Nginx反向代理配置POST请求的nginx.conf相关配置

说明:
  最近项目是是一个Webgl项目,包括前端(Webgl)+数据库,这里数据库我是用Node.js作为中间件封装GET和POST接口来操作数据库。还有一个点就是服务器只对外开放了一个端口。要想通过一个端口去处理多个接口的逻辑(Webgl用的是80端口,Node.JS监听用的是3000端口),这里使用的是Nginx反向代理,好多东西都没有用过,也是遇到了很多的问题。

  直接使用node.js封装好接口API测试GEt和POST请求无任何问题,加上Nginx后发现POST请求的表单数据到服务器后为null,说明前端的逻辑应该是没问题的,主要的解决在Nginx配置方面入手,先上前端测试的代码:

        //测试
        public void TestData(WWWForm form, Action<bool> callback)
        {
            StartCoroutine(TestData_IE(form, callback));
        }


        //使用了Nginx:http://1.117.228.127:80/updateData
        //不使用Nginx: http://1.117.228.127:3000/updateData
        IEnumerator TestData_IE(WWWForm form,Action<bool> callback)
        {
            using (UnityWebRequest request=UnityWebRequest.Post("http://1.117.228.127:80/updateData", form))
            {
                yield return request.SendWebRequest();

                if (!string.IsNullOrEmpty(request.error))
                    Debug.LogError(request.error);

                Debug.Log(request.downloadHandler.text);    
                if (request.downloadHandler.text=="true")
                {
                    callback(true);
                }
                else
                {
                    callback(false);
                }
            }
        }
    }

服务器相关
  服务器用的是Windows Server 2012R2,数据库使用的MySQL,这里我用的是PHPStudy集成环境的软件,对于我这样对后端不太熟悉的比较友好。这里是将Nginx服务启动起来。
Nginx反向代理配置POST请求的nginx.conf相关配置_第1张图片

  随后进行修改它对应的配置文件。点击打开Nginx根目录,找到conf文件夹然后进入找到nginx.conf这个文件,这个就是Nginx配置文件。

Nginx反向代理配置POST请求的nginx.conf相关配置_第2张图片
Nginx反向代理配置POST请求的nginx.conf相关配置_第3张图片

  开始对nginx.conf进行配置,代码中server部分是添加的相关配置。



#user  nobody;
worker_processes 4;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
     worker_connections 40960;
}

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;

	  server {
        listen       80;
        server_name  127.0.0.1;
		
        #charset koi8-r;

        #access_log  logs/host.access.log  main;
        location  /Test/ {
			proxy_pass  http://127.0.0.1:3000/Test/;
		}
		
        location  /updateData{
			proxy_pass  http://127.0.0.1:3000/updateData;
			proxy_redirect off;
            proxy_set_header Host $http_host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		}	
		
        location / {
        add_header 'Access-Control-Allow-Origin' $http_origin;
        add_header 'Access-Control-Allow-Credentials' 'true';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,web-token,app-token,Authorization,Accept,Origin,Keep-Alive,User-Agent,X-Mx-ReqToken,X-Data-Type,X-Auth-Token,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Max-Age' 1728000;
            add_header 'Content-Type' 'text/plain; charset=utf-8';
            add_header 'Content-Length' 0;
            return 204;
        }
            root   html;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

		# .unityweb类型文件添加gzip压缩头
	 
		# wasm使用gzip压缩,设置MIME type为application/wasm wasm
		location ~ \.js.gz$ {
			add_header  Content-Encoding  gzip;
			default_type application/javascript;
		}
		
		location ~ \.wasm.gz$ {
			add_header  Content-Encoding  gzip;
			default_type application/wasm;
		}
				
		location ~ \.data.gz$ {
			add_header  Content-Encoding  gzip;
			default_type application/octet-stream;
		} 
		
		location ~ \.symbols.json.gz$ {
			add_header  Content-Encoding  gzip;
		    default_type application/octet-stream;
		}
		## br support
		location ~ \.wasm.br$ {
			add_header  Content-Encoding  br;
			default_type application/wasm;
		}
		location ~ \.js.br$ {
			add_header  Content-Encoding  br;
			default_type application/javascript;
		}
		location ~ \.data.br$ {
			add_header  Content-Encoding  br;
			default_type application/octet-stream;
		}
		location ~ \.symbols.json.br$ {
			add_header  Content-Encoding  br;
		    default_type application/octet-stream;
		}
	}

    # 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;
    #    }
    #}
	#include vhosts.conf;
    map $time_iso8601 $logdate {
        '~^(?\\d{4}-\\d{2}-\\d{2})' $ymd;
        default                       'date-not-found';
    }
	include vhosts/*.conf;
    # 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;
    #    }
    #}

     client_max_body_size 50m;
     client_body_buffer_size 60k;
     client_body_timeout 60;
     client_header_buffer_size 64k;
     client_header_timeout 60;
     error_page 400 /error/400.html;
     error_page 403 /error/403.html;
     error_page 404 /error/404.html;
     error_page 500 /error/500.html;
     error_page 501 /error/501.html;
     error_page 502 /error/502.html;
     error_page 503 /error/503.html;
     error_page 504 /error/504.html;
     error_page 505 /error/505.html;
     error_page 506 /error/506.html;
     error_page 507 /error/507.html;
     error_page 509 /error/509.html;
     error_page 510 /error/510.html;
     
     keepalive_requests 100;
     large_client_header_buffers 4 64k;
     reset_timedout_connection on;
     send_timeout 60;
     sendfile_max_chunk 512k;
     server_names_hash_bucket_size 256;
}
     worker_rlimit_nofile 100000;

  这里配置就是外界监听80端口,外界用户访问80端口相关请求,如http://1.117.228.127:80/Test,Nginx会自动转向http://127.0.0.1:3000/Test 这个GET请求,因为开头需求是只对外界开放一个端口,这里就实现了对外开放一个80端口,然后进行反向代理。

Nginx反向代理配置POST请求的nginx.conf相关配置_第4张图片

遇到的问题:
  Nginx反向代理对POST请求的表单数据,服务器打印测试一直为null

  这是一开始的简单配置

 		location  /Test/ {
			proxy_pass  http://127.0.0.1:3000/Test/;
		}
		
        location  /updateData/{
			proxy_pass  http://127.0.0.1:3000/updateData;
		}	

  修改后的配置,这里修改了两点,然后POST成功。
    第一、location /updateData 后面的/,去掉
    第二、加了一些设置

 		location  /Test/ {
			proxy_pass  http://127.0.0.1:3000/Test/;
		}
		
        location  /updateData{
			proxy_pass  http://127.0.0.1:3000/updateData;
			proxy_redirect off;
            proxy_set_header Host $http_host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		}	

proxy_redirect 该指令用来修改被代理服务器返回的响应头中的Location头域和“refresh”头域。
proxy_set_header 用来重定义发往后端服务器的请求头, 当Host设置为$http_host时,则不改变请求头的值。

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