<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<style>
.showItem{ height:40px; line-height:40px; display:block;}
.contentItem{ height:120px; border:#cccccc 1px solid; display:none;}
</style>
</head>
<body>
<div class="content">
<a href="javascript:void(0)" class="showItem">
标题1
</a>
<div class="contentItem" style="display:block;">
内容1
</div>
<a href="javascript:void(0)" class="showItem">
标题2
</a>
<div class="contentItem">
内容2
</div>
<a href="javascript:void(0)" class="showItem">
标题3
</a>
<div class="contentItem">
内容3
</div>
</div>
</body>
</html>
<script>
$(function(){
$(".content .showItem").click(function(){
var index = $(".content .showItem").index($(this));
$(".content .contentItem").hide().eq(index).show();
})
})
</script>