servercode.java

本光盘包含了本书各章中出现的所有程序的源代码。 1. 如果是Java程序

package tcp;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class ServerCode {
	// 设置端口号
	public static int portNo = 3333;

	public static void main(String[] args) throws IOException {
		ServerSocket s = new ServerSocket(portNo);
		System.out.println("The Server is start: " + s);
		// 阻塞,直到有客户端连接
		Socket socket = s.accept();
		try {
			System.out.println("Accept the Client: " + socket);
			// 设置IO句柄
			BufferedReader in = new BufferedReader(new InputStreamReader(socket
					.getInputStream()));
			PrintWriter out = new PrintWriter(new BufferedWriter(
					new OutputStreamWriter(socket.getOutputStream())), true);
			while (true) {
				String str = in.readLine();
				if (str.equals("byebye")) {
					break;
				}
				System.out.println("In Server reveived the info: " + str);
				out.println(str);
			}
		} finally {
			System.out.println("close the Server socket and the io.");
			socket.close();
			s.close();
		}
	}
}