scroll-view.uvue

<template>
  <!-- #ifdef APP -->
  <scroll-view style="flex: 1">
    <!-- #endif -->
    <view>
      <page-head title="scroll-view,区域滚动视图"></page-head>
      <view class="uni-padding-wrap uni-common-mt">
        <view class="uni-title uni-common-mt">
          <text class="uni-title-text">Vertical Scroll</text>
          <text class="uni-subtitle-text">纵向滚动</text>
        </view>
        <view>
          <scroll-view
            :scrollTop="scrollTop"
            :scrollY="true"
            class="scroll-Y"
            scroll-with-animation="true"
            @scrolltoupper="upper"
            @scrolltolower="lower"
            @scroll="scroll"
          >
            <view id="demo1" class="scroll-view-item uni-bg-red"
              ><text class="text">A</text></view
            >
            <view id="demo2" class="scroll-view-item uni-bg-green"
              ><text class="text">B</text></view
            >
            <view id="demo3" class="scroll-view-item uni-bg-blue"
              ><text class="text">C</text></view
            >
          </scroll-view>
        </view>
        <view @tap="goTop" class="uni-center uni-common-mt">
          <text class="uni-link">点击这里返回顶部</text>
        </view>

        <view class="uni-title uni-common-mt">
          <text class="uni-subtitle-text">下拉刷新</text>
        </view>
        <button
          type="primary"
          class="button default-button"
          @click="gotoRefresher"
        >
          跳转"下拉刷新示例"
        </button>

        <view class="uni-title uni-common-mt">
          <text class="uni-title-text">Horizontal Scroll</text>
          <text class="uni-subtitle-text">横向滚动</text>
        </view>
        <view>
          <scroll-view
            class="scroll-view_H"
            :scrollX="true"
            @scroll="scroll"
            :scrollLeft="120"
          >
            <view id="demo1" class="scroll-view-item_H uni-bg-red"
              ><text class="text">A</text></view
            >
            <view id="demo2" class="scroll-view-item_H uni-bg-green"
              ><text class="text">B</text></view
            >
            <view id="demo3" class="scroll-view-item_H uni-bg-blue"
              ><text class="text">C</text></view
            >
          </scroll-view>
        </view>
        
		<button
		  type="primary"
		  class="button default-button"
		  @click="moreProps"
		>
		  非下拉刷新的scroll-view属性示例
		</button>
		<view class="uni-common-pb"></view>
		<button type="primary" class="button default-button" @click="jumpToRefresher">
			下拉刷新的scroll-view属性示例
		</button>
		<view class="uni-common-pb"></view>
      </view>
    </view>
    <!-- #ifdef APP -->
  </scroll-view>
  <!-- #endif -->
</template>
<script lang="ts">
import ScrollEvent from 'io.dcloud.uniapp.runtime.ScrollEvent'
import ScrollToLowerEvent from 'io.dcloud.uniapp.runtime.ScrollToLowerEvent'
import ScrollToUpperEvent from 'io.dcloud.uniapp.runtime.ScrollToUpperEvent'
export default {
  data() {
    return {
      scrollTop: 0,
      oldScrollTop: 0,
    }
  },
  methods: {
    upper: function (e: ScrollToUpperEvent) {
      console.log(e)
    },
    lower: function (e: ScrollToLowerEvent) {
      console.log(e)
    },
    scroll: function (e: ScrollEvent) {
      this.oldScrollTop = e.detail.scrollTop
    },
    goTop: function () {
      // 解决view层不同步的问题
      this.scrollTop = this.oldScrollTop
      this.$nextTick(function () {
        this.scrollTop = 0
      })
      uni.showToast({
        icon: 'none',
        title: '纵向滚动 scrollTop 值已被修改为 0',
      })
    },
    gotoRefresher: function () {
      uni.navigateTo({
        url: '/pages/component/scroll-view/scroll-view-refresher',
      })
    },
	moreProps(){
		uni.navigateTo({
		  url: '/pages/component/scroll-view/scroll-view-props',
		})
	},
	jumpToRefresher() {
		uni.navigateTo({
		  url: '/pages/component/scroll-view/scroll-view-refresher-props',
		})
	},
  },
}
</script>

<style>
.scroll-Y {
  height: 300rpx;
}

.scroll-view_H {
  width: 100%;
  flex-direction: row;
}

.scroll-view-item {
  height: 300rpx;
  justify-content: center;
  align-items: center;
}

.scroll-view-item_H {
  width: 690rpx;
  height: 300rpx;
  justify-content: center;
  align-items: center;
}

.text {
  font-size: 36rpx;
  color: #ffffff;
}
.button {
  margin-top: 30rpx;
}
</style>