前置指令：

1.scoreboard objectives add fj dummy

主體指令:

1.scoreboard players set @a fj 1 循環(huán)無條件保持開

2.execute @a ~~~ execute @e[r=10,rm=1,type=!item] ~~~ scoreboard players set @a[r=10] fj 2 連鎖無條件模式開啟

3.execute @a ~~~ execute @e[r=5,rm=1,type=!item] ~~~ scoreboard players set @a[r=5] fj 3 后面的都一樣

4.replaceitem entity @a[scores={fj=1}] slot.hotbar 8 wool 1 5 {"minecraft:item_lock":{"mode":"lock_in_slot"}}

5.replaceitem entity @a[scores={fj=2}] slot.hotbar 8 wool 1 4 {"minecraft:item_lock":{"mode":"lock_in_slot"}}

6.replaceitem entity @a[scores={fj=3}] slot.hotbar 8 wool 1 14 {"minecraft:item_lock":{"mode":"lock_in_slot"}}