php think make:event User

<?php

namespace app\event;

class User
{
    public function __construct()
    {
        echo ‘<br>我是用户的登陆事件构造函数<br>‘;
    }
    
    public function login_event()
    {
        echo ‘我是login_event<br>‘;
    }
}

php think make:listener User 

<?php

namespace app\listener;

class User
{
    //依赖注入的方法
    public function handle(\app\event\User $event)
    {
        echo ‘listener监听得到:‘ . $event->login_event() . ‘<br>‘;
    }
}

use think\facade\Event;


    public function hellolisten($name = ‘ThinkPHP6‘)
    {

        echo ‘<br>hellolisten=‘ . $name;
        //监听类
        Event::listen(‘UserListener‘,‘app\listener\User‘); //也可以写到配置文件 event.php 的listen 数组
        //触发监听事件
        Event::trigger(‘UserListener‘);

    }

<?php

namespace app\listener;

class UserLogout
{
    public function handle()
    {
        echo ‘UserLogout监听‘;
    }
}

<?php

namespace app\listener;

class UserLogin
{
    public function handle()
    {
        echo ‘UserLogin监听‘;
    }
}

    public function hellolisten($name = ‘ThinkPHP6‘)
    {
        echo "开始位置<br>";
        //直接使用事件类触发
        Event::trigger(‘UserLogin‘);
        Event::trigger(‘UserLogout‘);
        echo "<br>结束位置<br>";
    }