.jpg"></li>
                        <li><img  src="https://res.shiguangkey.com//file/201806/21/20180621150342030454625.jpg"></li>
                        <li><img  src="https://res.shiguangkey.com//file/201805/17/20180517113424433990524.jpg"></li>
                    </ul>
                    <ul class="tab">
                        <li class="on"></li>
                        <li></li>
                        <li></li>
                        <li></li>
                    </ul>
                    <ul class="btn">
                        <li class="left"><</li>
                        <li class="right">&gt</li>
                    </ul>
                </div>
                <div class="contain">+
                    <ul class="recommend-news">
                        <li>
                            <a href="#"><img src="https://res.shiguangkey.com//file/201806/04/20180604235838752491899.png!mall_course_a" alt="test"></a>
                            <p>
                                <a href="#">SEO优化，最新快速排名技巧解答分享</a>
                            </p>
                        </li>
                        <li>
                            <a href="#"><img src="https://res.shiguangkey.com//file/201805/26/20180526105323340886406.png!" alt="test"></a>
                            <p>
                                <a href="#">web前端零基础入门</a>
                            </p>
                        </li>
                       <li>
                            <a href="#"><img src="https://res.shiguangkey.com//file/201805/03/20180503165311843004082.png!" alt="test"></a>
                            <p>
                                <a href="#">韩语小白变大神</a>
                            </p>
                        </li>
                    </ul>
                </div>
                <div class="news-nav"></div>
                <div class="more">加载更多</div>
            </div>
            <div class="aside">

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

    <!--footer star-->
    <div class="footer">
        <div class="footer-box">
            <div class="footer-content">
               <p>
                   <span><a href="#">关于 python</a> </span>
                    <span><a href="#">python 开发</a> </span>
                    <span><a href="#">python 数据分析</a> </span>
                    <span><a href="#">python 关于我：<i class="iconfont icon-ai-weixin" ></i></a> </span>
               </p>
                <p>
                     <span><a href="#">地址：福建.........</a> </span>
                     <span><a href="#">联系电话：12345678911</a> </span>
                </p>
            </div>
            <p  class="bottom-content">Copyright © 2015 - 2018 潭州python学院. All Rights Reserved</p>
        </div>
    </div>

    <script src="js/index.js"></script>
</body>
</html>

　　

index.css

.main{
     100%;
    /*background: red;*/
    padding: 30px 0;
}
.main .main-box{
     1200px;
    /*height: 1000px;*/
    margin: auto;               /*居中*/
    /*background: yellowgreen;*/
}
.main .main-box .main-contain{
    float: left;               /*左浮动*/
     800px;
}
.main .main-box .main-contain .banner{
     800px;
    height: 200px;
    position: relative;
    /*background: blue;*/

}
.main .main-box .main-contain .banner .pic li img{
     800px;
    height: 200px;
    position: absolute;
    left: 0;
    top: 0;
}
.main .main-box .main-contain .banner .pic li img{
        display: none;
}
.main .main-box .main-contain .banner .pic li .show{
    display: block;
}
.main .main-box .main-contain .banner .tab{
    position: absolute;
    left: 340px;
    bottom: 15px;
}
.main .main-box .main-contain .banner .tab li{
    height: 20px;
     20px;
    border: 1px solid white;
    float: left;
    margin: 10px;
    border-radius: 50%;                     /*方变圆*/
    cursor: pointer;     /*出现小手*/
}
.main .main-box .main-contain .banner .tab .on{
    background: red;
}
.main .main-box .main-contain .banner .btn{
    font-size: 50px;
    color: white;
    font-weight: bold;
    line-height: 200px;
    cursor: pointer;     /*出现小手*/
    display: none;
}
.main .main-box .main-contain .banner:hover .btn{
    display: block;
}
.main .main-box .main-contain .banner .btn .left{
    position: absolute;
    left: 5px;
}
.main .main-box .main-contain .banner .btn .right{
    position: absolute;
    right: 5px;
}
.main .main-box .main-contain .contain{
     800px;
    /*background: red;*/
    font-size: 14px;
}
.main .main-box .main-contain .contain .recommend-news li a img{
     250px;
    height: 180px;                               /*固定图片大小*/
    transition: all 1s;                         /**在放大图片时有时间过度 */
}
.main .main-box .main-contain .contain .recommend-news{
    display: flex;
    justify-content:space-between;      /*弹性盒模型，大小自动分配 （一步做完浮动）*/
    padding: 20px 10px;
}
.main .main-box .main-contain .contain .recommend-news li p{
    text-align: center;                 /*居中*/
    line-height: 25px;                  /**/
}
.main .main-box .main-contain .contain .recommend-news li a img:hover{
    transform: scale(1.2);          /*鼠标移入时放大多少倍*/
}

　　

index.js

/**
 * Created by Administrator on 2018/8/15 0015.
 */
$(function(){
    var $picli = $('.banner .pic li img');
    var $tabli = $('.banner .tab li');
    var $btnli = $('.banner .btn li');
    var len = $picli.length;
    //var len1 = $btnli.length;
    //console.log(len1);
    var n = 0;              // 记录上次变量
    var timer;

    // 初始化
    //.....

    //tab 区域
    $tabli.click(function(){
        var x = $(this).index() ;  //获取点击该按键的下标，
          if(x != n){
            chan(x);
            //console.log(x);
        }
    });

    //btn区域
    $btnli.click(function(){
        var x = n;
        if($(this).index()){
            x++;
            x %= len;
            chan(x);
        } else {
            x--;
            if(x<0) x = len-1;
            chan(x);
        }
    });

    // 自动 轮播
    function auto(){
        timer = setInterval(function(){
            var x = n;
            x++;
            x %= len;
            chan(x);
        },3000)
    }
    auto();
    $('.banner').hover(function () {        //鼠标移入清除定时器
        clearInterval(timer);
    },auto);                              //鼠标移出重启轮播

    function chan(i){
        $tabli.eq(n).removeClass('on');        // 点哪个，给哪个按键删除 class
        $picli.eq(n).fadeOut(2000);
        n = i;
        $tabli.eq(n).addClass('on');        // 点哪个，给哪个按键加 class
        $picli.eq(n).fadeIn(2000);          //
    }
});

　　

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原文地址：https://www.cnblogs.com/gdwz922/p/9479251.html