tp5 跳转解析

<?php
    //在/think/library/think/Controller.php中

    //在基本控制器类外
    use traits\controller\Jump;

    //在基本控制器内
    use Jump;

    //在/think/library/traits/controller/Jump.php中
    /**
     * 用法：
     * load_trait('controller/Jump');
     * class index
     * {
     *     use \traits\controller\Jump;
     *     public function index(){
     *         $this->error();
     *         $this->redirect();
     *     }
     * }
     */
     ......