Nginx Gzip 压缩

http {
    gzip on;
    gzip_min_length 1k;
    gzip_buffers 4 16k;
    gzip_http_version 1.1;
    gzip_comp_level 9;
    gzip_types text/plain application/x-javascript text/css application/xml text/javascript application/x-httpd-php application/javascript application/json;
    gzip_disable "MSIE [1-6]\.";
    gzip_vary on;
}