Initial commit

src/components/RegionsSelect/load-data.ts

@@ -0,0 +1,25 @@
+import request from '@/utils/request';
+import type { RegionsData } from './types';
+const BASE_URL = import.meta.env.BASE_URL;
+let reqPromise: Promise<RegionsData[]>;
+
+/**
+ * 获取省市区数据
+ */
+export function getRegionsData() {
+  if (!reqPromise) {
+    reqPromise = new Promise<RegionsData[]>((resolve, reject) => {
+      request
+        .get<RegionsData[]>(BASE_URL + 'json/regions-data.json', {
+          baseURL: ''
+        })
+        .then((res) => {
+          resolve(res.data ?? []);
+        })
+        .catch((e) => {
+          reject(e);
+        });
+    });
+  }
+  return reqPromise;
+}