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  • 用idv做下拉列表,很重要

    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    <style type="text/css">
    .fengjingqu {
        position:relative;
        margin:0 auto;
         100px;
        height: 50px;
        z-index: 1;
        background-color:#FF0;
        overflow:hidden;
        
    }
    .jieshao {
        position:relative;
        margin:0 auto;
         100px;
        height: 50px;
        z-index: 2;
        background-color:#3F6;
        overflow:visible;
    }
    
    #apDiv2 {
        position:absolute;
        background-color:#F00;
        margin:0 auto;
        top:50px;    
         100px;
        height: 540px;
        }
        
        
        
    </style>
    </head>
    
    <body>
    <div id="apDiv1" class="fengjingqu" onmouseover="this.className='jieshao'" onmouseout="this.className='fengjingqu'">风景区
    <div id="apDiv2">
      <p>潭溪山</p>
      <p>云明山</p>
      <p>瀑布群</p>
      <p>蝴蝶谷</p>
      <p>杏花村</p>
      <p>&nbsp;</p>
    </div>
    
    </div>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/275147378abc/p/4487159.html
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