1.Model中Code.php
<?php
/**
* Created by PhpStorm.
* User: moka同学
* Date: 2016/07/25
* Time: 10:48
*/
namespace app\models; use yii\base\Model; class Code extends Model{
public $verifyCode; public function rules()
{
return [
['verifyCode','captcha','captchaAction'=>'code/captcha','message'=>'验证码错误！']
];
}
}
?>
2.控制器中CodeController.php
<?php
/**
* Created by PhpStorm.
* User: moka同学
* Date: 2016/07/25
* Time: 10:46
*/
namespace app\controllers; use app\models\Code;
use yii\web\Controller; class CodeController extends Controller{
public function actions()
{
return [
//验证码
'captcha'=>[
//验证码类
'class'=>'yii\captcha\CaptchaAction',
'maxLength'=>6, //生成验证码的长度最大为4
'minLength'=>4, //生成最小个数4
'width' =>80, //宽度
'height'=>40
]
];
} public function actionIndex(){
$code = new Code();
if(\Yii::$app->request->isPost){
//验证码验证
if($code->validate()){
echo "验证通过";
}else{
var_dump($code->getErrors());
}
} return $this->render('index',['model'=>$code]); }
}
?>
3.视图index.php
<?php
use \yii\helpers\Html;
use \yii\captcha\Captcha;
echo $this->render('@app/views/public/testNav');
?>
<?=Html::beginForm("",'post',['class'=>'forms'])?>
<?=Captcha::widget([
'model'=>$model, //Model
'attribute'=>'verifyCode',//字段
'captchaAction'=>'code/captcha',//验证码的action 与 Model 是对应的,code/captcha
'template'=>'{input}{image}', //模版，可以自定义
'options'=>[
//input 的Html属性配置
'class'=>'input verifycode',
'id'=>'verifyCode'
],
'imageOptions'=>[
//image的Html属性
'class'=>'imagecode',
'alt'=>'点击图片刷新'
]
]);?>
<?=Html::submitButton("提交",['class'=>'submit'])?>
<?=Html::endForm();?>