nginx增加如下配置，根据ua和cookie判断当前是移动端还是pc端访问
location/{
#默认PC端访问内容
root/usr/local/website/web;
#如果是手机移动端访问内容
if($http_user_agent~"(MIDP)|(WAP)|(UP.Browser)|(Smartphone)|(Obigo)|(Mobile)|(AU.Browser)|(wxd.Mms)|(WxdB.Browser)|(CLDC)|(UP.Link)|(KM.Browser)|(UCWEB)|(SEMC\-Browser)|(Mini)|(Symbian)|(Palm)|(Nokia)|(Panasonic)|(MOT\-)|(SonyEricsson)|(NEC\-)|(Alcatel)|(Ericsson)|(BENQ)|(BenQ)|(Amoisonic)|(Amoi\-)|(Capitel)|(PHILIPS)|(SAMSUNG)|(Lenovo)|(Mitsu)|(Motorola)|(SHARP)|(WAPPER)|(LG\-)|(LG/)|(EG900)|(CECT)|(Compal)|(kejian)|(Bird)|(BIRD)|(G900/V1.0)|(Arima)|(CTL)|(TDG)|(Daxian)|(DAXIAN)|(DBTEL)|(Eastcom)|(EASTCOM)|(PANTECH)|(Dopod)|(Haier)|(HAIER)|(KONKA)|(KEJIAN)|(LENOVO)|(Soutec)|(SOUTEC)|(SAGEM)|(SEC\-)|(SED\-)|(EMOL\-)|(INNO55)|(ZTE)|(iPhone)|(Android)|(WindowsCE)|(Wget)|(Java)|(curl)|(Opera)")
root/usr/local/website/mobile;
indexindex.htmlindex.htm; 