code: public static <T> int deleteObjectById(Class<T> clazz, Object... args)
      {
         return SqlClosure.sqlExecute(c -> OrmElf.deleteObjectById(c, clazz, args));
      }
docs: Delete an object from the database by ID.
  @param clazz the class of the object to delete.
  @param args the IDs of the object, in order of appearance of declaration in the target object class.
  @param <T> The type of the object.
  @return the number of rows affected.