nginx手机用户访问跳转手机版与PC版页面

时间:2014-06-02 01:05来源:blog.51cto.com 作者:双鱼座小龙 的BLOG 举报 点击:

工作中为满足业务需要以及保证服务的可用性,配置的一些nginx跳转规则,与公司业务相关信息已经抹去,提供出来希望对大家有帮助。

 

1. 当后端服务器出现异常,响应码为500 501 502 503 504,请求转发到静态降级服务器,从而保证业务不至于完全无法访问,对于浏览型且实时性要求不高的站点非常有用。

app_servers:应用服务器,提供正常服务页面

shopwebstatic:静态服务器,提供定时爬取的静态页面

 

2.请求重试:

proxy_next_upstream           http_500  http_502  http_504 error timeout invalid_header;

 

3.根据user agent,cookie特定字段,将来源为PC版用户的请求转发到手机版页面或者恢复访问PC版本页面。

默认手机用户访问站点会跳转到手机版本,跳转判断依据是user agent,当用户点击访问电脑版本的时候,除了要判断用户的user agent外还需要判断用户的访问模式,通过cookie中特定字段的值来判断用户访问请求是到手机版本还是到PC版本。

 

mode=pc,mode标记用户的访问模式是PC版本,通过此cookie字段,可判断是否将user agent匹配智能手机字段的用户的请求转发到手机版本。

 

 

 

 
limit_conn_zone $server_name zone=limit:10m;
  upstream app_servers {
    server                        app_server01_ip:80 weight=1 max_fails=2;
    server                        app_server01_ip:80 weight=1 max_fails=2 backup;
  }
    upstream shopwebstatic {
    server shopwebstatic_server01_ip:80 weight=5;
    server shopwebstatic_server02_ip:80 weight=5;
    }
                                                                                                                                                                                   
  server {
    listen                        80;
    server_name                   qunying.liu.dianping.com;
    # config_apps_begin
    root                          /data/webapps/shops-web/shared/webroot;
    access_log                    logs/shops-web.access.log     main;
    error_log                     logs/shops-web.error.log      notice;
    # config_apps_end
    limit_conn limit              280; 
    proxy_next_upstream           http_500  http_502  http_504 error timeout invalid_header;
                                                                                                                                                                                 
    location / {
                                                                                                              
      proxy_intercept_errors on;
           location  ~* ^/shop/(\d+)/menu{
               set $mobile 0;
               set $shopid  $1;
               set $hostid 0;
               if ( $http_user_agent ~* "(Android|iPhone|Windows Phone)" ){
                   set  $mobile "${mobile}1";
               }
               if ( $host ~* "m\.dianping\.com" ){
                   set  $hostid "${hostid}1";
               }
                                                                                                                                                                                                 
              if ( $http_cookie !~* "mode=pc"){
                  set  $mobile "${mobile}1";
              }                         
                                                                                                                                                                                                 
               if ( $hostid = "01" ){
                   proxy_pass                http://app_servers/shop/$shopid/mobilemenu;
                   break;
                 }
               if ( $mobile = "011" ){
                   rewrite  ^/(.*)$  http://mobile-servers/$1 redirect;
                   break;
                 }
                   proxy_pass                http://app_servers;
                   break;
            }
           location  ~* ^/shop/(\d+)/dish-(.*){
               set $mobile 0;
               set $shopid  $1;
               set $dishurl $2;
               if ( $http_user_agent ~* "(Android|iPhone|Windows Phone)" ){
                   set  $mobile "${mobile}1";
               }                                                                                                          
              if ( $http_cookie !~* "mode=pc"){
                  set  $mobile "${mobile}1";
              }                         
                                                                                                                                                     
               if ( $mobile = "011" ){
                   rewrite  ^/(.*)$  http://mobile-servers/shop/$shopid/product-$dishurl redirect;
                   break;
                 }      
                   proxy_pass                http://app_servers;
                   break;
            }
           location  ~* ^/map/shop/(\d+)$ {
                      set $shopid  $1;      
                   rewrite  ^/(.*)$  http://www.servers/shop/$shopid/map permanent;
                   proxy_set_header Host "www.servers";
                   break;
            }
           location  ~* ^/shop/(\d+)(/map|/)?$ {
               set $mobile 0;
               if ( $http_user_agent ~* "(Android|iPhone|Windows Phone)" ){
                   set  $mobile "${mobile}1";
               }                                                                                                                    
              if ( $http_cookie !~* "mode=pc"){
                  set  $mobile "${mobile}1";
              }                         
                                                                                                              
               if ( $mobile = "011" ){
                   rewrite  ^/(.*)$  http://mobile-servers/$1 redirect;
                   break;
                 }         
                   proxy_pass                http://app_servers;
                   break;
            }                       
    # appserverfavcion
      location ~* ^.*/favicon.ico$ {
        root                      /data/webapps;
        expires                   30d;
        break;
      }
      if ( !-f $request_filename ) {
        proxy_pass                http://app_servers;
        break;
      }
    }
    error_page                    500 501 502 503 504 @shopstatic;
    location                      @shopstatic {
      access_log                  logs/shops-static-web.access.log       retry;
      proxy_pass                  http://shopwebstatic;
    }

 

2014.05.25 更新:

发现过去配置的规则中,由于未判断访问的主机名导致当一个应用同时被配置在pc和手机域名下,当访问pc版本域名跳转手机版本时会产生死循环重定向,如www(手机访问时)----自动跳转到m域名---m域名解析到应用会再根据user agent和cookie规则跳转一次m域名,然后陷入死循环。

 

在做域名跳转的时候,最好对域名做一个判断。

 
      location  ~* /mylist/{
        set $mobile 0;
        if ( $http_user_agent ~* "(Android|iPhone|Windows Phone|UC|Kindle)" ){
          set  $mobile "${mobile}1";
        }
        if ( $http_host !~ "m.dianping.com" ){
          set  $mobile "${mobile}2";
        }
        if ( $cookie_vmod !~ "pc" ){
          set  $mobile "${mobile}3";
        }
        if ( $mobile = "0123" ){
          rewrite  ^/(.*)$  http://m.dianping.com/$1 last;
          break;
        }
        proxy_pass                http://jboss8080;
        break;
      }

 

本文出自 “从菜鸟到老鸟” 博客,请务必保留此出处http://liuqunying.blog.51cto.com/3984207/1406952

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