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<?php
/**
* 类的自动加载
*/
//include './class/Demo1.php';
//include './class/Demo2.php';
spl_autoload_register(function ($className){
require './class/'.$className.'.php';
//存在命名空间的情况下
// $className = str_replace("\\","/", $className);
// require './class/'.$className.'.php';
});
echo Demo1::CLASS_NAME, '<hr>';
echo Demo2::CLASS_NAME, '<hr>';点击 "运行实例" 按钮查看在线实例
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