LNMP环境，伪静态

不考虑端口：

if (!-f $request_filename){
	set $rule_0 1$rule_0;
}
if (!-d $request_filename){
	set $rule_0 2$rule_0;
}
if ($rule_0 = "21"){
	rewrite /. /index.php;
}

考虑端口：

if (!-f $request_filename){
    set $rule_0 1$rule_0;
}
if (!-d $request_filename){
    set $rule_0 2$rule_0;
}
if ($rule_0 = "21"){
    rewrite ^/(.*)$ /index.php?$query_string;
}