mirror of
https://gitee.com/beijing_hongye_huicheng/lilishop-uniapp.git
synced 2026-08-06 10:57:25 +08:00
349ffa4f34
- 将多个组件转换为 `<script setup>` 语法，提升可读性和性能 - 优化状态管理和事件处理逻辑，简化代码结构 - 更新样式和布局以适应新组件结构 - 添加新功能和修复已知问题，提升用户体验
391 lines
8.7 KiB
Vue
391 lines
8.7 KiB
Vue
<template>
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<view>
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<view
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class="mask"
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:class="{ maskShow: showPicker }"
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@click="hide"
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@click.stop.prevent
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@touchmove.stop.prevent
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catchtouchmove="true"
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></view>
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<view class="cpicker-content" :class="{ cpickerShow: showPicker }">
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<view
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class="city-head"
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@click.stop.prevent
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@touchmove.stop.prevent
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catchtouchmove="true"
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>
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<view class="city-head-title">{{ headTitle }}</view>
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<icon
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type="clear"
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v-if="clearRightIcon"
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class="clearRightIcon"
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size="20"
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color="#cccccc"
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@click="hide"
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></icon>
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</view>
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<scroll-view
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id="nav-bar"
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class="nav-bar"
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scroll-x="true"
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scroll-with-animation="true"
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:scroll-left="scrollLeft"
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>
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<view
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v-for="(item, index) in tabbars"
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class="nav-item"
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:key="index"
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:id="'tab' + index"
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@click="changeTab(index)"
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:class="{ current: index === tabCurrentIndex }"
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><text class="nav-bar-title">{{ item.localName }}</text></view
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>
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</scroll-view>
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<view class="city_content">
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<scroll-view
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class="panel-scroll-box"
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:scroll-y="enableScroll"
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:cscrollTop="scrollTop"
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:current="tabCurrentIndex"
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:scroll-top="scrollTop"
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>
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<block
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v-for="(item, index) in tabbars[tabCurrentIndex].children"
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:key="index"
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>
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<view
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class="flex-row-c-c"
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@click="changCity(tabCurrentIndex, item)"
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>
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<text
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class="city-text"
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:class="{ color: tabbars[tabCurrentIndex].id == item.id }"
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>{{ item.name }}</text
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>
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<icon
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type="success_no_circle"
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v-if="tabbars[tabCurrentIndex].id == item.id"
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:id="'show' + tabCurrentIndex"
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class="ischeck"
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size="14"
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:color="$lightColor"
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></icon>
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</view>
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</block>
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</scroll-view>
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</view>
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</view>
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</view>
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</template>
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<script setup lang="ts">
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import { ref, getCurrentInstance } from 'vue'
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import { getRegionsById } from "@/api/common.js"
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const instance = getCurrentInstance()
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let windowWidth = 0
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const props = withDefaults(defineProps<{
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headTitle?: string
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pickerSize?: string | string[]
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provinceData?: any[]
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}>(), {
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headTitle: "区域选择",
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pickerSize: "1",
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provinceData: () => [],
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})
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const emit = defineEmits(['funcValue'])
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const clearRightIcon = ref(true)
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const scrollLeft = ref(500)
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const scrollTop = ref(0)
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const enableScroll = ref(true)
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const tabCurrentIndex = ref(0)
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const tabbars = ref<any[]>(props.provinceData)
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const pickersize = ref(props.pickerSize)
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const showPicker = ref(false)
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/**
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* 显示选择器
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*/
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const show = () => {
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showPicker.value = true
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if (tabbars.value[0].children.length == 0) {
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getRegionsById(0).then((res: any) => {
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tabbars.value[0].children = res.data.result
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})
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}
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windowWidth = uni.getSystemInfoSync().windowWidth
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}
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/**
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* 关闭选择器
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*/
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const hide = () => {
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showPicker.value = false
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}
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/**
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* tab切换
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*/
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const changeTab = (e: number) => {
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let index = e
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setScroll(index)
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//延迟300ms,等待swiper动画结束再修改tabbar
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tabCurrentIndex.value = index
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setTimeout(() => {
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getScroll("show" + index)
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}, 10)
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}
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/**
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* 获得元素的大小
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*/
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const getElSize = (id: string): Promise<any> => {
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return new Promise((res) => {
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let el = uni
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.createSelectorQuery()
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.in(instance!.proxy)
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.select("#" + id)
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el.fields(
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{
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size: true,
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scrollOffset: true,
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rect: true,
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},
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(data: any) => {
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res(data)
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}
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).exec()
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})
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}
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/**
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* 点击城市后回调
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*/
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const changCity = async (index: number, item: any) => {
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if (tabbars.value[index].id != item.id) {
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tabbars.value[index].localName = item.name
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tabbars.value[index].id = item.id
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tabbars.value[index].center = item.center
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if (index < tabbars.value.length - 1) {
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tabbars.value.splice(index + 1, tabbars.value.length - index - 1)
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}
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if (tabbars.value.length < pickersize.value as number) {
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uni.showLoading({
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title: "加载中",
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mask: true
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})
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try {
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let data = await getRegionsById(item.id)
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uni.hideLoading()
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// 当前选项级为最后一级时回调，将选中的数据返回
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if (data.data.result.length == 0) {
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emit("funcValue", tabbars.value)
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hide()
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} else {
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// 将新的数据填充进下一级
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var current = {
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localName: "请选择",
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id: "",
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children: data.data.result,
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}
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tabbars.value.push(current)
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tabCurrentIndex.value++
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// 当前距离重新为最上面
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scrollTop.value = 0
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}
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} catch (error) {
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uni.hideLoading()
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}
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} else {
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emit("funcValue", tabbars.value)
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hide()
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}
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}
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}
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/**
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* 获取当前tab中滚动的距离
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*/
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const setScroll = async (index: number) => {
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let width = 0
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let nowWidth = 0
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for (let i = 0; i <= index; i++) {
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let result = await getElSize("tab" + i)
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width += result.width
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if (i === index) {
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nowWidth = result.width
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}
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}
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if (width + nowWidth > windowWidth) {
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scrollLeft.value = width + nowWidth
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} else {
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scrollLeft.value = 0
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}
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}
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/**
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* 计算当前的滚动距离
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*/
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const getScroll = (id: string) => {
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uni
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.createSelectorQuery()
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.in(instance!.proxy)
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.select(".panel-scroll-box")
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.boundingClientRect((data: any) => {
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uni
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.createSelectorQuery()
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.in(instance!.proxy)
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.select("#" + id)
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.boundingClientRect((res: any) => {
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if (res != undefined && res != null && res != "") {
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scrollTop.value = res.top - data.top
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}
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})
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.exec()
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})
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.exec()
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}
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// 暴露方法给父组件调用
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defineExpose({ show, hide })
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</script>
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<style lang="scss" scoped>
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.mask {
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visibility: hidden;
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position: fixed;
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top: 0;
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right: 0;
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left: 0;
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bottom: 0;
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z-index: 1000;
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background: rgba(0, 0, 0, 0.6);
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opacity: 0;
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transition: all 0.3s ease;
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}
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.maskShow {
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visibility: visible;
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opacity: 1;
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}
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.cpicker-content {
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position: fixed;
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right: 0;
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bottom: 0;
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left: 0;
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background-color: #ffffff;
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transition: all 0.3s ease;
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transform: translateY(100%);
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z-index: 3000;
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}
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.cpickerShow {
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transform: translateY(0);
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}
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.city-head {
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width: 750rpx;
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height: 88rpx;
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flex-direction: column;
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border-bottom-width: 1px;
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border-bottom-color: #f4f4f4;
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border-bottom-style: solid;
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}
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.city-head-title {
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font-size: 15px;
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line-height: 88rpx;
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align-items: center;
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/* #ifndef APP-NVUE */
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text-align: center;
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/* #endif */
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}
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.clearRightIcon {
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position: absolute;
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right: 15px;
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top: 12px;
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font-size: 10px;
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color: #bebebe;
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}
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.nav-bar {
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position: relative;
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z-index: 10;
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height: 90rpx;
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white-space: nowrap;
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box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.06);
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background-color: #fff;
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}
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.nav-item {
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/* #ifndef APP-NVUE */
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display: inline-flex !important;
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/* #endif */
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/* #ifdef APP-NVUE */
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flex-direction: row !important;
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/* #endif */
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width: 170rpx;
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padding: 7px 0px;
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line-height: 26px;
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align-items: center;
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justify-content: center;
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color: #303133;
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position: relative;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.nav-bar-title {
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font-size: 12px;
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}
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.current {
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color: $aider-light-color;
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border-color: $aider-light-color;
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border-bottom-width: 4rpx;
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border-bottom-style: solid;
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}
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.current:after {
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width: 50%;
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}
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.panel-scroll-box {
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height: 516rpx;
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margin-top: 8px;
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}
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.flex-row-c-c {
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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/* #ifdef APP-NVUE */
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flex-direction: row;
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/* #endif */
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padding-left: 25px;
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}
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.city-text {
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/* #ifdef APP-NVUE */
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flex-direction: row;
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/* #endif */
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height: 35px;
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line-height: 35px;
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font-size: 13px;
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}
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.hide {
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opacity: 0;
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}
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.ischeck {
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/* #ifndef APP-NVUE */
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display: inline-flex !important;
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/* #endif */
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/* #ifdef APP-NVUE */
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flex-direction: column;
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/* #endif */
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margin-right: 5px;
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margin-left: 40rpx;
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vertical-align: middle;
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}
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.color {
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color: $light-color;
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}
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</style>
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