[auto-download-app] 如何使用 javascript 实现 app 自动下载

// 在访客跳转进入的页面中，执行下面使用下面 invoke function 
(function(){
			 
			var str_downloadUrl = "<!--{$apkUrl}-->";
			var str_scheme = "hinabian://openwith";
			if($.os.iphone)
			{
				str_downloadUrl = "http://a.app.qq.com/o/simple.jsp?pkgname=com.hinabian.migrate";
				str_scheme = "";
			}
			
			function openApp()
			{
				location.href = str_downloadUrl;
				/*
				var e = document.createElement("iframe");
				e.style.cssText = "width:1px;height:1px;position:fixed;top:0;left:0;";
				e.src = str_scheme;
				document.body.appendChild(e);
				startTime = (new Date).valueOf();
				setTimeout(function () {
					var endTime = (new Date).valueOf();
					if (1550 > endTime - startTime) {
						location.href = str_downloadUrl;
					}
				}, 1500);
				*/
			}
			$("#id_download_btn").click(openApp);
			setTimeout(function(){
				openApp();
			} , 1000);
		})();