代码:

1. # 初始化
   
2. ## 血量记分板
   
3. scoreboard objectives add health dummy
   
4. ## 备用记分板
   
5. scoreboard objectives add health2 dummy

代码:

1. # 高频
   
2. ## 获取血量
   
3. execute as @e store result score @s health run data get entity @s Health
   
4. ## 如果血量不相等
   
5. execute as @e unless score @s health2 = @s health run function health:if

代码:

1. # 函数 health:if
   
2. ## 如果血量减少
   
3. execute if score @s health < @s health2 run say 我受伤了
   
4. ## 更新数据
   
5. scoreboard players operation @s health2 = @s health

1. scoreboard objectives add damage minecraft.custom:minecraft.damage_taken

1. execute if score @s damage matches 0.. run 后续指令

1. scoreboard players reset <span id="kM0.1352018499512304">@s damage</span>