public static function delPhoto($photoId)
{
$pdo = new DBUtils();
$sql = "delete from photo where photoId = '{$photoId}'";
$rs = $pdo->delete($sql);
return $rs;
}
public static function delNav($snavId)
{
$pdo = new DBUtils();
$sql = "delete from second_nav where snavId = '{$snavId}'";
// print_r($sql);
// exit;
$rs = $pdo->delete($sql);
return $rs;
}
public static function del($articleId)
{
$pdo = new DBUtils();
$sql = "delete from article where articleId='{$articleId}'";
return $pdo->delete($sql);
}
public static function delBuy($id)
{
$pdo = new DBUtils();
$sql = "delete from buy where id = '{$id}'";
$rs = $pdo->delete($sql);
}
public static function delCourse($courseId)
{
$pdo = new DBUtils();
$sql = "delete from course where snavId = '{$courseId}'";
$rs = $pdo->delete($sql);
}
public static function delJoinus($id)
{
$pdo = new DBUtils();
$sql = "delete from joinus where id = '{$id}'";
$rs = $pdo->delete($sql);
}
