Nginx配置解决跨域问题

    server{
       listen 8080;
       server_name localhost;
 
       location / {
          root /test;
          index index.html index.htm;
 
          set $allow_cors 0;
          # 判断不为空
          if ($http_origin) {
          set $allow_cors 1;
          }
          # 判断不在白名单内
          if ($http_origin !~* "(10.10.10.10|www.abc.com|11.11.11.11)" ) {
          set $allow_cors "${allow_cors}1";
          }
          # 判断不为空 且 不在白名单内，返回403
          if ($allow_cors = "11") {
          return 403;
          }
 
       }
       location /api {
          proxy_pass http://10.123.123.123:1200/api;
          client_max_body_size 30m;
          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 
            set $allow_cors 0;
            # 判断不为空
            if ($http_origin) {
            set $allow_cors 1;
             }
            # 判断不在白名单内
            if ($http_origin !~* "(10.10.10.10|www.abc.com|11.11.11.11)" ) {
            set $allow_cors "${allow_cors}1";
             }
            # 判断不为空 且 不在白名单内，返回403
            if ($allow_cors = "11") {
            return 403;
           }
 
       }
       error_page 500 502 503 504 /50x.html;
       location = /50x.html {
          root html;
       }
    }