点一个button,出现一个弹出窗口,可以输入一个值,回添给原来窗口? 点一个button,出现一个弹出窗口,弹出窗口上有一个,text可以输入一个值,添完后关闭,可以把添的值回添给原来窗口的一个text?谢谢!想vb的inbox? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 JDIALOG MODEL为TRUE,然后更新另个框的值 import java.awt.FlowLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;import javax.swing.JButton;import javax.swing.JDialog;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JTextField;public class ReturnValue implements ActionListener{ private JFrame f; private JPanel p; private JButton btn; private JTextField txt; public ReturnValue(){ f = new JFrame(); p = new JPanel(new FlowLayout()); btn = new JButton("Open"); txt = new JTextField(50); p.setSize(100,20); p.add(btn); p.add(txt); btn.addActionListener(this); f.add(p); f.setDefaultCloseOperation(f.EXIT_ON_CLOSE); f.pack(); f.setVisible(true); } public static void main(String[] args){ new ReturnValue(); } public void actionPerformed(ActionEvent arg0) { JDialog dlg = new JDialog(f,true); final JTextField txt1 = new JTextField(20); dlg.add(txt1); dlg.addWindowListener(new WindowListener() { public void windowOpened(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowIconified(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowDeiconified(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowDeactivated(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowClosing(WindowEvent arg0) { // TODO Auto-generated method stub txt.setText(txt1.getText()); } public void windowClosed(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowActivated(WindowEvent arg0) { // TODO Auto-generated method stub } }); dlg.pack(); dlg.setVisible(true); }} I want to be a 架构师 Eclipse写代码的小问题 jni调用如果出异常,是当前运行线程崩溃呢,还是整个jvm崩溃 值类型 与 引用类型 是如果使用内存的? java 自定义类运行报错 将java翻译成c#.net 使用dom4j读取xml的问题 请教一个错误:Exception in thread "main" java.lang.NoClassDefFoundError: ec/Evolve 菜鸟问题 关于message提示框的问题!! 跪求Java日文式样!(半个月左右能做完的实习项目!!) 从oracle数据库中读取数据后,乱码问题
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;public class ReturnValue implements ActionListener{
private JFrame f;
private JPanel p;
private JButton btn;
private JTextField txt;
public ReturnValue(){
f = new JFrame();
p = new JPanel(new FlowLayout());
btn = new JButton("Open");
txt = new JTextField(50);
p.setSize(100,20);
p.add(btn);
p.add(txt);
btn.addActionListener(this);
f.add(p);
f.setDefaultCloseOperation(f.EXIT_ON_CLOSE);
f.pack();
f.setVisible(true);
}
public static void main(String[] args){
new ReturnValue();
}
public void actionPerformed(ActionEvent arg0) {
JDialog dlg = new JDialog(f,true);
final JTextField txt1 = new JTextField(20);
dlg.add(txt1);
dlg.addWindowListener(new WindowListener() {
public void windowOpened(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowIconified(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowDeiconified(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowDeactivated(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowClosing(WindowEvent arg0) {
// TODO Auto-generated method stub
txt.setText(txt1.getText());
}
public void windowClosed(WindowEvent arg0) {
// TODO Auto-generated method stub
} public void windowActivated(WindowEvent arg0) {
// TODO Auto-generated method stub
}
}); dlg.pack();
dlg.setVisible(true);
}
}