mi/autoload.php

<?php
define('MiPush_Root', dirname(__FILE__) . '/');
function mipushAutoload($classname) {
    $parts = explode('\\', $classname);
    $path = MiPush_Root . implode('/', $parts) . '.php';
    if (file_exists($path)) {
        include($path);
    }
}
// message1 演示自定义的点击行为
spl_autoload_register('mipushAutoload');