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My JTable有一列有用于维护状态的JCheckBox。当我没有实现TableModelListener并运行该程序时，数据将显示在JTable中。但是当我使用TableModelListener执行代码时出现错误。 java.lang.ArrayIndexOutOfBoundsException：-1使用TableModelListener从JTable中的数据库检索数据到JTable中时出错
package com.tag.pointOfsale;
import java.text.SimpleDateFormat;
import java.util.Locale;
import javax.swing.JOptionPane;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.TableModel;
public class Return_Goods extends javax.swing.JDialog {
PointSaleDao posDao = new PointSaleDao();
public Return_Goods(java.awt.Frame parent, boolean modal) {
super(parent, modal);
initComponents();
jTable1.getModel().addTableModelListener(new TableModelListener() {
@Override
public void tableChanged(TableModelEvent e) {
int row = e.getFirstRow();
int column = e.getColumn();
String sno = jTable1.getValueAt(jTable1.getSelectedRow(), 0).toString();
String code = jTable1.getValueAt(jTable1.getSelectedRow(), 1).toString();
String pro_name = jTable1.getValueAt(jTable1.getSelectedRow(), 2).toString();
String batch = jTable1.getValueAt(jTable1.getSelectedRow(), 3).toString();
String exp_date = jTable1.getValueAt(jTable1.getSelectedRow(), 4).toString();
String qty = jTable1.getValueAt(jTable1.getSelectedRow(), 5).toString();
String price = jTable1.getValueAt(jTable1.getSelectedRow(), 6).toString();
String total = jTable1.getValueAt(jTable1.getSelectedRow(), 7).toString();
String r_pro = jTable1.getValueAt(jTable1.getSelectedRow(), 8).toString();
if (column == 9) {
TableModel model = (TableModel) e.getSource();
String columnName = model.getColumnName(column);
Boolean checked = (Boolean) model.getValueAt(row, column);
if (checked) {
System.out.println(sno + "\t" + code + "\t" + pro_name + "\t" + true);
} else {
System.out.println(sno + "\t" + code + "\t" + pro_name + "\t" + false);
}
}
}
});
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
txtInvoice = new javax.swing.JTextField();
jLabel2 = new javax.swing.JLabel();
txtPurchaseDate = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
txtPayment = new javax.swing.JTextField();
jLabel4 = new javax.swing.JLabel();
txtSalesman = new javax.swing.JTextField();
jLabel5 = new javax.swing.JLabel();
txtCustomer = new javax.swing.JTextField();
jPanel1 = new javax.swing.JPanel();
jScrollPane1 = new javax.swing.JScrollPane();
jTable1 = new javax.swing.JTable();
btnReturn = new javax.swing.JButton();
jLabel6 = new javax.swing.JLabel();
txtReturn = new javax.swing.JTextField();
jLabel7 = new javax.swing.JLabel();
jScrollPane2 = new javax.swing.JScrollPane();
txtDescription = new javax.swing.JTextArea();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("Return Goods");
jLabel1.setText("Invoice No.");
txtInvoice.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusLost(java.awt.event.FocusEvent evt) {
txtInvoiceFocusLost(evt);
}
});
jLabel2.setText("Purchase Date : ");
jLabel3.setText("Payment Method : ");
jLabel4.setText("Salesman : ");
jLabel5.setText("Customer Name : ");
jTable1.setFont(new java.awt.Font("Arial", 0, 14)); // NOI18N
jTable1.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
},
new String [] {
"S no.", "Code", "Name", "Batch No.", "Expiry Date", "Quantity", "Price", "Total Cost", "Return Qty", "Status"
}
) {
Class[] types = new Class [] {
java.lang.Object.class, java.lang.Object.class, java.lang.Object.class, java.lang.Object.class, java.lang.Object.class, java.lang.Object.class, java.lang.Object.class, java.lang.Object.class, java.lang.Object.class, java.lang.Boolean.class
};
boolean[] canEdit = new boolean [] {
false, false, false, false, false, false, false, false, true, false
};
public Class getColumnClass(int columnIndex) {
return types [columnIndex];
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return canEdit [columnIndex];
}
});
jTable1.setRowHeight(22);
jScrollPane1.setViewportView(jTable1);
if (jTable1.getColumnModel().getColumnCount() > 0) {
jTable1.getColumnModel().getColumn(0).setPreferredWidth(15);
jTable1.getColumnModel().getColumn(5).setPreferredWidth(30);
jTable1.getColumnModel().getColumn(6).setPreferredWidth(30);
jTable1.getColumnModel().getColumn(7).setPreferredWidth(40);
jTable1.getColumnModel().getColumn(8).setPreferredWidth(40);
jTable1.getColumnModel().getColumn(9).setPreferredWidth(15);
}
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1)
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 289, javax.swing.GroupLayout.PREFERRED_SIZE))
);
btnReturn.setText("Return");
btnReturn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnReturnActionPerformed(evt);
}
});
jLabel6.setText("Returned On : ");
jLabel7.setText("Description : ");
txtDescription.setColumns(20);
txtDescription.setRows(3);
jScrollPane2.setViewportView(txtDescription);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(btnReturn))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jLabel2)
.addComponent(jLabel7))
.addGap(33, 33, 33)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(txtInvoice)
.addComponent(txtPurchaseDate, javax.swing.GroupLayout.PREFERRED_SIZE, 126, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(27, 27, 27)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtPayment, javax.swing.GroupLayout.PREFERRED_SIZE, 125, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(35, 35, 35)
.addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE, 103, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(txtSalesman, javax.swing.GroupLayout.PREFERRED_SIZE, 126, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel5)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(txtCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 126, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jLabel6)
.addGap(36, 36, 36)
.addComponent(txtReturn, javax.swing.GroupLayout.PREFERRED_SIZE, 126, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addGroup(layout.createSequentialGroup()
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 244, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0, 0, Short.MAX_VALUE)))))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(txtInvoice, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(txtCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel6)
.addComponent(txtReturn, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(txtPurchaseDate, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3)
.addComponent(txtPayment, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel4)
.addComponent(txtSalesman, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel7)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 65, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 11, Short.MAX_VALUE)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(btnReturn)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void txtInvoiceFocusLost(java.awt.event.FocusEvent evt) {
String invoice = txtInvoice.getText();
posDao.returnProduct(invoice);
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Return_Goods.class
.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Return_Goods.class
.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Return_Goods.class
.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Return_Goods.class
.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the dialog */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
Return_Goods dialog = new Return_Goods(new javax.swing.JFrame(), true);
dialog.addWindowListener(new java.awt.event.WindowAdapter() {
@Override
public void windowClosing(java.awt.event.WindowEvent e) {
System.exit(0);
}
});
dialog.setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton btnReturn;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel7;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;
public static javax.swing.JTable jTable1;
public static javax.swing.JTextField txtCustomer;
private javax.swing.JTextArea txtDescription;
private javax.swing.JTextField txtInvoice;
public static javax.swing.JTextField txtPayment;
public static javax.swing.JTextField txtPurchaseDate;
private javax.swing.JTextField txtReturn;
public static javax.swing.JTextField txtSalesman;
// End of variables declaration
}
加入TableModelListener后，我得到exception.java.lang.ArrayIndexOutOfBoundsException：-1
可能的重复[什么导致java.lang.ArrayIndexOutOfBoundsException，我该如何防止它？]（http://stackoverflow.com/questions/5554734/what-causes-a-java-lang-arrayindexoutofboundsexception-and-我怎么做，我 - 防止它） – callyalater