/**
* 载入缓存的 YAML 解析结果，如果缓存失效，则重新解析并生成缓存
*
* @param string $filename
* 要解析的 yaml 文件名
* @param array $replace
* 对于 YAML 内容要进行自动替换的字符串对
* @param string $cache_backend
* 要使用的缓存后端
*
* @return array
* 解析结果
*/
static function loadCached($filename, array $replace = null, $cache_backend = null)
{
static $cache_obj = null;
if (!is_file($filename)) {
throw new QException_FileNotFound($filename);
}
$policy = array('lifetime' => 86400, 'serialize' => true);
$mtime = filemtime($filename);
$id = 'yaml_cache_' . md5($filename);
if (is_null($cache_backend)) {
if (is_null($cache_obj)) {
$cache_obj = Q::getSingleton(Q::getIni('runtime_cache_backend'));
}
$cache = $cache_obj;
} else {
$cache = self::getSingleton($cache_backend);
}
/* @var $cache QCache_File */
$data = $cache->get($id, $policy);
if (!isset($data['yaml']) || empty($data['mtime']) || $data['mtime'] < $mtime) {
// 缓存失效
$data = array('mtime' => $mtime, 'yaml' => self::load($filename, $replace));
$cache->set($id, $data, $policy);
}
return $data['yaml'];
}
/**
* 创建书籍记录
*
* @param array $authors
* @param int $nums
*
* @return array
*/
protected function insertBooks(array $authors, $nums = 10)
{
$tableBooks = Q::getSingleton('Table_Books');
/* @var $tableBooks Table_Books */
$authors = array_values($authors);
$authors_count = count($authors);
$books = array();
for ($i = 0; $i < $nums; $i++) {
$c = mt_rand(1, $authors_count);
$rand_authors = array();
for ($j = 0; $j < $c; $j++) {
$rand_authors[] = $authors[mt_rand(0, $j * $j) % $authors_count];
}
$book = array('title' => 'BOOK ' . mt_rand(), 'intro' => 'INTRO ' . mt_rand(), 'authors' => $rand_authors);
$books[] = $tableBooks->create($book);
}
return $books;
}
/**
* QeePHP 应用程序 MVC 模式入口
*
* @return mixed
*/
function run()
{
// #IFDEF DEBUG
QLog::log(__METHOD__, QLog::DEBUG);
// #ENDIF
// 设置默认的时区
date_default_timezone_set($this->context->getIni('l10n_default_timezone'));
// 设置 session 服务
if ($this->context->getIni('runtime_session_provider')) {
Q::loadClass($this->context->getIni('runtime_session_provider'));
}
// 打开 session
if ($this->context->getIni('runtime_session_start')) {
// #IFDEF DEBUG
QLog::log('session_start()', QLog::DEBUG);
// #ENDIF
session_start();
}
// 设置验证失败错误处理的回调方法
$this->context->setIni('dispatcher_on_access_denied', array($this, 'onAccessDenied'));
// 设置处理动作方法未找到错误的回调方法
$this->context->setIni('dispatcher_on_action_not_found', array($this, 'onActionNotFound'));
// 从 session 中提取 flash message
if (isset($_SESSION)) {
$key = $this->context->getIni('app_flash_message_key');
$arr = isset($_SESSION[$key]) ? $_SESSION[$key] : null;
if (!is_array($arr)) {
$arr = array(self::FLASH_MSG_INFO, $arr);
} elseif (!isset($arr[1])) {
$arr = array(self::FLASH_MSG_INFO, $arr[0]);
}
if ($arr[0] != self::FLASH_MSG_ERROR && $arr[0] != self::FLASH_MSG_INFO && $arr[0] != self::FLASH_MSG_WARNING) {
$arr[0] = self::FLASH_MSG_INFO;
}
$this->_flash_message_type = $arr[0];
$this->_flash_message = $arr[1];
unset($_SESSION[$key]);
}
// 初始化访问控制对象
$this->acl = Q::getSingleton('QACL');
// 执行动作
$context = QContext::instance($this->context->module_name, $this->_appid);
return $this->_executeAction($context);
}
/**
* 追加日志到日志缓存
*
* @param string $msg
* @param int $type
*/
static function log($msg, $type = self::DEBUG)
{
static $instance;
if (is_null($instance)) {
$instance = Q::getSingleton('QLog');
}
/* @var $instance QLog */
$instance->append($msg, $type);
}
