var u = navigator.userAgent;
var isAndroid = u.indexOf("Android") > -1 || u.indexOf("Adr") > -1; //android终端
var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端
if(isAndroid) { //android终端
let url = res.data.url;
window.open(url);
}else if(isiOS) { //ios终端
window.location.href = res.data.url;
}