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<template>
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<u-popup v-model="value" mode="bottom" :popup="false" :mask="true" :closeable="true" :safe-area-inset-bottom="true"
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close-icon-color="#ffffff" :z-index="uZIndex" :maskCloseAble="maskCloseAble" @close="close">
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<u-tabs v-if="value" :list="genTabsList" :is-scroll="true" :current="tabsIndex" @change="tabsChange" ref="tabs"></u-tabs>
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<view class="area-box">
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<view class="u-flex" :class="{ 'change':isChange }">
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<view class="area-item">
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<view class="u-padding-10 u-bg-gray" style="height: 100%;">
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<scroll-view :scroll-y="true" style="height: 100%">
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<u-cell-group>
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<u-cell-item v-for="(item,index) in provinces" :title="item.label" :arrow="false" :index="index" :key="index"
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@click="provinceChange">
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<u-icon v-if="isChooseP&&province===index" slot="right-icon" size="34" name="checkbox-mark"></u-icon>
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</u-cell-item>
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</u-cell-group>
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</scroll-view>
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</view>
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</view>
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<view class="area-item">
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<view class="u-padding-10 u-bg-gray" style="height: 100%;">
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<scroll-view :scroll-y="true" style="height: 100%">
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<u-cell-group v-if="isChooseP">
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<u-cell-item v-for="(item,index) in citys" :title="item.label" :arrow="false" :index="index" :key="index"
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@click="cityChange">
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<u-icon v-if="isChooseC&&city===index" slot="right-icon" size="34" name="checkbox-mark"></u-icon>
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</u-cell-item>
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</u-cell-group>
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</scroll-view>
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</view>
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</view>
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<view class="area-item">
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<view class="u-padding-10 u-bg-gray" style="height: 100%;">
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<scroll-view :scroll-y="true" style="height: 100%">
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<u-cell-group v-if="isChooseC">
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<u-cell-item v-for="(item,index) in areas" :title="item.label" :arrow="false" :index="index" :key="index"
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@click="areaChange">
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<u-icon v-if="isChooseA&&area===index" slot="right-icon" size="34" name="checkbox-mark"></u-icon>
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</u-cell-item>
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</u-cell-group>
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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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</view>
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</u-popup>
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</template>
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<script>
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import provinces from "uview-ui/libs/util/province.js";
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import citys from "uview-ui/libs/util/city.js";
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import areas from "uview-ui/libs/util/area.js";
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/**
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* city-select 省市区级联选择器
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* @property {String Number} z-index 弹出时的z-index值（默认1075）
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* @property {Boolean} mask-close-able 是否允许通过点击遮罩关闭Picker（默认true）
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* @property {String} default-region 默认选中的地区，中文形式
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* @property {String} default-code 默认选中的地区，编号形式
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*/
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export default {
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name: 'u-city-select',
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props: {
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// 通过双向绑定控制组件的弹出与收起
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value: {
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type: Boolean,
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default: false
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},
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// 默认显示的地区，可传类似["河北省", "秦皇岛市", "北戴河区"]
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defaultRegion: {
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type: Array,
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default () {
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return [];
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}
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},
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// 默认显示地区的编码，defaultRegion和areaCode同时存在，areaCode优先，可传类似["13", "1303", "130304"]
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areaCode: {
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type: Array,
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default () {
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return [];
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}
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},
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// 是否允许通过点击遮罩关闭Picker
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maskCloseAble: {
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type: Boolean,
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default: true
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},
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// 弹出的z-index值
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zIndex: {
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type: [String, Number],
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default: 0
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}
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},
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data() {
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return {
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cityValue: "",
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isChooseP: false, //是否已经选择了省
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province: 0, //省级下标
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provinces: provinces,
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isChooseC: false, //是否已经选择了市
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city: 0, //市级下标
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citys: citys[0],
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isChooseA: false, //是否已经选择了区
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area: 0, //区级下标
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areas: areas[0][0],
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tabsIndex: 0,
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}
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},
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mounted() {
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this.init();
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},
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computed: {
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isChange() {
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return this.tabsIndex > 1;
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},
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genTabsList() {
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let tabsList = [{
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name: "请选择"
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}];
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if (this.isChooseP) {
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tabsList[0]['name'] = this.provinces[this.province]['label'];
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tabsList[1] = {
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name: "请选择"
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};
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}
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if (this.isChooseC) {
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tabsList[1]['name'] = this.citys[this.city]['label'];
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tabsList[2] = {
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name: "请选择"
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};
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}
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if (this.isChooseA) {
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tabsList[2]['name'] = this.areas[this.area]['label'];
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}
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return tabsList;
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},
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uZIndex() {
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// 如果用户有传递z-index值，优先使用
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return this.zIndex ? this.zIndex : this.$u.zIndex.popup;
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}
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},
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methods: {
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init() {
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if (this.areaCode.length == 3) {
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this.setProvince("", this.areaCode[0]);
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this.setCity("", this.areaCode[1]);
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this.setArea("", this.areaCode[2]);
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} else if (this.defaultRegion.length == 3) {
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this.setProvince(this.defaultRegion[0], "");
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this.setCity(this.defaultRegion[1], "");
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this.setArea(this.defaultRegion[2], "");
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};
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},
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setProvince(label = "", value = "") {
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this.provinces.map((v, k) => {
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if (value ? v.value == value : v.label == label) {
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this.provinceChange(k);
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}
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})
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},
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setCity(label = "", value = "") {
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this.citys.map((v, k) => {
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if (value ? v.value == value : v.label == label) {
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this.cityChange(k);
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}
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})
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},
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setArea(label = "", value = "") {
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this.areas.map((v, k) => {
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if (value ? v.value == value : v.label == label) {
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this.isChooseA = true;
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this.area = k;
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}
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})
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},
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close() {
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this.$emit('input', false);
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},
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tabsChange(index) {
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this.tabsIndex = index;
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},
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provinceChange(index) {
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this.isChooseP = true;
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this.isChooseC = false;
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this.isChooseA = false;
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this.province = index;
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this.citys = citys[index];
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this.tabsIndex = 1;
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},
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cityChange(index) {
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this.isChooseC = true;
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this.isChooseA = false;
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this.city = index;
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this.areas = areas[this.province][index];
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this.tabsIndex = 2;
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},
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areaChange(index) {
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this.isChooseA = true;
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this.area = index;
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let result = {};
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result.province = this.provinces[this.province];
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result.city = this.citys[this.city];
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result.area = this.areas[this.area];
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this.$emit('city-change', result);
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this.close();
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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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.area-box {
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width: 100%;
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overflow: hidden;
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height: 800rpx;
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>view {
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width: 150%;
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transition: transform 0.3s ease-in-out 0s;
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transform: translateX(0);
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&.change {
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transform: translateX(-33.3333333%);
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}
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}
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.area-item {
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width: 33.3333333%;
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height: 800rpx;
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}
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}
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</style>
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