abstract：<html> <head> <title>手风琴菜单</title> <script src="js/jquery.js" type="text/javascript">&
<html>
<head>
<title>手风琴菜单</title>
<script src="js/jquery.js" type="text/javascript"> </script>
<style type="text/css">
*{ margin: 0; padding: 0; font-size: 14px; font-family: "微软雅黑"}
a{ text-decoration: none; color: #36b2f5;}
.nav{ width: 250px; margin: 50px auto; border-bottom: 3px solid #36b2f5;border-top: 4px solid #36b2f5;}
.one{ width:250px; height: 40px; line-height: 40px;text-align: center;
border-left: 1px solid #36b2f5;border-right: 1px solid #36b2f5;border-bottom: 1px solid #36b2f5;}
.two{ width: 250px; text-align: center; border-left: 1px solid #36b2f5;border-right: 1px solid #36b2f5;}
.two div{ height: 35px; line-height: 35px;border-bottom: 1px dotted #36b2f5;}
</style>
<script type="text/javascript">
$(function(){
$(".two").css("display","none");//使用css方式隐藏
//$(".two").hide();//使用hide函数方式隐藏
let one = $(".one");
let two = $(".two");
$(".one").each(function(i){
$(this).click(function(){
if($(two[i]).css("display")=="none"){
$(two[i]).slideDown(400);
}else{
$(two[i]).slideUp(400);
}
});
});
})
</script>
</head>
<body>
<div class="nav">
<div class="parent">
<div class="one">
<strong>个人中心</strong>
</div>
<div class="two">
<div><a href="#">我的信息</a></div>
<div><a href="#">系统通知</a></div>
<div><a href="#">短信息</a></div>
</div>
</div>
<div class="parent">
<div class="one">
<strong>课程中心</strong>
</div>
<div class="two">
<div><a href="#">课程1</a></div>
<div><a href="#">课程2</a></div>
<div><a href="#">课程3</a></div>
</div>
</div>
<div class="parent">
<div class="one">
<strong>校内讨论</strong>
</div>
<div class="two">
<div><a href="#">校内讨论1</a></div>
<div><a href="#">校内讨论2</a></div>
<div><a href="#">校内讨论3</a></div>
</div>
</div>
<div class="parent">
<div class="one">
<strong>我的课程</strong>
</div>
<div class="two">
<div><a href="#">我的课程1</a></div>
<div><a href="#">我的课程2</a></div>
<div><a href="#">我的课程3</a></div>
</div>
</div>
</div>
</body>
</html>
Correcting teacher：查无此人Correction time：2019-04-27 17:30:18
Teacher's summary：完成的不错，可以把常用的css样式写到一个文件，下次直接可以使用。继续加油