node.js的helloworld

var http = require('http');

http.createServer(function (request, response) {

  // 发送 HTTP 头部
  // HTTP 状态值: 200 : OK
  // 内容类型: text/plain
  response.writeHead(200, {'Content-Type': 'text/plain'});
  sayHello();
  // 发送响应数据 "Hello World"
  response.end('Hello World\n');
}).listen(8888);

// 终端打印如下信息
console.log('Server running at http://127.0.0.1:8888/');

function sayHello(){
console.log("hello World");
}

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转载自guoxing.iteye.com/blog/2342799