我正在尝试更新我的表格，但它不起作用。在调用它的整个程序完成之前，该表不会显示。我怎样才能改变这个？打开窗口后，我想JTable用数据填充。如果我停止执行代码，表格就会充满数据。我需要一个线程吗？我将如何正确使用一个？我的代码如下。
public class TestGUI extends DefaultTableCellRenderer implements TeststepEventListener {
public JFrame frame;
private JTable testcase_table;
private JTable teststep_table;
/**
* Create the application.
*/
public TestGUI() {
initialize();
frame.setVisible(true);
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
frame = new JFrame();
frame.setBounds(100, 100, 800, 600);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(null);
JProgressBar progressBar = new JProgressBar();
progressBar.setBounds(50, 68, 700, 14);
frame.getContentPane().add(progressBar);
JTextPane txtpnAutomotiveHmi = new JTextPane();
txtpnAutomotiveHmi.setText("Automotive HMI");
txtpnAutomotiveHmi.setBounds(362, 21, 205, 20);
frame.getContentPane().add(txtpnAutomotiveHmi);
testcase_table = new JTable();
testcase_table.setBounds(50, 125, 350, 426);
frame.getContentPane().add(testcase_table);
teststep_table = new JTable();
teststep_table.setBounds(399, 125, 350, 426);
frame.getContentPane().add(teststep_table);
}
private boolean testcase = true;
@Override
public void myEventOccurred(TeststepEvent event) {
TeststepData data = event.data();
if (testcase) {
set_values(data.getDoc(), data.getTestcase());
}
testcase = false;
}
private int i = 0;
LinkedList names = new LinkedList();
private void set_values(Document doc, int testcase) {
frame.setTitle("Wuratbrot" + i);
i++;
Element element = doc.getRootElement();
names.clear();
if (element != null) {
List<Element> testCases = element.getChildren();
//testcase_table.removeAll();
//String[] title = {"Testcases"};
for (Element testCase : testCases) {
names.add(testCase.getAttributeValue("name"));
}
DisplayData(names);
}
testcase_table.revalidate();
frame.validate();
}
private void DisplayData(List<String> Testcases) {
DefaultTableModel aModel = new DefaultTableModel() {
//setting the jtable read only
@Override
public boolean isCellEditable(int row, int column) {
return false;
}
};
//setting the column name
Object[] tableColumnNames = new Object[1];
tableColumnNames[0] = "TestCases";
aModel.setColumnIdentifiers(tableColumnNames);
if (Testcases == null) {
testcase_table.setModel(aModel);
return;
}
Object[] objects = new Object[1];
ListIterator<String> lstrg = Testcases.listIterator();
//populating the tablemodel
while (lstrg.hasNext()) {
String newcus = lstrg.next();
objects[0] = newcus;
aModel.addRow(objects);
}
//binding the jtable to the model
testcase_table.setModel(aModel);
}
}