/// <summary> /// 检查产线信息是否存在 /// </summary> /// <param name="predicate">检查谓语表达式</param> /// <param name="id">更新的产线信息编号</param> /// <returns>产线信息是否存在</returns> public bool CheckLineExists(Expression <Func <Line, bool> > predicate, int id = 0) { return(LineRepository.CheckExists(predicate, id)); }