/// <summary>
 /// 初始化餐桌状态数量
 /// </summary>
 private void InitTableStatusNum()
 {
     TableStatusItems.Clear();
     TableStatusItems.Add(new TableStatusModel(TableStatus.Idle, "空闲(" + _TableItemService.GetNumByStatus(0) + ")"));
     TableStatusItems.Add(new TableStatusModel(TableStatus.Using, "使用(" + _TableItemService.GetNumByStatus(1) + ")"));
     TableStatusItems.Add(new TableStatusModel(TableStatus.Waiting, "待清(" + _TableItemService.GetNumByStatus(2) + ")"));
     TableStatusItems.Add(new TableStatusModel(TableStatus.Scheduled, "预定(" + _TableItemService.GetNumByStatus(3) + ")"));
     TableStatusItems.Add(new TableStatusModel(TableStatus.Excess, "超额(" + _TableItemService.GetNumByStatus(4) + ")"));
 }