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。