// 设置循环模式为 Normal animState.wrapMode = cc.WrapMode.Normal;

Creator 2.x
#1

// use this for initialization
onLoad: function() {
let animUp = this.upNode.getComponent(cc.Animation);
animUp.wrapMode = cc.WrapMode.Reverse;
animUp.playAdditive(‘moveUp_anim’);

    let animDpwn = this.downNode.getComponent(cc.Animation);
    animUp.wrapMode = cc.WrapMode.Reverse;
    animDpwn.playAdditive('moveDown_anim');
},

onCloseBtnClick: function() {
    AudioNode.playButton(0);
    // this.node.destroy();

    let animUp = this.upNode.getComponent(cc.Animation);
    animUp.wrapMode = cc.WrapMode.Normal;
    animUp.playAdditive('moveUp_anim');

    let animDpwn = this.downNode.getComponent(cc.Animation);
    animDpwn.wrapMode = cc.WrapMode.Normal;
    animDpwn.playAdditive('moveDown_anim');

    var self = this;
    animDpwn.on('stop', function() {
        self.node.destroy();
    }, this);
}

起步将动画设为反向模式，点击设为正常模式，不管用？？同一个动画，使用脚本处理就不行？按官网的API 用的，就是没反应，求指教？
谢谢各位大神！！！！！