410 lines
9.7 KiB
Vue
410 lines
9.7 KiB
Vue
<template>
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<!-- 城市选择-->
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<view class="city-select">
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<scroll-view :scroll-top="scrollTop" scroll-y="true" class="city-select-main" id="city-select-main"
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:scroll-into-view="toView">
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<!-- 预留搜索-->
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<view class="city-serach" v-if="isSearch"><input @input="keyInput" :placeholder="placeholder"
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class="city-serach-input" /></view>
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<!-- 当前定位城市 -->
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<view class="hot-title" v-if="activeCity && !serachCity">当前定位城市</view>
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<view class="hot-city" v-if="activeCity && !serachCity">
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<view class="hot-item" @click="cityTrigger(activeCity)">{{ activeCity[formatName] }}</view>
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</view>
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<!-- 热门城市 -->
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<view class="hot-title" v-if="hotCity.length > 0 && !serachCity">热门城市</view>
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<view class="hot-city" v-if="hotCity.length > 0 && !serachCity">
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<template v-for="(item, index) in hotCity">
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<view :key="index" @click="cityTrigger(item, 'hot')" class="hot-item">{{ item[formatName] }}</view>
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</template>
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</view>
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<!-- 城市列表(搜索前) -->
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<view class="citys" v-if="!serachCity">
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<view v-for="(city, index) in sortItems" :key="index" v-show="city.isCity" class="citys-row">
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<view class="citys-item-letter" :id="'city-letter-' + (city.name === '#' ? '0' : city.name)">
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{{ city.name }}</view>
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<view class="citys-item" v-for="(item, inx) in city.citys" :key="inx" @click="cityTrigger(item)">
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{{ item.cityName }}</view>
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</view>
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</view>
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<!-- 城市列表(搜索后) -->
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<view class="citys" v-if="serachCity">
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<view v-for="(item, index) in searchDatas" :key="index" class="citys-row">
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<view class="citys-item" :key="index" @click="cityTrigger(item)">{{ item.name }}</view>
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</view>
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</view>
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</scroll-view>
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<!-- 城市选择索引-->
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<view class="city-indexs-view" v-if="!serachCity">
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<view class="city-indexs">
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<view v-for="(cityIns, index) in handleCity" class="city-indexs-text" v-show="cityIns.isCity"
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:key="index" @click="cityindex(cityIns.forName)">
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{{ cityIns.name }}
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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 citySelect from './citySelect.js';
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export default {
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props: {
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//查询提示文字
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placeholder: {
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type: String,
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default: '请输入城市名称'
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},
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//传入要排序的名称
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formatName: {
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type: String,
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default: 'cityName'
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},
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//当前定位城市
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activeCity: {
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type: Object,
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default: () => null
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},
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//热门城市
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hotCity: {
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type: Array,
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default: () => []
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},
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//城市数据
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obtainCitys: {
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type: Array,
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default: () => []
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},
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//是否有搜索
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isSearch: {
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type: Boolean,
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default: true
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}
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},
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data() {
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return {
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toView: 'city-letter-Find', //锚链接 初始值
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scrollTop: 0, //scroll-view 滑动的距离
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cityindexs: [], // 城市索引
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activeCityIndex: '', // 当前所在的城市索引
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handleCity: [], // 处理后的城市数据
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serachCity: '', // 搜索的城市
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cityData: []
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};
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},
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computed: {
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/**
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* @desc 城市列表排序
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* @return Array
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*/
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sortItems() {
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for (let index = 0; index < this.handleCity.length; index++) {
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if (this.handleCity[index].isCity) {
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let cityArr = this.handleCity[index].citys;
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cityArr = cityArr.sort(function(a, b) {
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var value1 = a.unicode;
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var value2 = b.unicode;
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return value1 - value2;
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});
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}
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}
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return this.handleCity;
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},
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/**
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* @desc 搜索后的城市列表
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* @return Array
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*/
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searchDatas() {
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var searchData = [];
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for (let i = 0; i < this.cityData.length; i++) {
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if (this.cityData[i][this.formatName].indexOf(this.serachCity) !== -1) {
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searchData.push({
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oldData: this.cityData[i],
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name: this.cityData[i][this.formatName]
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});
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}
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}
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return searchData;
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}
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},
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created() {
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// 初始化城市数据
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this.cityData = this.obtainCitys;
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this.initializationCity();
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this.buildCityindexs();
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},
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watch: {
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obtainCitys(newData) {
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this.updateCitys(newData);
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}
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},
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methods: {
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/**
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* @desc 初始化
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*/
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updateCitys(data) {
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if (data && data.length) {
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this.cityData = data;
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this.initializationCity();
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this.buildCityindexs();
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}
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},
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/**
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* @desc 监听输入框的值
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*/
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keyInput(event) {
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this.serachCity = event.detail.value;
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},
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/**
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* @desc 初始化城市数据
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* @return undefind
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*/
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initializationCity() {
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this.handleCity = [];
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const cityLetterArr = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q',
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'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '#'
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];
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for (let index = 0; index < cityLetterArr.length; index++) {
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this.handleCity.push({
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name: cityLetterArr[index],
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isCity: false, // 用于区分是否含有当前字母开头的城市
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citys: [], // 存放城市首字母含是此字母的数组
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forName: 'city-letter-' + (cityLetterArr[index] == '#' ? '0' : cityLetterArr[
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index]) //label的绑定
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});
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}
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},
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/**
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* @desc 得到城市的首字母
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* @param str String
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*/
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getLetter(str) {
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return citySelect.getFirstLetter(str[0]);
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},
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/**
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* @desc 构建城市索引
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* @return undefind
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*/
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buildCityindexs() {
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this.cityindexs = [];
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for (let i = 0; i < this.cityData.length; i++) {
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// 获取首字母
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const cityLetter = this.getLetter(this.cityData[i][this.formatName]).firstletter;
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// 获取当前城市首字母的unicode，用作后续排序
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const unicode = this.getLetter(this.cityData[i][this.formatName]).unicode;
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const index = this.cityIndexPosition(cityLetter);
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if (this.cityindexs.indexOf(cityLetter) === -1) {
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this.handleCity[index].isCity = true;
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this.cityindexs.push(cityLetter);
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}
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this.handleCity[index].citys.push({
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cityName: this.cityData[i][this.formatName],
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unicode: unicode,
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oldData: this.cityData[i]
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});
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}
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},
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/**
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* @desc 滑动到城市索引所在的地方
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* @param id String 城市索引
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*/
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cityindex(id) {
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this.toView = id;
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// //创建节点查询器
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// const query = uni.createSelectorQuery().in(this)
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// var that = this
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// that.scrollTop = 0
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// //滑动到指定位置(解决方法:重置到顶部，重新计算，影响:页面会闪一下)
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// setTimeout(() => {
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// query
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// .select('#city-letter-' + (id === '#' ? '0' : id))
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// .boundingClientRect(data => {
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// // console.log("得到布局位置信息" + JSON.stringify(data));
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// // console.log("节点离页面顶部的距离为" + data.top);
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// data ? (that.scrollTop = data.top) : void 0
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// })
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// .exec()
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// }, 0)
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},
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/**
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* @desc 获取城市首字母的unicode
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* @param letter String 城市索引
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*/
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cityIndexPosition(letter) {
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if (!letter) {
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return '';
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}
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const ACode = 65;
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return letter === '#' ? 26 : letter.charCodeAt(0) - ACode;
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},
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/** @desc 城市列表点击事件
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* @param Object
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*/
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cityTrigger(item) {
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// 传值到父组件
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this.$emit('cityClick', item.oldData ? item.oldData : item);
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}
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}
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};
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</script>
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<style lang="scss">
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//宽度转换vw
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@function vww($number) {
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@return ($number / 375) * 750+rpx;
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}
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page {
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background-color: #F7F7F7;
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}
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.bg {
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background-color: #FFFFFF;
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}
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view {
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box-sizing: border-box;
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}
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.city-serach {
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width: 100%;
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// color: #fff;
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padding: 0 vww(10);
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&-input {
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margin: vww(10) 0;
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height: vww(40);
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line-height: vww(40);
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font-size: vww(14);
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padding: 0 vww(5);
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border: 1px solid #e5e5e5;
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border-radius: 3px;
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}
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}
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.city-select-main {
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position: relative;
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// overflow: scroll;
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// -webkit-overflow-scrolling: touch;
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width: 100%;
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height: 100%;
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// background: #f6f5fa;
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// overflow-y: auto;
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}
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.city-select {
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position: relative;
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width: 100vw;
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height: 100vh;
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background: #ffffff;
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// 热门城市
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.hot-title {
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padding-left: vww(23);
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width: 100vw;
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font-size: 14px;
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line-height: vww(40);
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color: #9b9b9b;
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}
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.hot-city {
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padding-left: vww(23);
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padding-right: vww(20);
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overflow: hidden;
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width: 100vw;
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.hot-item {
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float: left;
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padding: 0 vww(5);
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margin-right: vww(16);
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margin-bottom: vww(6);
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overflow: hidden;
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width: vww(100);
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height: vww(31);
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font-size: 14px;
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text-align: center;
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display: -webkit-box;
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-webkit-box-orient: vertical;
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-webkit-line-clamp: 1;
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line-height: vww(31);
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color: #4a4a4a;
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background: #fff;
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border: 1px solid #ebebf0;
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&:nth-child(3n) {
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margin-right: 0;
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}
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}
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.hot-hidden {
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display: none;
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margin-right: 0;
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}
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}
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.citys {
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.citys-row {
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padding: 0 vww(18);
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width: 100%;
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font-size: 14px;
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// background: #fff;
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.citys-item-letter {
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margin-left: vww(-18);
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padding-left: vww(18);
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margin-top: -1px;
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width: 100vw;
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line-height: vww(30);
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// color: #fff;
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// background: #f6f5fa;
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border-top: none;
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}
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.citys-item {
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width: 100%;
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line-height: vww(50);
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// color: #FFFFFF;
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border-bottom: 1px solid #e5e5e5;
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&:last-child {
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border: none;
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}
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}
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}
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}
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.city-indexs-view {
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position: absolute;
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right: 0;
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top: 0;
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z-index: 999;
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display: flex;
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width: vww(20);
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height: 100%;
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text-align: center;
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.city-indexs {
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width: vww(20);
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text-align: center;
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vertical-align: middle;
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align-self: center;
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.city-indexs-text {
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margin-bottom: vww(10);
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width: vww(20);
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font-size: 12px;
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color: #000000;
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&:last-child {
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margin-bottom: 0;
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}
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}
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}
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}
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}
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</style>
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