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css和jquery实现的select美化自定义下拉框样式

时间：2014-04-03 08:39 来源：互联网作者：源码搜藏收藏推荐

<!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>
<title>select美化自定义下拉框样式</title>
</head>
<body>
<style type="text/css">
*{margin:0;padding:0;}
select{outline:none;}
ul{list-style:none;}
a{text-decoration:none;}
select{display: none;}
.select_box{font-family: "宋体"; font-size: 12px;color: #999999;width: 178px;line-height: 20px;margin: 50px auto;}
.select_showbox{border: 1px solid #b0a296;height: 20px;padding-left: 5px;background: url(http://www.codefans.net/jscss/demoimg/201403/icon.png) no-repeat 156px 0;}
.select_option{border: 1px solid #b0a296;border-top: none;display: none;}
.select_option li{padding-left: 5px;}
.select_option li.selected{background-color: #F3F3F3;color: #999;}
.select_option li.hover{background: #7b6959; color: #fff;}
</style>
<select name="choose" id="choose">
	<option value="选择风格" selected="selected">选择风格</option>
	<option value="复古风">复古风</option>
	<option value="摇滚风">摇滚风</option>
	<option value="怀旧风">怀旧风</option>
</select>
<script type="text/javascript" src="http://www.codefans.net/ajaxjs/jquery-1.7.2.min.js"></script>
<script type="text/javascript">
(function($){
var selects=$('select');//获取select
for(var i=0;i<selects.length;i++){
	createSelect(selects[i],i);
}
function createSelect(select_container,index){
	//创建select容器，class为select_box，插入到select标签前
	var tag_select=$('<div></div>');//div相当于select标签
	tag_select.attr('class','select_box');
	tag_select.insertBefore(select_container);
	//显示框class为select_showbox,插入到创建的tag_select中
	var select_showbox=$('<div></div>');//显示框
	select_showbox.css('cursor','pointer').attr('class','select_showbox').appendTo(tag_select);
	//创建option容器，class为select_option，插入到创建的tag_select中
	var ul_option=$('<ul></ul>');//创建option列表
	ul_option.attr('class','select_option');
	ul_option.appendTo(tag_select);
	createOptions(index,ul_option);//创建option
	//点击显示框
	tag_select.toggle(function(){
		ul_option.show();
	},function(){
		ul_option.hide();
	});
	var li_option=ul_option.find('li');
	li_option.on('click',function(){
		$(this).addClass('selected').siblings().removeClass('selected');
		var value=$(this).text();
		select_showbox.text(value);
		ul_option.hide();
	});
	li_option.hover(function(){
		$(this).addClass('hover').siblings().removeClass('hover');
	},function(){
		li_option.removeClass('hover');
	});
}
function createOptions(index,ul_list){
	//获取被选中的元素并将其值赋值到显示框中
	var options=selects.eq(index).find('option'),
		selected_option=options.filter(':selected'),
		selected_index=selected_option.index(),
		showbox=ul_list.prev();
		showbox.text(selected_option.text());
	//为每个option建立个li并赋值
	for(var n=0;n<options.length;n++){
		var tag_option=$('<li></li>'),//li相当于option
			txt_option=options.eq(n).text();
		tag_option.text(txt_option).css('cursor','pointer').appendTo(ul_list);
		//为被选中的元素添加class为selected
		if(n==selected_index){
			tag_option.attr('class','selected');
		}
	}
}
})(jQuery)
</script>
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
</div>
</body>
</html>

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