初始化仓库
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wangxiaowei
278
bundle_b/pages/city/city.vue
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278
bundle_b/pages/city/city.vue
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<template>
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<view class="city">
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<!-- 当前定位城市 -->
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<view class="city-title xs">当前定位城市</view>
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<view class="city-current bg-white flex row-between">
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<view>
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<u-icon name="map-fill" size="34"></u-icon>
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<text class="m-l-8 nr" v-if="!isLoading">{{ cityInfo.name || '城市' }}</text>
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<text class="m-l-8 nr" v-else>定位中...</text>
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</view>
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<view class="reselect nr flex" @click="reLocationFunc">
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<u-loading mode="flower" color="#528FFF" size="28" v-if="isLoading"></u-loading>
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<text class="m-l-8">重新定位</text>
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</view>
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</view>
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<!-- 历史浏览城市 -->
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<view class="city-title xs" v-if="historyList.length">历史浏览城市</view>
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<view class="city-list bg-white">
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<block v-for="(hisItem, hisIndex) in historyList" :key="hisIndex">
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<view class="city-list-item line-1 nr" @click="chooseCity(hisItem)">{{ hisItem.name }}</view>
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</block>
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</view>
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<!-- 热门城市 -->
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<view class="city-title xs">热门城市</view>
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<view class="city-list bg-white">
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<block v-for="(hotItem, hotIndex) in hotList" :key="hotIndex">
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<view class="city-list-item line-1 nr" @click="chooseCity(hotItem)">{{ hotItem.name }}</view>
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</block>
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</view>
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<!-- 普通城市列表 -->
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<view v-for="(cityItem, cityIndex) in cityList" :key="cityIndex">
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<view class="city-title anchor xs">{{ cityIndex }}</view>
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<view class="city-list bg-white">
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<block v-for="(cityItem2, cityIndex2) in cityItem" :key="cityIndex2">
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<view class="city-list-item line-1 nr" @click="chooseCity(cityItem2)">
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{{ cityItem2.name }}
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</view>
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</block>
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</view>
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</view>
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<!-- 侧边导航条 -->
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<view class="city-bar__sidebar" @touchstart.stop.prevent="onTouchMove" @touchmove.stop.prevent="onTouchMove"
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@touchend.stop.prevent="onTouchStop" @touchcancel.stop.prevent="onTouchStop">
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<view v-for="(barItem, barIndex) in labelList" :key="barIndex" class="city-bar__index"
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:style="{color: touchmoveIndex === barIndex ? '#528FFF' : ''}">
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{{ barItem }}
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</view>
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</view>
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<!-- 侧边弹窗 -->
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<view class="city-list-alert" v-if="touchmove && labelList[touchmoveIndex+'']">
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<text>{{labelList[touchmoveIndex]}}</text>
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</view>
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<loading-view v-if="isFirstLoading"></loading-view>
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</view>
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</template>
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<script>
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import { mapActions, mapMutations, mapGetters } from 'vuex'
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import { getCityLists } from "@/api/store.js"
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import { currentPage, toast } from "@/utils/tools.js"
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import cache from "@/utils/cache"
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export default {
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data() {
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return {
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isLoading: false,
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cityList: [],
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labelList: [],
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historyList: [],
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hotList: [
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{ name: '北京市', gcj02_lat: "39.929986", gcj02_lng: "116.395645", id: 110100 },
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{ name: '上海市', gcj02_lat: "31.249162", gcj02_lng: "121.487899", id: 310100 },
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{ name: '广州市', gcj02_lat: "23.120049", gcj02_lng: "113.30765", id: 440100 },
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{ name: '深圳市', gcj02_lat: "22.546054", gcj02_lng: "114.025974", id: 440300 },
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{ name: '重庆市', gcj02_lat: "29.544606", gcj02_lng: "106.530635", id: 110100 },
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{ name: '成都市', gcj02_lat: "30.679943", gcj02_lng: "104.067923", id: 510100 },
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{ name: '杭州市', gcj02_lat: "30.259244", gcj02_lng: "120.219375", id: 110100 },
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{ name: '苏州市', gcj02_lat: "31.317987", gcj02_lng: "120.619907", id: 320500 },
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{ name: '武汉市', gcj02_lat: "30.581084", gcj02_lng: "114.3162", id: 420100 },
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{ name: '沈阳市', gcj02_lat: "41.808645", gcj02_lng: "123.432791", id: 210100 }
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],
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isFirstLoading: true,
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touchmove: false,
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touchmoveIndex: 0,
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}
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},
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onLoad() {
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this.getCityListsFunc()
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this.historyList = cache.get('HISTORY') || []
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},
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onPageScroll({ scrollTop }) {
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const anchor = this.anchor;
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const index = anchor.findIndex(item => item >= scrollTop);
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const isLessTop = index !== -1;
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if (isLessTop && !this.touchmmove) this.touchmoveIndex = index;
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},
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methods: {
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...mapActions(['initLocationFunc']),
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...mapMutations(['setCityInfo']),
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async reLocationFunc() {
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this.isLoading = true;
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await this.initLocationFunc()
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this.isLoading = false;
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},
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chooseCity(city) {
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try{
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this.setCityInfo(city);
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// 返回上一页
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this.$Router.back(1, {
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success: () => {
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const {
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onLoad,
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options
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} = currentPage()
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// 刷新上一个页面
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onLoad && onLoad({ ...options, refresh: true })
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}
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})
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console.log(city)
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const historyList = this.historyList;
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const result = historyList.filter(item => item.name == city.name);
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const isLessTop = result.length === 0;
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if ( isLessTop ) {
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historyList.unshift(city)
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cache.set('HISTORY', historyList)
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}
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}catch(e){
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console.log(e)
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toast({ title: '选择有误，请联系管理员' })
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//TODO handle the exception
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}
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},
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getCityListsFunc() {
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getCityLists()
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.then(res => {
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if (res.code == 1) {
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this.cityList = res.data;
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this.labelList = Object.keys(res.data ?? {});
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this.setRect()
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}
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this.isFirstLoading = false;
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})
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},
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onTouchMove(event) {
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const y = parseInt(event.changedTouches[0].clientY)
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const len = this.labelList.length;
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const itemHeight = parseInt(this.sidebar.height / len);
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let index = Math.floor((y - this.sidebar.top) / itemHeight);
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if (index < 0) {
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index = 0;
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} else if (index > len - 1) {
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index = len - 1;
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}
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if (this.touchmoveIndex != index) {
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this.touchmove = true;
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this.touchmoveIndex = index
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uni.pageScrollTo({
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duration: 0,
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scrollTop: (this.anchor[index])
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})
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}
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},
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onTouchStop() {
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this.touchmove = false;
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this.scrollToAnchorIndex = null;
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},
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async setRect() {
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await this.$nextTick()
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const sidebar = uni.createSelectorQuery().selectAll(".city-bar__sidebar");
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sidebar.boundingClientRect(res => {
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this.sidebar = {
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height: res[0].height,
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top: res[0].top
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}
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}).exec();
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const anchor = uni.createSelectorQuery().selectAll(".anchor");
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anchor.boundingClientRect(res => {
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res.top = parseInt(res.top)
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this.anchor = res.map(item => parseInt(item.top));
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}).exec();
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}
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},
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computed: {
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...mapGetters(['cityInfo'])
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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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.city {
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padding: 12rpx 0;
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&-title {
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color: #AAAAAA;
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padding: 12rpx 34rpx;
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}
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.city-current {
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color: #575757;
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padding: 0 36rpx;
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.reselect {
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color: #528FFF;
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padding: 26rpx 10rpx;
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}
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}
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&-list {
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color: #575757;
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padding: 0 40rpx;
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display: flex;
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flex-wrap: wrap;
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&-item {
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width: 25%;
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height: 96rpx;
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line-height: 96rpx;
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padding-left: 34rpx;
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}
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}
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&-bar__sidebar {
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position: fixed;
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top: 50%;
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right: 0;
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display: flex;
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flex-direction: column;
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text-align: center;
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transform: translateY(-50%);
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user-select: none;
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z-index: 99;
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}
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&-bar__index {
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font-weight: 500;
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padding: 8rpx 18rpx;
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font-size: 22rpx;
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line-height: 1
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}
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&-list-alert {
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position: fixed;
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width: 120rpx;
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height: 120rpx;
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right: 90rpx;
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top: 50%;
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margin-top: -60rpx;
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border-radius: 24rpx;
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font-size: 50rpx;
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color: #fff;
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background-color: rgba(0, 0, 0, 0.65);
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display: flex;
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justify-content: center;
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align-items: center;
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padding: 0;
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z-index: 9999999;
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text {
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line-height: 50rpx;
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}
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}
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}
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</style>
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