/scoreboard: 创建记分项并修改分数，是存储积分或计时器等数字的主要方式。
语法
<尖括号> 内为必填，[方括号] 内为可选。 /scoreboard 有 11 种写法：
/scoreboard <category: scoreboardobjectivescategory> <action: scoreboardaddaction> <objective: scoreboardobjectives> <criteria: scoreboardcriteria> [displayName: id]
/scoreboard <category: scoreboardobjectivescategory> <action: scoreboardremoveaction> <objective: scoreboardobjectives>
/scoreboard <category: scoreboardobjectivescategory> <action: scoreboardlistaction>
/scoreboard <category: scoreboardobjectivescategory> <action: scoreboardsetdisplayaction> <displaySlot: scoreboarddisplayslotsortable> [objective: scoreboardobjectives] [sortOrder: scoreboardsortorder]
/scoreboard <category: scoreboardobjectivescategory> <action: scoreboardsetdisplayaction> <displaySlot: scoreboarddisplayslotnonsortable> [objective: scoreboardobjectives]
/scoreboard <category: scoreboardplayerscategory> <action: scoreboardlistaction> [playername: wildcardselection]
/scoreboard <category: scoreboardplayerscategory> <action: scoreboardresetaction> <player: wildcardselection> [objective: scoreboardobjectives]
/scoreboard <category: scoreboardplayerscategory> <action: scoreboardtestaction> <player: wildcardselection> <objective: scoreboardobjectives> <min: wildcardint> [max: wildcardint]
/scoreboard <category: scoreboardplayerscategory> <action: scoreboardrandomaction> <player: wildcardselection> <objective: scoreboardobjectives> <min: int> <max: int>
/scoreboard <category: scoreboardplayerscategory> <action: scoreboardplayersnumaction> <player: wildcardselection> <objective: scoreboardobjectives> <count: int>
/scoreboard <category: scoreboardplayerscategory> <action: scoreboardoperationaction> <targetName: wildcardselection> <targetObjective: scoreboardobjectives> <operation: operator> <selector: wildcardselection> <objective: scoreboardobjectives>