每一个server都要写
add_header Access-Control-Allow-Origin *;
3 add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS';
4 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';
这个吗