nodejs socket实现的服务端和客户端功能示例

/**
 * Created with JetBrains WebStorm.
 * User: Administrator
 * Date: 12-10-26
 * Time: 下午3:44
 * To change this template use File | Settings | File Templates.
 */
var net = require('net');
var timeout = 20000;//超时
var listenPort = 7003;//监听端口
var server = net.createServer(function(socket){
  // 我们获得一个连接 - 该连接自动关联一个socket对象
  console.log('connect: ' +
    socket.remoteAddress + ':' + socket.remotePort);
  socket.setEncoding('binary');
  //超时事件
//  socket.setTimeout(timeout,function(){
//    console.log('连接超时');
//    socket.end();
//  });
  //接收到数据
  socket.on('data',function(data){
    console.log('recv:' + data);
  });
  //数据错误事件
  socket.on('error',function(exception){
    console.log('socket error:' + exception);
    socket.end();
  });
  //客户端关闭事件
  socket.on('close',function(data){
    console.log('close: ' +
      socket.remoteAddress + ' ' + socket.remotePort);
  });
}).listen(listenPort);
//服务器监听事件
server.on('listening',function(){
  console.log("server listening:" + server.address().port);
});
//服务器错误事件
server.on("error",function(exception){
  console.log("server error:" + exception);
});

/**
 * Created with JetBrains WebStorm.
 * User: Administrator
 * Date: 12-10-26
 * Time: 下午3:56
 * To change this template use File | Settings | File Templates.
 */
var net = require('net');
var port = 7003;
var host = '127.0.0.1';
var client= new net.Socket();
client.setEncoding('binary');
//连接到服务端
client.connect(port,host,function(){
  client.write('hello my client');
});
client.on('data',function(data){
  console.log('recv data:'+ data);
});
client.on('error',function(error){
  console.log('error:'+error);
  client.destory();
});
client.on('close',function(){
  console.log('Connection closed');
});