[Add] DB router

+const express = require("express");
+const mysql = require("mysql");
+const fs = require("fs");
+const router = express.Router();
+
+const [id, pw] = fs
+  .readFileSync("server/libs/sql.pvdata", "utf8")
+  .split("\r\n");
+
+const connection = mysql.createConnection({
+  host: "localhost",
+  user: id,
+  password: pw,
+  database: "mydb",
+});
+
+router.get("/", (req, res) => {
+  res.send("DB Root");
+});
+
+router.get("/mytable", (req, res) => {
+  connection.query("SELECT * from mytable", (error, rows) => {
+    if (error) throw error;
+    console.log(rows);
+    res.send(rows);
+  });
+});
+
+module.exports = router;

@@ -4,7 +4,8 @@ const fs = require("fs");
 const cors = require("cors");
 const { getPeed, getSubjects, login } = require("./libs/E_Campus.js");
 
-const loginRouter = require("./routers/login");
+const loginRouter = require("./routers/Login");
+const dbRouter = require("./routers/DB");
 
 const app = express();
 
@@ -23,6 +24,7 @@ app.post("/", (req, res) => {
 });
 
 app.use("/login", loginRouter);
+app.use("/db", dbRouter);
 
 // fs.readFile("server/libs/login.pvdata", "utf8", async (err, data) => {
 //   if (err) {