client.java

来自「JAVA的聊天源代码」· Java 代码 · 共 58 行

package qq;

import java.util.Hashtable;
import java.net.Socket;
import java.net.ServerSocket;
import java.io.ObjectOutputStream;
import java.io.ObjectInputStream;
import java.net.*;
import java.io.*;

public class Client {
    //客户端公共变量声明
    public static final int SERVERPORT = 10000;//服务器端口
    public static final String SERVERIP = "127.0.0.1";//服务器IP
    public int userPort = 10001;//客户端端口初始值
    public UserInfo userInfo = new UserInfo();//用户信息(暂存)
    public Hashtable userFriendList = new Hashtable();//好友列表(暂存)
    public static Hashtable localUser = new Hashtable();//当前用户
    public static Hashtable friendList = new Hashtable();//好友列表(key为用户id，value为用户好友列表)

    //客户端与服务器端信息交互变量声明
    private Socket socket = null;
    private ServerSocket serverSocket = null;
    ObjectOutputStream objOut = null;
    ObjectInputStream objIn = null;

    //发送信息
    public void send(Object obj) {
        try {
            socket = new Socket(SERVERIP, SERVERPORT); //服务器端IP和端口号
            objOut = new ObjectOutputStream(socket.getOutputStream());
            objOut.writeObject(obj);
            objOut.flush();
            objOut.close();
            socket.close();
        } catch (UnknownHostException ex) {
        } catch (IOException ex) {
        }
    }

    //接受信息
    public Object get(int Port) {
        Object obj = new Object();
        try {
            serverSocket = new ServerSocket(Port);
            socket = serverSocket.accept();
            objIn = new ObjectInputStream(socket.getInputStream());
            obj = objIn.readObject();
            objIn.close();
            socket.close();
            serverSocket.close();
        } catch (IOException ex) {
        } catch (ClassNotFoundException ex) {
        }
        return obj;
    }
}