反向代理（Reverse Proxy）方式是指以代理服务器来接受internet上的连接请求，然后将请求转发给内部网络上的服务器，并将从服务器上得到的结果返回给internet上请求连接的客户端，此时代理服务器对外就表现为一个反向代理服务器。

   upstream backend {#代理的IP weight权重大的，接收的访问量就大，反之server localhost:8084 weight=50;server localhost:8088 weight=50;}

# / 所有做负载均衡 + 反向代理location / {root   /data/wwwroot1;index  index.html index.htm;#索引文件proxy_pass   http://backend;}

#user  nobody;
# worker 工作进程  一般设置 CPU数 * 核数
worker_processes  1;#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;#pid        logs/nginx.pid;# 设置连接特性
events {worker_connections  1024;#1个worker产生多少个连接数
}# 配置HTTP服务器的主要段
http {include       mime.types;default_type  application/octet-stream;log_format  main  '$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  main;sendfile        on;#tcp_nopush     on;#keepalive_timeout  0;keepalive_timeout  65;#gzip压缩功能设置gzip on;gzip_min_length 1k;gzip_buffers 4 16k;gzip_http_version 1.0;gzip_comp_level 6;gzip_types text/plain text/css text/javascript application/json application/javascript application/x-javascript application/xml;gzip_vary on;#设定负载均衡后台服务器列表upstream backend {#代理的IP weight权重大的，接收的访问量就大，反之server localhost:8084 weight=50;server localhost:8088 weight=50;}server {listen       2022;server_name  localhost;charset utf-8;access_log  logs/wwwroot2.access.log main;location / {root   /data/wwwroot2;index  index.html index.htm;#索引文件}}# 虚拟主机段server {listen       80;server_name  localhost;root /data/wwwroot1;charset utf-8;#访问日志 access_log  logs/wwwroot1.access.log main;# / 所有做负载均衡 + 反向代理location / {root   /data/wwwroot1;index  index.html index.htm;#索引文件proxy_pass   http://backend;}error_page  404              /404.html;# redirect server error pages to the static page /50x.html#error_page   500 502 503 504  /50x.html;location = /50x.html {root   html;}# proxy the PHP scripts to Apache listening on 127.0.0.1:80##location ~ \.php$ {#    proxy_pass   http://127.0.0.1;#}# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000##location ~ \.php$ {#    root           html;#    fastcgi_pass   127.0.0.1:9000;#    fastcgi_index  index.php;#    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;#    include        fastcgi_params;#}# deny access to .htaccess files, if Apache's document root# concurs with nginx's one##location ~ /\.ht {#    deny  all;#}}# another virtual host using mix of IP-, name-, and port-based configuration##server {#    listen       8000;#    listen       somename:8080;#    server_name  somename  alias  another.alias;#    location / {#        root   html;#        index  index.html index.htm;#    }#}# HTTPS server##server {#    listen       443 ssl;#    server_name  localhost;#    ssl_certificate      cert.pem;#    ssl_certificate_key  cert.key;#    ssl_session_cache    shared:SSL:1m;#    ssl_session_timeout  5m;#    ssl_ciphers  HIGH:!aNULL:!MD5;#    ssl_prefer_server_ciphers  on;#    location / {#        root   html;#        index  index.html index.htm;#    }#}}