跨域

允许所有域请求

server {
    listen       80;
    server_name  inf.netkiller.cn;

    charset utf-8;
    access_log  /var/log/nginx/inf.netkiller.com.access.log  main;
    error_log  /var/log/nginx/inf.netkiller.com.error.log;

    add_header Access-Control-Allow-Origin *;
    add_header Access-Control-Allow-Headers Content-Type,Origin;
    add_header Access-Control-Allow-Methods GET,OPTIONS;

	...
	...
}
			

允许特定的域请求

add_header Access-Control-Allow-Origin http://www.netkiller.com;