这是我下面的代码。我创建了一个 4 列 3 行的 Jtable。
并添加表模型侦听器，在表更改侦听器中，当我在特定列中设置值时，堆栈溢出错误即将到来。
**error is Exception in thread "AWT-EventQueue-0" java.lang.StackOverflowError
at java.nio.Buffer.<init>(Buffer.java:189)
at java.nio.CharBuffer.<init>(CharBuffer.java:276)
at java.nio.HeapCharBuffer.<init>(HeapCharBuffer.java:70)
at java.nio.CharBuffer.wrap(CharBuffer.java:369)
at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:265)**
code is:
封装测试；
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
public class TableModelListenerDemo {
public static void main(String args[]) {
final Object rowData[][] = {{"1", "one", "I",null}, {"2", "two", "II",null}, {"3", "three", "III",null}};
final String columnNames[] = {"#", "English", "Roman", "Test"};
final JTable table = new JTable(rowData, columnNames);
JScrollPane scrollPane = new JScrollPane(table);
table.getModel().addTableModelListener(new TableModelListener() {
@Override
public void tableChanged(TableModelEvent e) {
try {
System.out.println(e);
int row = table.getSelectedRow();
Object QTY = table.getValueAt(row, 0);
Object UPrice = table.getValueAt(row, 1);
Object Three = table.getValueAt(row, 2);
table.setValueAt(Three, row, 3);
}catch(Exception ex){
}
}
});
table.setValueAt("", 0, 0);
JFrame frame = new JFrame("Resizing Table");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(scrollPane, BorderLayout.CENTER);
frame.setSize(300, 150);
frame.setVisible(true);
}
}
