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 配置nginx,注意加粗就是需要加的server配置信息:  
 
 客户端发起协议升级的请求,而nginx在拦截时需要识别出这是一个协议升级(upgrade)的请求,所以必须显式设置升级(Upgrade head)和连接头(Connection head)。  
  
server {  listen 7669;  server_name onlineVisitHttpServer;  location / {  proxy_http_version 1.1;  proxy_pass_header Server;  proxy_set_header Host $http_host;  proxy_set_header X-Real-IP $remote_addr;  proxy_set_header X-Forwarded-Proto $scheme;  proxy_pass http://127.0.0.1:7701;  proxy_set_header Connection $connection_upgrade;  proxy_set_header Upgrade $http_upgrade;  }  }  配置完这些还要配置http配置:  
 
 map 代码段该作用主要是根据客户端请求中 $http_upgrade 的值,来构造改变 $connection_upgrade 的值,即根据变量 $http_upgrade 的值创建新的变量 $connection_upgrade。  
  
http {  include mime.types;  default_type application/octet-stream;  map $http_upgrade $connection_upgrade {//把这些加进去  default upgrade;  ‘’ close;  }  #access_log logs/access.log main;  sendfile on;  #tcp_nopush on; 
                
                
                
        
        
    
  
 
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