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rucheng_hjp,如何获取iframe内容

2016-03-22 22:00 253 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>demo主页面</title>  

    <script type="text/javascript">  

    window.onload = function(){  

    var ids = "";

    var tds = document.getElementById('iframeId').contentWindow.document.getElementsByClassName('td1');

    for (var i = 0; i <= tds.length -1; i++) {

    var id = tds[i].innerText;

    //alert(id);

    if (i === 0) {

    ids = id;

    } else {

    ids += ","+id;

    }

   

    };

        alert('ids：'+ids);

    }  

      

    </script>  

</head>  

  

<body>  

<iframe src="demo-iframe.html" id="iframeId" height="150" width="150"></iframe>    

</body>  
</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>×ÓÒ³Ãædemo13-iframe.html</title>  

    

</head>  

  

<body>  

    <table style='width:100px;height:100px;background-color:red;' id='objId' >

   

    <tr><td name="td1" class = "td1">33333333333</td></tr>

    <tr><td name="td1" class = "td1">66666666</td></tr>

    <tr><td name="td1" class = "td1">555555555555</td></tr>

    <tr><td name="td1">7777777</td></tr>

    </table> 

</body>  

</html>
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