ZZCX_yii/backend/controllers/SiteController.php

<?php

namespace backend\controllers;

use common\models\LoginForm;
use Yii;
use yii\web\Controller;
use yii\filters\AccessControl;
use yii\web\HttpException;

/**
 * Site controller
 */
class SiteController extends Controller
{
    public $enableCsrfValidation = false;
    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'actions' => ['login', 'error', 'logout'],
                        'allow' => true,
                    ],
                    [
                        'actions' => ['logout', 'index', 'logout-yii'],
                        'allow' => true,
                        'roles' => ['@'],
                    ],
                ],
            ],
        ];
    }

    /**
     * @inheritdoc
     */
    public function actions()
    {
        return [
//            'error' => [
//                'class' => 'yii\web\ErrorAction',
//                'view' => '@backend/views/site/error.php'
//            ],
        ];
    }

    /**
     * Displays homepage.
     *
     * @return string
     */
    public function actionIndex()
    {
        return $this->goHome();
    }

    /**
     * Login action.
     *
     * @return string
     */
    public function actionLogin()
    {
        $uri = explode('.', $_SERVER['HTTP_HOST']);
        $sub_domain = $uri[0];
        if ($sub_domain !== 'hotel') {  //域名不是酒店，都跳转到cs登录
            return $this->redirect('http://' . CS_DOMAIN);
        } else {

            $this->layout = 'full';
            if (!Yii::$app->user->isGuest) {
                return $this->goHome();
            }
            $model = new LoginForm();
            if ($model->load(Yii::$app->request->post()) && $model->login()) {
                $cookies = Yii::$app->response->cookies;
                $cookies->add(new \yii\web\Cookie([
                    'name' => 'home_page_show',
                    'value' => 'hide',
                ]));
                $cookies->add(new \yii\web\Cookie([
                    'name' => 'user_id',
                    'value' => Yii::$app->user->id,
                ]));
                return $this->goHome();
            } else {
                if(Yii::$app->request->isPost)
                    Yii::$app->session->setFlash('error', $model->getFirstErrors());
                return $this->render('login', [
                    'model' => $model,
                ]);
            }

        }
    }

    /**
     * Logout action.
     * 退出后，全部跳转到cs的登录页
     *
     * @return string|null
     */
    public function actionLogout($cs = '')
    {
        if(Yii::$app->user->identity != null)
            Yii::$app->user->logout();
        $session = Yii::$app->session;
        $session->destroy();
        if($cs === '')
            return $this->redirect('http://' . CS_DOMAIN);
        else{
            return null;
        }
    }

    public function actionLogoutYii()
    {
        Yii::$app->user->logout();
        $session = Yii::$app->session;
        $session->destroy();
        return $this->goHome();
    }

    /**
     * @return string
     */
    public function actionError()
    {
        $this->layout = "@backend/modules/motorcade/views/layouts/iframe";
        $exception = Yii::$app->errorHandler->exception;
        if ($exception !== null) {
            //无权限的页面，其他错误不显示
            /* @var $exception HttpException */
            $code = $exception->statusCode;
            if ($code == 403) {
                $viewFile = 'error403';
            } else {
                $viewFile = 'error';
            }
            if (Yii::$app->request->isPjax || Yii::$app->request->isAjax) {
                return $this->renderPartial($viewFile . 'Pjax', ['exception' => $exception]);
            } else
                return $this->render($viewFile, ['exception' => $exception]);
        }
        return '';
    }
}