passworddialog.java

Java灵感编程1-101之41-60

package passworddialog;

import java.awt.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.awt.event.*;

/**
 * <p>Title: Password Dialog Demo</p>
 * <p>Description: This is a Password Dialog demo</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: d6-125</p>
 * @author Liujun
 * @version 1.0
 */

public class PasswordDialog extends JDialog {
  JPanel panel1 = new JPanel();
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JPasswordField jPasswordField1 = new JPasswordField();
 //定义私有变量OK
   private boolean ok;

  public PasswordDialog(Frame frame, String title, boolean modal) {
    super(frame, title, modal);
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  public PasswordDialog(JFrame parent)
   {
    this(parent, "连接数据库", true);
   }

  public PasswordDialog() {
    this(null, "连接数据库", false);
  }

  void jbInit() throws Exception {
    panel1.setLayout(xYLayout1);
    jLabel1.setText("用户名：");
    jLabel2.setText("密  码：");
    jTextField1.setText("");
    jButton1.setText("确认");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    jButton2.setToolTipText("");
    jButton2.setText("取消");
    jButton2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton2_actionPerformed(e);
      }
    });
    jPasswordField1.setText("");
    panel1.add(jLabel2,  new XYConstraints(15, 72, -1, -1));
    panel1.add(jLabel1, new XYConstraints(15, 32, -1, -1));
    panel1.add(jTextField1, new XYConstraints(88, 32, 147, -1));
    panel1.add(jButton1, new XYConstraints(39, 121, -1, -1));
    panel1.add(jButton2, new XYConstraints(142, 119, -1, -1));
    panel1.add(jPasswordField1,      new XYConstraints(88, 72, 147, -1));
    this.getContentPane().add(panel1, BorderLayout.CENTER);
  }

   public boolean showDialog(ConnectInfo transfer)
   {  jTextField1.setText(transfer.username);//设置用户名初值
      jPasswordField1.setText(transfer.password);//设置密码初值
      ok = false;//设置OK的初始值
      show();//显示对话框并得到结果
      if (ok)//满足条件则传递参数
      {  transfer.username = jTextField1.getText();
         transfer.password = new String(jPasswordField1.getPassword());
      }
      return ok;//返回传递参数与否
   }

  void jButton1_actionPerformed(ActionEvent e) {
         ok = true;//传递参数
         setVisible(false);
  }

  void jButton2_actionPerformed(ActionEvent e) {
         setVisible(false);
  }
}