58 lines
1.4 KiB
Vue
58 lines
1.4 KiB
Vue
import {areaList} from '@vant/area-data'
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// 扁平化的省市区数据
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export const pcaa = freezeDeep(usePlatPcaaData())
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/**
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* 获取扁平化的省市区数据
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*/
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function usePlatPcaaData() {
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const {city_list: city, county_list: county, province_list: province} = areaList;
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const dataMap = new Map<string, Recordable>()
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const flatData: Recordable = {'86': province}
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// 省
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Object.keys(province).forEach((code) => {
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flatData[code] = {}
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dataMap.set(code.slice(0, 2), flatData[code])
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})
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// 市区
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Object.keys(city).forEach((code) => {
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flatData[code] = {}
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dataMap.set(code.slice(0, 4), flatData[code])
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// 填充上一级
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const getProvince = dataMap.get(code.slice(0, 2))
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if (getProvince) {
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getProvince[code] = city[code]
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}
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});
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// 县
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Object.keys(county).forEach((code) => {
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// 填充上一级
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const getCity = dataMap.get(code.slice(0, 4))
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if (getCity) {
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getCity[code] = county[code]
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}
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});
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return flatData
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}
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/**
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*
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* 深度冻结对象
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* @param obj Object or Array
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*/
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export function freezeDeep(obj: Recordable | Recordable[]) {
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if (obj != null) {
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if (Array.isArray(obj)) {
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obj.forEach(item => freezeDeep(item))
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} else if (typeof obj === 'object') {
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Object.values(obj).forEach(value => {
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freezeDeep(value)
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})
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}
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Object.freeze(obj)
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}
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return obj
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}
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