usermanager_dialog.java

library-manage-system(图书管理系统),很好的学习源码。

package library;

import java.awt.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import com.borland.dbswing.*;
import com.borland.dx.sql.dataset.*;
import java.awt.event.*;
import java.util.Date;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class UserManager_Dialog extends JDialog {
  private JPanel panel1 = new JPanel();
  private Database database1 = new Database();
  private QueryDataSet queryDataSet1 = new QueryDataSet();
  private JPasswordField jPasswordField1 = new JPasswordField();
  private JPasswordField jPasswordField2 = new JPasswordField();
  private JLabel jLabel1 = new JLabel();
  private JLabel jLabel2 = new JLabel();
  private JLabel jLabel3 = new JLabel();
  private JTextField jTextField1 = new JTextField();
  private JButton jButton1 = new JButton();
  private JButton jButton2 = new JButton();
  private GridBagLayout gridBagLayout1 = new GridBagLayout();

  public UserManager_Dialog(Frame frame, String title, boolean modal) {
    super(frame, title, modal);
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public UserManager_Dialog() {
    this(null, "", false);
  }
  private void jbInit() throws Exception {
    panel1.setLayout(gridBagLayout1);
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:odbc:lib", "", "", false, "sun.jdbc.odbc.JdbcOdbcDriver"));
    database1.setDatabaseName("");
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from user", null, true, Load.ALL));
    jLabel1.setFont(new java.awt.Font("DialogInput", 0, 12));
    jLabel1.setText("用户名：");
    jLabel2.setText("口  令：");
    jLabel2.setFont(new java.awt.Font("DialogInput", 0, 12));
    jLabel3.setText("确  认：");
    jLabel3.setFont(new java.awt.Font("DialogInput", 0, 12));
    jButton1.setFont(new java.awt.Font("DialogInput", 0, 12));
    jButton1.setText("注册");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    jButton2.setFont(new java.awt.Font("DialogInput", 0, 12));
    jButton2.setText("取消");
    jButton2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton2_actionPerformed(e);
      }
    });
    this.setResizable(false);
    this.setTitle("注册");
    getContentPane().add(panel1);
    panel1.add(jLabel3,  new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(20, 47, 0, 18), 0, 0));
    panel1.add(jLabel1,  new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(56, 47, 0, 21), 0, 0));
    panel1.add(jLabel2,  new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(24, 47, 0, 19), 0, 0));
    panel1.add(jTextField1,    new GridBagConstraints(1, 0, 1, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(56, 3, 0, 71), 114, 0));
    panel1.add(jButton1,  new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(38, 57, 22, 0), 0, 0));
    panel1.add(jButton2,  new GridBagConstraints(1, 3, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(40, 61, 22, 93), 0, 0));
    panel1.add(jPasswordField1,   new GridBagConstraints(1, 1, 1, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(17, 4, 0, 71), 109, 0));
    panel1.add(jPasswordField2,     new GridBagConstraints(1, 2, 1, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(13, 5, 0, 71), 108, 0));
  }

  void jButton1_actionPerformed(ActionEvent e) {
    if(jTextField1.getText().length()==0)
    {
      JOptionPane.showMessageDialog(this,"请输入用户名！","提示",JOptionPane.ERROR_MESSAGE);
      return;
    }

    if(jPasswordField1.getText().length()==0)
    {
      JOptionPane.showMessageDialog(this,"请输入口令！","提示",JOptionPane.ERROR_MESSAGE);
      return;
    }
    if(!jPasswordField1.getText().equalsIgnoreCase(jPasswordField2.getText()))
    {
      JOptionPane.showMessageDialog(this,"您输入的两次口令不一致，请重新输入！","提示",JOptionPane.ERROR_MESSAGE);
      return;
    }
    if(!queryDataSet1.isOpen())
      queryDataSet1.open();


    try{
      queryDataSet1.insertRow(false);
      queryDataSet1.setString("name",jTextField1.getText());
      queryDataSet1.setString("pass",jPasswordField1.getText());
      queryDataSet1.post();
      queryDataSet1.saveChanges();
      queryDataSet1.close();
      JOptionPane.showMessageDialog(this,"注册成功！","提示",JOptionPane.INFORMATION_MESSAGE);
    }catch(Exception ex)
    {
      JOptionPane.showMessageDialog(this,"注册失败！","提示",JOptionPane.ERROR_MESSAGE);
      queryDataSet1.refresh();
      return;
    }
    this.dispose();

  }

  void jButton2_actionPerformed(ActionEvent e) {
    this.dispose();
  }
}