# list-view

组件类型:UniListViewElement

列表组件

list-view和scroll-view都是滚动组件,list适用于长列表场景,其他场景适用于scroll-view。

在App中,基于recycle-view的list,才能实现长列表的渲染资源复用,以保障列表加载很多项目时,不会一直增加渲染内容。list-view就是基于recycle-view的list组件。

每个list由1个父组件list-view及若干子组件list-item构成。仅有有限子组件可识别,见下

# 兼容性

Web 微信小程序 Android iOS HarmonyOS HarmonyOS(Vapor)
4.02 4.41 3.9 4.11 4.61 5.0

目前微信小程序下,list-view被编译为scroll-view。目前uni-app x还未优化skyline的配置,未来会把list-view编译为skyline的list-view。

# 属性

名称 类型 默认值 兼容性 描述
direction string "vertical"
滚动方向,可取值 none、horizontal、vertical,默认值vertical。注:iOS 平台仅支持vertical
合法值 兼容性 描述
none
禁止滚动
horizontal
横向滚动
vertical
竖向滚动
scroll-x boolean false
允许横向滚动,不支持同时设置scroll-y属性为true,同时设置true时scroll-y生效。已废弃,请改用direction
scroll-y boolean true
允许纵向滚动,不支持同时设置scroll-x属性为true,同时设置true时scroll-y生效。已废弃,请改用direction
rebound boolean true
控制是否回弹效果。已废弃,请改用bounces
associative-container string ""
关联的滚动容器
合法值 兼容性 描述
nested-scroll-view
嵌套滚动
bounces boolean true
控制是否回弹效果 优先级高于rebound
upper-threshold number 50
距顶部/左边多远时(单位px),触发 scrolltoupper 事件
lower-threshold number 50
距底部/右边多远时(单位px),触发 scrolltolower 事件
scroll-top number 0
设置竖向滚动条位置
scroll-left number 0
设置横向滚动条位置
show-scrollbar boolean true
控制是否出现滚动条
scroll-into-view string(string.IDString) -
值应为某子元素id(id不能以数字开头)。设置哪个方向可滚动,则在哪个方向滚动到该元素起始位置
scroll-with-animation boolean false
是否在设置滚动条位置时使用滚动动画,设置false没有滚动动画
refresher-enabled boolean false
开启下拉刷新,暂时不支持scroll-x = true横向刷新
refresher-threshold number 45
设置下拉刷新阈值, 仅 refresher-default-style = 'none' 自定义样式下生效
refresher-max-drag-distance number -
设置下拉最大拖拽距离(单位px),默认是下拉刷新控件高度的2.5倍
refresher-default-style string "black"
设置下拉刷新默认样式,支持设置 black | white | none, none 表示不使用默认样式
合法值 兼容性 描述
black
深颜色雪花样式
white
浅白色雪花样式
none
不使用默认样式
refresher-background string(string.ColorString) "transparent"
设置下拉刷新区域背景颜色,默认透明
refresher-triggered boolean false
设置当前下拉刷新状态,true 表示下拉刷新已经被触发,false 表示下拉刷新未被触发
enable-back-to-top boolean false
iOS点击顶部状态栏滚动条返回顶部,只支持竖向
custom-nested-scroll boolean false
子元素是否开启嵌套滚动 将滚动事件与父元素协商处理
padding Array -
(Array)
长度为 4 的数组,按 top、right、bottom、left 顺序指定内边距
@refresherpulling (event: UniRefresherEvent) => void -
下拉刷新控件被下拉
@refresherrefresh (event: UniRefresherEvent) => void -
下拉刷新被触发
@refresherrestore (event: UniRefresherEvent) => void -
下拉刷新被复位
@refresherabort (event: UniRefresherEvent) => void -
下拉刷新被中止
@scrolltoupper (event: UniScrollToUpperEvent) => void -
滚动到顶部/左边,会触发 scrolltoupper 事件
@scrolltolower (event: UniScrollToLowerEvent) => void -
滚动到底部/右边,会触发 scrolltolower 事件
@scroll (event: UniScrollEvent) => void -
滚动时触发,event.detail = {scrollLeft, scrollTop, scrollHeight, scrollWidth, deltaX, deltaY}
@scrollend (event: UniScrollEvent) => void -
滚动结束时触发,event.detail = {scrollLeft, scrollTop, scrollHeight, scrollWidth, deltaX, deltaY}

# 事件

# UniRefresherEvent

# UniRefresherEvent 的属性值
名称 类型 必填 默认值 兼容性 描述
detail UniRefresherEventDetail - - -
名称 类型 必备 默认值 兼容性 描述
dy number - - -

# UniScrollToUpperEvent

# UniScrollToUpperEvent 的属性值
名称 类型 必填 默认值 兼容性 描述
detail UniScrollToUpperEventDetail - -
名称 类型 必备 默认值 兼容性 描述
direction string - - 滚动方向 top 或 left

# UniScrollToLowerEvent

# UniScrollToLowerEvent 的属性值
名称 类型 必填 默认值 兼容性 描述
detail UniScrollToLowerEventDetail - -
名称 类型 必备 默认值 兼容性 描述
direction string - - 滚动方向 bottom 或 right

# UniScrollEvent

# UniScrollEvent 的属性值
名称 类型 必填 默认值 兼容性 描述
detail UniScrollEventDetail - -
名称 类型 必备 默认值 兼容性 描述
scrollTop number - - 竖向滚动的距离
scrollLeft number - - 横向滚动的距离
scrollHeight number - - 滚动区域的高度
scrollWidth number - - 滚动区域的宽度
deltaY number - - 当次滚动事件竖向滚动量
deltaX number - - 当次滚动事件横向滚动量

# 自定义下拉刷新样式

list-view组件有默认的下拉刷新样式,如果想自定义,则需使用自定义下拉刷新。

  1. 设置refresher-default-style属性为 none 不使用默认样式
  2. 设置 list-item 定义自定义下拉刷新元素并声明为 slot="refresher",需要设置刷新元素宽高信息否则可能无法正常显示!
    <template>
    	<list-view refresher-default-style="none" :refresher-enabled="true" :refresher-triggered="refresherTriggered"
    			 @refresherpulling="onRefresherpulling" @refresherrefresh="onRefresherrefresh"
    			 @refresherrestore="onRefresherrestore" style="flex:1" >
    
    		<list-item v-for="i in 10" class="content-item">
    			<text class="text">item-{{i}}</text>
    		</list-item>
    
    		<!-- 自定义下拉刷新元素 -->
    		<list-item slot="refresher" class="refresh-box">
    			<text class="tip-text">{{text[state]}}</text>
    		</list-item>
    	</list-view>
    </template>
    
  3. 通过组件提供的refresherpulling、refresherrefresh、refresherrestore、refresherabort下拉刷新事件调整自定义下拉刷新元素!实现预期效果

注意:

  • 3.93版本开始支持
  • 目前自定义下拉刷新元素不支持放在list-view的首个子元素位置上。可能无法正常显示

# 嵌套模式

scroll-view开启嵌套模式后,list-view 可作为内层滚动视图与外层 scroll-view 实现嵌套滚动

设置内层 list-view 的 associative-container 属性为 "nested-scroll-view",开启内层 list-view 支持与外层 scroll-view 嵌套滚动

# 子组件

子组件 兼容性
list-item
sticky-header
sticky-section

子组件sticky-header/section用于处理吸顶的场景。

# 示例

示例为hello uni-app x alpha分支,与最新HBuilderX Alpha版同步。与最新正式版同步的master分支示例另见

扫码体验(手机浏览器跳转到App直达页)

示例

<script setup lang="uts">
  type ScrollEventTest = {
    type : string;
    target : UniElement | null;
    currentTarget : UniElement | null;
    direction ?: string
  }

  import { ItemType } from '@/components/enum-data/enum-data-types'

  type DataType = {
    refresher_triggered_boolean: boolean;
    refresher_enabled_boolean: boolean;
    scroll_with_animation_boolean: boolean;
    show_scrollbar_boolean: boolean;
    bounces_boolean: boolean;
    scroll_y_boolean: boolean;
    scroll_x_boolean: boolean;
    scroll_direction: string;
    upper_threshold_input: number;
    lower_threshold_input: number;
    scroll_top_input: number;
    scroll_left_input: number;
    refresher_background_input: string;
    scrollData: Array<string>;
    size_enum: ItemType[];
    scrollIntoView: string;
    refresherrefresh: boolean;
    refresher_default_style_input: string;
    text: string[];
    state: number;
    reset: boolean;
    // 自动化测试
    isScrollTest: string;
    isScrolltolowerTest: string;
    isScrolltoupperTest: string;
    scrollDetailTest: UniScrollEventDetail | null;
    scrollEndDetailTest: UniScrollEventDetail | null;
  }

  // 使用reactive解决ref数据在自动化测试中无法访问
  const data = reactive({
    refresher_triggered_boolean: false,
    refresher_enabled_boolean: false,
    scroll_with_animation_boolean: false,
    show_scrollbar_boolean: false,
    bounces_boolean: true,
    scroll_y_boolean: true,
    scroll_x_boolean: false,
    scroll_direction: "vertical",
    upper_threshold_input: 50,
    lower_threshold_input: 50,
    scroll_top_input: 0,
    scroll_left_input: 0,
    refresher_background_input: "#FFF",
    scrollData: [],
    size_enum: [{ "value": 0, "name": "item---0" }, { "value": 3, "name": "item---3" }],
    scrollIntoView: "",
    refresherrefresh: false,
    refresher_default_style_input: "black",
    text: ['继续下拉执行刷新', '释放立即刷新', '刷新中', ""],
    state: 3,
    reset: true,
    // 自动化测试
    isScrollTest: '',
    isScrolltolowerTest: '',
    isScrolltoupperTest: '',
    scrollDetailTest: null,
    scrollEndDetailTest: null,
  } as DataType)

  onLoad(() => {
    let lists : Array<string> = []
    for (let i = 0; i < 10; i++) {
      lists.push("item---" + i)
    }
    data.scrollData = lists
  })
  const list_view_click = () => { console.log("组件被点击时触发") }
  const list_view_touchstart = () => { console.log("手指触摸动作开始") }
  const list_view_touchmove = () => { console.log("手指触摸后移动") }
  const list_view_touchcancel = () => { console.log("手指触摸动作被打断,如来电提醒,弹窗") }
  const list_view_touchend = () => { console.log("手指触摸动作结束") }
  const list_view_tap = () => { console.log("手指触摸后马上离开") }
  const list_view_longpress = () => { console.log("如果一个组件被绑定了 longpress 事件,那么当用户长按这个组件时,该事件将会被触发。") }

  const list_view_refresherpulling = (e: RefresherEvent) => {
    console.log("下拉刷新控件被下拉")
    if (data.reset) {
      if (e.detail.dy > 45) {
        data.state = 1
      } else {
        data.state = 0
      }
    }
  }

  const list_view_refresherrefresh = () => {
    console.log("下拉刷新被触发 ")
    data.refresherrefresh = true
    data.refresher_triggered_boolean = true
    data.state = 2
    data.reset = false;
    setTimeout(() => {
      data.refresher_triggered_boolean = false
    }, 1500)
  }

  const list_view_refresherrestore = () => {
    data.refresherrefresh = false
    data.state = 3
    data.reset = true
    console.log("下拉刷新被复位")
  }

  const list_view_refresherabort = () => { console.log("下拉刷新被中止") }

  // 自动化测试专用(由于事件event参数对象中存在循环引用,在ios端JSON.stringify报错,自动化测试无法page.data获取)
  const checkEventTest = (e: ScrollEventTest, eventName: String) => {
    const isPass = e.type === eventName && e.target instanceof UniElement && e.currentTarget instanceof UniElement;
    const result = isPass ? `${eventName}:Success` : `${eventName}:Fail`;
    switch (eventName) {
      case 'scroll':
        data.isScrollTest = result
        break;
      case 'scrolltolower':
        data.isScrolltolowerTest = result + `-${e.direction}`
        break;
      case 'scrolltoupper':
        data.isScrolltoupperTest = result + `-${e.direction}`
        break;
      default:
        break;
    }
  }


  const list_view_scrolltoupper = (e: UniScrollToUpperEvent) => {
    console.log("滚动到顶部/左边,会触发 scrolltoupper 事件  direction=" + e.detail.direction)
    checkEventTest({
      type: e.type,
      target: e.target,
      currentTarget: e.currentTarget,
      direction: e.detail.direction,
    } as ScrollEventTest, 'scrolltoupper')
  }

  const list_view_scrolltolower = (e: UniScrollToLowerEvent) => {
    console.log("滚动到底部/右边,会触发 scrolltolower 事件  direction=" + e.detail.direction)
    checkEventTest({
      type: e.type,
      target: e.target,
      currentTarget: e.currentTarget,
      direction: e.detail.direction,
    } as ScrollEventTest, 'scrolltolower')
  }

  const list_view_scroll = (e: UniScrollEvent) => {
    console.log("滚动时触发,event.detail = {scrollLeft, scrollTop, scrollHeight, scrollWidth, deltaX, deltaY}")
    data.scrollDetailTest = e.detail
    checkEventTest({
      type: e.type,
      target: e.target,
      currentTarget: e.currentTarget
    } as ScrollEventTest, 'scroll')
  }

  const list_view_scrollend = (e: UniScrollEvent) => {
    console.log("滚动结束时触发", e.detail)
    data.scrollEndDetailTest = e.detail
    checkEventTest({
      type: e.type,
      target: e.target,
      currentTarget: e.currentTarget
    } as ScrollEventTest, 'scrollend')
  }

  const list_item_click = () => { console.log("list-item组件被点击时触发") }
  const list_item_touchstart = () => { console.log("手指触摸list-item组件动作开始") }
  const list_item_touchmove = () => { console.log("手指触摸list-item组件后移动") }
  const list_item_touchcancel = () => { console.log("手指触摸list-item组件动作被打断,如来电提醒,弹窗") }
  const list_item_touchend = () => { console.log("手指触摸list-item组件动作结束") }
  const list_item_tap = () => { console.log("手指触摸list-item组件后马上离开") }
  const list_item_longpress = () => { console.log("list-item组件被绑定了 longpress 事件,那么当用户长按这个组件时,该事件将会被触发。") }

  const change_refresher_triggered_boolean = (checked: boolean) => { data.refresher_triggered_boolean = checked }
  const change_refresher_enabled_boolean = (checked: boolean) => { data.refresher_enabled_boolean = checked }
  const change_scroll_with_animation_boolean = (checked: boolean) => { data.scroll_with_animation_boolean = checked }
  const change_show_scrollbar_boolean = (checked: boolean) => { data.show_scrollbar_boolean = checked }
  const change_bounces_boolean = (checked: boolean) => { data.bounces_boolean = checked }

  const change_scroll_direction = () => {
    if (data.scroll_y_boolean && data.scroll_x_boolean || data.scroll_y_boolean) {
      data.scroll_direction = "vertical"
    } else if (!data.scroll_y_boolean && !data.scroll_x_boolean) {
      data.scroll_direction = "none"
    } else if (!data.scroll_y_boolean && data.scroll_x_boolean) {
      data.scroll_direction = "horizontal"
    }
  }

  const change_scroll_y_boolean = (checked: boolean) => {
    data.scroll_y_boolean = checked
    change_scroll_direction()
  }

  const change_scroll_x_boolean = (checked: boolean) => {
    data.scroll_x_boolean = checked
    change_scroll_direction()
  }

  const confirm_upper_threshold_input = (value: number) => { data.upper_threshold_input = value }
  const confirm_lower_threshold_input = (value: number) => { data.lower_threshold_input = value }
  const confirm_scroll_top_input = (value: number) => { data.scroll_top_input = value }
  const confirm_scroll_left_input = (value: number) => { data.scroll_left_input = value }
  const confirm_refresher_background_input = (value: string) => { data.refresher_background_input = value }
  const item_change_size_enum = (index: number) => { data.scrollIntoView = "item---" + index }

  //自动化测试专用
  const setScrollIntoView = (id: string) => { data.scrollIntoView = id }

  //自动化测试例专用
  const check_scroll_height = (): Boolean => {
    var listElement = uni.getElementById("listview") as UniElement
    console.log("check_scroll_height--" + listElement.scrollHeight)
    if (listElement.scrollHeight > 2000) {
      return true
    }
    return false
  }

  //自动化测试例专用
  const check_scroll_width = (): Boolean => {
    var listElement = uni.getElementById("listview") as UniElement
    console.log("check_scroll_width" + listElement.scrollWidth)
    if (listElement.scrollWidth > 2000) {
      return true
    }
    return false
  }

  const change_refresher_style_boolean = (checked: boolean) => {
    if (checked) {
      data.refresher_default_style_input = "none"
    } else {
      data.refresher_default_style_input = "black"
    }
  }

  defineExpose({
    data,
    confirm_scroll_top_input,
    change_scroll_x_boolean,
    change_scroll_y_boolean,
    confirm_scroll_left_input,
    check_scroll_height,
    check_scroll_width,
    item_change_size_enum,
    setScrollIntoView
  })
</script>

<template>
  <view class="main">
    <list-view :direction="data.scroll_direction" :bounces="data.bounces_boolean" :upper-threshold="data.upper_threshold_input"
      :lower-threshold="data.lower_threshold_input" :scroll-top="data.scroll_top_input" :scroll-left="data.scroll_left_input"
      :show-scrollbar="data.show_scrollbar_boolean" :scroll-into-view="data.scrollIntoView"
      :scroll-with-animation="data.scroll_with_animation_boolean" :refresher-enabled="data.refresher_enabled_boolean"
      :refresher-background="data.refresher_background_input" :refresher-triggered="data.refresher_triggered_boolean"
      :refresher-default-style="data.refresher_default_style_input" @click="list_view_click"
      @touchstart="list_view_touchstart" @touchmove="list_view_touchmove" @touchcancel="list_view_touchcancel"
      @touchend="list_view_touchend" @tap="list_view_tap" @longpress="list_view_longpress"
      @refresherpulling="list_view_refresherpulling" @refresherrefresh="list_view_refresherrefresh"
      @refresherrestore="list_view_refresherrestore" @refresherabort="list_view_refresherabort"
      @scrolltoupper="list_view_scrolltoupper" ref="listview" @scrolltolower="list_view_scrolltolower"
      @scroll="list_view_scroll" @scrollend="list_view_scrollend" style="width:100%;" id="listview">
      <list-item v-for="key in data.scrollData" :key="key" :id="key" @click="list_item_click"
        @touchstart="list_item_touchstart" @touchmove="list_item_touchmove" @touchcancel="list_item_touchcancel"
        @touchend="list_item_touchend" @tap="list_item_tap" @longpress="list_item_longpress" class="list-item">
        <text>{{key}}</text>
      </list-item>
      <!-- #ifdef APP -->
      <list-item slot="refresher" class="refresh-box">
        <text class="tip-text">{{data.text[data.state]}}</text>
      </list-item>
      <!-- #endif -->
    </list-view>
  </view>

  <scroll-view style="flex:1" direction="vertical">
    <view class="content">
      <!-- #ifdef APP -->
      <boolean-data :defaultValue="false" title="设置当前下拉刷新状态,true 表示下拉刷新已经被触发,false 表示下拉刷新未被触发"
        @change="change_refresher_triggered_boolean"></boolean-data>
      <boolean-data :defaultValue="false" title="开启下拉刷新" @change="change_refresher_enabled_boolean"></boolean-data>
      <boolean-data :defaultValue="false" title="开启自定义样式" @change="change_refresher_style_boolean"></boolean-data>
      <!-- #endif -->
      <boolean-data :defaultValue="false" title="是否在设置滚动条位置时使用滚动动画,设置false没有滚动动画"
        @change="change_scroll_with_animation_boolean"></boolean-data>
      <boolean-data :defaultValue="false" title="控制是否出现滚动条" @change="change_show_scrollbar_boolean"></boolean-data>
      <!-- #ifdef APP -->
      <boolean-data :defaultValue="true" title="控制是否回弹效果" @change="change_bounces_boolean"></boolean-data>
      <!-- #endif -->
      <boolean-data :defaultValue="true" title="允许纵向滚动" @change="change_scroll_y_boolean"></boolean-data>
      <!-- #ifdef APP -->
      <boolean-data :defaultValue="false" title="允许横向滚动" @change="change_scroll_x_boolean"></boolean-data>
      <!-- #endif -->
      <input-data defaultValue="50" title="距顶部/左边多远时(单位px),触发 scrolltoupper 事件" type="number"
        @confirm="confirm_upper_threshold_input"></input-data>
      <input-data defaultValue="50" title="距底部/右边多远时(单位px),触发 scrolltolower 事件" type="number"
        @confirm="confirm_lower_threshold_input"></input-data>
      <input-data defaultValue="0" title="设置竖向滚动条位置" type="number" @confirm="confirm_scroll_top_input"></input-data>
      <!-- #ifdef APP -->
      <input-data defaultValue="0" title="设置横向滚动条位置" type="number" @confirm="confirm_scroll_left_input"></input-data>
      <input-data defaultValue="#FFF" title="设置下拉刷新区域背景颜色" type="text"
        @confirm="confirm_refresher_background_input"></input-data>
      <enum-data :items="data.size_enum" title="通过id位置跳转" @change="item_change_size_enum"></enum-data>
      <navigator url="/pages/component/list-view/list-view-refresh">
        <button type="primary" class="button">
          list-view 下拉刷新
        </button>
      </navigator>
      <!-- #endif -->
      <navigator url="/pages/component/list-view/list-view-multiplex">
        <button type="primary" class="button">
          list-view 对list-item复用测试
        </button>
      </navigator>
      <navigator url="/pages/component/list-view/list-view-multiplex-input">
        <button type="primary" class="button">
          list-view 复用测试(item中嵌入input)
        </button>
      </navigator>
      <navigator url="/pages/component/list-view/list-view-multiplex-video">
        <button type="primary" class="button">
          list-view 复用测试(item中嵌入video)
        </button>
      </navigator>
      <navigator url="/pages/component/list-view/list-view-children-in-slot">
        <button type="primary" class="button">
          list-view 测试插槽中子组件增删
        </button>
      </navigator>
      <navigator url="/pages/component/list-view/list-view-children-if-show">
        <button type="primary" class="button">
          list-item v-if v-show 组合增删
        </button>
      </navigator>
      <navigator url="/pages/template/im/im">
        <button type="primary" class="button">
          list-item 中设置长按事件测试
        </button>
      </navigator>
      <navigator url="/pages/component/list-view/list-view-form-item">
        <button type="primary" class="button">
          list-item 中使用表单元素测试
        </button>
      </navigator>
      <navigator url="/pages/component/list-view/list-view-with-type">
        <button type="primary" class="button">
          list-item 上使用 type 属性测试
        </button>
      </navigator>
      <navigator url="/pages/component/list-view/list-view-issue-17610">
        <button type="primary" class="button">
          list-view 子节点为多根节点组件
        </button>
      </navigator>
    </view>
  </scroll-view>
</template>

<style>
  .main {
    max-height: 250px;
    padding: 5px 0;
    border-bottom: 1px solid rgba(0, 0, 0, .06);
    flex-direction: row;
    justify-content: center;
  }

  .list-item {
    width: 100%;
    height: 250px;
    border: 1px solid #666;
    background-color: #66ccff;
    align-items: center;
    justify-content: center;
  }

  .tip-text {
    color: #888;
    font-size: 12px;
  }

  .refresh-box {
    justify-content: center;
    align-items: center;
    flex-direction: row;
    height: 45px;
    width: 100%;
  }

  .button {
    margin-top: 15px;
  }
  .content{
    padding-bottom: 20px;
  }
</style>

# 参见

# 蒸汽模式list-view调整 App Vapor

蒸汽模式下app端list-view调整为使用vue组件实现,list-view在滚动期间会复用出屏幕的list-item组件用于渲染新的列表数据,从而提升长列表的渲染性能,减少内存占用。

在蒸汽模式使用list-view需要注意以下几点:

  • list-item内部组件如果有内部状态不受绑定数据影响则需要依赖onReuse、onRecycle等生命周期函数进行状态重置,否则会出现状态错乱的问题,参考:组件生命周期文档
  • 蒸汽模式list-view内暂不支持sticky-header、sticky-section组件
  • list-view下仅第一个在list-item上的v-for支持复用,其他list-item会被当做view对待。
  • list-item的v-for必须要有:key属性,否则不会复用,此时list-item也会被当做view对待
  • list-item不支持设置margin样式
  • 不支持scroll-into-view属性
  • 不支持横向滚动

# 性能优化

长列表是非常需要注意性能优化的。 当你的长列表卡顿时,请注意:

  1. 尽可能减少列表item中的组件数量。
  2. 排查代码的内存泄漏,尤其是on后没有off。
  3. 不要一次性加载太多数据,而是分批加载。
  4. 对VNode、DOM进行虚拟化

这些技巧另有专门教程

# 示例代码

# Bug & Tips

  • 如需im那样的倒序列表,App端可给组件style配置 transform: rotate(180deg) 来实现。注意与下拉刷新有冲突,此时应避免启用下拉刷新。可参考uni-ai x源码
  • list-view组件的overflow属性不支持配置visible
  • list-view组件不适合做瀑布流,多列瀑布流另见 waterflow组件