function drop()
{
$backup_names = isset($_GET['backup_name']) ? trim($_GET['backup_name']) : '';
if (!$backup_names) {
$this->show_warning('no_backup_name');
return;
}
$backup_names = explode(',', $backup_names);
foreach ($backup_names as $backup_name) {
is_dir($this->backup_path . $backup_name) && ecm_rmdir($this->backup_path . $backup_name);
}
$this->show_message('drop_ok');
}
function clear()
{
$dir = dir($this->_cache_dir);
while (false !== ($item = $dir->read())) {
if ($item == '.' || $item == '..' || substr($item, 0, 1) == '.') {
continue;
}
$item_path = $this->_cache_dir . '/' . $item;
if (is_dir($item_path)) {
ecm_rmdir($item_path);
} else {
_at(unlink, $item_path);
}
}
return true;
}
/**
* 清理系统所有编译文件，缓存文件、模板结构数据
*
* @author wj
* @param void
*
* @return void
*/
function clean_cache()
{
/*清理缓存*/
$cache_dirs = array(ROOT_PATH . '/temp/caches', ROOT_PATH . '/temp/compiled/mall/admin', ROOT_PATH . '/temp/compiled/mall/', ROOT_PATH . '/temp/compiled/store/admin', ROOT_PATH . '/temp/compiled/store', ROOT_PATH . '/temp/js', ROOT_PATH . '/temp/query_caches', ROOT_PATH . '/temp/tag_caches', ROOT_PATH . '/temp/style');
foreach ($cache_dirs as $dir) {
$d = dir($dir);
if ($d) {
while (false !== ($entry = $d->read())) {
if ($entry != '.' && $entry != '..' && $entry != '.svn' && $entry != 'admin' && $entry != 'index.html') {
ecm_rmdir($dir . '/' . $entry);
}
}
$d->close();
}
}
/*主分类缓存数据*/
if (is_file(ROOT_PATH . '/temp/query_caches/cache_category.php')) {
unlink(ROOT_PATH . '/temp/query_caches/cache_category.php');
}
/*清除一个周前图片缓存并回收多余目录*/
$expiry_time = strtotime('-1 week');
$path = ROOT_PATH . '/temp/thumb';
$d = dir($path);
if ($d) {
while (false !== ($entry = $d->read())) {
if ($entry != '.' && $entry != '..' && $entry != '.svn' && is_dir($dir = $path . '/' . $entry)) {
$sd = dir($dir);
if ($sd) {
$left_dir_count = 0;
while (false !== ($entry = $sd->read())) {
if ($entry != '.' && $entry != '..' && is_dir($subdir = $dir . '/' . $entry)) {
$fsd = dir($subdir);
$left_file_count = 0;
while (false !== ($entry = $fsd->read())) {
if ($entry != '.' && $entry != '..' && $entry != 'index.htm' && is_file($file = $subdir . '/' . $entry)) {
if (filemtime($file) < $expiry_time) {
unlink($file);
} else {
$left_file_count++;
}
}
}
$fsd->close();
if ($left_file_count == 0) {
//清除空目录
ecm_rmdir($subdir);
} else {
$left_dir_count++;
}
}
}
$sd->close();
if ($left_dir_count == 0) {
ecm_rmdir($dir);
}
}
}
}
$d->close();
}
}
