前置和后置操作

D:\LearnWebDevelop\php\thinkphp_3.2.3_full\Application\Home\Controller\BfAftController.class.php

<?php
namespace Home\Controller;
use Think\Controller;
class BfAftController extends Controller{
    
    //前置操作方法
    public function _before_index(){
        echo 'before<br/>';
    }
    
    // http://localhost/thinkphp323/index.php/home/BfAft/index
    /*
     before
     index
     after 
     * */
    public function index(){
        echo 'index<br/>';
    }
    
    //后置操作方法
    public function _after_index(){
        echo 'after';
    }
    
    public function hello(){
        echo 'hello';
    }


}