public class Server
{
//用来存储所有连接上来的客户
private List<ServerThread> clients;
public static void main(String[] args)
{
Server s = new Server();
s.startServer(9988);
}
public void startServer(int port)
{
ServerSocket ss = null;
Socket socket = null;
try
{
ss = new ServerSocket(port);
clients=new ArrayList<ServerThread>();
while (true)
{
System.out.println("waiting...");
socket = ss.accept();
ServerThread st = new ServerThread(socket);
new Thread(st).start();
}
}
catch (IOException e)
{
e.printStackTrace();
}
finally
{
SocketUtils.closeSocketServer(ss);
}
}
private class ServerThread implements Runnable
{
private Socket s = null;
private BufferedReader br;
private PrintWriter out;
private String address;
private String username;
private boolean flag;
public ServerThread(Socket s) throws IOException
{
this.s = s;
br = new BufferedReader(new InputStreamReader(s.getInputStream(),"utf-8"));
out = new PrintWriter(s.getOutputStream(),true);
username=br.readLine();
System.out.println("username="+username);
address = s.getInetAddress().getHostAddress() + ":" + s.getPort();
// System.out.println(name + "连接上来了");
clients.add(this);
send(username+"上线了");
}
private void stop()
{
System.out.println(username+"已经离开了");
clients.remove(this);
flag = false;
}
/**
* 接收用户的信息
*/
private void receive()
{
String str = null;
try
{
while ((str = br.readLine()) != null)
{
if (str.equalsIgnoreCase("quit"))
{
// 关闭
stop();
out.println("disconnect");
break;
}
String sendMsg=username+":"+str;
// out.println(username+":"+ str);
//给所有的用户发送信息
send(sendMsg);
System.out.println("out");
}
}
catch (IOException e)
{
stop();
System.out.println("用户非正常死亡->"+username);
}finally{
SocketUtils.closeSocket(s);
}
}
/**
* 给用户发信息
* @param msg
*/
private void send(String msg){
for(ServerThread st:clients){
st.out.println(msg);
}
}
public void run()
{
// if(!flag)break;
receive();
}
}
}
public class Client
{
private Socket s;
private BufferedReader br;
private PrintWriter out;
private boolean flag=true;
public static void main(String[] args)
{
Client c=new Client();
// c.sendMessage();
c.startup();
}
public void startup(){
BufferedReader sbr=null;
try
{
s=new Socket("127.0.0.1",9988);
//s=new Socket("115.28.240.213",9988);
out=new PrintWriter(s.getOutputStream(),true);
out.println("myname");
br=new BufferedReader(new InputStreamReader(s.getInputStream(),"utf-8"));
sbr=new BufferedReader(new InputStreamReader(System.in));
new Thread(new ClientThread()).start();
String str=null;
while((flag)&&(str=sbr.readLine())!=null){
if(!flag)break;
String msg=new String(str.getBytes("gbk"),"utf-8");
out.println(msg);
}
}
catch (UnknownHostException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
}
private void closeSocket(Socket s){
if(s!=null){
try
{
s.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
private void receive(){
try
{
String rs=br.readLine();
if(rs.equalsIgnoreCase("disconnect")){
flag=false;
System.out.println("按回车退出");
return ;
}
System.out.println(rs);
}
catch (IOException e)
{
e.printStackTrace();
}
}
private class ClientThread implements Runnable{
@Override
public void run()
{
while(true){
if(!flag)break;
receive();
}
}
}
}