wehub-resource-sync
126 lines
4.1 KiB
JavaScript
126 lines
4.1 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Weather App 的可搜索城市数据生成工具。
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* 从 Railway12306 参考城市与车站数据生成 searchableCities.json。
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*
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* 用法: node apps/Weather/scripts/build_cities.mjs
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* 输出: apps/Weather/data/searchableCities.json
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*/
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import { readFileSync, writeFileSync } from 'fs';
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import { resolve, dirname } from 'path';
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import { fileURLToPath } from 'url';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const APP_DIR = resolve(__dirname, '..');
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const ROOT = resolve(APP_DIR, '../..');
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const ADCODE_TO_PROVINCE = {
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'11': '北京', '12': '天津', '13': '河北', '14': '山西', '15': '内蒙古',
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'21': '辽宁', '22': '吉林', '23': '黑龙江',
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'31': '上海', '32': '江苏', '33': '浙江', '34': '安徽', '35': '福建',
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'36': '江西', '37': '山东',
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'41': '河南', '42': '湖北', '43': '湖南', '44': '广东', '45': '广西',
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'46': '海南',
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'50': '重庆', '51': '四川', '52': '贵州', '53': '云南', '54': '西藏',
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'61': '陕西', '62': '甘肃', '63': '青海', '64': '宁夏', '65': '新疆',
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'71': '台湾', '81': '香港', '82': '澳门',
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};
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// 某些城市名不带"市"后缀的特殊情况
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const NO_CITY_SUFFIX = new Set([
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'香港', '澳门',
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// 自治州/地区/盟等非"市"单位在 cities.json 中已带完整名称
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]);
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function needsCitySuffix(name) {
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if (NO_CITY_SUFFIX.has(name)) return false;
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if (name.endsWith('市') || name.endsWith('州') || name.endsWith('地区') ||
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name.endsWith('盟') || name.endsWith('林区') || name.endsWith('区') ||
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name.endsWith('县')) return false;
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return true;
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}
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// 1. 读取数据
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const citiesJson = JSON.parse(readFileSync(resolve(ROOT, 'apps/Railway12306/data/reference/cities.json'), 'utf-8'));
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const stationList = JSON.parse(readFileSync(resolve(ROOT, 'apps/Railway12306/data/reference/stationList.json'), 'utf-8'));
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// 2. 从 stationList 构建 cityName → 最高等级车站的 {lat, lng} 映射
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const cityCoords = new Map();
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for (const s of stationList) {
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if (s.lat == null || s.lng == null) continue;
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const existing = cityCoords.get(s.cityName);
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if (!existing || s.stationClass > existing.stationClass) {
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cityCoords.set(s.cityName, { lat: s.lat, lng: s.lng, stationClass: s.stationClass });
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}
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}
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// 3. 从 cities.json 提取所有城市（去重 hot 与字母分组的重复）
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const seen = new Set();
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const allCities = [];
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for (const [key, items] of Object.entries(citiesJson)) {
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if (!Array.isArray(items)) continue;
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for (const city of items) {
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if (seen.has(city.adcode)) continue;
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seen.add(city.adcode);
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allCities.push(city);
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}
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}
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// 4. 合成结果
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const results = [];
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let noCoords = 0;
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for (const city of allCities) {
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const adcodePrefix = city.adcode.substring(0, 2);
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const adm1 = ADCODE_TO_PROVINCE[adcodePrefix];
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if (!adm1) {
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console.warn(`未知 adcode 前缀: ${city.adcode} (${city.name})`);
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continue;
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}
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const displayName = needsCitySuffix(city.name) ? city.name + '市' : city.name;
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// 尝试匹配坐标：先用原始名（不带市），再用带"市"的名
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let coords = cityCoords.get(city.name) || cityCoords.get(displayName);
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// 部分城市名在 stationList 中可能有变体
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if (!coords) {
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// 自治州等名称可能只有前面部分匹配
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for (const [stCityName, stCoords] of cityCoords) {
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if (city.name.startsWith(stCityName) || stCityName.startsWith(city.name)) {
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coords = stCoords;
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break;
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}
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}
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}
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if (!coords) {
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noCoords++;
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continue;
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}
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const id = city.pinyin;
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const adm2 = displayName;
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results.push({
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id,
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name: displayName,
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adm1,
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adm2,
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pinyin: city.pinyin,
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lon: Math.round(coords.lng * 10000) / 10000,
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lat: Math.round(coords.lat * 10000) / 10000,
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});
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}
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// 按拼音排序
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results.sort((a, b) => a.pinyin.localeCompare(b.pinyin));
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console.log(`总计生成 ${results.length} 个城市（${noCoords} 个因缺少坐标被跳过）`);
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// 5. 写入
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const outPath = resolve(APP_DIR, 'data/searchableCities.json');
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writeFileSync(outPath, JSON.stringify(results, null, 2) + '\n', 'utf-8');
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console.log(`已写入: ${outPath}`);
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