目标：想在手机端判断是不是百度来源，根据百度来源在做策略跳转

判断条件

1.判断是手机、并且是手机百度网址来源。

2.判断是手机百度APP来源。

JS判断代码

1. //获取来源
2. var where = document.referrer,
3. //ua信息
4. sUserAgent = navigator.userAgent.toLowerCase();
5. //判断是百度来源并且是手机 或者 百度手机APP
6. if ((where.indexOf(".baidu.com/")> -1 && browserRedirect() ) || (where=='' && sUserAgent.indexOf('baiduboxapp/') >-1)){
7. location.href = "跳转的链接";
8. }
10. //判断手机
11. function browserRedirect() {
13. var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";
14. var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";
15. var bIsMidp = sUserAgent.match(/midp/i) == "midp";
16. var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
17. var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
18. var bIsAndroid = sUserAgent.match(/android/i) == "android";
19. var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
20. var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
21. return (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) ;
23. }