我的世界 hasitem检测伤害 告别穷举遍历

1.tag @a add 攻击
2.tag @e[hasitem={item=iron_sword}] remove 攻击
3.replaceitem entity @a[tag=攻击] slot.weapon.mainhand 0 iron_sword 1 1000 {"minecraft:item_lock":{"mode":"lock_in_inventory"}}
4.execute @a[tag=攻击]~~~say 攻击


1.tag @a add 受到伤害
2.tag @e[hasitem={item=iron_boots,location=slot.armor.feet,slot=0}] remove 受到伤害
3.replaceitem entity @a[tag=受到伤害] slot.armor.feet 0 iron_boots 1 1000 {"item_lock":{"mode":"lock_in_slot"}}
4.execute @a[tag=受到伤害]~~~say 受到伤害