#node.js #express #router

node.js router

1. router 기본 샘플코드

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var express = require('express');
var app = express();
var accountRouter = express.Router();

accountRouter.get('/r1', function(req, res){
  res.send('/account/r1');
});
accountRouter.get('/r2', function(req, res){
  res.send('/account/r2');
});
 
app.use('/account', accountRouter);
//account로 들어오는 모든 경로를 accountRouter에 위임

var userRouter  = express.Router();
userRouter.get('/r1', function(req, res){
  res.send('user/r1');
});
userRouter.get('/r2', function(req, res){
  res.send('user/r2');
});
app.use('/user', userRouter);
//user 들어오는 모든 경로를 userRouter 위임
 app.listen(3005, function(){
  console.log('3005 port connected');
});

test 해보기

  • localhost:3005/user/r1
  • localhost:3005/user/r1
  • localhost:3005/account/r1
  • localhost:3005/account/r1

2. 위의코드 이쁘게 나누보자

  1. app.js가 실행되어지고 있는 폴더에서 폴더 생성 mkdir routes
  2. cd routes

  3. vim account.js

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

    accountRouter.get('/r1', function(req, res){
      res.send('/account/r1');
    });
    accountRouter.get('/r2', function(req, res){
      res.send('/account/r2');
    });

    module.exports = accountRouter;

  4. vim user.js

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

    userRouter.get('/r1', function(req, res){
      res.send('user/r1');
    });
    userRouter.get('/r2', function(req, res){
      res.send('user/r2');
    });
    module.exports = userRouter;

  5. app.js수정

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

    var accountRouter = require('./routes/account.js')

    app.use('/account', accountRouter);
    //account로 들어오는 모든 경로를 accountRouter에 위임

    var userRouter  =  require('./routes/user.js')

    app.use('/user', userRouter);
    //user 들어오는 모든 경로를 userRouter 위임
     app.listen(3005, function(){
      console.log('3005 port connected');
    });

  6. test 해보기

  • localhost:3005/user/r1
  • localhost:3005/user/r1
  • localhost:3005/account/r1
  • localhost:3005/account/r1
#node.js #express #router