小程序
发布时间:2023-12-24 06:19:29 来源:文档文库
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package javalearn;
import java.awt.*; import java.awt.List; import java.awt.event.*; import java.io.*; import java.net.*; import java.text.DateFormat; import java.util.*; import javax.swing.*;
public class Client extends JFrame { private boolean loginFlag = false;// 为true时表示已经登录,为false时表示未登录 private final JTextField text_n; private final JTextField text_s; private JList userlist; private JTextArea talkmessage; private ObjectOutputStream out;// 声明输出流对象
public static void main(String args[]{ EventQueue.invokeLater(new Runnable( { public void run( {
try { Client clientframe = new Client(;
clientframe.setVisible(true; clientframe.createClientSocket(;// 调用方法创建套接字对象 } catch (Exception e { e.printStackTrace(; } } }; }
public void createClientSocket( {
try { Socket clientsocket = new Socket("localhost", 1989; // 创建套接字对象