怎么把JDialog子窗体的数据传递给主程序父窗体
我在主窗体弹出一个JDialog子窗体,然后子窗体把一些参数传递给父窗体,到底怎么传递呢?父传递子己弄好了,就差这个了...
我百度了好久很少有关于JAVA父子窗体传递值的资料,希望高手指教.谢谢.
[解决办法]
参数是在父窗口定义好的
比如父类：
public void setMap(Map map){
...
}
你在子窗口调用父窗口的setMap方法，就把你的参数包成map给父窗口了
[解决办法]
我以前写过一个（JDialog）对话框实现数据交换。实现的就是子窗口向父窗口传递数据。
lz看下有没有用
http://blog.csdn.net/chosen0ne/archive/2009/08/23/4476046.aspx
[解决办法]
package testGUI;import java.awt.BorderLayout;import java.awt.Dimension;import java.awt.Point;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JDialog;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JTextField;public class TestParent extends JFrame implements ActionListener { private static final long serialVersionUID = 2793297815624831929L; public String getLabelValue() { return labelValue; } public void setLabelValue(String labelValue) { this.labelValue = labelValue; } private String labelValue = null; private JLabel label = null; private JButton btn = null; public TestParent() { init(); } private void init() { this.getContentPane().setLayout(new BorderLayout()); this.getContentPane().add(getCenterPanel(), BorderLayout.CENTER); this.getContentPane().add(getSouthPanel(), BorderLayout.SOUTH); this.setSize(new Dimension(200, 200)); this.setLocation(new Point(200,200)); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setVisible(true); } private JPanel getSouthPanel() { JPanel panel = new JPanel(); label = new JLabel(); panel.add(label); return panel; } private JPanel getCenterPanel() { JPanel panel = new JPanel(); btn = new JButton("ChildDialog"); btn.addActionListener(this); panel.add(btn); return panel; } public void actionPerformed(ActionEvent e) { if (e.getSource().equals(btn)) { new ChildDialog(TestParent.this, true); label.setText(getLabelValue()); } } /** * @param args */ public static void main(String[] args) { new TestParent(); }}class ChildDialog extends JDialog implements ActionListener { private static final long serialVersionUID = -7633528897837030539L; private JTextField text = null; private JButton btn = null; private TestParent parent = null; public ChildDialog(TestParent _parent, boolean _modal) { super(_parent, _modal); this.parent = _parent; init(); } private void init() { this.getContentPane().setLayout(new BorderLayout()); this.getContentPane().add(getCenterPanel(), BorderLayout.CENTER); this.getContentPane().add(getSouthPanel(), BorderLayout.SOUTH); this.setSize(new Dimension(100, 100)); this.setLocation(new Point(100,100)); this.setVisible(true); } private JPanel getCenterPanel() { JPanel panel = new JPanel(); text = new JTextField(5); panel.add(text); return panel; } private JPanel getSouthPanel() { JPanel panel = new JPanel(); btn = new JButton("OK"); btn.addActionListener(this); panel.add(btn); return panel; } public void actionPerformed(ActionEvent e) { if (e.getSource().equals(btn)) { parent.setLabelValue(text.getText()); onExit(); } } private void onExit() { this.dispose(); }}