简体中文
简体中文
# right
right CSS 属性定义了定位元素的右外边距边界与其包含块右边界之间的偏移，非定位元素设置此属性无效。
# uni-app x 兼容性
| Web | Android | iOS | HarmonyOS | HarmonyOS(Vapor) |
|---|---|---|---|---|
| 4.0 | 3.9 | 4.11 | 4.61 | 5.0 |
# 语法
right: <length> | <percentage> | auto;
# 值限制
- length
- percentage
# right 的属性值
| 名称 | 兼容性 | 描述 |
|---|---|---|
| auto | 这个关键字表示： 对于绝对定位元素，元素将忽略此属性而以 left 属性为准，如果此时设置 width: auto，将基于内容需要的宽度设置宽度；如果 left 也为 auto 的话，元素的水平位置就是它假如作为静态（即 static）元素时该在的位置。 对于相对定位元素，元素相对正常位置的偏移量将基于 left 属性；如果 left 也为 auto 的话，元素将不会有偏移。 |
# 默认值
auto
# 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
示例
<template>
<!-- #ifdef APP -->
<scroll-view style="flex: 1">
<!-- #endif -->
<view style="flex-grow: 1;">
<view class="uni-common-mb">
<text class="uni-title-text">right: 20px (距离右边 20px) - 右侧：拍平</text>
<view class="test-container">
<view class="example-box">
<view class="common" style="right: 20px;"></view>
</view>
<view class="example-box">
<view class="common" style="right: 20px;" flatten></view>
</view>
</view>
</view>
<view class="uni-common-mb">
<text class="uni-title-text">right: 20rpx (距离右边 20rpx) - 右侧：拍平</text>
<view class="test-container">
<view class="example-box">
<view class="common" style="right: 20rpx;"></view>
</view>
<view class="example-box">
<view class="common" style="right: 20rpx;" flatten></view>
</view>
</view>
</view>
<view class="uni-common-mb">
<text class="uni-title-text">right: 20% (距离右边 20%) - 右侧：拍平</text>
<view class="test-container">
<view class="example-box">
<view class="common" style="right: 20%;"></view>
</view>
<view class="example-box">
<view class="common" style="right: 20%;" flatten></view>
</view>
</view>
</view>
<view class="uni-common-mb">
<text class="uni-title-text">right: auto (自动，默认左边对齐) - 右侧：拍平</text>
<view class="test-container">
<view class="example-box">
<view class="common" style="right: auto;"></view>
</view>
<view class="example-box">
<view class="common" style="right: auto;" flatten></view>
</view>
</view>
</view>
<view class="uni-common-mt">
<text class="uni-title-text">setProperty 设置与 getPropertyValue 获取 right </text>
</view>
<!-- 普通版本 -->
<view class="test-container">
<view class="test-item">
<text class="uni-subtitle-text">view 组件</text>
<text class="uni-info">设置值: {{right}}</text>
<text class="uni-info">获取值: {{rightActual}}</text>
<view class="test-box">
<view ref="viewRef" class="common test-view" :style="{ right: right }">
<text class="common-text">view</text>
</view>
</view>
</view>
<view class="test-item">
<text class="uni-subtitle-text">text 组件</text>
<text class="uni-info">设置值: {{right}}</text>
<text class="uni-info">获取值: {{rightActualText}}</text>
<view class="test-box">
<text ref="textRef" class="common common-text test-text" :style="{ right: right }">text</text>
</view>
</view>
<view class="test-item">
<text class="uni-subtitle-text">image 组件</text>
<text class="uni-info">设置值: {{right}}</text>
<text class="uni-info">获取值: {{rightActualImage}}</text>
<view class="test-box">
<image ref="imageRef" class="common test-image" :style="{ right: right }" src="/static/test-image/logo.png"></image>
</view>
</view>
</view>
<!-- 拍平版本 -->
<view class="test-container">
<view class="test-item">
<text class="uni-subtitle-text">view 组件拍平</text>
<text class="uni-info">设置值: {{right}}</text>
<text class="uni-info">获取值: {{rightActualFlat}}</text>
<view class="test-box">
<view ref="viewRefFlat" class="common test-view-flatten" :style="{ right: right }" flatten>
<text class="common-text">view</text>
</view>
</view>
</view>
<view class="test-item">
<text class="uni-subtitle-text">text 组件拍平</text>
<text class="uni-info">设置值: {{right}}</text>
<text class="uni-info">获取值: {{rightActualTextFlat}}</text>
<view class="test-box">
<text ref="textRefFlat" class="common common-text test-text-flatten" :style="{ right: right }" flatten>text</text>
</view>
</view>
<view class="test-item">
<text class="uni-subtitle-text">image 组件拍平</text>
<text class="uni-info">设置值: {{right}}</text>
<text class="uni-info">获取值: {{rightActualImageFlat}}</text>
<view class="test-box">
<image ref="imageRefFlat" class="common test-image-flatten" :style="{ right: right }" flatten 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="rightEnum" title="right 枚举值" @change="radioChangeRight" :compact="true"></enum-data>
<input-data :defaultValue="right" title="right 自定义值" type="text" @confirm="inputChangeRight"></input-data>
</view>
</view>
<!-- #ifdef APP -->
</scroll-view>
<!-- #endif -->
</template>
<script setup lang="uts">
import { ItemType } from '@/components/enum-data/enum-data-types'
const rightEnum: ItemType[] = [
{ value: 0, name: '' },
{ value: 1, name: '0' },
{ value: 2, name: '0px' },
{ value: 3, name: '20px' },
{ value: 4, name: '40rpx' },
{ value: 5, name: '0%' },
{ value: 6, name: '50%' },
{ value: 7, name: 'auto' }
]
const right = ref('10px')
const rightActual = ref('')
const rightActualText = ref('')
const rightActualImage = ref('')
const rightActualFlat = ref('')
const rightActualTextFlat = ref('')
const rightActualImageFlat = ref('')
const viewRef = ref(null as UniElement | null)
const textRef = ref(null as UniTextElement | null)
const imageRef = ref(null as UniImageElement | null)
const viewRefFlat = ref(null as UniElement | null)
const textRefFlat = ref(null as UniTextElement | null)
const imageRefFlat = ref(null as UniImageElement | null)
const getPropertyValues = () => {
rightActual.value = viewRef.value?.style.getPropertyValue('right') ?? ''
rightActualFlat.value = viewRefFlat.value?.style.getPropertyValue('right') ?? ''
rightActualText.value = textRef.value?.style.getPropertyValue('right') ?? ''
rightActualTextFlat.value = textRefFlat.value?.style.getPropertyValue('right') ?? ''
rightActualImage.value = imageRef.value?.style.getPropertyValue('right') ?? ''
rightActualImageFlat.value = imageRefFlat.value?.style.getPropertyValue('right') ?? ''
}
const changeRight = (value: string) => {
right.value = value
viewRef.value?.style.setProperty('right', value)
viewRefFlat.value?.style.setProperty('right', value)
textRef.value?.style.setProperty('right', value)
textRefFlat.value?.style.setProperty('right', value)
imageRef.value?.style.setProperty('right', value)
imageRefFlat.value?.style.setProperty('right', value)
// 使用 nextTick 确保样式已应用后再获取值
nextTick(() => {
getPropertyValues()
})
}
const radioChangeRight = (index: number) => {
const selectedItem = rightEnum.find((item): boolean => item.value === index)
if (selectedItem != null) {
changeRight(selectedItem.name)
}
}
const inputChangeRight = (value: string) => {
changeRight(value)
}
onReady(() => {
getPropertyValues()
})
defineExpose({
radioChangeRight
})
</script>
<style>
.example-box {
position: relative;
flex: 1;
height: 60px;
background-color: #f5f5f5;
border: 1px solid #ddd;
margin: 0 5px;
}
.common {
position: absolute;
width: 60px;
height: 60px;
background-color: cyan;
}
.common-text{
width:50px;
font-size: 12px;
}
.test-container {
flex-direction: row;
justify-content: space-between;
margin-top: 10px;
}
.test-item {
flex: 1;
margin: 0 5px;
}
.test-box {
position: relative;
width: 100%;
height: 60px;
background-color: #e0e0e0;
}
</style>
