components/Controller.php

<?php
/* *****************************************************************
 * @Author: wushuiyong
 * @Created Time : &#19968;  7/20 15:52:01 2015
 *
 * @File Name: components/Controller.php
 * @Description:
 * *****************************************************************/

namespace app\components;

use yii;

class Controller extends yii\web\Controller {

    /**
     * &#36820;&#22238;&#25104;&#21151;
     */
    const SUCCESS = 0;

    /**
     * &#36820;&#22238;&#22833;&#36133;
     */
    const FAIL    = -1;

    public $uid = null;

    /**
     * @param \yii\base\Action $action
     * @return bool
     */
    public function beforeAction($action) {
        parent::beforeAction($action);
        if (Yii::$app->user->id) {
            $this->uid = Yii::$app->user->id;
        }
        return true;
    }

    /**
     * json&#28210;&#26579;. PS:&#35843;&#29992;&#27492;&#26041;&#27861;&#20043;&#21069;&#33509;&#26377;&#36755;&#20986;&#23558;&#20250;&#20986;&#38169;
     *
     * @param mixed     $data
     * @param int       $code 0&#25104;&#21151; &#38750;0&#38169;&#35823;
     * @param string    $msg  &#38169;&#35823;&#20449;&#24687;
     * @param int       $option json_encode options
     */
    public static function renderJson($data, $code = self::SUCCESS, $msg = '', $option = 0) {
        Yii::$app->response->format = yii\web\Response::FORMAT_JSON;

        Yii::$app->response->data = [
            'code' => (int)$code,
            'msg'  => $msg,
            'data' => $data,
        ];;
        Yii::$app->end();
    }

    /**
     * &#33719;&#21462;&#21442;&#25968;&#65288;post/get&#65289;&#30340;&#20540;, &#20248;&#20808;&#32423;&#65306;post > get > default
     *
     * @param string $name &#21442;&#25968;&#21517;&#23383;
     * @param mixed  $default &#40664;&#35748;&#20540;
     * @return mixed
     */
    public static function getParam($name, $default = null) {
        $post = Yii::$app->request->post($name);
        $get  = Yii::$app->request->get($name);
        return isset($_POST[$name]) ? $post : (isset($_GET[$name]) ? $get : $default);
    }

    /**
     * &#38656;&#35201;&#39033;&#30446;&#31649;&#29702;&#21592;&#26435;&#38480;
     *
     * @throws \Exception
     */
    protected function validateAdmin() {
        if (!GlobalHelper::isValidAdmin()) {
            throw new \Exception(\yii::t('walle', 'you are not the manager'));
        }
    }
}