接口

app.js

const express = require("express");
const app = express();

const router = require("./router/router.js");

app.use(express.json());
app.use(express.urlencoded({ extended: false }));

app.use("/api", router);

app.use((err, req, res, next) => {
  res.send("错误信息：" + err.message);
  next();
});
app.listen(8088, () => {
  console.log("express server running at http://localhost:8088");
});

router.js

const express = require("express");
const router = express.Router();

router.post("/login", (req, res) => {
  const data = req.body;

  res.send({
    state: 200,
    message: "登录成功",
    data: req.body,
  });
});

module.exports = router;