137 lines
4.1 KiB
JavaScript
137 lines
4.1 KiB
JavaScript
/**
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* 区域数据服务
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* 提供省市区数据查询功能
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*/
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import { API_CONFIG } from '../config/api.config.js';
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import { ApiClient } from '../core/api.js';
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const CACHE_KEY_PREFIX = 'area_cache_';
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const CACHE_DURATION = 10 * 60 * 1000; // 10分钟
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/**
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* 区域服务
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*/
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export class AreaService {
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/**
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* 获取区域列表
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* @param {string} provincecode - 省份代码（可选）
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* @returns {Promise<Array>} 区域列表 [{code, name}]
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*/
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static async getAreaList(provincecode) {
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// 检查缓存
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const cacheKey = `${CACHE_KEY_PREFIX}${provincecode || 'all'}`;
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const cached = localStorage.getItem(cacheKey);
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if (cached) {
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const { data, timestamp } = JSON.parse(cached);
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if (Date.now() - timestamp < CACHE_DURATION) {
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return data;
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}
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}
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try {
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// 构建请求参数
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const params = {};
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if (provincecode) {
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params.provincecode = provincecode;
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}
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// 使用 ApiClient 发送请求
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const result = await ApiClient.get(API_CONFIG.ENDPOINTS.AREA_LIST, params);
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if (result.retcode !== 0) {
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throw new Error(result.retmsg || '获取区域数据失败');
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}
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const areaList = result.result || [];
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// 保存到缓存
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localStorage.setItem(cacheKey, JSON.stringify({
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data: areaList,
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timestamp: Date.now()
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}));
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return areaList;
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} catch (error) {
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console.error('[AreaService] 获取区域数据失败:', error);
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throw error;
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}
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}
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/**
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* 获取所有省份
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* @returns {Promise<Array>} 省份列表
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*/
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static async getProvinces() {
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return this.getAreaList();
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}
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/**
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* 获取指定省份的市和区
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* @param {string} provincecode - 省份代码（如：13）
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* @returns {Promise<Array>} 市区列表
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*/
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static async getCities(provincecode) {
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if (!provincecode) {
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throw new Error('省份代码不能为空');
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}
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return this.getAreaList(provincecode);
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}
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/**
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* 清除缓存
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*/
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static clearCache() {
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Object.keys(localStorage)
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.filter(key => key.startsWith(CACHE_KEY_PREFIX))
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.forEach(key => localStorage.removeItem(key));
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}
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/**
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* 根据地区代码（身份证前6位）查询地区信息
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* @param {string} areaCode - 地区代码（6位）
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* @returns {Promise<Object|null>} - 地区信息 {province, city, district, value}，如果未找到则返回 null
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*/
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static async getAreaByCode(areaCode) {
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if (!areaCode || areaCode.length < 6) {
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return null;
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}
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try {
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const provincecode = areaCode.substring(0, 2);
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// 并行查询省列表和该省的市区列表
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const [provinces, areas] = await Promise.all([
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this.getProvinces(),
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this.getAreaList(provincecode)
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]);
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// 查找省、市、区
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const province = provinces.find(p => p.code === provincecode);
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const city = areas.find(a => a.code === areaCode.substring(0, 4));
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const district = areas.find(a => a.code === areaCode);
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// 至少要有省份才返回
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if (province) {
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return {
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province: province.name,
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city: city ? city.name : '',
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district: district ? district.name : '',
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provinceCode: province.code,
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cityCode: city ? city.code : '',
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districtCode: district ? district.code : '',
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value: city ? city.name : province.name // 只返回市名或省名
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};
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}
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return null;
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} catch (error) {
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console.error('[AreaService] 根据代码查询地区失败:', error);
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return null;
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}
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}
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}
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export default AreaService;
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