server {
    ....
    location /335774.txt { 
        alias /data/www/335774.txt;
    }

    location /3351327774.txt { 
        alias /dataN/www/default/3351327774.txt;
    }

    location /3351327774.txt { 
        alias ./3351327774.txt;  #指向目录 /usr/local/openresty/nginx/
    }
}