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jquery+css+ul模拟列表菜单具体实现思路

2013-04-15 00:00 656 查看
<!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=utf-8" /> 
<title>jquery用ul模拟表单select列表菜单效果</title> 
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> 
<style type="text/css"> 
<!-- 
body {padding:10px;} 
* {margin:0; padding:0; font-size:12px;} 
ul,li {list-style-type:none;} 
.select_box {width:150px; border:1px solid #ccc; padding-right:20px; padding-left:10px; background:url(107.gif) no-repeat 160px center; position:relative;} 
.select_box span {cursor:pointer; display:block; line-height:25px; width:100%; height:25px; overflow:hidden;} 
.select_box ul li {cursor:pointer;} 
.son_ul {width:179px; position:absolute; left:0; top:25px; border:1px dashed #ccc; background:#fff;} 
.son_ul li {display:block; line-height:25px; padding-left:10px; width:169px} 
.hover {background:#ccc;} 
--> 
</style> 
<script type="text/javascript"> 
$(document).ready(function(){ 
$('.son_ul').hide(); //初始ul隐藏 
$('.select_box span').hover(function(){ //鼠标移动函数 
$(this).parent().find('ul.son_ul').slideDown(); //找到ul.son_ul显示 
$(this).parent().find('li').hover(function(){$(this).addClass('hover')},function(){$(this).removeClass('hover')}); //li的hover效果 
$(this).parent().hover(function(){}, 
function(){ 
$(this).parent().find("ul.son_ul").slideUp(); 
} 
); 
},function(){} 
); 
$('ul.son_ul li').click(function(){ 
$(this).parents('li').find('span').html($(this).html()); 
$(this).parents('li').find('ul').slideUp(); 
}); 
} 
); 
</script> 
</head> 
<body> 
<ul id="main_box"> 
<li class="select_box"> 
<span>请选择...</span> 
<ul class="son_ul"> 
<li>选项一</li> 
<li>选项二</li> 
<li>选项三</li> 
<li>选项四</li> 
<li>选项五</li> 
</ul> 
</li> 
</ul> 
</body> 
</html>

实现结果



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