<!DOCTYPE html>
<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<head runat="server">
<title>文件下载</title>
<script type="text/javascript">
function downLoad(){
var elemIF = document.createElement("iframe");
elemIF.src = "需要下载的url";
elemIF.style.display = "none";
document.body.appendChild(elemIF);
}
</script>
</head>
<body>
<a href="#" onClick="downLoad()">点击下载</a>
</body>
</html> 或者直接调用a 标签的 download属性直接下载。
<a href="文件url" download="下载后文件名" >点击下载</a>