nginx 配置跨域 cors

    server {    
         listen       80;
         server_name  www.uerp.pp m.uerp.pp;
         
         location / {
                root   D:/web/uerp/public;
                index  index.html index.htm default.html default.htm index.php default.php app.php u.php;
                try_files $uri $uri/ /index.php?$query_string;
         }
         
         location ~ ^.+\.php {
                root   D:/web/uerp/public;
                fastcgi_pass   127.0.0.1:9000;
                fastcgi_index  index.php;
                fastcgi_split_path_info  ^((?U).+\.php)(/?.+)$;
                fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
                fastcgi_param  PATH_INFO  $fastcgi_path_info;
                fastcgi_param  PATH_TRANSLATED  $document_root$fastcgi_path_info;
                include        fastcgi_params;
                
                #开始配置跨域
                if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' '*' always;
                add_header 'Access-Control-Allow-Methods' 'GET,POST,OPTIONS,PUT,DELETE' always;
                add_header 'Access-Control-Allow-Headers' '*' always;
                add_header 'Access-Control-Max-Age' 1728000 always;
                add_header 'Content-Length' 0;
                add_header 'Content-Type' 'text/plain; charset=utf-8';
                return 204;
                }
                if ($request_method ~* '(GET|POST|DELETE|PUT)') {
                add_header 'Access-Control-Allow-Origin' '*' always;
                }
            }
        }