Nginx怎么配置域名重写和泛域名解析

#user nobody;worker_processes 1; #error_log logs/error.log;#error_log logs/error.log notice;#error_log logs/error.log info; #pid  logs/nginx.pid;  events { worker_connections 1024;}  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 on;  #设置允许发布内容为8m client_max_body_size 20m; client_body_buffer_size 512k;  add_header access-control-allow-origin *;  add_header access-control-allow-headers x-requested-with;  add_header access-control-allow-methods get,post,options;   server {  listen  80;  server_name www.xxx.com;  location / {  proxy_pass http://127.0.0.1:8080;  proxy_set_header host $host;  proxy_set_header x-real-ip $remote_addr;  proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for;  }  }  server {  listen  80;  server_name www.aaa.com;  location / {  proxy_pass http://127.0.0.1:9989;  proxy_set_header host $host;  proxy_set_header x-real-ip $remote_addr;  proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for;  }  }   #泛域名解析 server {  listen  80;  server_name *.web.yuyuyun.cn;  location / {  # 泛域名开始配置 if ( $host ~* (.*).(.*).(.*).(.*) ) { set $domain $1; #获取当前的 域名前缀 } proxy_pass http://127.0.0.1:1119/$domain/;  proxy_set_header host $host;  proxy_set_header x-real-ip $remote_addr;  proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for;  }   }  }