//html代码中 的 a 标签,以微信为例,默认的是调用weixin scheme,去打开本机的微信,如果没有则跳转到相应连接
<a href=
"weixin://"
class
=
"btn-download"
>立即打开</a>
// 为btn-download 绑定事件,如果在500ms内,没有解析到协议,那么就会跳转到下载链接
var
appstore, ua = navigator.userAgent;
if
(ua.match(/Android/i)){
appstore =
‘market://search?q=com.singtel.travelbuddy.android‘
;
}
if
(ua.match(/iphone|ipod|ipad/)){
appstore =
"https://itunes.apple.com/cn/app/wei-xin/id414478124?mt=8&ign-mpt=uo%3D4"
;
}
function
applink(fail){
return
function
(){
var
clickedAt = +
new
Date;
// During tests on 3g/3gs this timeout fires immediately if less than 500ms.
setTimeout(
function
(){
// To avoid failing on return to MobileSafari, ensure freshness!
if
(+
new
Date - clickedAt < 2000){
window.location = fail;
}
}, 500);
};
}
$(
‘.icon-download, .btn-download‘
)[0].onclick = applink(appstore);