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js获取视频时长代码

　　本文标签：视频时长

网上找的，因为最近要用，但还没试过 
复制代码 代码如下:

    <!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> 
    </head> 

    <body> 
    <p> 
      <object id="player" style="display:none" height="400" width="400" classid="CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6"> 
        <param name="invokeURLs" value="-1"> 
        <param NAME="AutoStart" VALUE="-1"> 
        <param name="currentPosition" value="0"> 
        <param name=uiMode value=mini> 
        <param NAME="url" VALUE="test.mpg"> 
      </object> 
    </p> 
    <input name="submit" type="submit" onclick="getInfo()"> 
    <p> 

    <script language="javascript"> 
     var time; 
      function getInfo(){ 
      var pl=document.getElementById("player"); 
       time=pl.currentMedia.durationString; 
       alert(parseInt(pl.currentMedia.durationString.substring(0,2)*60)); 
       //alert(parseInt(pl.currentMedia.durationString.substring(3,5))); 
      alert(parseInt(pl.currentMedia.durationString.substring(0,2)*60)+parseInt(pl.currentMedia.durationString.substring(3,5))); 
     } 
    </script> 
    </p> 
    </body> 
    </html>