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">></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>
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</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); //
}
});