logincard.java

JAVA数据编程的应用

import java.awt.*;
import java.awt.event.*;

public class LoginCard extends Frame{
	private Panel pl[]=new Panel[2];
	private Label lb[]=new Label[2];
	private Button btn[]=new Button[2];
	public Font f=new Font("宋体",Font.ITALIC,18);
    
    LoginCard(){
    	super("组件布局管理练习");
    	pl[1]=new Panel(new GridLayout());
    	//btn[0].setFont(f);
    	btn[0]=new Button("欢迎您使用组件布局……");
    	pl[1].add(btn[0]);
    	add("North",pl[1]);
    	
    	pl[0]=new Panel(new BorderLayout());
    	btn[1]=new Button("请进行主窗口……go,go,go!");
    	pl[0].add(btn[1]);
    	add("South",pl[0]);
    	pl[0].setBounds(5,5,100,150);
    	add(pl[0]); 
    	setSize(300,150);
    	setBackground(Color.pink);
    	setForeground(Color.blue);
    	setResizable(false);
    	setLocation(300,200);
    	setVisible(true);
    	setFont(f);
    	addWindowListener(new WindowAdapter()
		{
			public void windowClosing(WindowEvent e){
				System.exit(0);
			}
		});
    	//打开主窗口
    	btn[1].addActionListener(new ActionListener() {	
    	  public void actionPerformed(ActionEvent e){
    	 	if(e.getSource()==btn[1]){
    			MainCard mc=new MainCard();
    			dispose();
    		}
		  }
       });
    }
 
    //public static void main(String[] args){
    	//new LoginCard();
    //}

}