Zend_Captcha生成驗證碼實例

IndexCOntroller.php

 

<?php
class IndexController extends Zend_Controller_Action
{ 
    private $codeSession; //定義一個全局 Zend_Session_Namespace
 function init() //__construct 代替初始化函數
    {
        $this->registry = Zend_Registry::getInstance();
        $this->view = $this->registry['view'];
        $this->view->baseUrl = $this->_request->getBaseUrl();
           
    }
   
 /*
  * Action(動作)!
  */
 function indexAction()
    {
       $this->codeSession = new Zend_Session_Namespace('code'); //在默認構造函數裏實例化
       
        $captcha = new Zend_Captcha_Image(array('font'=>'./public/images/faktos.ttf',  //字體文件路徑
                 'fontsize'=>24,  //字號
                 'imgdir'=>'./public/images/code/',  //驗證碼圖片存放位置
                 'session'=>$this->codeSession,  //驗證碼session值
                 'width'=>120,  //圖片寬
                 'height'=>50,     //圖片高
                 'wordlen'=>5 ));  //字母數
                
        $captcha->setGcFreq(3); //設置刪除生成的舊的驗證碼圖片的隨機機率
        $captcha->generate(); //生成圖片
        $this->view->ImgDir = $captcha->getImgDir();
        $this->view->captchaId = $captcha->getId(); //獲取文件名，md5編碼
        $this->codeSession->code=$captcha->getWord(); //獲取當前生成的驗證字符串
       
      //  echo $this->codeSession->code;
      echo $this->view->render('index.html');
       
    }
   
   
 
}

 

index.html

 

 

<span id="captcha">
  <span id="captcha"><img src="<?php echo $this->baseUrl,$this->ImgDir,$this->captchaId ?>.png" border="0" />

</span>