Java 如何获取JTable以保存输入的数据?
正如标题所说,我有一个JTable,但我不知道如何获取输入其中的数据以进行保存。这里是我的代码,如果这将有助于我只是要包括所有的代码从这个类,所以你可以尝试一下Java 如何获取JTable以保存输入的数据?,java,swing,serialization,jtable,Java,Swing,Serialization,Jtable,正如标题所说,我有一个JTable,但我不知道如何获取输入其中的数据以进行保存。这里是我的代码,如果这将有助于我只是要包括所有的代码从这个类,所以你可以尝试一下 package views; import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.JTable; impor
package views;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.JScrollPane;
import javax.swing.JLabel;
import javax.swing.ImageIcon;
import javax.swing.JButton;
@SuppressWarnings("serial")
public class AddItems extends JFrame {
private JPanel contentPane;
private JTable table;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
AddItems frame = new AddItems();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public AddItems() {
setTitle("Easy Inventory");
setResizable(false);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setBounds(100, 100, 1024, 576);
setLocationRelativeTo(null);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(20, 99, 967, 352);
JLabel lblNewLabel = new JLabel("");
lblNewLabel.setBounds(163, 11, 727, 83);
lblNewLabel.setIcon(new ImageIcon(AddItems.class.getResource("/views/itme entry.png")));
table = new JTable();
table.setModel(new DefaultTableModel(
new Object[][] {
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
{null, null, null, null, null},
},
new String[] {
"Item #", "Item Name", "Quantity", "Price/each", "Price Total"
}
) {
@SuppressWarnings("rawtypes")
Class[] columnTypes = new Class[] {
Long.class, String.class, Long.class, Object.class, Object.class
};
@SuppressWarnings({ "unchecked", "rawtypes" })
public Class getColumnClass(int columnIndex) {
return columnTypes[columnIndex];
}
});
table.getColumnModel().getColumn(0).setResizable(false);
table.getColumnModel().getColumn(1).setResizable(false);
table.getColumnModel().getColumn(2).setResizable(false);
table.getColumnModel().getColumn(3).setResizable(false);
table.getColumnModel().getColumn(4).setResizable(false);
table.setCellSelectionEnabled(true);
scrollPane.setViewportView(table);
contentPane.setLayout(null);
contentPane.add(lblNewLabel);
contentPane.add(scrollPane);
JButton button_1 = new JButton("");
button_1.setIcon(new
ImageIcon(AddItems.class.getResource("/views/Add.png")));
button_1.setBounds(285, 478, 172, 49);
contentPane.add(button_1);
JButton button = new JButton("");
button.setIcon(new
ImageIcon(AddItems.class.getResource("/views/Update.png")));
button.setBounds(538, 478, 172, 49);
contentPane.add(button);
}
}
我强烈建议您从和的JavaDocs开始 这个基本的想法是这样的
JTable table = ...;
TableModel model = table.getModel();
for (int row = 0; row < model.getRowCount(); row++) {
for (int col = 0; col < model.getColumnCount(); col++) {
Object value = model.getValueAt(row, col);
}
}
JTable表=。。。;
TableModel模型=table.getModel();
对于(int row=0;row
数据将保存到表格模型中
-您只需使用getRowCount
,getColumnCount
和getValueAt
{null,null,null,null},/**100行以后..**/{null,null,null,null,null},
Tip:如果你想知道如何处理N个项目,从两个开始,而不是100个!