//平台、设备和操作系统
var system = {
win: false,
mac: false,
xll: false,
ipad: false
};
//检测平台
var p = navigator.platform;
system.win = p.indexOf("Win") == 0;
system.mac = p.indexOf("Mac") == 0;
system.x11 = (p == "X11") || (p.indexOf("Linux") == 0);
system.ipad = (navigator.userAgent.match(/iPad/i) != null) ? true : false;
//跳转语句,如果是手机访问就自动跳转到页面
if (system.win || system.mac || system.xll || system.ipad) {
//如果是电脑打开
window.location.href = "http://www.baidu.com";
} else {
//如果是手机打开
}