004.koa2框架

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app.js:

const Koa = require('koa');
const app = new Koa();
const bodyParser = require('koa-bodyparser');
const routers = require('./router/router');

app.use(bodyParser());
app.use(routers.routes(), routers.allowedMethods());  

app.listen(3000,()=>{
    console.log('[demo] server is starting at port 3000');
});

router.js:

const router = require('koa-router')();
const login = require('./routers/login');
const user = require('./routers/user');

router.use('/login', login.routes(), login.allowedMethods());
router.use('/user', user.routes(), user.allowedMethods());

module.exports = router;

login.js:

var router = require('koa-router')();

router.get('/', function (ctx) {
  ctx.body = 'this a index response!';
});

router.get('/cmd', function (ctx) {
  ctx.body = 'this a index/hi response!';
});

router.post('/denglu', function (ctx, next) {
  ctx.body = ctx.request.body
  console.log('123')
})

module.exports = router;