Refine project structure

backend/src/utils/ip-api.js

@@ -0,0 +1,10 @@
+import { HTTP } from '../vendor/open-api';
+
+export default async function IP_API(req, res) {
+    const server = decodeURIComponent(req.params.server);
+    const $http = HTTP();
+    const result = await $http
+        .get(`http://ip-api.com/json/${server}?lang=zh-CN`)
+        .then((resp) => JSON.parse(resp.body));
+    res.json(result);
+}