自动路由到post或者get 的方法

TestController.class.php

use Think\Controller;
class TestController extends Controller {
  protected function _empty(){
    $act  = '';
    if(IS_POST) $act = 'post_';
    if(IS_GET)  $act = 'get_';
    $method = $act.ACTION_NAME;
    if(!method_exists($this,$method)) throw new \Exception('action not exists');
    $this->$method();
  }
  
  private function test(){
    //测试
  }
  
  private function post_test(){
    //测试
  }
  
  private function get_test(){
    //测试
  }
}