uniapp实现自定义图片预览手势缩放滑动下一页等(精简版,原生微信小程序同理)

直接上代码

<template>
  <view>
    <view class="img-page">
      <movable-area scale-area>
        <movable-view direction="all" scale="true" scale-min="1" scale-max="3">
          <scroll-view scroll-x="true" class="scroll-Y" upper-threshold="100" @scroll='scroll' @scrolltolower="bindscrolltouppers">
            <view class="image_bg" v-for="(item,index) in imgs" :key="index">
              <image 
                class=