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批改状态：合格
老师批语：联系我们, 关于我们, 其实都是单页面, 布局方式是一样的,这种布局也适合用来创建专题页, JS的基础知识, 还可以再想些案例的
企业站点“联系我们”页面代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>联系我们</title>
<style>
.header {
background-color: black;
}
.header .content {
width: 1000px;
height: 60px;
background-color: black;
margin: 0 auto;
}
.header .content .nav {
margin: 0;
}
.header .content .nav .item {
list-style-type: none;
}
.header .content .nav .item a {
float: left;
min-width: 100px;
min-height: 60px;
line-height: 60px;
color: white;
text-decoration: none;
text-align: center;
}
.header .content .nav .item a:hover {
background-color: red;
font-size: 110%;
}
/*中间内容*/
.container {
width: 1000px;
margin: 5px auto;
overflow: hidden;
}
.wrap {
width: inherit;
min-height: 800px;
}
.left {
width: 280px;
min-height: 800px;
}
.wrap, .left {
float: left;
}
.left {
margin-left: -100%;
}
.main {
padding-left: 280px;
box-sizing: content-box;
}
.main h3 {
margin: 10px auto;
text-align: center;
border-bottom: 1px solid;
}
.address ul li {
list-style-type: none;
}
.map {
margin: 0;
padding: 20px;
}
.map img {
width: 580px;
height: 400px;
}
.left h3 {
margin: 10px auto;
text-align: center;
border-bottom: 1px solid;
}
.left ul {
margin: 0;
padding: 0;
list-style: none;
}
.left li a {
display: inline-block;
width: 100%;
height: 50px;
background-color: black;
color: white;
text-decoration-line: none;
line-height: 50px;
text-align: center;
}
.left li a:hover {
background-color: red;
font-size: 1.1em;
}
.footer .content {
width: 1000px;
height: 60px;
background-color: #444;
margin: 0 auto;
}
.footer .content p {
text-align: center;
line-height: 60px;
}
.footer .content a {
text-decoration: none;
color: lightgrey;
}
.footer .content a:hover {
color: white;
}
</style>
</head>
<body>
<!-- 头部 -->
<div class="header">
<div class="content">
<ul class="nav">
<li class="item"><a href="index.html">首页</a></li>
<li class="item"><a href="news.html">公司新闻</a></li>
<li class="item"><a href="products.html">最新产品</a></li>
<li class="item"><a href="about.html">关于我们</a></li>
<li class="item"><a href="contact.html">联系我们</a></li>
</ul>
</div>
</div>
<div class="container">
<div class="banner">
<img src="static/images/banner.jpg" alt="">
</div>
<div class="wrap">
<div class="main">
<div class="address">
<h3>联系我们</h3>
<ul>
<li>公司地址：中国杭州市余杭区文一西路969号</li>
<li>联系人：马云</li>
<li>***：023-01234567</li>
</ul>
</div>
<div class="map">
<img src="static/images/address.jpg" alt="">
</div>
</div>
</div>
<div class="left">
<h3>栏目</h3>
<div class="category">
<ul>
<li><a href="">公司新闻</a></li>
<li><a href="">最新产品</a></li>
<li><a href="">关于我们</a></li>
<li><a href="">联系我们</a></li>
</ul>
</div>
</div>
</div>
<div class="footer">
<div class="content">
<p>
<a href="">© PHP中文网版权所有</a> |
<a href="">0551-88889999</a> |
<a href="">皖ICP2016098801-1</a>
</p>
</div>
</div>
</body>
</html>
js的基本语法
if 判断 语句 代码如下：
var pay = 1000;
var say = '';
if (pay >= 3000 && pay < 6000){
say = '还不错哦';
} else if(pay >= 6000){
say = '有钱人哦';
} else{
say = '给国家拖后腿了';
}
console.log(say);
三元判断结构:
say = ( pay >= 3000 )? '还可以哦':'给国家拖后腿了';
console.log(say);
switch判断语句：
switch (true) {
case pay >=3000 && pay < 6000: say = '还可以';
break;
case pay >6000 && pay < 10000: say = '有钱人哦';
break;
case pay > 10000 : say = '富二代吧';
break;
default:
say = '不好意思给国家拖后腿了';
}
console.log(say);
for循环语句：
var sum = 0 ;
for (var i = 0; i<10 ; i++){
sum = sum + i ;
}
console.log(sum);
while循环语句
var sum = 0 ;
var i = 0 ; //入口判断
while (i < 10){
sum = sum + i ;
i++;
}
console.log(sum);
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