36 lines
1.6 KiB
JavaScript
36 lines
1.6 KiB
JavaScript
|
/**
|
|||
|
|
* 生成全国县级行政区划快照：node scripts/gen-china-districts.js
|
|||
|
|
* 数据源：devDependency @province-city-china/data（GB/T 2260，省市区四级全量）
|
|||
|
|
* 输出：src/enumerate/chinaDistricts.json，仅保留县级约 3300 条（[code, 名称, 省+市]，160KB 左右）
|
|||
|
|
* 行政区划调整后重新执行本脚本即可刷新快照
|
|||
|
|
*/
|
|||
|
|
const fs = require("fs");
|
|||
|
|
const path = require("path");
|
|||
|
|
|
|||
|
|
const all = require("@province-city-china/data");
|
|||
|
|
|
|||
|
|
/** 省级名称表：code 形如 XX0000 */
|
|||
|
|
const provinceNameByCode = {};
|
|||
|
|
/** 地级名称表：code 形如 XXYY00 */
|
|||
|
|
const cityNameByCode = {};
|
|||
|
|
all.forEach((item) => {
|
|||
|
|
const isProvince = item.city === 0 && item.area === 0 && item.town === 0;
|
|||
|
|
const isCity = item.city !== 0 && item.area === 0 && item.town === 0;
|
|||
|
|
if (isProvince) provinceNameByCode[item.province] = item.name;
|
|||
|
|
if (isCity) cityNameByCode[item.province + item.city] = item.name;
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
const districts = all
|
|||
|
|
.filter((item) => item.city !== 0 && item.area !== 0 && item.town === 0)
|
|||
|
|
.map((item) => {
|
|||
|
|
const province = provinceNameByCode[item.province] || "";
|
|||
|
|
const city = cityNameByCode[item.province + item.city] || "";
|
|||
|
|
// 直辖市等省市同名时不重复拼接
|
|||
|
|
const region = city && city !== province ? `${province}${city}` : province;
|
|||
|
|
return [item.code, item.name, region];
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
const outFile = path.join(__dirname, "../src/enumerate/chinaDistricts.json");
|
|||
|
|
fs.writeFileSync(outFile, `${JSON.stringify(districts)}\n`, "utf8");
|
|||
|
|
console.log(`已生成 ${path.relative(process.cwd(), outFile)}：${districts.length} 条`);
|