请选择Easing缓动效果...lineareaseInSineeaseOutSineeaseInOutSineeaseInQuadeaseOutQuadeaseInOutQuadeaseInCubiceaseOutCubiceaseInOutCubiceaseInQuarteaseOutQuarteaseInOutQuarteaseInQuinteaseOutQuinteaseInOutQuinteaseInExpoeaseOutExpoeaseInOutExpoeaseInCirceaseOutCirceaseInOutCirceaseInBackeaseOutBackeaseInOutBackeaseInElasticeaseOutElasticeaseInOutElasticeaseInBounceeaseOutBounceeaseInOutBounce