netclient.java

java版客户端与服务器通信

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

public class NetClient
{	
	public static final int PORT =8080;
	public static void main(String[] args) throws IOException
	{
		
		InetAddress addr = InetAddress.getByName("localhost");
		
		Socket socket =new Socket(addr,PORT);
		
		try{
			System.out.println("客户端请求: "+socket);
			
			BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream())) ;
				
			PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true);
			out.println("我想获得一些信息");
			
			out.println(" ");
			System.out.println("客户端请求发送完毕...");
			String str = in.readLine();
			System.out.println("接收: "+str);			
				while(str!=null){
					str = in.readLine();
					System.out.println("接收: "+str);
				}
			}finally{
				System.out.println("客户端关闭...");
				socket.close();
			}
	}
}