<template>
<!-- #ifdef APP -->
<scroll-view style="flex: 1">
<!-- #endif -->
<view style="flex-grow: 1">
<view class="common-box">
<view>
<view class="title-container">
<text class="uni-title-text uni-common-mt">position: fixed</text>
</view>
<scroll-view class="test-scroll-view">
<view class="test-block red"></view>
<view class="common fixed" style="position: fixed">
<text class="text">fixed</text>
</view>
<view class="common fixed" style="position: fixed" flatten>
<text class="text">fixed(拍平)</text>
</view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
</scroll-view>
</view>
<view>
<view class="title-container">
<text class="uni-subtitle-text">(四方向组合: top + left + bottom + right)</text>
</view>
<scroll-view class="test-scroll-view">
<view class="test-block red"></view>
<view class="common combo-all-sides fixed-combo" style="position: fixed">
<text class="text">fixed 四方向</text>
</view>
<view class="common combo-all-sides fixed-combo" style="position: fixed" flatten>
<text class="text">fixed 四方向(拍平)</text>
</view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
</scroll-view>
</view>
</view>
<view class="common-box">
<view>
<view class="title-container">
<text class="uni-title-text uni-common-mt">position: absolute</text>
</view>
<scroll-view class="test-scroll-view">
<view class="test-block red"></view>
<view class="common" style="position: absolute">
<text class="text">absolute</text>
</view>
<view class="common" style="position: absolute" flatten>
<text class="text">absolute(拍平)</text>
</view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
</scroll-view>
</view>
<view>
<view class="title-container">
<text class="uni-subtitle-text">(四方向组合: top + left + bottom + right)</text>
</view>
<scroll-view class="test-scroll-view">
<view class="test-block red"></view>
<view class="common combo-all-sides-container" style="position: absolute">
<text class="text">absolute 四方向</text>
</view>
<view class="common combo-all-sides-container" style="position: absolute" flatten>
<text class="text">absolute 四方向(拍平)</text>
</view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
</scroll-view>
</view>
</view>
<view class="common-box">
<view>
<view class="title-container">
<text class="uni-title-text uni-common-mt">position: relative</text>
</view>
<scroll-view class="test-scroll-view">
<view class="test-block red"></view>
<view class="common" style="position: relative">
<text class="text">relative</text>
</view>
<view class="common" style="position: relative" flatten>
<text class="text">relative(拍平)</text>
</view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
</scroll-view>
</view>
<view>
<view class="title-container">
<text class="uni-subtitle-text uni-common-mt">(四方向组合: top + left + bottom + right)</text>
</view>
<scroll-view class="test-scroll-view">
<view class="test-block red"></view>
<view class="common combo-all-sides-container" style="position: relative">
<text class="text">relative 四方向</text>
</view>
<view class="common combo-all-sides-container" style="position: relative" flatten>
<text class="text">relative 四方向(拍平)</text>
</view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
<view class="test-block red"></view>
<view class="test-block green"></view>
<view class="test-block blue"></view>
</scroll-view>
</view>
</view>
<view class="uni-common-mb">
<text class="uni-title-text uni-common-mt">scroll-view 组件</text>
<text class="uni-subtitle-text">position: relative 和 position: absolute</text>
<view class="position-test-box">
<scroll-view class="scroll-view-common" style="position: relative; top: 20px; left: 20px; background-color: cyan;">
<text>relative</text>
</scroll-view>
<scroll-view class="scroll-view-common" style="position: absolute; top: 65px; left: 65px; background-color: green;">
<text>absolute</text>
</scroll-view>
</view>
</view>
<view class="uni-common-mt">
<text class="uni-title-text">setProperty 设置与 getPropertyValue 获取 position </text>
</view>
<view class="test-container">
<view class="test-item">
<text class="uni-subtitle-text">view 组件</text>
<text class="uni-info">设置值: {{data.position}}</text>
<text class="uni-info">获取值: {{data.positionActual}}</text>
<view class="test-box">
<view class="test-block-small red"></view>
<view ref="viewRef" class="common-dynamic test-view" style="top: 10px; left: 10px;" :style="{ position: data.position }">
<text style="font-size: 10px;">view</text>
</view>
<view class="test-block-small blue"></view>
</view>
</view>
<view class="test-item">
<text class="uni-subtitle-text">text 组件</text>
<text class="uni-info">设置值: {{data.position}}</text>
<text class="uni-info">获取值: {{data.positionActualText}}</text>
<view class="test-box">
<text class="test-block-small red test-block-small-text">红</text>
<text ref="textRef" class="common-dynamic common-text-dynamic test-text" style="top: 10px; left: 10px;" :style="{ position: data.position }">text</text>
<text class="test-block-small blue test-block-small-text">蓝</text>
</view>
</view>
<view class="test-item">
<text class="uni-subtitle-text">image 组件</text>
<text class="uni-info">设置值: {{data.position}}</text>
<text class="uni-info">获取值: {{data.positionActualImage}}</text>
<view class="test-box">
<image class="common-image-static" src="/static/test-image/logo.png"></image>
<image ref="imageRef" class="common-dynamic test-image" style="top: 10px; left: 10px;" :style="{ position: data.position }" src="/static/test-image/logo.png"></image>
<image class="common-image-static" src="/static/test-image/logo.png"></image>
</view>
</view>
</view>
<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="positionEnum" title="position 枚举值" @change="radioChangePosition" :compact="true"></enum-data>
<input-data :defaultValue="data.position" title="position 自定义值" type="text" @confirm="inputChangePosition"></input-data>
</view>
<view class="uni-common-mb">
<text>native-view组件: position: relative 和 position: absolute</text>
<view class="position-test-box">
<native-view class="scroll-view-common" style="position: relative; top: 20px; left: 20px; background-color: cyan;"></native-view>
<native-view class="scroll-view-common" style="position: absolute; top: 65px; left: 65px; background-color: green;"></native-view>
</view>
</view>
</view>
<!-- #ifdef APP -->
</scroll-view>
<!-- #endif -->
</template>
<script setup lang="uts">
import { ItemType } from '@/components/enum-data/enum-data-types'
const positionEnum: ItemType[] = [
{ value: 0, name: '' },
{ value: 1, name: 'static' },
{ value: 2, name: 'relative' },
{ value: 3, name: 'absolute' },
{ value: 4, name: 'fixed' }
]
const data = reactive({
position: 'relative',
positionActual: '',
positionActualText: '',
positionActualImage: ''
})
const viewRef = ref(null as UniElement | null)
const textRef = ref(null as UniTextElement | null)
const imageRef = ref(null as UniImageElement | null)
const getPropertyValues = () => {
data.positionActual = viewRef.value?.style.getPropertyValue('position') ?? ''
data.positionActualText = textRef.value?.style.getPropertyValue('position') ?? ''
data.positionActualImage = imageRef.value?.style.getPropertyValue('position') ?? ''
}
const changePosition = (value: string) => {
data.position = value
viewRef.value?.style.setProperty('position', value)
textRef.value?.style.setProperty('position', value)
imageRef.value?.style.setProperty('position', value)
// 使用 nextTick 确保样式已应用后再获取值
nextTick(() => {
getPropertyValues()
})
}
const radioChangePosition = (index: number) => {
const selectedItem = positionEnum.find((item): boolean => item.value === index)
if (selectedItem != null) {
changePosition(selectedItem.name)
}
}
const inputChangePosition = (value: string) => {
changePosition(value)
}
onReady(() => {
getPropertyValues()
})
defineExpose({
radioChangePosition,
data
})
</script>
<style>
.common-box{
flex-direction: row;
justify-content: space-around;
}
.title-container {
width: 180px;
height: 45px;
flex-direction: column;
}
.common {
width: 80px;
height: 50px;
background-color: green;
top: 60px;
left: 30px;
justify-content: center;
align-items: center;
}
.fixed {
/* #ifdef WEB*/
top: calc(var(--uni-safe-area-inset-top) + 60px);
left: calc(var(--uni-safe-area-inset-left) + 30px);
/* #endif */
}
.text {
width: 100%;
font-size:12px;
}
.test-block {
width: 50px;
height: 50px;
}
.test-block-small {
width: 40px;
height: 40px;
}
.test-block-small-text {
font-size: 10px;
}
.red {
background-color: red;
}
.blue {
background-color: blue;
}
.green {
background-color: green;
}
.test-scroll-view {
width: 180px;
height: 200px;
background-color: gray;
}
.combo-all-sides {
top: 60px;
left: 45%;
bottom: 40px;
right: 40px;
}
.fixed-combo {
/* #ifdef WEB*/
top: calc(var(--uni-safe-area-inset-top) + 60px);
left: calc(var(--uni-safe-area-inset-left) + 45%);
bottom: calc(var(--uni-safe-area-inset-bottom) + 40px);
right: calc(var(--uni-safe-area-inset-right) + 40px);
/* #endif */
}
.combo-all-sides-container {
top: 60px;
left: 30px;
bottom: 40px;
right: 30px;
}
.common-dynamic {
width: 40px;
height: 40px;
background-color: green;
}
.common-text-dynamic {
background-color: green;
color: white;
font-size: 10px;
padding: 5px;
}
.common-image-static {
width: 40px;
height: 40px;
background-color: rgba(255, 0, 0, 0.3);
}
.test-container {
flex-direction: row;
justify-content: space-between;
margin-top: 10px;
}
.test-item {
flex: 1;
margin: 0 5px;
}
.test-box {
width: 100%;
height: 120px;
background-color: gray;
position: relative;
}
.position-test-box {
position: relative;
width: 200px;
height: 150px;
background-color: #f5f5f5;
border: 1px solid #ddd;
margin-top: 10px;
}
.scroll-view-common {
width: 80px;
height: 60px;
}
</style>