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老师批语：这个作业是用不到z-indx的
网站的首页
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
body {
padding: 0;
margin: 0;
}
/*头部样式*/
.header {
background-color: lightblue;
}
/*头部内容区*/
.header .content {
width: 90%;
background-color: lightblue;
margin: 0 auto;
height: 60px;
}
/*头部中的导航*/
.header .content .nav {
/*清空ul默认样式*/
margin: 0;
padding: 0;
}
/*去掉头部中的导航子项样式*/
.header .content .nav .item {
list-style: none;
}
/*设置头部中的导航自相中包含的超链接*/
.header .content .nav .item a {
float: left;/*设置为向左浮动*/
min-width: 80px;
min-height: 60px;
/*水平居中*/
text-align: center;
/*垂直居中*/
line-height: 60px;
/*导航前景色*/
color: white;
padding: 0 15px;/*上下为0，左右为15*/
/*去掉a标签的默认下划线*/
text-decoration: none;
}
.header .content .nav .item a:hover {
background-color: red;
font-size: 1.1rem;
}
/*设置轮播图*/
.slider {
width: 90%;
margin: 0 auto;
}
/*轮播css设置*/
#flash {
width:100%;
height: 535px;
margin: 0 auto;
text-align: center;
}
#flash #play {
/*width:100%;*/
height: 535px;
list-style: none;
position:relative;
/*top:0;*/
/*left:0;*/
margin: 0 auto;
padding: 0 auto;
}
#flash #play li {
display: none;
position:absolute;
/*top:0;*/
/*left:0;*/
margin: 0 auto;
padding: 0 auto;
}
#flash #play li img {
float: left;
}
#button {
position: relative;
bottom:20px;
left:40%;
list-style: none;
padding: 0 0;
}
#button li {
margin-left: 10px;
float: left;
}
#button li div {
width:12px;
height: 12px;
background:#DDDDDD;
border-radius: 6px;
cursor: pointer;
}
#prev {
width:40px;
height:63px;
background:url(images/beijing.png) 0 0;
position: absolute;
top:50%;
left:10px;
z-index: 1000;
}
#next {
width:40px;
height:63px;
background:url(images/beijing.png) -40px 0;
position: absolute;
top:50%;
right:10px;
z-index: 1000;
}
#prev:hover {
background:url(images/beijing.png) 0 -62px;
}
#next:hover {
background:url(images/beijing.png) -40px -62px;
}
/*设置商品列表样式*/
.left {
box-sizing: border-box;
padding: 10px;
border: 1px solid #555555;
}
.left h1 {
color: #555;
font-size: 1.3rem;
border-bottom: 1px solid #555555;
}
.left ul {
margin-top: 20px;
padding: 0;
}
.left ul li {
list-style: none;
padding: 10px 20px;
}
.left ul li a {
text-decoration: none;
color: #555555;
}
.left ul li a:hover {
color: coral;
text-decoration: underline;
cursor: pointer;
}
/*主体使用圣杯来实现*/
/*第一步: 设置主体的宽度*/
.container {
width: 90%;
background-color: lightgray;
margin: 5px auto;
/*border: 5px dashed black;*/
}
/*第二步: 将中间内容区, 左侧和右侧的宽高进行设置*/
.left {
width: 200px;
min-height: 500px;
background-color: lightgreen;
}
.right {
width: 200px;
min-height: 500px;
background-color: lightcoral;
}
.main {
width: 100%;
background-color: lightblue;
min-height: 500px;
}
/*第三步: 将主体,左, 右全部浮动*/
.main, .left, .right {
float: left;
}
.container {
overflow: hidden;
}
/*第四步: 将左右区块移动到正确的位置上*/
.main {
/*设置一个盒模型的大小的计算方式, 默认大小由内容决定*/
box-sizing: border-box;
padding-left: 200px;
padding-right: 200px;
}
.left {
margin-left: -100%;
}
.right {
margin-left: -200px;
}
/*页面的底部样式开始*/
.footer {
background-color: #777777;
}
.footer .content {
width: 90%;
background-color: #777777;
height: 60px;
margin: 0 auto;
}
.footer .content p {
/*水平居中*/
text-align: center;
/*垂直居中*/
line-height: 60px;
}
.footer .content p a {
color: #999999;
text-decoration: none;
}
.footer .content p a:hover {
color: white;
}
</style>
<link rel="stylesheet" href="myStyle0905.css">
<script type="text/javascript">
window.onload=function()
{
var oPlay=document.getElementById('play');
var aLi=oPlay.getElementsByTagName('li');
var oButton=document.getElementById('button');
var aDiv=oButton.getElementsByTagName('div');
var oPrev=document.getElementById('prev');
var oNext=document.getElementById('next');
var oFlash=document.getElementById('flash');
var now=0;
var timer2=null;
for(var i=0; i<aDiv.length; i++) {
aDiv[i].index=i;
aDiv[i].onmouseover=function(){
if(now==this.index) return;
now=this.index;
tab();
}
}
oPrev.onclick=function(){
now--;
if(now==-1){
now=aDiv.length-1;
}
tab();
}
oNext.onclick=function(){
now++;
if(now==aDiv.length){
now=0;
}
tab();
}
oFlash.onmouseover=function()
{
clearInterval(timer2);
}
oFlash.onmouseout=function()
{
timer2=setInterval(oNext.onclick,4000);
}
timer2=setInterval(oNext.onclick,5000);
function tab(){
for(var i=0; i<aLi.length; i++){
aLi[i].style.display='none';
}
for(var i=0; i<aDiv.length; i++) {
aDiv[i].style.background="#DDDDDD";
}
aDiv[now].style.background='#A10000';
aLi[now].style.display='block';
aLi[now].style.opacity=0;
aLi[now].style.filter="alpha(opacity=0)";
jianbian(aLi[now]);
}
function jianbian(obj){
var alpha=0;
clearInterval(timer);
var timer=setInterval(function(){
alpha++;
obj.style.opacity=alpha/100;
obj.style.filter="alpha(opacity="+alpha+")";
if(alpha==100) {
clearInterval(timer);
}
},10);
}
}
</script>
<title>网站首页布局</title>
</head>
<body>
<!--头部-->
<div class="header">
<!-- 头部-->
<div class="content">
<ul class="nav">
<li class="item"><a href="">首页</a></li>
<li class="item"><a href="">产品动态</a></li>
<li class="item"><a href="">发布产品</a></li>
<li class="item"><a href="">售后服务</a></li>
<li class="item"><a href="">成功案例</a></li>
<li class="item"><a href="">联系我们</a></li>
</ul>
</div>
</div>
<div class="slider">
<div id="flash">
<div id="prev"></div>
<div id="next"></div>
<ul id="play">
<li style="display: block;"><img src="images/1.jpg" alt="" /></li>
<li><img src="images/2.jpg" alt="" /></li>
<li><img src="images/3.jpg" alt="" /></li>
<li><img src="images/4.jpg" alt="" /></li>
<li><img src="images/5.jpg" alt="" /></li>
<li><img src="images/6.jpg" alt="" /></li>
<li><img src="images/7.jpg" alt="" /></li>
<li><img src="images/8.jpg" alt="" /></li>
</ul>
<ul id="button">
<li><div style="background: #A10000;"></div></li>
<li><div></div></li>
<li><div></div></li>
<li><div></div></li>
<li><div></div></li>
<li><div></div></li>
<li><div></div></li>
<li><div></div></li>
</ul>
</div>
</div>
<!--主体-->
<div class="container">
<!-- 圣杯DOM结构-->
<!-- 主体-->
<div class="main"><h1>主体内容区</h1></div>
<!-- 左侧边栏-->
<div class="left">
<!-- <h1>商品列表</h1>-->
<ul>
<li><a href="">我的商品1</a></li>
<li><a href="">我的商品2</a></li>
<li><a href="">我的商品3</a></li>
<li><a href="">我的商品4</a></li>
<li><a href="">我的商品5</a></li>
<li><a href="">我的商品6</a></li>
<li><a href="">我的商品7</a></li>
<li><a href="">我的商品8</a></li>
<li><a href="">我的商品9</a></li>
<li><a href="">我的商品10</a></li>
</ul>
</div>
<!-- 右侧边栏-->
<div class="right"><h1>右侧</h1></div>
</div>
<!--底部-->
<div class="footer">
<!-- 底部内容区-->
<div class="content">
<p>
<a href="">© php中文网版本所有</a> |
<a href="">0551-666***999</a> |
<a href="">皖ICP备19***666</a>
</p>
</div>
</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
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