Nginx的跨域配置

写在server指令快中：

#允许跨域请求的域，*代表所有 add_header 'Access-Control-Allow-Origin' *;

#允许带上cookie请求 add_header 'Access-Control-Allow-Credentials' 'true';

#允许请求的方法，比如 GET/POST/PUT/DELETE add_header 'Access-Control-Allow-Methods' *;

#允许请求的header add_header 'Access-Control-Allow-Headers' *;