[英]Model method "addError" doesn't work in yii2
我已經在 yii2 中構建了一個自定義的登錄表單,源代碼如下所示:
<?php
/* @var $this yii\web\View */
/* @var $form yii\bootstrap\ActiveForm */
/* @var $model app\models\LoginForm */
use yii\helpers\Html;
use yii\bootstrap\ActiveForm;
use yii\captcha\Captcha;
$this->title = 'Login';
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="card-body login-card-body">
<p class="login-box-msg">Вход</p>
<?php $form = ActiveForm::begin([
'id' => 'login-form',
'layout' => 'horizontal',
'method' => 'post',
'fieldConfig' => [
'options' => [
'tag' => false,
],
'template' =>'{input}'
],
]); ?>
<div class="form-group has-feedback">
<?= $form->field($model, 'username')->textInput(['class' => 'form-control',
'placeholder' => 'Логин']); ?>
<span class="fa fa-user form-control-feedback"></span>
<p class="help-block help-block-error "></p>
</div>
<div class="form-group has-feedback">
<?= $form->field($model, 'password')->passwordInput(['class' => 'form-control',
'placeholder' => 'Пароль']); ?>
<span class="fa fa-lock form-control-feedback"></span>
<p class="help-block help-block-error "></p>
</div>
<div class="row">
<div class="col-8">
<?= $form->field($model, 'captcha')->widget(Captcha::className(),
['captchaAction' => 'panel/captcha','template' => '<div class="captcha_img"><a href="#">{image}</a>
</div>'
. 'Капча{input}',
])->label(FALSE); ?>
</div>
</div>
<br>
<div class="row">
<div class="col-8">
<div class="checkbox icheck">
<label>
<input type="checkbox"> Запомнить
</label>
</div>
</div>
<!-- /.col -->
<div class="col-4">
<?= Html::submitButton('Вход', ['class' => 'btn btn-primary btn-block btn-flat',
'name' => 'login-button']) ?>
</div>
<!-- /.col -->
</div>
<?php ActiveForm::end(); ?>
</div>
如您所見,我已將 ActiveForm 剝離了自動生成的標簽,並剝離了標簽。 我有一個來自 yii2-base-app 的標准表單模型,它處理身份驗證模型:
<?php
namespace app\models;
use Yii;
use yii\base\Model;
/**
* LoginForm is the model behind the login form.
*
* @property User|null $user This property is read-only.
*
*/
class LoginForm extends Model
{
public $username;
public $password;
public $rememberMe = true;
public $captcha;
private $_user = false;
/**
* @return array the validation rules.
*/
public function rules()
{
return [
// username and password are both required
[['username', 'password','captcha'], 'required'],
// rememberMe must be a boolean value
['rememberMe', 'boolean'],
// password is validated by validatePassword()
['password', 'validatePassword'],
['captcha', 'captcha', 'captchaAction'=> 'panel/captcha']
];
}
/**
* Validates the password.
* This method serves as the inline validation for password.
*
* @param string $attribute the attribute currently being validated
* @param array $params the additional name-value pairs given in the rule
*/
public function validatePassword($attribute, $params)
{
if (!$this->hasErrors()) {
$user = $this->getUser();
if (!$user || !$user->validatePassword($this->password)) {
$this->addError($attribute, 'Incorrect username or password.');
}
}
}
/**
* Logs in a user using the provided username and password.
* @return bool whether the user is logged in successfully
*/
public function login()
{
if ($this->validate()) {
return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600*24*30 : 0);
}
return false;
}
/**
* Finds user by [[username]]
*
* @return User|null
*/
public function getUser()
{
if ($this->_user === false) {
$this->_user = User::findByUsername($this->username);
}
return $this->_user;
}
}
登錄工作正常,但是$this->addError($attribute, 'Incorrect username or password.');
這條線並沒有真正起作用。 當調試器點擊它時,瀏覽器中什么也沒有發生,如果我輸入無效登錄/傳遞沒有添加到輸入的錯誤消息。 我怎樣才能解決這個問題?
這是罪魁禍首: 'template' =>'{input}'
。 請參閱Yii 2 文檔。
定義template
后,以下內容:
<?= $form->field($model, 'password')->passwordInput(['class' => 'form-control', 'placeholder' => 'Пароль']); ?>
是你所需要的全部。 您嘗試在視圖文件上定義的標記將為您呈現。
$this->validate()
方法在驗證之前清除所有自定義錯誤。
向該方法添加 false 參數,如下所示:-
$this->validate(null, false)
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