JScrollPane中的java JTable
我在一个JScrollPane
中添加了JTable
,然后将滚动窗格添加到面板中,然后将面板添加到框架中,但它不起作用。下面是代码。我想有一个滚动条上的表或框架,将使表滚动,所以用户可以看到它。我试过很多方法,但都不管用
这是全部代码
public class View extends JFrame {
private static final long serialVersionUID = 1L;
/**
* Launch the application.
*/
//here in the main method i it adds in the JFrame everything
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
View frame = new View();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
public void showData() throws SQLException, ParseException {
panel = new JPanel();
panel_1 = new JPanel();
model_1 = new DefaultTableModel();
model_2 = new DefaultTableModel();
model_1.addColumn("Title");
model_1.addColumn("Priority ");
model_1.addColumn("DeadLine");
model_1.addColumn("Time");
model_1.addColumn("Progress");
model_2.addColumn("Task Title");
model_2.addColumn("Priority ");
model_2.addColumn("DeadLine");
model_2.addColumn("Time");
model_2.addColumn("Done");
Database obj = new Database();
ArrayList<Task> list = obj.getTasks();
for (int i = 0; i < list.size(); i++) {
Task task = list.get(i);
Object[] row = { task.title, task.priority, task.deadine,
task.time, task.progress };
// Comparing Dates
Calendar currentDate = Calendar.getInstance();
SimpleDateFormat formatter = new SimpleDateFormat("MM-d-yyyy");
String dateNow = formatter.format(currentDate.getTime());
java.util.Date systemDate = new SimpleDateFormat("MM-d-yyyy",
Locale.ENGLISH).parse(dateNow);
if (!task.deadine.before(systemDate)) {
// add row to to do tab
model_1.addRow(row);
} else {
// add row to done tab
model_2.addRow(row);
}
// **********************
}
toDoTable = new JTable(model_1);
doneTable = new JTable(model_2);
toDoTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
doneTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
toDoTable.setFillsViewportHeight(true);
doneTable.setFillsViewportHeight(true);
//here i add the JScrollPane and it doesnt work
JScrollPane jpane = new JScrollPane(toDoTable);
JScrollPane jpane1 = new JScrollPane(doneTable);
panel.add(jpane);
panel_1.add(jpane1);
panel.add(jpane);
panel_1.add(jpane1);
}
}
# 1 楼答案
为ex BorderLayout添加具有适当布局的面板
或者您可以使用
javax.swing.Box
# 2 楼答案
如果要在表格内滚动,请执行以下操作:
但是,如果您想将表本身添加到滚动列表中,则将保存表的面板添加到
JScrollPane
并将其添加到框架中输出: