搞了个CSS树节点ico，没有图片哦

来源：未知责任编辑：责任编辑发表时间:2013-12-06 08:45　点击:次

知道css中的border用法的一看就懂了。看一下代码：
[html]
<!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>test</title>
<style type="text/css">
    body{margin:0px; padding:0px;}
    #arrow{width:12px; height:12px; border:1px solid #ccc; margin:50px;}
    #arrowOpen{visibility:hidden;}
    .closed{width:0px; height:0px; border-left:#060 6px solid; border-bottom:#fff 6px solid; border-top:#fff 6px solid;}
    .open{width:0px; height:0px; margin-top:-8px; margin-left:-1px; border-left:#fff 6px solid; border-right:#fff 6px solid; border-top:#060 6px solid;}
</style>
<script type="text/javascript" src="jquery-1.7.js"></script>
<script type="text/javascript" language="javascript">
$(document).ready(function(){
    //隐藏向右开的箭头
    $("#arrowClose").click(function(){
        if($(this).css("visibility")!="hidden"){
            $(this).css("visibility","hidden");
            $("#arrowOpen").css("visibility","visible");
        }
    })
    //隐藏向下开的箭头
    $("#arrowOpen").click(function(){
        if($(this).css("visibility")=="visible"){
            $(this).css("visibility","hidden");
            $("#arrowClose").css("visibility","visible");
        }
    })
})
</script>
</head>

<body>
<div id="arrow">
    <div id="arrowClose" class="closed"></div>
    <div id="arrowOpen" class="open"></div>
</div>
</body>
</html>
给个demo下载地址
http://www.2cto.com/uploadfile/2012/0217/20120217103207206.zip

搞了个CSS树节点ico，没有图片哦

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