Zend Framework教程之连接数据库并执行增删查的方法

[general]
db.adapter=PDO_MYSQL //请开启PDO扩展
db.config.host=localhost //Mysql主机
db.config.username=root //用户名
db.config.password= //密码,我这里为空
db.config.dbname=zendoophp //数据库名

<?php
class Message extends Zend_Db_Table {
protected $_name ="message";
protected $_primary = 'id';
}

//配置数据库参数,并连接数据库 
$config=new Zend_Config_Ini('./application/config/config.ini',null, true); 
Zend_Registry::set('config',$config); 
$dbAdapter=Zend_Db::factory($config->general->db->adapter,
$config->general->db->config->toArray()); 
$dbAdapter->query('SET NAMES UTF8'); 
Zend_Db_Table::setDefaultAdapter($dbAdapter); 
Zend_Registry::set('dbAdapter',$dbAdapter);

class IndexController extends Zend_Controller_Action 
{ 
 function init() 
 { 
  $this->registry = Zend_Registry::getInstance(); 
  $this->view = $this->registry['view']; 
  $this->view->baseUrl = $this->_request->getBaseUrl(); 
 } 
 function indexAction() 
 {  
  $message=new message();//实例化数据库类 
  //这里给变量赋值,在index.phtml模板里显示 
  $this->view->bodyTitle = 'Hello World!'; 
  //取到所有数据.二维数组 
  $this->view->messages=$message->fetchAll()->toArray(); 
  //print_r( $this->view->messages); 
  echo $this->view->render('index.phtml');//显示模版 
 } 
 function addAction(){ 
 //如果是POST过来的值.就增加.否则就显示增加页面 
 if(strtolower($_SERVER['REQUEST_METHOD'])=='post'){ 
 //过滤一些数据.不过这里还有检测一些动作没有做..
 //请大家加了..我就不多写那么多了.时间关系.. 
 Zend_Loader::loadClass('Zend_Filter_StripTags'); 
 $filter=new Zend_Filter_StripTags(); 
 $content=$filter->filter(($this->_request->getPost('content'))); 
 $title=$filter->filter(($this->_request->getPost('title'))); 
 $message=new Message(); 
 $data=array( 
 'content'=>$content, 
 'title'=>$title
 );
 $message->insert($data); 
 unset($data); 
 echo '您增加数据成功!请您 
 $this->view->baseUrl.'/index/index/">返回'; 
  }else{ 
   echo $this->view->render('add.phtml');//显示增加模版 
  } 
 } 
 public function editAction(){ 
 $message=new Message(); 
 $db = $message->getAdapter(); 
 Zend_Loader::loadClass('Zend_Filter_StripTags'); 
 $filter=new Zend_Filter_StripTags(); 
 //同上面addAction 
 if(strtolower($_SERVER['REQUEST_METHOD'])=='post'){ 
 $content=$filter->filter(($this->_request->getPost('content'))); 
 $title=$filter->filter(($this->_request->getPost('title'))); 
 $id=$filter->filter(($this->_request->getPost('id'))); 
  $set=array( 
  'content'=>$content, 
  'title'=>$title
 ); 
 $where = $db->quoteInto('id = ?', $id); 
 //更新表数据 
 $message->update($set, $where) 
 unset($set);  echo '您修改数据成功!请您 
 $this->view->baseUrl.'/index/index/">返回'; 
 }else{ 
  $id=$filter->filter(($this->_request->getParam('id'))); 
 $this->view->messages=$message->fetchAll('id='.$id)->toArray(); 
  echo $this->view->render('edit.phtml');//显示编辑模版 
   } 
 } 
public function delAction() 
{ $message=new Message(); 
 //能过ID删除数据.这里有一些动作没有做.比如说没有ID页面要去哪里. 
  //.我只是给大家一个思想..所以不会那么完整 
 $id = (int)$this->_request->getParam('id'); 
 if ($id > 0) { 
   $where = 'id = ' . $id; 
   $message->delete($where); 
 } 
 echo '您删除数据成功!请您 
 $this->view->baseUrl.'/index/index/">返回'; 
 } 
}