uniapp开发小程序实现滑动页面控制元素的显示和隐藏效果

<view class="container" @touchmove="handletouchstart" @touchend="handletouchend">
 <view class="column popupfx" :class="specClass" @click="createHaibao">我是要发生变化的元素</view>
</view>

data() {
  return {
   specClass: 'hide',
     };
   },
methods:{
 handletouchstart() {
  this.specClass = 'show';
 },
 handletouchend() {
  this.specClass = 'hide';
 },}

<style lang="scss">
 
.popupfx {
    position: fixed;
    top: 80%;
    right: 20upx;
    z-index: 10;
  
    &.show {
        animation: showLayer 0.2s linear both;
    }
  
    &.hide {
        animation: hideLayer 0.2s linear both;
    }
  
    @keyframes showLayer {
      0% {
        transform: translateX(0%);
      }
  
      100% {
        transform: translateX(80upx); //这里可以通过变大变小调整偏移量
      }
    }
  
    @keyframes hideLayer {
      0% {
        transform: translateX(80upx);
      }
  
      100% {
        transform: translateX(0);
      }
    }
  }
</style>