最近需要用到验证码,搜索了很多关于Yii2验证码的切换的介绍,下面我来记录一下,有需要了解Yii2下验证码的切换的朋友可参考。希望此文章对各位有所帮助。
模型代码如下:
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<?php namespace app\admin\models; use yii; use yii\base\model; use yii\captcha\Captcha; class LoginForm extends Model{ public $verifyCode ; public $password ; public $username ; public function rules(){ return [ [ 'verifyCode' , 'captcha' , 'captchaAction' => '/admin/login/captcha' , 'message' => '{attribute}' ], [[ 'password' , 'username' ], 'required' ], ]; } } |
控制器代码如下:
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<?php namespace app\admin\controllers; use Yii; use yii\web\Controller; use app\admin\models\LoginForm; use yii\filters\AccessControl; use yii\filters\VerbFilter; use yii\captcha\CaptchaAction; class LoginController extends Controller{ public function actions(){ return [ 'captcha' => 'yii\captcha\CaptchaAction' , 'maxLength' =>4, 'minLength' =>3, 'width' =>10, 'height' =>10 ]; } public function actionIndex(){ $log = new LoginForm(); return $this ->renderPartial( "index" ,[ 'model' => $log ]); } //授权规则 } |
视图代码如下:
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<?php use yii\helpers\Html; use yii\bootstrap\Nav; use yii\bootstrap\NavBar; use yii\widgets\Breadcrumbs; use app\assets\AppAsset; use yii\widgets\ActiveFiel; use yii\widgets\ActiveForm; use yii\captcha\Captcha; use app\components\HelloWidget; //url 创建 use yii\helpers\Url; AppAsset::register( $this ); ?> <?php $this ->beginPage()?> <!DOCTYPE html> <html> <head> <title>博客后台管理系统</title> <meta charset= "utf-8" > <meta http-equiv= "X-UA-Compatible" content= "IE=edge,chrome=1" /> <?=Html::cssFile( '@web/css/bootstrap.min.css' )?> <?=Html::cssFile( '@web/css/style.css' )?> <?=Html::jsFile( "@web/js/jquery-1.11.3.min.js" );?> <?=Html::jsFile( "@web/js/bootstrap.min.js" );?> <?php ?> </head> <?php $this ->beginBody()?> <body> <div class = "login-box" > <div class = "login" > <div class = "login-icon" > </div> <h4 class = "login-title" >博客后台管理系统</h4> <?php $form =ActiveForm::begin([ 'method' => 'post' , 'action' => \Yii:: $app ->urlManager->createUrl( '/admin/login/index' )])?> <div class = "login-input-box mb10" > <input type= "text" class = "form-control" name= "username" placeholder= "用户名" > </div> <div class = "login-input-box mb10" > <input class = "form-control" type= "password" name= "password" placeholder= "密码" > </div> <div class = "login-input-box mb30" > <input class = "form-control" type= "text" name= "code" placeholder= "验证码" > <span class = "login-code" > <img id= "code_img" src= "<?= Url::toRoute('/admin/login/captcha')?>" title= "点击刷新验证码" onClick= "get_code(this);" > </span> </div> <input class = "inputbtn bg-success btn-block" type= "submit" value= "登 录" > <?php ActiveForm:: end ();?> </div> </div> <script type= "text/javascript" > //刷新验证码 function get_code(obj) { if (!obj) { obj = document.getElementById( 'code_img' ); } obj.src = obj.src + "&t=" + Date .parse( new Date ()); } </script> </body> <?php $this ->beginBody()?> </html> <?php $this ->endPage()?> |
这里整个代码差不多了但是要设置一样更重要的 app/vendor/yiisoft/yii2/captcha/的文件下的CaptchaAction.php这文件中修改getVerifyCode($regenerate = false) 的方法$regenerate参数为true (getVerifyCode($regenerate = true))
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.yiichina.com/tutorial/801