nginx跨越问题

配置一下就可以

add_header Access-Control-Allow-Origin *;

 add_header Access-Control-Allow-Methods'GET,POST';

 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';