验证码类
Java代码
- <?php
- class Captcha extends CCaptchaAction
- {
- public function run()
- {
- if (isset($_GET[self::REFRESH_GET_VAR])) // AJAX request for regenerating code
- {
- $code = $this->getVerifyCode(true);
- echo CJSON::encode(array(
- 'hash1' => $this->generateValidationHash($code),
- 'hash2' => $this->generateValidationHash(strtolower($code)),
- // we add a random 'v' parameter so that FireFox can refresh the image
- // when src attribute of image tag is changed
- 'url' => $this->getController()->createUrl($this->getId(), array('v' => uniqid())),
- ));
- } else{
- $this->renderImage($this->getVerifyCode(true)); //刷新页面时会调用这个，问题就出现在这，他调用
- }
- Yii::app()->end();
- }
- }
controller
Java代码
- public function actions()
- {
- return array(
- // captcha action renders the CAPTCHA image displayed on the contact page
- 'captcha'=>array(
- 'class'=>'Captcha',
- 'maxLength'=>4,
- 'minLength'=>4,
- 'width' => 100
- ),
- );
- }
html
Java代码
- <?php $this->widget('CCaptcha', array('showRefreshButton' => false, 'clickableImage' => true, 'imageOptions' => array('title' => '点击换图', 'style' => 'cursor:pointer;width: 110px; height: 35px;'))); ?>
