import {Path, GET, POST, PathParam, BodyParam} from 'iwinter';

@Path('/api/orders')
class OrdersController {

  @GET
  @Path('/:name/:id', (ctx, next)=> ~~ctx.params.id > 20)
    getAllOrders(@PathParam('id') id: number, @PathParam('name') name: string){
    return [{
        id: id, name, content: 'test', author: 'test', comments: []
      }];
  }

  @POST
  @Path('/add')
  addPost(@BodyParam('order') order: object){
    return order;
  }
}

export default OrdersController;

//app.js
...
let users = require('./routes/users');
let orders = require('./routes/orders');

app.use('/api/users', users);
app.use('/api/orders', orders);
...

//routers/orders.js
...
router.route('/')
  .get(function (req, res, next) {
    let {page, timeRange, customerId, orderNumber} = req.query;
    let limit = constants.PAGE_SIZE;
    let skip = (page - 1) * limit;
    let currentUser = global[Symbol.for('currentUser')];
    let queryCondition = {
      userId: currentUser['_id']
    };
      ...

npm install --save iwinter

import IWinter from 'iwinter';

import * as Router from 'koa-router';
...
app.use(new IWinter({
    engine: 'koa',
  router: new Router(),
  dir: path.join(__dirname, 'controller')
}).controller());
...

import * as express from 'express';
let app = express();
let router = express.Router();
...
new IWinter({
  engine: 'express',
  router: app,
  dir: path.join(__dirname, 'controller'),
    prefix: ''
}).controller();