Nginx 添加 Cors 跨域配置

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  'token,DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,XRequested-With';