这里介绍下使用device.js插件来判断移动端设备
地址：https://github.com/matthewhudson/device.js
示例：
if(device.mobile()){
window.location.href = "移动端地址";
//alert("移动端");
} else {
window.location.href = "PC端地址";
//alert("PC端");
}
更多设备判断如下表格：
| Device | JavaScript Method |
| Mobile | device.mobile() |
| Tablet | device.tablet() |
| Desktop | device.desktop() |
| iOS | device.ios() |
| iPad | device.ipad() |
| iPhone | device.iphone() |
| iPod | device.ipod() |
| Android | device.android() |
| Android Phone | device.androidPhone() |
| Android Tablet | device.androidTablet() |
| BlackBerry | device.blackberry() |
| BlackBerry Phone | device.blackberryPhone() |
| BlackBerry Tablet | device.blackberryTablet() |
| Windows | device.windows() |
| Windows Phone | device.windowsPhone() |
| Windows Tablet | device.windowsTablet() |
| Firefox OS | device.fxos() |
| Firefox OS Phone | device.fxosPhone() |
| Firefox OS Tablet | device.fxosTablet() |
| MeeGo | device.meego() |
| Television | device.television() |
|
Device |
CSS Classes |
| iPad | ios ipad tablet |
| iPhone | ios iphone mobile |
| iPod | ios ipod mobile |
| Android Phone | android mobile |
| Android Tablet | android tablet |
| BlackBerry Phone | blackberry mobile |
| BlackBerry Tablet | blackberry tablet |
| Windows Phone | windows mobile |
| Windows Tablet | windows tablet |
| Firefox OS Phone | fxos mobile |
| Firefox OS Tablet | fxos tablet |
| MeeGo | meego |
| Desktop | desktop |
| Television | television |
| Orientation | JavaScript Method |
| Landscape | device.landscape() |
| Portrait |
device.portrait() |
原文：http://www.cnblogs.com/zhengjialux/p/6286498.html