JAVAはGUIを使って1つの簡単な学生の管理システムの0.3バージョンを書きます--フロントエンドのインタフェースは基本的に完成します
10276 ワード
0.3バージョン重ポンド襲来
1.入力、変更、削除、照会ボタンの更新
2.コードの最適化、コードの簡潔化
注意imageコードは0.2バージョンで発表されていますが、以前のコードを見てください.
1.入力、変更、削除、照会ボタンの更新
2.コードの最適化、コードの簡潔化
注意imageコードは0.2バージョンで発表されていますが、以前のコードを見てください.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import frame.ImagePanel;
public class Login{
public static void main (String []args){
AFrame f = new AFrame(" ");
}
}
class AFrame extends JFrame{
JButton b1;
JButton b2;
JTextField t1;
JTextField t2;
public AFrame(String title){
super(title);
this.setLayout(null);
Panel p = new Panel();
b1 =new JButton(" ");
b2 =new JButton(" ");
t1 =new JTextField(25);
t1.setFont(new Font(" ",Font.BOLD,25));
t2 =new JPasswordField(25);
t2.setFont(new Font(" ",Font.BOLD,25));
JLabel nameLabel = new JLabel(" ");
nameLabel.setFont(new Font(" ",Font.BOLD,25));
nameLabel.setHorizontalAlignment(JTextField.CENTER);
JLabel pwdLabel = new JLabel(" ");
pwdLabel.setFont(new Font(" ",Font.BOLD,25));
pwdLabel.setHorizontalAlignment(JTextField.CENTER);
this.setBounds(300,300,1000,500);
this.add(nameLabel);
this.add(t1);
this.add(pwdLabel);
this.add(t2);
this.add(b1);
this.add(b2);
nameLabel.setBounds(100,100,200,50);
pwdLabel.setBounds(100,200,200,50);
t1.setBounds(600,100,200,50);
t2.setBounds(600,200,200,50);
b1.setBounds(100,300,200,50);
b2.setBounds(600,300,200,50);
b1.addActionListener (new ResponseButton());
b2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
JOptionPane.showMessageDialog(null," ");
System.exit(0);
}
});
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
getRootPane().setDefaultButton(b1);
b1.addKeyListener (new KeyAdapter(){
public void keyPressed(KeyEvent e){
if(e.getKeyCode() == KeyEvent.VK_ENTER)
{
AFrame2 f1 = new AFrame2(" -123456");
}else{
System.out.print(t1.getText());
JOptionPane.showMessageDialog(null, " ", "Error.mxy",JOptionPane.ERROR_MESSAGE);
}
}
});
ImagePanel ip = new ImagePanel(new ImageIcon("C:\\Users\\admin\\Desktop\\logo.png").getImage());
this.add(ip);
}
public class ResponseButton implements ActionListener{
public void actionPerformed(ActionEvent e){
String str ="123456";
if(t1.getText().equals(str)&&t2.getText().equals(str) ){
AFrame2 f1 = new AFrame2(" -123456");
}else{
System.out.print(t1.getText());
JOptionPane.showMessageDialog(null, " ", "Error.mxy",JOptionPane.ERROR_MESSAGE);
}
}
}
class AFrame2 extends JFrame{
JButton b3;
JButton b4;
JButton b5;
JButton b6;
public AFrame2(String title){
super(title);
b3 =new JButton(" ");
b4 =new JButton(" ");
b5 =new JButton(" ");
b6 =new JButton(" ");
this.add(b3);
this.add(b4);
this.add(b5);
this.add(b6);
b3.setBounds(100,80,160,100);
b4.setBounds(100,290,160,100);
b5.setBounds(300,80,160,100);
b6.setBounds(300,290,160,100);
b3.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
AFrame3 f2 = new AFrame3(" - ");
}
});
b4.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
AFrame4 f3 = new AFrame4(" - ");
}
});
b5.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
AFrame5 f4 = new AFrame5(" - ");
}
});
b6.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
AFrame6 f4 = new AFrame6(" - ");
}
});
this.setLayout(null);
this.setBounds(300,300,600,500);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
}
}
class AFrame3 extends JFrame{
JTextField t3;
JTextField t4;
JTextField t5;
JTextField t6;
JTextField t7;
JLabel nameLabel2;
JLabel studentnumber;
JLabel major;
JLabel age;
JLabel sex;
JButton b7;
JButton b8;
JLabel l1;
public AFrame3(String title){
super(title);
this.setLayout(null);
l1 = new JLabel(" ");
l1.setForeground(Color.gray);
l1.setFont(new Font(" ",Font.BOLD,20));
l1.setHorizontalAlignment(JTextField.CENTER);
nameLabel2 =new JLabel(" ：");
nameLabel2.setFont(new Font(" ",Font.BOLD,25));
nameLabel2.setHorizontalAlignment(JTextField.CENTER);
major =new JLabel(" ：");
major.setFont(new Font(" ",Font.BOLD,25));
major.setHorizontalAlignment(JTextField.CENTER);
age =new JLabel(" ：");
age.setFont(new Font(" ",Font.BOLD,25));
age.setHorizontalAlignment(JTextField.CENTER);
sex =new JLabel(" ：");
sex.setFont(new Font(" ",Font.BOLD,25));
sex.setHorizontalAlignment(JTextField.CENTER);
studentnumber = new JLabel(" ：");
studentnumber.setFont(new Font(" ",Font.BOLD,25));
studentnumber.setHorizontalAlignment(JTextField.CENTER);
t3 =new JTextField(25);
t3.setFont(new Font(" ",Font.BOLD,25));
t4 =new JTextField(25);
t4.setFont(new Font(" ",Font.BOLD,25));
t5 =new JTextField(25);
t5.setFont(new Font(" ",Font.BOLD,25));
t6 =new JTextField(25);
t6.setFont(new Font(" ",Font.BOLD,25));
t7 =new JTextField(25);
t7.setFont(new Font(" ",Font.BOLD,25));
b7 = new JButton(" ");
b8 = new JButton(" ");
b8.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
JOptionPane.showMessageDialog(null," ");
System.exit(0);
}
});
this.add(t3);
this.add(t4);
this.add(t5);
this.add(t6);
this.add(t7);
this.add(nameLabel2);
this.add(major);
this.add(age);
this.add(sex);
this.add(studentnumber);
this.add(l1);
this.add(b8);
this.add(b7);
t3.setBounds(180,40,180,50);
t4.setBounds(180,100,180,50);
t5.setBounds(180,160,180,50);
t6.setBounds(180,220,180,50);
t7.setBounds(180,280,180,50);
nameLabel2.setBounds(0,40,180,50);
age.setBounds(0,100,180,50);
sex.setBounds(0,160,180,50);
studentnumber.setBounds(0,220,180,50);
major.setBounds(0,280,180,50);
l1.setBounds(0,0,360,40);
b7.setBounds(50,360,100,50);
b8.setBounds(220,360,100,50);
this.setBounds(900,300,400,500);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//xiugai
this.setVisible(true);
}
}
class AFrame4 extends JFrame{
JButton b9;
JButton b10;
JTextField t8;
JLabel l2;
JLabel l3;
public AFrame4(String title){
super(title);
b9 = new JButton(" ");
b10 = new JButton(" ");
t8 = new JTextField(25);
t8.setFont(new Font(" ",Font.BOLD,25));
l2 = new JLabel(" ：");
l2.setFont(new Font(" ",Font.BOLD,25));
l2.setHorizontalAlignment(JTextField.CENTER);
l3 = new JLabel(" ");
l3.setForeground(Color.gray);
l3.setFont(new Font(" ",Font.BOLD,20));
l3.setHorizontalAlignment(JTextField.CENTER);
this.add(b9);
this.add(b10);
this.add(t8);
this.add(l2);
this.add(l3);
b9.setBounds(50,300,100,50);
b10.setBounds(200,300,100,50);
t8.setBounds(180,160,180,50);
l2.setBounds(0,160,180,50);
l3.setBounds(0,0,360,40);
b10.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
JOptionPane.showMessageDialog(null," ");
System.exit(0);
}
});
this.setLayout(null);
this.setBounds(900,300,400,500);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
}
}
class AFrame5 extends AFrame4{
public AFrame5(String title){
super(title);
l3.setText(" ");
}
}
class AFrame6 extends AFrame4{
public AFrame6(String title){
super(title);
l3.setText(" ");
}
}
}