china-admin-area/lib/regions.js

中华人民共和国行政区域数据，适配element-ui antd级联组件

'use strict';
/**
 * 1. 中国省市区基础数据（不包含港澳台地区）
 * 2. 处理 element-ui antd 级联组件需要的地址数据（不包含港澳台地区）
 * 
 * @module china-admin-area/regions
 * @ignore
 */
const REGION_DATA = require('../data.json')
const { deepClone } = require('./utils')


const textToProvince = {}
const textToProvincePlus = {}
const provinceObject = REGION_DATA['86'] // 省份对象
const regionsData = []
let provinceAndCityData = []

// 处理省级数据
for (const prop in provinceObject) {
	regionsData.push({
		value: prop, // 省份code值
		label: provinceObject[prop] // 省份汉字
	});
}
// 处理市级数据
for (let i = 0, len = regionsData.length; i < len; i++) {
	const provinceCode = regionsData[i].value
	const provinceChildren = []
	for (const prop in REGION_DATA[provinceCode]) {
		provinceChildren.push({
			value: prop,
			label: REGION_DATA[provinceCode][prop]
		})
	}
	if (provinceChildren.length) {
		regionsData[i].children = provinceChildren
	}
}
provinceAndCityData = deepClone(regionsData)

// 处理区级数据
for (let i = 0, len = regionsData.length; i < len; i++) {
	const province = regionsData[i].children
	if (province) {
		for (let j = 0, len = province.length; j < len; j++) {
			const cityCode = province[j].value
			const cityChildren = []
			for (const prop in REGION_DATA[cityCode]) {
				// 移除区级数据中的 市辖区数据
				const _label = REGION_DATA[cityCode][prop];
				if (_label != '市辖区') {
					cityChildren.push({
						value: prop,
						label: _label
					})
				}
			}
			if (cityChildren.length) {
				province[j].children = cityChildren
			}
		}
	}
}

//处理省级对象映射数据
regionsData.forEach(prop => {
	const provinceText = prop.label
	let _arr = []
	_arr.push(prop)
	textToProvince[provinceText] = _arr
})

// 添加“全部”选项
const provinceAndCityDataPlus = deepClone(provinceAndCityData)
provinceAndCityDataPlus.unshift({
	value: '',
	label: '全部'
})
for (let i = 0, len = provinceAndCityDataPlus.length; i < len; i++) {
	const province = provinceAndCityDataPlus[i].children
	if (province && province.length) {
		province.unshift({
			value: '',
			label: '全部'
		})

		for (let j = 0, len = province.length; j < len; j++) {
			const city = province[j].children
			if (city && city.length) {
				city.unshift({
					value: '',
					label: '全部'
				})
			}
		}
	}
}

const regionsDataPlus = deepClone(regionsData)
regionsDataPlus.unshift({
	value: '',
	label: '全部'
})
for (let i = 0, len = regionsDataPlus.length; i < len; i++) {
	const province = regionsDataPlus[i].children
	if (province && province.length) {
		province.unshift({
			value: '',
			label: '全部'
		})

		for (let j = 0, len = province.length; j < len; j++) {
			const city = province[j].children
			if (city && city.length) {
				city.unshift({
					value: '',
					label: '全部'
				})
			}
		}
	}
}

//处理省级对象映射数据 带全部
regionsDataPlus.forEach(prop => {
	const provinceText = prop.label
	if (provinceText != '全部') {
		let _arr = []
		_arr.push(prop)
		textToProvincePlus[provinceText] = _arr
	}
})


module.exports = {
	baseRegions: REGION_DATA,
	provinceAndCityData,
	regionsData,
	provinceAndCityDataPlus,
	regionsDataPlus,
	textToProvince,
	textToProvincePlus
}