首先要?jiǎng)?chuàng)建兩個(gè)計(jì)分板

/scoreboard objectives add 金幣 dummy 作為貨幣

/scoreboard objectives add 金幣_(tái) dummy 用于后臺(tái)數(shù)據(jù)同步

/scoreboard objectives add 價(jià)格 dummy 設(shè)定價(jià)格用

核心cb部分：

循環(huán)無(wú)條件：

execute @a ~ ~ ~ scoreboard players operation @s 金幣_(tái) = @s 金幣

接下來(lái)都是連鎖無(wú)條件：

處理錢不夠：

execute @a[scores={價(jià)格=1..}] ~ ~ ~ scoreboard players operation @s 金幣_(tái) -= @s 價(jià)格

/execute @a[scores={金幣_(tái)=..-1,價(jià)格=0..}] ~ ~ ~ tellraw @s {"rawtext":[{"text":"§f丨丨 §c你的金幣不夠！\n§f丨丨 §c你至少需要§f§l"},{"score":{"name":"@s","objective":"價(jià)格"}},{"text":"§r§c枚金幣才能購(gòu)買該商品！"}]}

/execute @a[scores={金幣_(tái)=..-1,價(jià)格=0..}] ~ ~ ~ particle minecraft:knockback_roar_particle ~ ~ ~

/execute @a[scores={金幣_(tái)=..-1,價(jià)格=0..}] ~ ~ ~ playsound block.false_permissions @s

/execute @a[scores={金幣_(tái)=..-1,價(jià)格=0..}] ~ ~ ~ title @s title §r

/execute @a[scores={金幣_(tái)=..-1,價(jià)格=0..}] ~ ~ ~ title @s subtitle §c?

/execute @a[scores={金幣_(tái)=..-1,價(jià)格=0..}] ~ ~ ~ /scoreboard players reset @s 價(jià)格

處理錢夠：

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ titleraw @s title {"rawtext":[{"text":"§r"}]}

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ titleraw @s subtitle {"rawtext":[{"text":"§a購(gòu)買成功！"}]}

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ /clone ~ ~-3 ~ ~ ~-3 ~ ~ ~1 ~

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ setblock ~ ~1 ~ air 0 destroy

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ scoreboard players operation @s 金幣 -= @s 價(jià)格

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ kill @e[name=木桶,type=item,r=5]

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ playsound random.orb @s ~ ~ ~ 200 3

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ camerashake add @s 0.3 0.1

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ tellraw @s {"rawtext":[{"text":"§f丨丨 §a購(gòu)買成功  §f-"},{"score":{"name":"@s","objective":"價(jià)格"}}]}

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ /playsound camera.take_picture @s ~ ~ ~ 20 1

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ particle minecraft:knockback_roar_particle ~ ~1 ~

/execute @a[scores={金幣_(tái)=0..,價(jià)格=0..}] ~ ~ ~ /scoreboard players reset @s 價(jià)格

設(shè)置商品，依次放置：

按鈕

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任意非紅石塊的方塊

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脈沖無(wú)條件命令方塊：

/scoreboard players set @p[dy=3] 價(jià)格 0 （0可以自定義）

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木桶（內(nèi)裝購(gòu)買成功后給予的物品）

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拒絕方塊（可以不加）