Question

I'm currently using the Express router within a NodeJS application. I have simply been using app.use(app.router); for routing and it works well. However, I'm now testing out some new routes and want to handle them differently.

Ideally I would like to be able to say:

var vers2Router = require('./routes/version2');

app.use('/version2', vers2Router);
app.use(app.router);

Can I do this in order to handle all /version2 routes with vers2Router and the rest simply using app.router?

Answer 1

自Express版本4.x起，app.router已被删除。路线现在按照添加顺序执行。

现在您可以使用express.Router，因为它允许您拥有孤立的路由实例，在您的示例中，您可以使用自己的版本化路由创建许多路由器。

这样的事情：

// app.js
'use strict';

var express = require('express');
var app = express();

var userRouterV1 = require('./routes/v1/userRouter.js');
var userRouterV2 = require('./routes/v2/userRouter.js');

app.use('/v1/api/users', userRouterV1);
app.use('/v2/api/users', userRouterV2);

app.listen(4000, function () {
  console.log('server up an running');
});

和你的孤立路线版本1：

// /routes/v1/userRouter.js
'use strict';

var express = require('express');
var router = express.Router();

router.get('/', function (req, res) {
  res.send('Hello v1');
});

module.exports = router;

最后你的孤立路线版本2：

// /routes/v2/userRouter.js
'use strict';

var express = require('express');
var router = express.Router();

router.get('/', function (req, res) {
  res.send('Hey v2');
});

module.exports = router;

How to handle one express route different than all other

1 个答案: