``` location / { add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS'; add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization'; if ($request_method = 'OPTIONS') { return 204; } } ``` #### 参考来源: - [https://segmentfault.com/a/1190000012550346](https://segmentfault.com/a/1190000012550346)