public static function getVersion($force = false)
{
iFS::mkdir(PATCH_DIR);
$tFilePath = PATCH_DIR . 'version.json';
//临时文件夹
if (iFS::ex($tFilePath) && time() - iFS::mtime($tFilePath) < 3600 && !$force) {
$FileData = iFS::read($tFilePath);
} else {
$url = PATCH_URL . '/version.' . iPHP_APP . '.' . iCMS_VER . '.patch.' . iCMS_RELEASE . '?t=' . time();
$FileData = iFS::remote($url);
iFS::write($tFilePath, $FileData);
}
return json_decode($FileData);
//版本列表
}