Nginx解决跨域问题No 'Access-Control-Allow-Origin'

使用nginx在server块下的location块下为请求添加请求头来解决跨域

add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET,POST,DELETE';
add_header 'Access-Control-Allow-Header' 'Content-Type,*';