我直接把代码给你吧 就3行
2
animatheightadd:{},
Changeshow(e){
var animatheightadd = wx.createAnimation({
duration: 10000,
timingFunction: 'ease-in',
})
animatheightadd.height(600).step()
this.setData({
active:e.currentTarget.dataset.num,
animatheightadd: animatheightadd.export(),
})
}