115 lines
3.3 KiB
JavaScript
115 lines
3.3 KiB
JavaScript
/**
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* Area类，用于处理地区相关信息
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*/
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export default class Area {
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/**
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* 构造函数
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* @param {string} code 地区编码
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* @param {Object} hash 哈希表
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*/
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constructor(code, hash = {}) {
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this.id = code
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this.level = Area.getLevelByAreaId(code)
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this.areaMap = Object.values(this.getAreaInfo(code))
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if (Object.keys(hash).length > 0) {
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this.getName(this.areaMap.map(id => hash[id]))
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}
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}
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/**
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* 获取地区的行政等级
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* @param {string} code 地区编码
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* @returns {number}
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*/
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static getLevelByAreaId(code) {
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if (code) {
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if (code.length === 2 || /0{10}$/.test(code)) return 0;
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else if (/0{8}$/.test(code)) return 1;
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else if (/0{6}$/.test(code)) return 2;
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else if (/0{3}$/.test(code)) return 3;
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else return 4
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} else return -1
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}
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/**
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* 根据地区编码获取指定等级的地区编码
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* @param {string} value 地区编码
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* @param {number} level 指定等级
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* @returns {string|null|*}
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*/
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static getAreaCodeByLevel(value, level) {
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if (value) {
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const areaNumber = value.toString();
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switch (level) {
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case 0:
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return areaNumber.substring(0, 2) + '0000000000';
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case 1:
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return areaNumber.substring(0, 4) + '00000000';
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case 2:
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return areaNumber.substring(0, 6) + '000000';
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case 3:
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return areaNumber.substring(0, 9) + '000';
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case 4:
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return areaNumber
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}
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} else return null
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}
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/**
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* 根据地区id获取所有父级地区id
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* @param {string} areaId 地区id
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* @param {Object} ins 请求实例
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* @param {string} action 请求地址
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* @returns {Promise<Array>} 所有父级地区id
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*/
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static createByAction(areaId, ins = request, action = "/admin/area/getAllParentAreaId") {
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return ins.post(action, null, {params: {areaId}, withoutToken: 1}).then(res => res?.data?.reverse() || [])
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}
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/**
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* 获取地区信息
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* @param {string} id 地区id
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* @returns {Object} 地区信息
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*/
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getAreaInfo(id) {
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let info = {}
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const currentLevel = Area.getLevelByAreaId(id);
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for (let i = 0; i <= currentLevel; i++) {
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info[i] = Area.getAreaCodeByLevel(id, i);
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}
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return info
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}
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/**
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* 异步获取地区名称
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* @returns {Promise<void>}
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*/
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async getAreaName() {
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const names = await Area.createByAction(this.id);
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this.getName(names)
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}
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/**
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* 获取地区名称
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* @param {Array} names 地区名称数组
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*/
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getName(names) {
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this.meta = names
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this.nameMap = names?.map(e => e?.name) || []
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this.name = names?.slice(-1)?.[0]?.name || "无"
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this.fullname = this.nameMap.join('')
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}
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/**
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* 异步从数据库中获取地区信息
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* @param {string} code 地区编码
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* @returns {Promise<Area>} Area实例
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*/
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static async init(code) {
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const names = await Area.createByAction(code),
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area = new Area(code)
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area.getName(names)
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return area
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}
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}
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