判断用户在哪个终端打开页面，实现跳转

if((navigator.userAgent.match(/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i))) {
    window.location.href = "";     //跳转到手机端的页面
 } else {
    window.location.href = "";     //跳转到pc端的页面
 }