/// <summary>
 /// 减少某个道具的数量
 /// </summary>
 /// <param name="item"></param>
 /// <param name="number"></param>
 /// <returns>是否可减</returns>
 public bool SubItemCount(ItemStruct item, int number)
 {
     //如果结果不为负数
     if (item.Count >= Mathf.Abs(number))
     {
         item.Count -= Mathf.Abs(number);
         return(true);
     }
     return(false);
 }
 /// <summary>
 /// 得到某个道具的数量
 /// </summary>
 /// <param name="item"></param>
 /// <returns></returns>
 public int GetItemCount(ItemStruct item)
 {
     return(item.Count);
 }
 /// <summary>
 /// 增加当某个道具的数量
 /// </summary>
 /// <param name="item"></param>
 /// <param name="number"></param>
 public void AddItemCount(ItemStruct item, int number)
 {
     item.Count += number;
 }