1：让雪球执行为@p的s加1分指令：/execute @e[type=minecraft:snowball] ~ ~ ~ scoreboard players add @p s 12：让雪球给予@p一个雪球指令：/execute @e[type=minecraft:snowball] ~ ~ ~ give @p snowball 13：让雪球清除自己指令：/execute @e[type=minecraft:snowball] ~ ~ ~ kill @s4：为分数等于4（即分数大于选项的数量）的人设置他的分数为1指令：/scoreboard players set @a[scores=] s 1