public function actions(){
return array (
‘captcha’=> array(
‘class’=> ‘CCatpchaAction’,
‘height’=> 25,
‘width’=>80,
‘minLength’=>4,
‘maxLength’=>4
)
);

在视图中:
(1)普通写法:
<?php $this->widget('CCaptcha')?>
(2)带有点击刷新:
<?php $this->widget('CCaptcha',array('showRefreshButton'=>false,'clickableImage'=>true,'imageOptions'=>array('alt'=>'点击换图','title'=>'点击换图','style'=>'cursor:pointer'))); ?>

 

显示错误信息:
<?php echo $form->error(‘模型’,’name名’)?>

 

修改核心类:
在framework/web/widgets/captcha/CCaptchaAction.php
修改run方法里面:
$this->renderImage($this->getVerifyCode(TRUE));

 

设置验证规则:
在loginForm.php的rules方法里:
array(‘name值’,’captcha’,’错误信息);
array(‘verify’,’ captcha’,’message’=>’验证码错误’);

触发验证:
$loginForm->attributes = $_POST[‘LoginForm’];
$loginForm->validate();

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