1,不一定吧!继承JFrame同样也是可以的,只要是界面化的都可以
4,给你的窗口添加窗口关闭事件:
addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
4,给你的窗口添加窗口关闭事件:
addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
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setOpaque(true);
import javax.swing.*;
import com.borland.jbcl.layout.*;
import javax.swing.border.*;
import java.io.*;
import java.util.*;
import java.net.*;
import java.awt.event.*;
public class Login extends JDialog {
JPanel panel1 = new JPanel();
XYLayout xYLayout1 = new XYLayout();
JPasswordField jPasswordField1 = new JPasswordField();
TitledBorder titledBorder1;
TitledBorder titledBorder2;
JTextField jTextField1 = new JTextField();
JButton jButton1 = new JButton();
JLabel jLabel1 = new JLabel();
JLabel jLabel2 = new JLabel();
JButton jButton2 = new JButton();
JLabel jLabel3 = new JLabel();
public Login(Frame frame, String title, boolean modal) {
super(frame, title, modal);
try {
jbInit();
pack();
}
catch(Exception ex) {
ex.printStackTrace();
}
}
public static void main(String argv[]){
try {
new Login(null, "登录", false).show();
} catch(Exception e) {
e.printStackTrace();
}
} private void jbInit() throws Exception {
titledBorder1 = new TitledBorder("");
titledBorder2 = new TitledBorder(BorderFactory.createEtchedBorder(Color.white,new Color(134, 134, 134)),"");
panel1.setLayout(xYLayout1);
panel1.setOpaque(true);
jPasswordField1.setFont(new java.awt.Font("Dialog", 0, 15));
jPasswordField1.setText("jPasswordField1");
panel1.setBorder(titledBorder1);
jTextField1.setFont(new java.awt.Font("Dialog", 0, 15));
jTextField1.setText("TEST");
jButton1.setFont(new java.awt.Font("Dialog", 0, 15));
jButton1.setText("登 录"); addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
jLabel1.setText("密 码");
jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
jLabel2.setText("用户名");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
jButton2.setText("退 出");
jButton2.setFont(new java.awt.Font("Dialog", 0, 15));
jLabel3.setFont(new java.awt.Font("Serif", 0, 16));
jLabel3.setForeground(UIManager.getColor("InternalFrame.activeTitleGradient"));
this.getContentPane().add(panel1, BorderLayout.CENTER);
setBounds(150,150,500,500); //用这一句可以控制屏幕左上角位置,但控制不了大小
panel1.add(jLabel3, new XYConstraints(71, 35, 247, 31));
panel1.add(jTextField1, new XYConstraints(168, 105, 111, 27));
panel1.add(jLabel2, new XYConstraints(108, 108, 56, -1));
panel1.add(jPasswordField1, new XYConstraints(168, 168, 109, 28));
panel1.add(jLabel1, new XYConstraints(108, 170, 56, -1));
panel1.add(jButton2, new XYConstraints(210, 243, 136, -1));
panel1.add(jButton1, new XYConstraints(37, 245, 136, -1));
}}