1.默认的路由 - base_router

http://test-server//index.php/{$app_name}/{$ctl_name}/{$act_name}/{$param_k1}/{$param_v1}/{$param_k2}/{$param_v2}/}

app: $app_name

控制器: $ctl_name

动作: $act_name

参数: array($param_k1=>$param_v1, $param_k2=>$param_v2)