在nginx conf.d/目录下新建一个main.conf  配置该文件  进行代理 

   upstream rec{server 127.0.0.1:19356  ;keepalive 20000;}upstream rcv-module{server 10.0.2.198:8511  ;keepalive 20000;}
server {listen       80;server_name  **.**.com;#access_log  /var/log/nginx/host.access.log  main;location /rec {proxy_pass http://rec;proxy_http_version 1.1;proxy_set_header Connection "";proxy_connect_timeout 75;proxy_read_timeout 300;proxy_send_timeout 300;proxy_buffer_size 64k;proxy_buffers   4 64k;proxy_busy_buffers_size 128k;proxy_temp_file_write_size 128k;add_header  Cache-Control  max-age=no-cache;expires 0;}location /mi {proxy_pass http://rcv-module/v1;proxy_set_header Host $host;proxy_set_header X-Real-IP $remote_addr;proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;proxy_set_header X-Forwarded-Proto $scheme;# 添加以下跨域头add_header 'Access-Control-Allow-Origin' '*';add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';add_header 'Access-Control-Allow-Credentials' 'true';}}