yii2 验证码

来源：互联网发布：数控编程方法有哪两种编辑：程序博客网时间：2024/04/26 00:51

1111、model

<?phpnamespace frontend\models;use yii;use yii\base\model;class Tu extends Model{    public $verifyCode;    public $username;    public $password;    public function rules()    {        return [            ['username','required'],            ['password','required'],            ['verifyCode', 'required'],            ['verifyCode', 'captcha'],        ];    }    public function atrributeLabels(){        return array(            'verifyCode'=>'验证码',        );    }}2222、controller<?phpnamespace frontend\controllers;use yii;use yii\web\Controller;use frontend\models\Tu;class TuController extends Controller{    public function actionIndex(){        $model = new Tu();        return $this->render('login', ['model' => $model]);    }}
3333.view
<?phpuse yii\helpers\Html;use yii\widgets\ActiveForm;use yii\captcha\Captcha;$form = ActiveForm::begin([    'id' => 'login-form',    'options' => ['class' => 'form-horizontal'],]) ?><?= $form->field($model, 'username') ?><?= $form->field($model, 'password')->passwordInput() ?><?= $form->field($model, 'verifyCode')->widget(Captcha::className(), [    'template' => '<div class="row"><div class="col-lg-3">{image}</div><div class="col-lg-6">{input}</div></div>',]) ?>    <div class="form-group">        <div class="col-lg-offset-1 col-lg-11">            <?= Html::submitButton('Login', ['class' => 'btn btn-primary']) ?>        </div>    </div><?php ActiveForm::end() ?>

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