指令很简单~
/saveitems save <key> 保存手持物品,标识符为<key> 权限: saveitems.save
/saveitems get <key> <amount> 获取标识符为<key>的物品,数量为<amount> 权限: saveitems.get
/saveitems setitem <key> <amount> <slot> <target> 设置玩家目标<target>指定槽位<slot>的物品为标识符为<key>的物品,数量为<amount> 权限: saveitems.setitem
/saveitems give <key> <amount>...