drop = 1,item_123,item_123,item_123313142342342
drop = 2,item_123,item_123,item_123,item_4563
人tyre也让也让他
drop = 112,item_123,item_123,item_123,item_4563,item_123,item_123,item_123,item_4563
额我热温热微软
实现:
判断drop = 编号行的item 数,要是3的倍数 不变,要非3的倍数,插入“,item_nothing” 到 drop = 编号行最后面,变成3的倍数,,其他非drop行不变 ,如下:
drop = 1,item_123,item_123,item_123313142342342
drop = 2,item_123,item_123,item_123,item_4563,item_nothing,item_nothing
人tyre也让也让他
drop = 112,item_123,item_123,item_123,item_4563,item_123,item_123,item_123,item_4563,item_nothing