/**
* 获取当前实例
* @access public
* @return XF_Controller_Plugin_Manage
*/
public static function getInstance()
{
if (self::$_instance === null) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* 转发控制器
* @param XF_Controller_Request_Abstract $request
* @param bool $runRouter 重新运行路由解析 默认为true
* @throws XF_Controller_Exception
*/
private function _dispatch(XF_Controller_Request_Abstract $request = null, $runRouter = true)
{
$this->_dispath_count++;
if ($request != null) {
$this->_request = $request;
}
if ($this->_dispath_count == 1) {
$this->_plugin_manage->routeStartup($this->_request);
$this->_router->run();
$this->_plugin_manage->routeShutdown($this->_request);
} elseif ($this->_dispath_count >= 5) {
XF_Functions::writeErrLog('URI:' . $this->_request->getRequestUrl() . ' - loop forever dispatch controller');
throw new XF_Exception('loop forever dispatch controller');
} else {
if ($runRouter == true) {
$this->_router->run();
}
}
//没有找到正确的模块
if ($this->_request->getModule() == 'unknown') {
throw new XF_Exception('404 Not found!', 404);
}
//加载控制器
$this->getModuleDir();
$controllerName = NULL;
if (strtolower($this->_request->getModule()) != 'default') {
$controllerName = ucfirst($this->_request->getModule()) . '_';
}
$this->_controller_dir = $this->_module_dir . '/controllers';
$controllerFile = $this->_controller_dir . '/' . ucfirst($this->_request->getController()) . 'Controller.php';
if (is_file($controllerFile)) {
require_once $controllerFile;
$controllerName .= ucfirst($this->_request->getController()) . 'Controller';
if (class_exists($controllerName, FALSE)) {
$this->_plugin_manage->preDispatch($this->_request);
$this->_controller_instance = new $controllerName();
$this->_plugin_manage->postDispatch($this->_request);
}
}
if ($this->_controller_instance == null) {
throw new XF_Exception('404 Not found!', 404);
} elseif ($this->_controller_instance instanceof XF_Controller_Interface) {
$this->_controller_instance->doAction();
} else {
throw new XF_Exception('404 Not found!', 404);
}
}
/**
* 渲染模板
* @access public
* @param string $template_file Action模板文件
* @param string $cache_sign 缓存标识
* @param XF_View_Layout_Abstract $layout
* @return string
*/
public function render($template_file = null, $cache_sign = '', XF_View_Layout_Abstract $layout = null)
{
$this->getTemplateStartLocation();
$request = XF_Controller_Request_Http::getInstance();
$appName = $request->getModule();
$controllerName = $request->getController();
$actionName = $request->getAction();
//如果没有设置模板，则自动获取当前Action名称相关的模板
if ($template_file == null) {
$template_file = $this->_template_folder . '/' . $controllerName . '/' . $actionName . '.php';
}
if (!is_file($template_file)) {
throw new XF_View_Exception('Action template not found');
}
$content = $this->obGetContents($template_file);
XF_Controller_Plugin_Manage::getInstance()->postRender($content);
//是否需要缓存?
if ($this->_cache_time > 0) {
$layout_tag = '';
if ($layout != null) {
$layout_tag = '<!--Layout:' . get_class($layout) . ',' . $layout->getCacheTime() . ',' . (int) $layout->getCacheType() . '-->';
}
$_content = $content . $layout_tag . $this->_makeCacheHeadTitleAndHeadMeta();
//写入缓存
if ($this->_cache_instance instanceof XF_Cache_SECache) {
XF_File::mkdirs(TEMP_PATH . '/Cache');
$this->_cache_instance->setCacheSaveFile(TEMP_PATH . '/Cache/ActionViewCache');
}
$this->_cache_instance->setCacheTime($this->_cache_time);
$this->_cache_instance->add($cache_sign, $_content);
}
//是否启用布局
if ($layout != null) {
$layout->assign('$layoutContent', $content);
$content = $layout->render();
}
return $content;
}
/**
* 执行控制器动作
* @access public
* @return void
*/
public function doAction()
{
$plugins = XF_Controller_Plugin_Manage::getInstance();
//当前Action是否存在文件缓存
if ($content = $this->_checkCacheContent()) {
echo $content;
return;
}
$this->_checkControllerInstance();
$actionName = $this->_request->getAction();
$valiMethod = 'validate' . ucfirst($actionName);
$method = $actionName . 'Action';
$methods = get_class_methods($this->_controller);
//是否存在Action验证方法
if ($this->hasAction($valiMethod)) {
if (call_user_func(array($this->_controller, $valiMethod)) !== true) {
$plugins->exception404($this->_request);
return;
}
}
//是否存在要执行的Action
if ($this->hasAction($method)) {
$plugins->preAction($this->_request);
call_user_func(array($this->_controller, $method));
$plugins->postAction($this->_request);
$this->_render();
$plugins->postOutput();
return;
}
$plugins->exception404($this->_request);
}
/**
* 在当前类中获取指定文件在缓冲区的内容
* @access private
* @param string $file
* @return string
*/
private function _getObContent($file)
{
if (!is_file($file)) {
return '';
}
$content = '';
ob_start();
require_once $file;
$content = ob_get_contents();
ob_end_clean();
//清除BOM
$charset[1] = substr($content, 0, 1);
$charset[2] = substr($content, 1, 1);
$charset[3] = substr($content, 2, 1);
if (ord($charset[1]) == 239 && ord($charset[2]) == 187 && ord($charset[3]) == 191) {
$content = substr($content, 3);
}
XF_Controller_Plugin_Manage::getInstance()->postRender($content);
return $content;
}
/**
* 普通错误，警告
* @param int $errno
* @param string $errstr
* @param string $errfile
* @param int $errline
* @throws XF_Exception
*/
public static function appError($errno, $errstr, $errfile, $errline)
{
$env = XF_Config::getInstance()->getEnvironmental();
$req = XF_Controller_Request_Http::getInstance();
$url = $req->getMethod() . ' "' . $req->getRequestUrl() . '"';
switch ($errno) {
case E_ERROR:
case E_PARSE:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
$message = $url . "\n" . 'ERROR: ' . $errstr . ' in ' . $errfile . ' on line ' . $errline;
if ($env == 'development') {
exit($message);
} else {
XF_Functions::writeErrLog($message);
XF_Controller_Plugin_Manage::getInstance()->exception(XF_Controller_Request_Http::getInstance(), new XF_Exception($e['message']));
}
break;
/*case E_STRICT:
case E_USER_WARNING:
case E_USER_NOTICE:
default:
$message = 'ERROR: ['.$errno.']'.$errstr. ' in '.$errfile.' on line '.$errline;
XF_Functions::writeErrLog($message);
if ($env == 'development')
{
echo '<br/>'.$message;
}
break;*/
}
}
