http://v.youku.com/v_show/id_XMTU4Njg1MTg5Mg==.html?from=y1.7-1.1

大家好，我是英海，今天我们来给带讲一条指令“失重”，这条指令更新后有了更多的应用~希望大家喜欢~ 指令：（按视频顺序）
/entitydata @e[type=Arrow] {NoGravity:1}
/entitydata @e[type=FallingSand] {NoGravity:1}
/entitydata @e[type=PrimedTnt] {NoGravity:1}
/entitydata @e[type=XPOrb] {NoGravity:1}
/entitydata @e[type=MinecartRideable] {NoGravity:1}
/entitydata @e[type=Cow] {NoGravity:1}
/entitydata @e[type=Chicken] {NoGravity:1}
/entitydata @e[type=PolarBear] {NoGravity:1}
/entitydata @e[type=Item] {NoGravity:1}
你也可以用这个对全部实体应用 /entitydata @e {NoGravity:1}