sockettest_svrclit.java

简单的客户端

import java.net.*;
import java.io.*;

public class SocketTest_SvrClit
{
	public static void main(String[] args) throws UnknownHostException,IOException,ConnectException
	{
		Socket aClient=null;
		aClient=new Socket("127.0.0.1",3434); //InetAddress.getLocalHost()
		try
		{
			BufferedReader input=new BufferedReader(new InputStreamReader(System.in));
			BufferedReader in=new BufferedReader(new InputStreamReader(aClient.getInputStream()));
			PrintWriter out=new PrintWriter(new OutputStreamWriter(aClient.getOutputStream()));
			
			String clientString=null;
			String serverString=null;
			System.out.println("hello!enter bye to exit.");
			boolean done=false;
			while(!done)
			{
				serverString=in.readLine();
				if(serverString !=null)
				System.out.println("Server:"+serverString);
				System.out.print("client:");
				clientString=input.readLine();
				if(clientString.equals("bye")) done=true;
				if(clientString !=null) 
				{
					out.println(clientString);
					out.flush();
				} 
			}
			in.close();
			out.close();
		}
		catch(Exception e)
		{
			System.out.println(e.getMessage());
		}
		finally
		{
			aClient.close();
		}
	}																																							 
}