clientmaintest.java

JAVA编程百例书中各章节的所有例子的源代码,包括套接字编程

package ch07.section07;

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

public class ClientMainTest {
  public static void main(String[] args) throws IOException {
    Socket kkSocket = null;
    PrintWriter out = null;
    BufferedReader in = null;

    try {
      kkSocket = new Socket("ss", 5555);
      out = new PrintWriter(kkSocket.getOutputStream(), true);
      in = new BufferedReader(new InputStreamReader(kkSocket.getInputStream()));
    }
    catch (UnknownHostException e) {
      System.err.println("Don't know about host: ss");
      System.exit(1);
    }
    catch (IOException e) {
      System.err.println("Couldn't get I/O for the connection ");
      System.exit(1);
    }

    BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in));
    String fromServer;
    String fromUser;

    while ( (fromServer = in.readLine()) != null) {
      System.out.println("Server: " + fromServer);
      if (fromServer.equals("Bye.")) {
        break;
      }

      fromUser = stdIn.readLine();
      if (fromUser != null) {
        System.out.println("Client: " + fromUser);
        out.println(fromUser);
      }
    }

    out.close();
    in.close();
    stdIn.close();
    kkSocket.close();
  }
}