yii2.0实现验证用户名与邮箱功能

本文为大家分享了yii2.0实现验证用户名与邮箱功能的相关代码，具体内容如下

视图signup.php代码：

    <?php
    use yii\helpers\Html;
    use yii\bootstrap\ActiveForm;

    /* @var $this yii\web\View */
    /* @var $form yii\bootstrap\ActiveForm */
    /* @var $model \frontend\models\SignupForm */

    $this->title = '注册';
    $this->params['breadcrumbs'][] = $this->title;
    ?>
    <div class="site-signup">
     <h1><?= Html::encode($this->title) ?></h1>

     <p>Please fill out the following fields to signup:</p>

     <div class="row">
      <div class="col-lg-5">
       <?php $form = ActiveForm::begin([
        'id' => 'form-signup',
        'enableAjaxValidation' => true,
        'enableClientValidation' => true,
       ]); ?>

        <?= $form->field($model, 'username') ?>
        <?= $form->field($model, 'email') ?>
        <?= $form->field($model, 'password')->passwordInput() ?>
        <?= $form->field($model, 'password_compare')->passwordInput() ?>

        <div class="form-group">
         <?= Html::submitButton('Signup', ['class' => 'btn btn-primary', 'name' => 'signup-button']) ?>
        </div>

       <?php ActiveForm::end(); ?>
      </div>
     </div>
    </div>

控制器SiteController.php

    public function actionSignup()
     {
      $model = new SignupForm();

      $model->load($_POST);
      if (Yii::$app->request->isAjax) {
       Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
       return \yii\bootstrap\ActiveForm::validate($model);
      }

      if ($model->load(Yii::$app->request->post())) {
       if ($user = $model->signup()) {
        if (Yii::$app->getUser()->login($user)) {
         return $this->goHome();
        }
       }
      }

      return $this->render('signup', [
       'model' => $model,
      ]);
     }

模型SignupForm.php

    use common\models\User;
    use yii\base\Model;
    use Yii;

    /**
     * Signup form
     */
    class SignupForm extends Model
    {
     public $username;
     public $email;
     public $password;
     public $password_compare;

     /**
      * @inheritdoc
      */
     public function rules()
     {
      return [
       ['username', 'filter', 'filter' => 'trim'],
       ['username', 'required'],
       ['username', 'unique', 'targetClass' => '\common\models\User', 'message' => '用户名已存在.'],
       ['username', 'string', 'min' => 2, 'max' => 255],

       ['email', 'filter', 'filter' => 'trim'],
       ['email', 'required'],
       ['email', 'email'],
       ['email', 'unique', 'targetClass' => '\common\models\User', 'message' => '邮箱名已存在.'],

       [['password', 'password_compare'], 'required'],
       [['password', 'password_compare'], 'string', 'min' => 6, 'max' => 16, 'message' => '{attribute}是6-16位数字或字母'],
       ['password_compare', 'compare', 'compareAttribute' => 'password', 'message' => '两次密码不一致'],
      ];
     }

     /**
      * Signs user up.
      *
      * @return User|null the saved model or null if saving fails
      */
     public function signup()
     {
      if ($this->validate()) {
       $user = new User();
       $user->username = $this->username;
       $user->email = $this->email;
       $user->setPassword($this->password);
       $user->generateAuthKey();
       if ($user->save()) {
        return $user;
       }
      }

      return null;
     }
    }

以上就是本文的全部内容，帮助大家实现yii2.0验证功能。