加入下面的配置, 主要配置允許跨域訪問，以及設定代理Cookie，

重點引數：proxy_set_header Cookie / Access-Control-Allow-Origin/ Access-Control-Allow-Credentials

location / {

   proxy_pass http://www.baidu.com

   proxy_set_header Cookie 'XXXXXXXXXXX';

   set $origin '*';

   add_header 'Access-Control-Allow-Origin' $origin;
   add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';

   add_header 'Access-Control-Allow-Credentials' 'true';

   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;
   }

   if ($request_method = 'POST' || $request_method = 'GET') {
      add_header 'Access-Control-Allow-Headers' 'Cookie,Set-Cookie,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
    }

}