text: // Copyright [2016] [Lele Guo]
  // 
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  // 
  // http://www.apache.org/licenses/LICENSE-2.0
  // 
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  // 
  /*
  var http = require('http');
  http.createServer(function (req, res) {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.end('Hello Node.js\n');
  }).listen(8124, "127.0.0.1");
  console.log('Server running at http://127.0.0.1:8124/');
  */
  
  var express = require('express');
  
  console.log('express='+express)
  
  var http = require('http');
  
  var app = http.createServer(function(req,res){
      res.setHeader('Content-Type', 'application/json');
      res.end(JSON.stringify({ a: 1 }));
  });
  app.listen(8124, "127.0.0.1");
  