求解释为什么这样的继承不可以
IndexAction.class.php
<?php
class IndexAction extends Action {
public function index(){
$indeModel = new IndexModel;
$indeModel -> res();
}
}
IndexMode.php
<?php
class IndexModel{
//回复多图文类型的微信消息
public function res(){
echo "hello";
}
}
