复制代码 代码如下:

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<a href="a.txt" id=pic1>点击下载</a>

<script>

function savepic()

{

if(document.all.a1==null)

{

objIframe=document.createElement("IFRAME");

document.body.insertBefore(objIframe);

objIframe.outerHTML= "<iframe name=a1 src="+pic1.href+"></iframe>";

re=setTimeout("savepic()",1)

}

else

{

clearTimeout(re)

pic = window.open(pic1.href,"a1")

pic.document.execCommand("SaveAs")

document.all.a1.removeNode(true)

}

}

</script>