OmniCard/mpuniapp/pages/CSS/display/flex.uvue

<template>
  <!-- #ifdef APP && !VUE3-VAPOR -->
  <scroll-view style="flex: 1">
  <!-- #endif -->
    <view>
      <view class="head">
        <text class="tip">下面有一个灰色区域，display默认值为flex</text>
        <text class="tip">当前display值：{{data.display}}</text>
      </view>
      <view class="content" :style="{display:data.display}">
        <text style="background-color: aquamarine;">展示display区域</text>
        <scroll-view>
          <text class="common-text" style="height: 20px;">scroll-view</text>
        </scroll-view>
        <text class="common-text" style="height: 20px;">下方有个native-view</text>
        <test-native-view style="width: 20px;height: 20px;background-color: cyan;"></test-native-view>
      </view>
      <button @tap="switchDisplay" class="uni-common-mb">切换display属性</button>

      <text class="uni-title-text uni-common-mt">scroll-view 组件</text>
      <text class="uni-subtitle-text">display: flex 和 display: none</text>
      <view class="demo-box">
        <scroll-view class="common-view" style="display: flex;">
          <text class="common-text">display: flex</text>
        </scroll-view>
        <scroll-view class="common-view" style="display: none;">
          <text class="common-text">display: none</text>
        </scroll-view>
      </view>

      <view class="uni-common-mt">
        <text class="uni-title-text">setProperty 设置与 getPropertyValue 获取</text>
      </view>

      <view class="test-container">
        <!-- view 组件测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">view 组件</text>
          <text class="uni-info">设置值: {{data.displayProp}}</text>
          <text class="uni-info">获取值: {{data.displayActual}}</text>
          <view class="test-box">
            <view ref="viewRef" class="common-view test-view" :style="{ display: data.displayProp }">
              <text class="common-text">view</text>
            </view>
          </view>
        </view>

        <!-- text 组件测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">text 组件</text>
          <text class="uni-info">设置值: {{data.displayProp}}</text>
          <text class="uni-info">获取值: {{data.displayActualText}}</text>
          <view class="test-box">
            <text ref="textRef" class="common-text test-text" :style="{ display: data.displayProp }">text</text>
          </view>
        </view>

        <!-- image 组件测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">image 组件</text>
          <text class="uni-info">设置值: {{data.displayProp}}</text>
          <text class="uni-info">获取值: {{data.displayActualImage}}</text>
          <view class="test-box">
            <image ref="imageRef" class="common-image test-image" :style="{ display: data.displayProp }" src="/static/test-image/logo.png"></image>
          </view>
        </view>
      </view>

      <!-- 测试控制区域 -->
      <view class="uni-common-mt uni-common-mb">
        <text class="uni-tips">第一个枚举值，'' (空字符串) - 空值情况</text>
        <enum-data :items="displayEnum" title="display 枚举值" @change="radioChangeDisplay" :compact="true"></enum-data>
        <input-data :defaultValue="data.displayProp" title="display 自定义值" type="text" @confirm="inputChangeDisplay"></input-data>
      </view>

      <view class="uni-common-mb">
        <text>native-view组件: display: flex 和 display: none</text>
        <view class="demo-box">
          <test-native-view class="common-view" style="display: flex;width:100px;"></test-native-view>
          <test-native-view class="common-view" style="display: none;width:100px;"></test-native-view>
        </view>
      </view>
    </view>
  <!-- #ifdef APP && !VUE3-VAPOR -->
  </scroll-view>
  <!-- #endif -->
</template>

<script setup lang="uts">
  import { ItemType } from '@/components/enum-data/enum-data-types'

  const data = reactive({
    display: 'flex',
    displayProp: 'flex',
    displayActual: '',
    displayActualText: '',
    displayActualImage: ''
  })

  const switchDisplay = () => {
    data.display = ('flex' == data.display) ? 'none' : 'flex'
  }

  const displayEnum: ItemType[] = [
    { value: 0, name: '' },
    { value: 1, name: 'flex' },
    { value: 2, name: 'none' }
  ]

  const viewRef = ref(null as UniElement | null)
  const textRef = ref(null as UniTextElement | null)
  const imageRef = ref(null as UniImageElement | null)

  const getPropertyValues = () => {
    data.displayActual = viewRef.value?.style.getPropertyValue('display') ?? ''
    data.displayActualText = textRef.value?.style.getPropertyValue('display') ?? ''
    data.displayActualImage = imageRef.value?.style.getPropertyValue('display') ?? ''
  }

  const changeDisplay = (value: string) => {
    data.displayProp = value
    viewRef.value?.style.setProperty('display', value)
    textRef.value?.style.setProperty('display', value)
    imageRef.value?.style.setProperty('display', value)
    // 使用 nextTick 确保样式已应用后再获取值
    nextTick(() => {
      getPropertyValues()
    })
  }

  const radioChangeDisplay = (index: number) => {
    const selectedItem = displayEnum.find((item): boolean => item.value === index)
    if (selectedItem != null) {
      changeDisplay(selectedItem.name)
    }
  }

  const inputChangeDisplay = (value: string) => {
    changeDisplay(value)
  }

  onReady(() => {
    getPropertyValues()
  })

  defineExpose({
    radioChangeDisplay,
    data
  })
</script>

<style>
  .page {
    height: 100%;
  }

  .head {
    margin-top: 10px;
    margin-bottom: 10px;
    align-items: center;
  }

  .tip {
    color: red;
  }

  .content {
    border: 5px dotted blue;
    margin: 10px auto;
    padding: 30px;
    width: 200px;
    height: 150px;
    background-color: gray;
    align-items: center;
    justify-content: center;
  }

  /* 多组件横向布局样式 */
  .test-container {
    flex-direction: row;
    margin-top: 10px;
  }

  .test-item {
    flex: 1;
    margin: 0 5px;
  }

  .test-box {
    width: 100%;
    height: 60px;
    background-color: gray;
  }

  .common-view {
    height: 50px;
    background-color: green;
  }

  .common-text {
    height: 50px;
    background-color: green;
    font-size: 12px;
    color: white;
  }

  .common-image {
    width: 50px;
    height: 50px;
    background-color: green;
  }

  .demo-box {
    flex-direction: row;
    justify-content: space-around;
    margin-top: 10px;
  }
</style>