nginx反向代理和跨域

server
{
listen 80;
#listen [::]:80;
server_name weather.xxx.com ;
index index.html index.htm index.php default.html default.htm default.php;

    include none.conf;
    #error_page   404   /404.html;

    location / {
                add_header 'Access-Control-Allow-Origin' "*";
                add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, PATCH, DELETE';
                add_header 'Access-Control-Allow-Credentials' 'true';
                add_header 'Access-Control-Allow-Headers' 'x-access-token,content-type,token,x-request-id';
                proxy_pass http://xx.cn;
                proxy_set_header "Referer" "http://xx.cn";    
    }

    location ~ /\.
    {
        deny all;
    }

    access_log off;
}