php钩子程序设计
<?php/**
* @name Service_Page_Test
* @desc page层对接第三方抽象类
* @author
*/
abstract>
{
public $hookGroupPrev = null; // 前钩子组
public $hookGroupAfter = null; // 后钩子组
public $hookReturn = array(); //钩子返回值
public $reqData = null; // page模块分析的数据
/**
* 获取需要验证的参数配置
* @return array
*/
public function _getCheckParams()
{
return array();
}
/**
* 入口方法
* @param array $arrInput
* @return array
*/
public function execute($arrInput)
{
$res = array(
'errno' => Test_Errno::ERRNO_SUCCESS,
'errmsg' => Test_Errno::$ERRMSG,
);
try {
$this->_init($arrInput);
$this->_beforeExecute();
$res = $this->doExecute($arrInput);
$this->_afterExecute();
} catch (Test_Exception $e) {
$res = array(
'errno' => $e->getCode(),
'errmsg' => $e->getMessage(),
);
} catch (Exception $e) {
$res = array(
'errno' => $e->getCode(),
'errmsg' => $e->getMessage(),
);
}
return $res;
}
/**
* auto exec
* @param array $arrInput
* @throws Exception
* @return array
*/
protected function doExecute($arrInput){
}
/**
* 获取权限信息
* @param array $arrInput
* @return array
*/
public function _init($arrInput)
{
$pageModulesConf = Conf::getConf('page/' . get_class($this));
$this->reqData = $arrInput;
$this->hookGroupPrev[] = $pageModulesConf['hook_group']['prev'];
$this->hookGroupAfter[] = $pageModulesConf['hook_group']['after'];
}
/**
* 执行filter
* @param string
*/
public function _beforeExecute()
{
if (!empty($this->hookGroupPrev) && is_array($this->hookGroupPrev)) {
foreach ($this->hookGroupPrev as $hookGroups) {
foreach ($hookGroups as $hookGroup) {
$this->_executeHook($hookGroup, $this->reqData);
}
}
}
}
/**
* @param array $arrInput
* @return array
*/
public function _afterExecute()
{
if (!empty($this->hookGroupAfter) && is_array($this->hookGroupAfter)) {
foreach ($this->hookGroupAfter as $hookGroups) {
foreach ($hookGroups as $hookGroup) {
$this->_executeHook($hookGroup, $this->reqData);
}
}
}
}
/**
* 执行filter
* @param string
*/
public function _executeHook($hookGroup, $reqData)
{
$hookGroupConf = Conf::getConf('hook/group/' . $hookGroup);
if(!empty($hookGroupConf)){
foreach($hookGroupConf as $hook){
$hookConf = Conf::getConf('hook/hook/' . $hook);
$class = $hookConf['class'];
$method = $hookConf['method'];
$inputParams = isset($hookConf['getInputParams']) ? $this->{$hookConf['getInputParams']}() : null;
if (class_exists($class)) {
$obj = new $class();
if (method_exists($obj, $method)) {
$this->hookReturn[$hook][] =$obj->$method($inputParams, $reqData);
}
}
}
}
}
}
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