解决宝塔 Nginx 跨域问题Access-Control-Allow-Origin+预检请求options
add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Credentials 'true'; add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS'; add_header Access-Control-Allow-Headers 'x-csrf-token,DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization'; if ($request_method = 'OPTIONS') { return 200; }