千里之行，始於足下，從小做起，一點一滴學編程。
1 import javax.swing.*; 2 import java.awt.*; 3 4 public class Homework{ 5 6 public static void main(String[] args){ 7 8 JFrame frame = new JFrame(); 9 10 JPanel panel1 = new JPanel(); 11 JPanel panel2 = new JPanel(); 12 JLabel label0 = new JLabel(" 學生成績管理系統"); 13 JLabel label1 = new JLabel("用戶名:"); 14 JLabel label2 = new JLabel("密碼:"); 15 JTextField jtf = new JTextField(10); 16 JPasswordField jpf = new JPasswordField(10); 17 JButton button1 = new JButton("登錄"); 18 JButton button2 = new JButton("取消"); 19 20 Font font1 = new Font("SansSerif",Font.BOLD,50); 21 Font font2 = new Font("SansSerif",Font.BOLD,25); 22 Font font3 = new Font("SansSerif",Font.BOLD,35); 23 ImageIcon icon1 = new ImageIcon("1.png"); 24 ImageIcon icon2 = new ImageIcon("2.png"); 25 ImageIcon icon3 = new ImageIcon("3.png"); 26 ImageIcon icon4 = new ImageIcon("4.png"); 27 ImageIcon icon5 = new ImageIcon("5.png"); 28 29 frame.add(panel1); 30 panel1.setSize(600, 150); 31 panel1.setBackground(Color.CYAN); 32 panel1.setLayout(new BorderLayout()); 33 panel1.add(label0,BorderLayout.CENTER); 34 label0.setFont(font1); 35 label0.setForeground(Color.BLUE); 36 37 frame.add(panel2); 38 panel2.setSize(460, 220); 39 panel2.setLocation(60, 200); 40 panel2.setLayout(new GridLayout(3,2,20,35)); 41 panel2.add(label1); 42 panel2.add(jtf); 43 panel2.add(label2); 44 panel2.add(jpf); 45 panel2.add(button1); 46 panel2.add(button2); 47 label1.setFont(font2); 48 label2.setFont(font2); 49 button1.setFont(font3); 50 button2.setFont(font3); 51 label1.setIcon(icon2); 52 label2.setIcon(icon3); 53 button1.setIcon(icon4); 54 button2.setIcon(icon5); 55 label1.setForeground(Color.BLUE); 56 label2.setForeground(Color.BLUE); 57 button1.setForeground(Color.BLUE); 58 button2.setForeground(Color.BLUE); 59 60 61 frame.setTitle("用戶登錄"); 62 frame.setIconImage(icon1.getImage()); 63 frame.setSize(600,500); 64 frame.setLocation(400, 300); 65 frame.setLayout(null); 66 frame.setResizable(false); 67 frame.setVisible(true); 68 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 69 } 70 }
非常簡單，作為博客園的開端，附上界面結果圖：
