PHP博客,PHP编程

public function loginAction(){
        /**
         * ZendFramework身份验证...实例代码
         * @author:PHP博客-技术-资源-技术站-面向对象 
         */
        if ($this->getRequest()->isPost()){
            //过滤字符串种的标签
            $filter = array(
                'name' => 'StringTrim',
                'password'=>'StringTrim');
            
            $validation = array(
                'name' => array(array('StringLength',1,5)),//字符串底限长度与最高长度
                'password' => array(array('StringLength',1,64)));//字符串底限长度与最高长度
            
            $zfi = new Zend_Filter_Input($filter,$validation,$this->getRequest()->getPost());//开始验证
            
            if ($zfi->isValid()){//若验证通过,则执行下面程序
                
                $db = Zend_Registry::get('db');//获取db对象
                
                $adapter = new Zend_Auth_Adapter_DbTable($db,'name','name','password');
                
                $adapter->setIdentity($zfi->name)
                        ->setCredential($zfi->password);
                        
                $auth = Zend_Auth::getInstance();
                
                $result = $auth->authenticate($adapter);
                
                if ($result->isValid()){
                    
                    $auth->getStorage()->write($adapter->getResultRowObject());//保存数据,以便下一页接收改数据集
                    $this->getHelper('redirector')->goto('index','index');//重定向至index控制器下的index方法
                    
                } else {
                    
                    $this->getHelper('FlashMessenger')
                         ->addMessage("The login credentials provided are not valid");//发送错误信息
                         
                }
            } else {//若验证未通过,则执行下面程序
                    foreach ($zfi->getMessages() as $feild => $messages){
                        foreach ($messages as $message){
                            $this->getHelper('FlashMessenger')
                                 ->addMessage($feild.':'.$message);//发送错误信息
                        }
                    }
                    $this->getHelper('redirector')->goto('login');//重定向本层控制器的login方法
                }        
            }
            $this->view->messages = $this->getHelper('FlashMessenger')->getMessages();

    }