<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
function downLoad(){
window.open("http://ip/apkVersion/Setup.exe");
}
</script>
<a href="#" onClick="downLoad()">点击下载</a>
</body>
</html>
注：但是这种方式存在跨域问题，网页和包需要在同一个服务器上