public void OnClickUse()
{
Debug.Log("点击使用");
int id = mitem.GetID();
int num = PlayerData.Instance.GetItemNum(id);
if (num <= 0)
{
return;
}
ItemData data = ItemDataManager.Instance.GetItemData(id);
//数据更改
PlayerData.Instance.AddItemNum(id, -1);
PlayerData.Instance.AddMaterialNum(data.useType, 10);
//界面显示
mitem.SetNum(PlayerData.Instance.GetItemNum(id)); //更新背包界面显示
TopBar.Instance.Show(); //更新显示元宝（和menu界面的4中材料）
}