public function __construct()
{
parent::__construct();
$this->database();
}
/**
* 实例化一个模型
* @param type $classname_path
* @param type $hmvc_module_floder
* @return type WoniuModel
*/
public static function instance($classname_path = null, $hmvc_module_floder = NULL)
{
if (!empty($hmvc_module_floder)) {
MpRouter::switchHmvcConfig($hmvc_module_floder);
}
//这里调用控制器instance是为了触发自动加载，从而避免了插件模式下，直接instance模型，自动加载失效的问题
WoniuController::instance();
if (empty($classname_path)) {
$renew = is_bool($classname_path) && $classname_path === true;
MpLoader::classAutoloadRegister();
return empty(self::$instance) || $renew ? self::$instance = new self() : self::$instance;
}
$system = systemInfo();
$classname_path = str_replace('.', DIRECTORY_SEPARATOR, $classname_path);
$classname = basename($classname_path);
$model_folders = $system['model_folder'];
if (!is_array($model_folders)) {
$model_folders = array($model_folders);
}
$count = count($model_folders);
//在plugin模式下，路由器不再使用，那么自动注册不会被执行，自动加载功能会失效，所以在这里再尝试加载一次，
//如此一来就能满足两种模式
MpLoader::classAutoloadRegister();
foreach ($model_folders as $key => $model_folder) {
$filepath = $model_folder . DIRECTORY_SEPARATOR . $classname_path . $system['model_file_subfix'];
$alias_name = $classname;
if (in_array($alias_name, array_keys(WoniuModelLoader::$model_files))) {
return WoniuModelLoader::$model_files[$alias_name];
}
if (file_exists($filepath)) {
if (!class_exists($classname, FALSE)) {
MpLoader::includeOnce($filepath);
}
if (class_exists($classname, FALSE)) {
return WoniuModelLoader::$model_files[$alias_name] = new $classname();
} else {
if ($key == $count - 1) {
trigger404('Model Class:' . $classname . ' not found.');
}
}
} else {
if ($key == $count - 1) {
trigger404($filepath . ' not found.');
}
}
}
}