denglu.java

java编写的聊天室程序

import javax.swing.*;
import java.awt.event.*;
import java.net.*;

class DengLu extends JFrame implements ActionListener
{JPanel panel1;
 JLabel label1,label2;
 JTextField edit1,edit2;
 JButton button1;
 JCheckBox box1;
 boolean isServer=false;
 String user,address;

 public static void main(String[]args)
 {new DengLu();
 }
	 DengLu()
     {super("登陆");
      panel1=new JPanel();
      label1=new JLabel("用户名:");
      label2=new JLabel("服务器:");
      edit1=new JTextField(10);
      edit2=new JTextField(10);
      button1=new JButton("确认");
      box1=new JCheckBox("我做服务器");
      
      panel1.add(label1);
      panel1.add(edit1);
      panel1.add(label2);
      panel1.add(edit2);
      panel1.add(box1);
      panel1.add(button1);
      
      box1.addActionListener(this);
      button1.addActionListener(this);
    
      
      this.getContentPane().add(panel1);
      this.setSize(200,130);
      this.setResizable(false);
      this.setVisible(true);
     }
     
     public void actionPerformed(ActionEvent event)
     {if(event.getSource()==box1)           //复选框事件
        {if(box1.isSelected())
           {edit2.setEnabled(false);
            isServer=true;
           }
         else
           {edit2.setEnabled(true);
            isServer=false;
           }
        }
      
      if(event.getSource()==button1)       //按钮事件
        {        
         if(jianCha())
           {if(isServer)
              {try
                 {new Server();                          //创建服务器
                  Thread.currentThread().sleep(1000);   //等待服务器线程的完全启动
                 }
               catch(Exception e)
                 {JOptionPane.showMessageDialog(this,"服务器创建失败!");
                  return;
                 }     
              }
               
            
                
            QQer qqer=new QQer(user);
             
            try
              {new Client(address,qqer);        //与服务器建立连接
              }
            catch(Exception e)
              {JOptionPane.showMessageDialog(this,"与服务器连接失败!");
               return;
              }             
              
            this.setVisible(false);           //当连接正