Ngginx 根据UA处理

nginx的  代码:      #   set $flag 0;           #   if ($http_user_agent ~* "360Spider|Baiduspider|Baiduspider-render|Googlebot-Mobile|Googlebot-Image|Mediapartners-Google|Adsbot-Google|Feedfetcher-Google|Bingbot|MSNBot|YisouSpider|Sosospider|Sogou spider|Sogou web spider|Bytespider"){           #           set $flag "${flag}1";           #   }           #   if ($http_user_agent !~* "mobile|nokia|sony|ericsson|mot|samsung|htc|sgh|lg|sharp|sie-|philips|panasonic|alcatel|lenovo|iphone|ipod|blackberry|meizu|android|netfront|symbian|ucweb|windowsce|palm|operamini|operamobi|openwave|nexusone|cldc|midp|wap") {           #   set $flag "${flag}2";           # }           #   if ($flag = "01") {           #       #return 503;           #   }           #   if ($flag = "02") {           #       return 503;           #   }    把# 去掉