代码附上public class T2 extends JFrame {
JTextField tField,t2,t3; public T2() {
super("T");
tField = new JTextField(10);
t2 = new JTextField(10);
setSize(760, 670);
setLayout(new GridLayout(3,1));
JPanel t = new JPanel();
t.setLayout(new GridLayout(1,1));
t.add(tField);
add(t);
add(t2);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setVisible(true);
} public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable(){
public void run(){
new T2();
}
});
}
}
JTextField tField,t2,t3; public T2() {
super("T");
tField = new JTextField(10);
t2 = new JTextField(10);
setSize(760, 670);
setLayout(new GridLayout(3,1));
JPanel t = new JPanel();
t.setLayout(new GridLayout(1,1));
t.add(tField);
add(t);
add(t2);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setVisible(true);
} public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable(){
public void run(){
new T2();
}
});
}
}
解决方案 »
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import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;public class TableTest1 extends JPanel {
JTable table;
Object a[][];
Object name[] = {"商品名称", "单价", "售价", "销售额"}; TableTest1() {
a = new Object[4][4];
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
a[i][j] = "0"; table = new JTable(a, name);
table.setRowHeight(20);
add(new JScrollPane(table), BorderLayout.CENTER);
setVisible(true);
add(new JButton("this"), BorderLayout.SOUTH);
validate();
} public static void main(String[] args) {
JFrame f = new JFrame();
f.add(new TableTest1());
f.setVisible(true);
f.setSize(800, 600);
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}
}
import java.awt.event.*;
import java.beans.*;
import javax.swing.*;public class Test {
public static void main(final String[] args) {
SwingUtilities.invokeLater(new Runnable(){
public void run(){
JFrame frame = new JFrame("Test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel contentPane = (JPanel) (frame.getContentPane());
final JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,true, new JScrollPane(new JTree()),new JScrollPane(new JTree()));
contentPane.add(splitPane);
/*
SwingUtilities.invokeLater(new Runnable(){
public void run(){
splitPane.setDividerLocation(0.33);
}
});
*/
splitPane.addPropertyChangeListener(JSplitPane.DIVIDER_LOCATION_PROPERTY,new PropertyChangeListener(){
public void propertyChange(PropertyChangeEvent e){
splitPane.setDividerLocation(0.33);
}
});
frame.addWindowListener(new WindowAdapter(){
public void windowOpened(WindowEvent e) {
splitPane.setDividerLocation(0.33);
}
}); frame.addComponentListener(new ComponentAdapter(){
public void componentResized(ComponentEvent e) {
splitPane.setDividerLocation(0.33);
}
});
frame.pack();
frame.setVisible(true);
}
});
}
}
我现在的情况是
public class InitWin extends JFrame {
InitWin() {
pane.add(new Maintenance());
}
}
splitPane是放在Maintenance这个类中的.
addWindowListener和addComponentListener要怎么样访问splitPane来设置呢?
AWT组件和Swing基本上都是从Component继承来的,都可以激发 ComponentEvent