物体从1-n编号，第i件物品编号为i
by zhangboju @ 2020-02-27 11:56:54
还有物体不会先出现附件
by zhangboju @ 2020-02-27 11:59:01
我记得是这样
by zhangboju @ 2020-02-27 11:59:21
@[zhangboju](/user/231600)
谢谢了！
by 覃常锟 @ 2020-02-27 12:22:51