newCashBook/node_expores/router/books/index.js

// 添加账本
import express from "express";

const router = express.Router();

// middleware that is specific to this router
router.use(function timeLog(req, res, next) {
  console.log("Time: ", Date.now());
  next();
});
// define the home page route
router.get("/", function (req, res) {
  res.send("Books home page");
});
// define the about route
router.get("/about", function (req, res) {
  res.send("About books");
});

export default router;