用户申请售后流程：新增退货地址管理，物流公司和说明的ui

src/utils/base/baseApi.js

+import fetch from "../fetch";
+import { getBaseUrl } from "@/utils/index";
+let headers = {
+  "Content-Type": "application/json;charset=UTF-8",
+  token: localStorage.getItem("storageToken"),
+};
+
+/*获取省份*/
+export const getProvinces = () => {
+  return fetch({
+    headers,
+    url: getBaseUrl(`/basic-data/position/provinces`),
+    method: "get",
+  });
+};
+
+// /*获取市*/
+export const getCities = (params) => {
+  return fetch({
+    headers,
+    url: getBaseUrl(`/basic-data/position/cities`),
+    method: "get",
+    params: params,
+  });
+};
+
+// /*获取区*/
+export const getCounties = (params) => {
+  return fetch({
+    url: getBaseUrl(`/basic-data/position/counties`),
+    method: "get",
+    params: params,
+  });
+};