package uml_gaokai;import java.awt.*;import javax.swing.*;import com.borland.jbcl.layout.*;import java.awt.event.*;import com.borland.dx.sql.dataset.*;import java.sql.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2003</p> * <p>Company: </p> * @author unascribed * @version 1.0 */public class DeleteUser extends JDialog {  private JPanel panel1 = new JPanel();  private XYLayout xYLayout1 = new XYLayout();  private JLabel jLabel1 = new JLabel();  private JLabel jLabel2 = new JLabel();  private JTextField jTextField1 = new JTextField();  private JTextField jTextField2 = new JTextField();  private JButton jButton1 = new JButton();  private JButton jButton2 = new JButton();  private Database database1 = new Database();  public DeleteUser(Frame frame, String title, boolean modal) {    super(frame, title, modal);    try {      jbInit();      pack();    }    catch(Exception ex) {      ex.printStackTrace();    }  }  public DeleteUser() {    this(null, "", false);  }  private void jbInit() throws Exception {    panel1.setLayout(xYLayout1);    jLabel1.setText("用戶名");    jLabel2.setText("類別");    jButton1.setText("確定");    jButton1.addActionListener(new java.awt.event.ActionListener() {      public void actionPerformed(ActionEvent e) {        jButton1_actionPerformed(e);      }    });    jButton2.setText("取消");    jButton2.addActionListener(new java.awt.event.ActionListener() {      public void actionPerformed(ActionEvent e) {        jButton2_actionPerformed(e);      }    });    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:odbc:gaokaiSQL", "sa", "", false, "sun.jdbc.odbc.JdbcOdbcDriver"));    getContentPane().add(panel1);    panel1.add(jLabel1,  new XYConstraints(58, 44, 78, 25));    panel1.add(jLabel2,  new XYConstraints(59, 92, 84, 27));    panel1.add(jTextField1,  new XYConstraints(153, 44, 109, 27));    panel1.add(jTextField2,  new XYConstraints(153, 93, 112, 29));    panel1.add(jButton1,  new XYConstraints(151, 202, 82, 28));    panel1.add(jButton2,       new XYConstraints(256, 203, 83, 27));  }  public void cancel(){    dispose() ;  }  void jButton2_actionPerformed(ActionEvent e) {    cancel();  }  void jButton1_actionPerformed(ActionEvent e) {    String userName = String.valueOf(jTextField1.getText()) ;    String userAuthority = String.valueOf(jTextField2.getText()) ;    int response = JOptionPane.showConfirmDialog(null,"請(qǐng)問是否刪除該用戶","",JOptionPane.YES_NO_CANCEL_OPTION) ;    if(response == 0){      try{      Statement sql = database1.createStatement() ;      sql.executeUpdate("DELETE FROM [UML_CS].[dbo].[user] WHERE userName = '"+userName+"' and userAuthority = '"+userAuthority+"'") ;      }      catch(SQLException www){www.printStackTrace();}    }  }}