最近項目中涉及到舊老項目遷移,須要在nginx上作些配置,因此簡單學習了下,好記性不如爛筆頭,先記下來。html
首先查看下nginx是否支持rewrite:node
./nginx -V
不支持說明安裝nginx時候缺乏pcre,須要從新安裝nginx:nginx
#安裝pcre wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.34.tar.gz tar -zxvf pcre-8.34.tar.gz cd pcre-8.34 ./configure make make install #安裝nginx cd nginx-1.0.12 ./configure --conf-path=/usr/local/nginx/conf/nginx.conf \ --pid-path=/usr/local/nginx/nginx.pid \ --with-http_ssl_module \ --with-pcre=/usr/local/src/pcre-8.34 \ make make install #啓動nginx ./nginx #重啓nginx ./nginx –s reload
示例:正則表達式
好比現有以下的nginx配置:app
worker_processes 24; #worker_cpu_affinity 0000000000000001; worker_rlimit_nofile 65535; error_log logs/error.log crit; pid logs/nginx.pid; events { use epoll; worker_connections 2048000; } http { include mime.types; default_type application/octet-stream; charset utf-8; sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 60; client_max_body_size 10m; client_body_buffer_size 128k; upstream log { server 192.168.80.147:8338; } server { listen 6061; server_name 192.168.71.51; location / { proxy_pass http://log; proxy_redirect off; proxy_set_header Host $host; proxy_set_header Remote_Addr $remote_addr; proxy_set_header X-REAL-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } log_format log '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log logs/access_log.log log; #設定查看Nginx狀態的地址 location /NginxStatus { #stub_status on; access_log on; auth_basic "NginxStatus"; #auth_basic_user_file conf/htpasswd; } } }
如今須要做以下的重定向:tcp
192.168.71.51/log.aspx –> 192.168.80.147:8338/log 192.168.71.51/do.aspx –> 192.168.80.147:8338/do 192.168.71.51/uplog.aspx –> 192.168.80.147:8338/log
能夠以下配置:學習
…… server { listen 6061; server_name 192.168.71.51; rewrite ^(.*)(?i)uplog.aspx(.*)$ $1log$2 break; rewrite ^(.*)(?i)log.aspx(.*)$ $1log$2 break; rewrite ^(.*)(?i)do.aspx(.*)$ $1do$2 break; location / { proxy_pass http://log; proxy_redirect off; proxy_set_header Host $host; proxy_set_header Remote_Addr $remote_addr; proxy_set_header X-REAL-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } ……
關於這裏的rewrite配置主要說明如下幾點:url
關於nginx的rewrite詳細用法能夠參考詳細參考文檔:http://blog.cafeneko.info/2010/10/nginx_rewrite_note/(很詳細)spa
實際開發中常常有根據請求參數來路由到不一樣請求處理者的狀況,根據POST請求參數須要些nginx插件,這裏主要簡單介紹下如何根據GET參數來路由。插件
仍是上面的配置文件。好比咱們但願訪問http://192.168.71.51:6061/do1.aspx?t=1212&c=uplog當url中的參數c爲config或uplog的時候(忽略大小寫)咱們路由到其餘地方:
首先增長一個upstream,好比:
…… upstream other { server 192.168.71.41:2210; } ……
而後在location裏增長以下的判斷便可:
…… location / { if ( $query_string ~* ^(.*)c=config\b|uplog\b(.*)$ ){ proxy_pass http://other; } ……
關鍵是標紅的行,$query_string表示url參數,後面是標準的正則匹配,須要的注意的是nginx中if有不少限制,語法很苛刻,具體參看上面的文檔。
很簡單卻很實用的配置,但願能幫到正在找這方面信息的同窗。