/**
* 获取数据缓存
* @access protected
* @param array $result
*/
protected function _getDataCache($file = null)
{
$content = XF_CACHE_EMPTY;
if ($file == null) {
$file = $this->_getDataCacheFileName();
}
if ($this->_cache_class instanceof XF_Cache_Interface) {
$content = $this->_cache_class->read($file);
}
//如果正常缓存为NULL，再检测当前临时缓存
if ($content == XF_CACHE_EMPTY) {
$content = XF_DataPool::getInstance()->getHash('TEMP_DATA_CACHE', md5($file), XF_CACHE_EMPTY);
}
return $content;
}
/**
* 检测是否存在缓存文件
* @access private
* @return void
*/
private function _checkCacheContent()
{
$key = $this->getCacheSign();
if ($key == '') {
return;
}
//如果没有设置缓存类型，则默认为secache
if ($this->_cache_instance == null) {
$this->_cache_instance = XF_Cache_SECache::getInstance();
}
if ($this->_cache_instance instanceof XF_Cache_SECache) {
$cache_file = TEMP_PATH . '/Cache/ActionViewCache';
if (!is_file($cache_file . '.php')) {
return null;
}
$this->_cache_instance->setCacheSaveFile($cache_file);
}
//是否存强制清除缓存
if (XF_DataPool::getInstance()->get('clearActionCache') === true) {
$this->_cache_instance->remove($key);
return null;
}
$content = $this->_cache_instance->read($key);
if ($content == XF_CACHE_EMPTY) {
return null;
}
//检测布局
preg_match('/<!--Layout:(.*?)-->/', $content, $matches);
if (isset($matches[0])) {
$tmp = explode(',', $matches[1]);
$layoutName = $tmp[0];
$layout = new $layoutName();
$layout->setCacheTime($tmp[1]);
$layout->setCacheType($tmp[2]);
//清除布局标记
$content = str_replace($matches[0], '', $content);
//执行布局对象，并渲染布局模板
if ($layout instanceof XF_View_Layout_Abstract) {
//获取缓存的标题等信息
$this->_checkCacheHtmlTag($content);
$layout->assign('$layoutContent', $content);
$content = $layout->render();
}
}
return $content;
}
