代码:

1. fill ~ ~-1 ~-12 ~ ~-1 ~ minecraft:redstone_block

代码:

1. fill ~ ~1 ~-12 ~ ~1 ~ minecraft:stone

代码:

1. scoreboard players set @e healthbar 20 {Health:20s}

代码:

1. /entitydata @e[score_healthbar_min=20,score_healthbar=20] {CustomName:"??????????"}

代码:

1. /entitydata @e[score_healthbar_min=18,score_healthbar=18] {CustomName:"??????????"}