client.java~3~

一个可以实现联网售票的火车售票管理系统

package train.client;

import java.io.*;
import java.net.*;
import train.parameter.*;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: 沈阳化工学院计算机</p>
 *
 * @author 彭胜勇 胡林
 * @version 1.0
 */
public class Client {
    Socket skt;
    InputStream is;
    ObjectInputStream ois;
    OutputStream os;
    ObjectOutputStream oos;
    String host = null;
    int port;

    public Client(String host, int port) {
        this.host = host;
        this.port = port;
    }

    //建立连接
    public void connect() {
        try {
            System.out.println("hhhhhhhhhhhhhhhhhhhhh");
            skt = new Socket(host == null ? CommonConstant.localhost : host,
                             port);
            is = skt.getInputStream();
            os = skt.getOutputStream();
            oos = new ObjectOutputStream(os);
        } catch (UnknownHostException ex) {
            ex.printStackTrace();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
   public Object read() {
        if (ois == null) {
            try {
                ois = new ObjectInputStream(is);
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        try {
            return ois.readObject();
        } catch (ClassNotFoundException ex1) {
            ex1.printStackTrace();
            return null;
        } catch (IOException ex1) {
            ex1.printStackTrace();
            return null;
        }
    }

    public void write(Object obj) {
        try {
            oos.writeObject(obj);
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}