loginframe.java

此程序在JAVA界面上实现下五指棋的功能

import java.awt.*;
import java.awt.event.*;
public class LoginFrame extends Frame{
	
	TextField username1,password1;//登录id，密码输入
	TextField username2,password2;//注册id，密码输入
	Label lab1,lab2,lab3,lab4;
	Button login,register; 
    ClientFrame client_frame;
	
     public LoginFrame(ClientFrame cf)//构造函数
    {   
        client_frame = cf;
        
        setLayout(null);
        username1=new TextField();
        username2=new TextField();
        password1=new TextField();
        password2=new TextField();
        
        
        lab1=new Label("user name:");
        lab2=new Label("password:");
        lab3=new Label("user name:");
        lab4=new Label("password:");
        
        lab1.setForeground (Color.white);
        lab2.setForeground (Color.white);
        lab3.setForeground (Color.white);
        lab4.setForeground (Color.white);
        
        add(lab1);
        add(lab2);
		add(lab3);
        add(lab4);
        
        lab1.setSize(65,20);
        lab2.setSize(65,20);
        lab3.setSize(65,20);
        lab4.setSize(65,20);
        
        lab1.setLocation(10,50);
        lab2.setLocation(10,80);
        lab3.setLocation(10,120);
        lab4.setLocation(10,150);
        
        username1=new TextField();
        username1.setSize (150,20);
        add(username1);
        username1.setLocation (95,50);
		
		password1=new TextField();
        password1.setEchoChar ('*');
        password1.setSize (150,20);
        add(password1);
        password1.setLocation (95,80);         
        


        login=new Button("Login");
        login.setSize(60,20);
        login.setLocation (275,80);
        
//-------------添加监听器 向服务器发送注册信息-------------------------       
        login.addActionListener(new ActionListener(){
        	public void actionPerformed(ActionEvent evt)
        	{
        		String user_name = username1.getText();
        		String passwd = password1.getText();
        		
        		client_frame.setName(user_name);
        		if(!user_name.equals("")&&!passwd.equals(""))
        		client_frame.out.println(MsgType.LOGON+" "+user_name+" "+passwd);
        		System.out.println("********** I am logged as "+user_name+"***********");
        		client_frame.setTitle((String)user_name+" is playing here...");
        	}
        });
        add(login);
        
        username2=new TextField();
        username2.setSize (150,20);
        add(username2);
        username2.setLocation (95,120);
        
        password2=new TextField();
        password2.setEchoChar ('*');
        password2.setSize (150,20);
        add(password2);
        password2.setLocation (95,150);
        
        register=new Button("Register");
        register.setSize(60,20);
        register.setLocation (275,150);
        
        
 //-------------添加监听器 向服务器发送注册信息-------------------------
        register.addActionListener(new ActionListener(){
        	public void actionPerformed(ActionEvent evt)
        	{
        		System.out.println(client_frame);
        		
        		String user_name = username2.getText();
        		String passwd = password2.getText();
        		client_frame.setName(user_name);
        		if(!user_name.equals("")&&!passwd.equals(""))
        		client_frame.out.println(MsgType.REGISTER+" "+user_name+" "+passwd);
        		client_frame.out.flush();
        		client_frame.setTitle((String)user_name+" is playing here...");
        	}
        });
        add(register);
        int ScreenWidth,ScreenHeight;
        this.setSize(400,200);
           
        setTitle("登录注册界面");
		
		setResizable(false);
		
		setBackground(Color.DARK_GRAY);
		
		setVisible(true);
		
			  addWindowListener(new WindowAdapter()
	   {		
			public void windowClosing(WindowEvent e)
			{   
			   	System.exit(0);
			}
		});			
	}
	
	
	
//------------清空TextArea---------------------------------	
			public void clear()
			{
				password1.setText("");
				password2.setText("");
				username1.setText("");
				username2.setText("");
			}




}