chat-server/qq-imsvr/node_modules/koa-hbs/example/app.js

var koa = require('koa');
var hbs = require('..');

var app = koa();

// koa-hbs is middleware. Use it before you want to render a view
app.use(hbs.middleware({
  viewPath: __dirname + '/views'
}));

// Render is attached to the koa context. Call this.render in your middleware
// to attach your rendered html to the response body.
app.use(function *() {
  yield this.render('main', {title: 'koa-hbs'});
})

app.listen(3000);