text: 'use strict';
  var express = require('express');
  var app = express();
  var logger = require('morgan');
  var cookieParser = require('cookie-parser');
  var bodyParser = require('body-parser');
  //var nock = require('nock');
  var jsonServer = require('json-server');
  var router = jsonServer.router('database/db.json'); // Returns an Express router
  var path = require('path');
  
  var address = process.argv[2] || 'localhost:9000'; // address, support 127.0.0.1:9000 or 9000
  var hostName = address.indexOf(':') === -1 ? (address.indexOf('.') === -1 ? 'localhost' : address) : address.split(':')[0];
  var port = address.indexOf(':') === -1 ? (address.indexOf('.') === -1 ? address : 9000) : address.split(':')[1];
  
  // view engine setup
  app.set('views', path.join(__dirname, 'app'));
  app.set('view engine', 'html');
  
  app.use(logger('dev'));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: false }));
  app.use(cookieParser());
  app.use(express.static(path.join(__dirname, 'app')));
  
  // nock setting
  /*nock('http://www.baidu.com')
    .get('/')
    .reply(200, {
      _id: '123ABC',
      _rev: '946B7D1C',
      username: 'pgte',
      email: 'pedro.teixeira@gmail.com'
    });*/
  
  app.use('/api', jsonServer.defaults);
  app.use('/api', router);
  
  // jump to index.html
  app.get('/', function(req, res) {
    res.render('index');
  });
  
  app.listen(port, hostName, function() {
    console.log('\nserver now has start at ' + hostName + ':' + port);
  });
  