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343 lines
9.2 KiB
343 lines
9.2 KiB
2 years ago
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<!--
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* @Author: weisheng
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* @Date: 2023-03-21 22:52:15
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* @LastEditTime: 2023-06-23 13:49:01
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* @LastEditors: weisheng
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* @Description:
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* @FilePath: \fant-mini-plus\src\uni_modules\fant-mini-plus\components\hd-section\hd-section.vue
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* 记得注释
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-->
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<template>
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<view class="hd-section" :style="subsectionStyle">
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<view
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class="hd-section-item"
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:style="itemStyle"
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@tap="click(index)"
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:class="[noBorderRight(index), 'hd-section-item-' + index]"
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v-for="(item, index) in listInfo"
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:key="index"
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>
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<view :style="textStyle(index)" class="hd-section-item-text">{{ item.name }}</view>
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</view>
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<view class="hd-section-item-bg" :style="itemBarStyle"></view>
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</view>
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</template>
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<script setup lang="ts">
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/**
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* Section 分段器
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*
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*/
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import { computed, getCurrentInstance, onMounted, ref, watch } from 'vue'
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import { CommonUtil } from '../..'
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type SectionMode = 'button' | 'subsection'
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interface Props {
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// 数据集合
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list: Array<any>
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// 当前激活项的下标
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current: number
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// 激活项的颜色
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activeColor?: string
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// 模式
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mode?: SectionMode
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// 字体大小,单位px
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fontSize?: number | string
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// 是否开启动画效果
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animation?: boolean
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// 组件的高度,单位px
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height?: number | string
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// 激活项的字体是否加粗
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bold?: boolean
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// 组件背景颜色( mode=button时生效)
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bgColor?: string
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// 滑块背景颜色( mode=button时生效)
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buttonColor?: string
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// 切换选项时是否振动
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vibrateShort?: boolean
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}
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const props = withDefaults(defineProps<Props>(), {
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// 数据集合
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list: () => [],
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// 当前激活项的下标
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current: 0,
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// 激活项的颜色
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activeColor: '#202124',
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// 模式
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mode: 'button',
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// 字体大小,单位px
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fontSize: '28rpx',
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// 是否开启动画效果
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animation: true,
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// 组件的高度,默认单位px
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height: '70rpx',
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// 激活项的字体是否加粗
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bold: true,
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// 组件背景颜色( mode=button时生效)
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bgColor: '#EBECEE',
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// 滑块背景颜色( mode=button时生效)
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buttonColor: '#ffffff',
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// 切换选项时是否振动
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vibrateShort: false
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})
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// 展示信息
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const listInfo = ref<any[]>([])
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const itemBgStyle = ref<Record<string, any>>({
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width: 0,
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left: 0,
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backgroundColor: '#ffffff',
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height: '100%',
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transition: ''
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})
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const buttonPadding = ref<number>(4) // mode = button 时,组件的内边距
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const borderRadius = ref<number>(5) // 圆角值
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const firstTimeVibrateShort = ref<boolean>(true) // 组件初始化时,会触发current变化,此时不应震动
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const currentIndex = ref<number>(0) // 当前选中的值
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watch(
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() => props.current,
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(newVal) => {
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currentIndex.value = newVal
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changeSectionStatus(newVal)
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}
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)
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// 设置mode=subsection时,滑块特有的样式
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const noBorderRight = computed(() => {
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return (index) => {
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if (props.mode !== 'subsection') return
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let classs = ''
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// 不显示右边的边框
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if (index < props.list.length - 1) classs += ' hd-none-border-right'
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// 显示整个组件的左右边圆角
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if (index === 0) classs += ' hd-section-item-first'
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if (index === props.list.length - 1) classs += ' hd-section-item-last'
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return classs
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}
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})
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// 文字的样式
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const textStyle = computed(() => {
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return (index) => {
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const style: Record<string, any> = {}
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// 设置字体颜色
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if (props.mode === 'subsection') {
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if (index === currentIndex.value) {
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style.color = '#ffffff'
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} else {
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style.color = props.activeColor
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}
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} else {
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if (index === currentIndex.value) {
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style.color = props.activeColor
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} else {
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style.color = ''
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}
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}
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// 字体加粗
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if (index === currentIndex.value && props.bold) style.fontWeight = 'bold'
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// 文字大小
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style.fontSize = CommonUtil.addUnit(CommonUtil.getPx(props.fontSize), 'px')
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return CommonUtil.style(style)
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}
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})
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// 每个分段器item的样式
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const itemStyle = computed(() => {
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const style: Record<string, any> = {}
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if (props.mode === 'subsection') {
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// 设置border的样式
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style.borderColor = props.activeColor
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style.borderWidth = '1px'
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style.borderStyle = 'solid'
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}
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return CommonUtil.style(style)
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})
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// mode=button时,外层view的样式
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const subsectionStyle = computed(() => {
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const style: Record<string, any> = {}
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style.height = CommonUtil.addUnit(CommonUtil.getPx(props.height), 'px')
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if (props.mode === 'button') {
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style.backgroundColor = props.bgColor
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style.padding = `${buttonPadding.value}px`
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style.borderRadius = `${borderRadius.value}px`
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}
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return CommonUtil.style(style)
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})
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// 滑块的样式
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const itemBarStyle = computed(() => {
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const style: Record<string, any> = {}
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style.backgroundColor = props.activeColor
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style.zIndex = 1
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if (props.mode === 'button') {
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style.backgroundColor = props.buttonColor
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style.borderRadius = `${borderRadius.value}px`
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style.height = CommonUtil.addUnit((CommonUtil.getPx(props.height) as number) - buttonPadding.value * 2, 'px')
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style.zIndex = 0
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}
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return CommonUtil.style(Object.assign(itemBgStyle.value, style))
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})
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onMounted(() => {
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currentIndex.value = props.current
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// 将list的数据,传入listInfo数组,因为不能修改props传递的list值
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// 可以接受直接数组形式,或者数组元素为对象的形式,如:['简介', '评论'],或者[{name: '简介'}, {name: '评论'}]
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listInfo.value = CommonUtil.deepClone(
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props.list.map((val, index) => {
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if (typeof val !== 'object') {
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const obj = {
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width: 0,
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name: val
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}
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return obj
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} else {
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val.width = 0
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return val
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}
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})
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)
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setTimeout(() => {
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getTabsInfo()
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}, 10)
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})
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// 改变滑块的样式
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function changeSectionStatus(nVal) {
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if (props.mode === 'subsection') {
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// 根据滑块在最左边和最右边时,显示左边和右边的圆角
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if (nVal === props.list.length - 1) {
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itemBgStyle.value.borderRadius = `0 ${buttonPadding.value}px ${buttonPadding.value}px 0`
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}
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if (nVal === 0) {
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itemBgStyle.value.borderRadius = `${buttonPadding.value}px 0 0 ${buttonPadding.value}px`
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}
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if (nVal > 0 && nVal < props.list.length - 1) {
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itemBgStyle.value.borderRadius = '0'
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}
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}
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// 更新滑块的位置
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setTimeout(() => {
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itemBgLeft()
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}, 10)
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if (props.vibrateShort && !firstTimeVibrateShort.value) {
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// 使手机产生短促震动,微信小程序有效,APP(HX 2.6.8)和H5无效
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// #ifndef H5
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uni.vibrateShort({})
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// #endif
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}
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// 第一次过后,设置firstTimeVibrateShort为false,让其下一次可以震动(如果允许震动的话)
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firstTimeVibrateShort.value = false
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}
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const emit = defineEmits(['change'])
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function click(index) {
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// 不允许点击当前激活选项
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if (index === currentIndex.value) return
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currentIndex.value = index
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changeSectionStatus(index)
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/**
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* 选项切换时触发
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* @arg value:Number 被激活项的下标
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*/
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emit('change', Number(index))
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}
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const { proxy } = getCurrentInstance() as any
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// 获取各个tab的节点信息
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function getTabsInfo() {
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const view = uni
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.createSelectorQuery()
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// #ifndef MP-ALIPAY
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.in(proxy)
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// #endif
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for (let i = 0; i < props.list.length; i++) {
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view.select('.hd-section-item-' + i).boundingClientRect()
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}
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view.exec((res) => {
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if (!res.length) {
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setTimeout(() => {
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getTabsInfo()
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}, 10)
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}
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// 将分段器每个item的宽度,放入listInfo数组
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res.map((val, index) => {
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listInfo.value[index].width = val.width
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})
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// 初始化滑块的宽度
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if (props.mode === 'subsection') {
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itemBgStyle.value.width = listInfo.value[0].width + 'px'
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} else if (props.mode === 'button') {
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itemBgStyle.value.width = listInfo.value[0].width + 'px'
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}
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// 初始化滑块的位置
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itemBgLeft()
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})
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}
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function itemBgLeft() {
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// 根据是否开启动画效果,
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if (props.animation) {
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itemBgStyle.value.transition = 'all 0.35s'
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} else {
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itemBgStyle.value.transition = 'all 0s'
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}
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let left = 0
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// 计算当前活跃item到组件左边的距离
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listInfo.value.map((val, index) => {
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if (index < currentIndex.value) left += val.width
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})
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// 根据mode不同模式,计算滑块需要移动的距离
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if (props.mode === 'subsection') {
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itemBgStyle.value.left = left + 'px'
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} else if (props.mode === 'button') {
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itemBgStyle.value.left = left + buttonPadding.value + 'px'
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}
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}
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</script>
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<style lang="scss" scoped>
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.hd-section {
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display: flex;
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align-items: center;
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position: relative;
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}
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.hd-section-item {
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flex: 1;
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text-align: center;
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font-size: 26rpx;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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color: #000000;
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display: inline-flex;
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padding: 0 6rpx;
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}
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.hd-section-item-bg {
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background-color: #ffffff;
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padding: 4px 0;
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position: absolute;
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z-index: -1;
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}
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.hd-none-border-right {
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border-right: none !important;
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}
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.hd-section-item-first {
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border-top-left-radius: 8rpx;
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border-bottom-left-radius: 8rpx;
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}
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.hd-section-item-last {
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border-top-right-radius: 8rpx;
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border-bottom-right-radius: 8rpx;
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}
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.hd-section-item-text {
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transition: all 0.35s;
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color: #65686f;
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display: flex;
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align-items: center;
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position: relative;
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z-index: 99;
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}
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</style>
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