网站在pc端和手机端自动切换

$(function(){
//判断页面是手机端还是pc端
function IsPC() {
var userAgentInfo = navigator.userAgent;
var Agents = ["Android", "iPhone",
"SymbianOS", "Windows Phone",
"iPad", "iPod"];
var flag = true;
for (var v = 0; v < Agents.length; v++) {
if (userAgentInfo.indexOf(Agents[v]) > 0) {
flag = false;
break;
}
}
return flag;
}
var turl="";
//如果是手机端打开
if(!IsPC()){
turl="http://m.i6tou.com/topic/sports";
var _str=location.href.split('?')[1];
if(typeof(_str)!="undefined"){
turl=turl+"?"+_str;
}
window.location.href = turl;
}
});