313 lines
7.9 KiB
Vue
313 lines
7.9 KiB
Vue
<template>
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<view class="city-select-page" v-if="loading">
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<view class="white_container padding_bottom40">
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<!-- 搜索框 -->
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<u-search
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placeholder="输入城市进行搜索"
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:value="searchValue"
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@search="handleSearch"
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@change="handleSearch"
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:showAction="false"
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height="70"
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searchIconSize="40"
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shape="round"
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></u-search>
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<view v-if="searchValue" class="search_popup">
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<view v-if="searchRes.length === 0" class="list-item">暂无搜索结果</view>
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<view
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v-else
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v-for="(item, index) in searchRes"
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:key="index"
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:class="['list-item', index === searchRes.length - 1 && 'no_border']"
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@click="headerSelectMapClick(item)"
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>
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{{ item.name }}
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</view>
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</view>
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<view v-if="!searchValue">
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<!-- 当前定位城市 -->
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<view class="current-city">
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<image
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src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/Index_add.png"
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mode="widthFix"
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/>
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<text>当前定位城市 {{ location.cityName }}</text>
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</view>
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<!-- 国内热门城市 -->
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<view class="hot-cities">
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<text class="title">国内热门城市</text>
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<view class="city-list">
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<view
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v-for="(item, index) in hotCityList"
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class="city_name"
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:key="index"
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@click="headerSelectMapClick(item)"
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>{{ item.name }}</view
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>
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</view>
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</view>
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</view>
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</view>
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<view v-if="!searchValue" class="container">
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<!-- 左侧列表 -->
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<scroll-view
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class="list-scroll"
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scroll-y
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:scroll-into-view="activeId"
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@scroll="handleScroll"
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>
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<view
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v-for="(group, index) in groupedData"
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:key="index"
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class="white_container"
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:id="'group-' + group.letter"
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>
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<!-- 字母标题 -->
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<view class="letter-title">{{ group.letter }}</view>
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<!-- 列表项 -->
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<view
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v-for="(item, ind) in group.list"
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:key="item.id"
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:class="['list-item', ind === group.list.length - 1 && 'no_border']"
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@click="headerSelectMapClick(item)"
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>
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{{ item.name }}
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</view>
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</view>
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</scroll-view>
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<!-- 右侧索引栏 -->
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<view class="index-bar">
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<view
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v-for="(letter, index) in letters"
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:key="index"
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class="index-item"
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@tap="scrollToLetter(letter)"
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>
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{{ letter }}
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</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>
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import { apiArr } from "../../api/area.js";
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import { request, debounce } from "../../utils/index.js";
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export default {
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data() {
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return {
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location: {},
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searchValue: "",
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hotCities: [
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"上海",
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"北京",
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"广州",
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"杭州",
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"成都",
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"深圳",
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"苏州",
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"南京",
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"重庆",
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"西安",
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"长沙",
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"天津",
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"三亚",
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"厦门",
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"武汉",
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"无锡",
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],
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// 右侧字母列表
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letters: [
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"A",
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"B",
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"C",
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"D",
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"E",
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"F",
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"G",
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"H",
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"I",
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"J",
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"K",
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"L",
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"M",
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"N",
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"O",
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"P",
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"Q",
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"R",
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"S",
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"T",
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"U",
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"V",
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"W",
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"X",
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"Y",
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"Z",
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],
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activeId: "", // 当前高亮的字母区域 ID
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activeLetter: "", // 当前高亮的字母
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searchRes: [],
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loading: false,
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hotCityList: [], // 接口请求返回参数信息
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groupedData: [], // 实际展示数据
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};
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},
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onLoad() {
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this.location = uni.getStorageSync("location");
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this.init();
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},
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methods: {
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headerSelectMapClick(item) {
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console.log("地图选点", item);
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const lat = Number(item.lat);
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const long = Number(item.long);
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uni.chooseLocation({
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latitude: lat,
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longitude: long,
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success: (res) => {
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console.log("打开地图选择商铺名称", res);
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if (!res.name) {
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uni.showToast({
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title: "请选择具体城市信息",
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icon: "none",
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});
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return;
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}
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// 更新页面数据，如标记点等
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const selectLocation = {
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cityName: res.address
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.match(/(.*?(?:省|自治区)|^)(.*?)(?:市|地区|盟|州|县|区)?$/)[2]
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.match(/(.*市)/)[1],
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district: res.address.match(/市(.*)/)[1],
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lat: res.latitude,
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lng: res.longitude,
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};
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uni.setStorageSync("location", selectLocation); // 缓存数据信息
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// uni.setStorageSync('city', selectLocation.cityName); // 缓存数据信息
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console.log("location", selectLocation);
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uni.navigateBack({
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delta: 1,
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});
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},
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fail: (err) => {
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console.log("选择位置失败", err);
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},
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});
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},
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handleSearch: debounce(function(keyword) {
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if(keyword === '') {
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this.searchValue = '';
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this.searchRes = [];
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return;
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}
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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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request(apiArr.getRegionList, 'POST', {
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short_name: keyword
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}, { silent: false }).then((res) => {
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console.log('搜索结果', res);
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this.searchValue = keyword;
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this.searchRes = res.rows || [];
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uni.hideLoading();
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})
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}, 500),
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groupData(item) {
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const map = {};
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this.letters.forEach((letter) => {
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map[letter] = {
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letter,
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list: [],
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};
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});
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item.forEach((items) => {
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if (map[items.letters]) {
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map[items.letters].list.push(items);
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}
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});
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// 过滤掉没有数据的字母
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this.groupedData = Object.values(map).filter(
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(group) => group.list.length > 0
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);
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uni.hideLoading();
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this.loading = true;
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},
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// 点击字母滚动到对应区域
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scrollToLetter(letter) {
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this.$nextTick(() => {
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this.activeId = "group-" + letter;
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this.activeLetter = letter;
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});
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},
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async init() {
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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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const res = await request(apiArr.getRegionList, 'POST', {}, { silent: false });
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// TODO: 数据量返回过于庞大，只获取所需信息，其他内容舍弃
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const newRes = res.rows.map((item) => {
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return {
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lat: item.lat,
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letters: item.letters,
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long: item.long,
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name: item.name,
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}
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})
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console.log('111', newRes)
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// this.cityList = newRes;
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const hotsList = res.rows.filter((item) => item.hot === 2).map((item) => {
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return {
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lat: item.lat,
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long: item.long,
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name: item.name,
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};
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});
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console.log('热门城市信息', hotsList);
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this.hotCityList = hotsList;
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await this.groupData(newRes);
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},
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// 滚动时监听当前位置
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handleScroll(e) {
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const query = uni.createSelectorQuery().in(this);
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let activeLetter = "";
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// 遍历每个字母区域，检查是否在可视范围内
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this.letters.some((letter) => {
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query
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.select(`#group-${letter}`)
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.boundingClientRect((rect) => {
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if (rect && rect.top <= 100 && rect.bottom >= 0) {
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activeLetter = letter;
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}
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})
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.exec();
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return activeLetter; // 找到第一个符合条件的字母后退出循环
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});
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if (activeLetter && activeLetter !== this.activeLetter) {
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this.activeLetter = activeLetter;
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}
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},
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},
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};
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</script>
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<style>
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@import url("./index.css");
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</style>
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