Zend Framework教程之Zend_Controller_Plugin插件用法详解

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            本文实例讲述了Zend Framework教程之Zend_Controller_Plugin插件用法。分享给大家供大家参考，具体如下：
通过Zend_Controller_Plugin可以向前端控制器增加附加的功能。便于w一些特殊功能。以下是Zend_Controller_Plugin的简单介绍。
Zend_Controller_Plugin的基本实现
├── Plugin
│   ├── Abstract.php
│   ├── ActionStack.php
│   ├── Broker.php
│   ├── ErrorHandler.php
│   └── PutHandler.php
Zend_Controller_Plugin_Abstract
abstract class Zend_Controller_Plugin_Abstract
{
protected $_request;
protected $_response;
public function setRequest(Zend_Controller_Request_Abstract $request)
{
  $this->_request = $request;
  return $this;
}
public function getRequest()
{
  return $this->_request;
}
public function setResponse(Zend_Controller_Response_Abstract $response)
{
  $this->_response = $response;
  return $this;
}
public function getResponse()
{
  return $this->_response;
}
/**
  * Called before Zend_Controller_Front begins evaluating the
  * request against its routes.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
public function routeStartup(Zend_Controller_Request_Abstract $request)
{}
/**
  * Called after Zend_Controller_Router exits.
  *
  * Called after Zend_Controller_Front exits from the router.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
public function routeShutdown(Zend_Controller_Request_Abstract $request)
{}
/**
  * Called before Zend_Controller_Front enters its dispatch loop.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
public function dispatchLoopStartup(Zend_Controller_Request_Abstract $request)
{}
/**
  * Called before an action is dispatched by Zend_Controller_Dispatcher.
  *
  * This callback allows for proxy or filter behavior. By altering the
  * request and resetting its dispatched flag (via
  * {@link Zend_Controller_Request_Abstract::setDispatched() setDispatched(false)}),
  * the current action may be skipped.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
public function preDispatch(Zend_Controller_Request_Abstract $request)
{}
/**
  * Called after an action is dispatched by Zend_Controller_Dispatcher.
  *
  * This callback allows for proxy or filter behavior. By altering the
  * request and resetting its dispatched flag (via
  * {@link Zend_Controller_Request_Abstract::setDispatched() setDispatched(false)}),
  * a new action may be specified for dispatching.
  *
  * @param Zend_Controller_Request_Abstract $request
  * @return void
  */
public function postDispatch(Zend_Controller_Request_Abstract $request)
{}
/**
  * Called before Zend_Controller_Front exits its dispatch loop.
  *
  * @return void
  */
public function dispatchLoopShutdown()
{}
}