- 新增 ChinaAreaSelect 组件,支持省市区三级选择与详细地址输入 - 在客户编辑和客户列表页面替换原有的地址输入框 - 组件支持标准地址与自定义地址组合格式存储 - 自动处理直辖市和港澳特别行政区的特殊区域结构
256 lines
7.9 KiB
Vue
256 lines
7.9 KiB
Vue
<template>
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<div class="area-select-container">
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<!-- 区域选择器 -->
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<el-cascader
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v-model="areaValue"
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:options="areaTree"
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:props="cascaderProps"
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filterable
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clearable
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placeholder="请选择中国区域"
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collapse-tags
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@change="handleAreaChange"
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v-if="isAreaTreeReady"
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style="width: 100%; margin-bottom: 8px;"
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/>
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<!-- 详细地址输入框 -->
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<el-input
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v-model="detailAddress"
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placeholder="请输入详细地址(如:XX街道XX小区XX号楼)"
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@input="handleDetailChange"
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style="width: 100%;"
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/>
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</div>
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</template>
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<script>
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import areaData from './data.js'
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export default {
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name: 'ChinaAreaSelectWithDetail',
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props: {
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// 外部传入的组合值:格式为「[标准地址](自定义地址)」
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value: {
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type: String,
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default: ''
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},
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// 配置绑定值类型:code(行政区划代码)/ name(区域名称)
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keyType: {
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type: String,
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default: 'code',
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validator: val => ['code', 'name'].includes(val)
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},
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// 是否只选择到市级(省/市),默认选到区级(省/市/区)
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onlyCityLevel: {
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type: Boolean,
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default: false
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}
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},
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data() {
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return {
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areaTree: [],
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// 特殊区域代码(直辖市+港澳特别行政区)
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specialAreaCodes: ['110000', '120000', '310000', '500000', '810000', '820000'],
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isAreaTreeReady: false,
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// 区域选择器的内部值(数组格式,存储code)
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areaValue: [],
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// 详细地址输入值
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detailAddress: '',
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cascaderProps: {
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value: 'code',
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label: 'name',
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children: 'children',
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checkStrictly: false,
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expandTrigger: 'click',
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multiple: false,
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leaf: node => !node.children
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}
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}
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},
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watch: {
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// 监听外部传入的value,自动拆分并回显
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value: {
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immediate: true,
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handler(val) {
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this.parseCombineValue(val)
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}
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}
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},
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computed: {
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// 组合值:对外输出「[标准地址](自定义地址)」格式
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combineValue() {
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// 1. 转换区域值为标准字符串(code/name格式)
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let standardAddress = ''
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if (this.areaValue.length) {
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standardAddress = this.keyType === 'name'
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? this.convertCodeToName(this.areaValue).join('/')
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: this.areaValue.join('/')
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}
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// 2. 组合最终格式:[标准地址](自定义地址)
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if (!standardAddress && !this.detailAddress) return ''
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if (standardAddress && !this.detailAddress) return `[${standardAddress}]()`
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if (!standardAddress && this.detailAddress) return `[()](${this.detailAddress})`
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return `[${standardAddress}](${this.detailAddress})`
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}
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},
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created() {
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this.$nextTick(() => {
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this.buildAreaTree()
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})
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},
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methods: {
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/**
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* 正则解析组合值:提取[标准地址]和(自定义地址)部分
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* @param {String} val - 外部传入的「[标准地址](自定义地址)」格式值
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*/
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parseCombineValue(val) {
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if (!val) {
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this.areaValue = []
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this.detailAddress = ''
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return
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}
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// 核心正则:匹配「[xxx](yyy)」格式,分组提取xxx和yyy(无匹配则为空)
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const reg = /\[([^\]]*)\]\(([^)]*)\)/
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const matchResult = val.match(reg)
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// 提取标准地址(第一个分组)和自定义地址(第二个分组)
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const standardAddress = matchResult?.[1] || ''
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const customAddress = matchResult?.[2] || ''
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// 1. 处理自定义地址:直接赋值
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this.detailAddress = customAddress.trim()
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// 2. 处理标准地址:转换为区域选择器的code数组
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if (standardAddress) {
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const standardArr = standardAddress.split('/').filter(Boolean)
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this.areaValue = this.keyType === 'name'
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? this.convertNameToCode(standardArr) // name转code
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: standardArr.filter(code => !!areaData[code]) // code直接过滤无效值
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} else {
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this.areaValue = []
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}
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},
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/**
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* 构建树形结构:兼容直辖市+港澳特别行政区的两级结构
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*/
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buildAreaTree() {
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const tree = {};
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// 第一步:初始化所有省级节点(非叶子节点,带children)
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Object.keys(areaData).forEach(code => {
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if (code.endsWith('0000') && !tree[code]) {
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tree[code] = {
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code: code,
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name: areaData[code],
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children: [] // 省级节点是父节点,保留children
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};
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}
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});
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// 第二步:遍历所有非省级节点,构建层级
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Object.entries(areaData).forEach(([code, name]) => {
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if (code.length !== 6) return;
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const provinceCode = code.substring(0, 2) + '0000';
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// 跳过省级节点(已初始化)
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if (code === provinceCode) return;
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// 判断是否为特殊区域(直辖市/港澳)
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const isSpecialArea = this.specialAreaCodes.includes(provinceCode);
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// 1. 特殊区域处理:区级直接挂载到省级,且区级是叶子节点(无children)
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if (isSpecialArea) {
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if (tree[provinceCode]) {
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tree[provinceCode].children.push({ code, name });
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}
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}
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// 2. 普通省份处理:省→市→区三级
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else {
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const cityCode = code.substring(0, 4) + '00';
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const provinceNode = tree[provinceCode];
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if (!provinceNode) return;
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// 2.1 初始化市级节点(非叶子节点,带children)
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if (!provinceNode.children.some(item => item.code === cityCode)) {
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provinceNode.children.push({
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code: cityCode,
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name: areaData[cityCode] || '',
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children: [] // 市级节点是父节点,保留children
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});
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}
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// 2.2 挂载区级节点(叶子节点,无children)
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if (code !== cityCode) {
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const cityNode = provinceNode.children.find(item => item.code === cityCode);
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if (cityNode) {
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cityNode.children.push({ code, name });
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}
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}
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}
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});
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// 第三步:格式化树形结构,过滤空节点
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this.areaTree = Object.values(tree)
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.filter(province => province.name && province.children.length > 0)
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.map(province => {
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province.children = province.children.filter(city => city.name);
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return province;
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});
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// 标记数据就绪,渲染组件
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this.isAreaTreeReady = true;
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},
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/**
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* code转name(容错处理)
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*/
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convertCodeToName(codeArr) {
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if (!Array.isArray(codeArr) || !codeArr.length) return [];
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return codeArr.map(code => areaData[code] || '').filter(Boolean);
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},
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/**
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* name转code(容错处理)
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*/
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convertNameToCode(nameArr) {
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if (!Array.isArray(nameArr) || !nameArr.length) return [];
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const nameToCodeMap = Object.fromEntries(
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Object.entries(areaData).map(([code, name]) => [name, code])
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);
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return nameArr.map(name => nameToCodeMap[name] || '').filter(Boolean);
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},
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/**
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* 区域选择器变化回调
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*/
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handleAreaChange() {
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this.$emit('input', this.combineValue)
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this.$emit('change', this.combineValue, {
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standard: this.keyType === 'name' ? this.convertCodeToName(this.areaValue).join('/') : this.areaValue.join('/'),
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custom: this.detailAddress
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})
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},
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/**
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* 详细地址变化回调
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*/
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handleDetailChange() {
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this.$emit('input', this.combineValue)
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this.$emit('change', this.combineValue, {
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standard: this.keyType === 'name' ? this.convertCodeToName(this.areaValue).join('/') : this.areaValue.join('/'),
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custom: this.detailAddress
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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 scoped>
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.area-select-container {
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width: 100%;
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}
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</style> |