package uml_gaokai;import java.awt.*;import javax.swing.*;import com.borland.jbcl.layout.*;import com.borland.dx.sql.dataset.*;import java.awt.event.*;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 Scan_Goods 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 Scan_Goods(Frame frame, String title, boolean modal) {    super(frame, title, modal);    try {      jbInit();      pack();    }    catch(Exception ex) {      ex.printStackTrace();    }  }  public Scan_Goods() {    this(null, "", false);  }  private void jbInit() throws Exception {    panel1.setLayout(xYLayout1);    jLabel1.setText("商品名");    jLabel2.setText("商品ID");    jButton1.setText("確定");    jButton1.addActionListener(new java.awt.event.ActionListener() {      public void actionPerformed(ActionEvent e) {        jButton1_actionPerformed(e);      }    });    jButton2.setText("取消");    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:odbc:gaokaiSQL", "sa", "", false, "sun.jdbc.odbc.JdbcOdbcDriver"));    database1.setDatabaseName("");    jTextField2.setToolTipText("");    jTextField2.setText("0");    getContentPane().add(panel1);    panel1.add(jLabel1,   new XYConstraints(55, 34, 89, 27));    panel1.add(jLabel2,   new XYConstraints(53, 83, 96, 30));    panel1.add(jTextField2,   new XYConstraints(162, 83, 121, 32));    panel1.add(jButton1, new XYConstraints(144, 169, 94, 25));    panel1.add(jButton2,   new XYConstraints(258, 169, 95, 25));    panel1.add(jTextField1, new XYConstraints(161, 34, 120, 32));  }  void jButton1_actionPerformed(ActionEvent e) {    String GoodsName = String.valueOf(jTextField1.getText()) ;    int GoodsID = Integer.parseInt(jTextField2.getText()) ;    Statement sql = database1.createStatement() ;    if( GoodsName == null && GoodsID == 0){    JOptionPane.showMessageDialog(null,"請輸入商品名或商品ID號，查詢商品","",JOptionPane.DEFAULT_OPTION);}  }}