打开链接自动匹配跳转移动端链接还是pc端链接

// 判断机型    function IsPC() {        // 公告了浏览器用于 HTTP 请求的客户代理商头的值        var userAgentInfo = navigator.userAgent;        //手机机型        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;    };    window.onload=function(){        var isPC=IsPC();        if(isPC){            //自动跳到pc端链接            window.location.href="http://xxxx/pm/2019/znyy/index.html";        }else{            //自动跳到手机端端链接            window.location.href="http://xxxx/pm/2019/znyy/index_phone.html";        }    };