JFrame的变量名为jf
JDialog的类名为Fff
btnLoadImage.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
Fff myff = new Fff();
//myff.setModal(false);
myff.setModalityType(ModalityType.APPLICATION_MODAL);
myff.setVisible(true);
//如果是点击确定,则文本框中输入的内容显示出来
String strText;
int iReturn;
iReturn = myff.f_GetCoseType();
if (iReturn == 0) {
lbImage.setText("选择了取消");
}
else
{
strText = myff.f_GetText();
lbImage.setText(strText);
}
}
});
Fff的类
package bb;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTextField;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
/**
* @author 作者 E-mail:
* @version 创建时间:Sep 18, 2017 2:48:29 PM
* 类说明
*/
public class Fff extends JDialog {
private final JPanel contentPanel = new JPanel();
private JTextField textOut;
private int iCloseType; //点击确定,该值为1,点击取消,该值为0
/**
* Launch the application.
*/
public static void main(String[] args) {
try {
Fff dialog = new Fff();
dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
dialog.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Create the dialog.
*/
public Fff() {
iCloseType = 0 ; //默认是点击取消按钮
setBounds(100, 100, 450, 300);
getContentPane().setLayout(new BorderLayout());
contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
getContentPane().add(contentPanel, BorderLayout.CENTER);
contentPanel.setLayout(new BorderLayout(0, 0));
{
JPanel panel = new JPanel();
contentPanel.add(panel);
panel.setLayout(new BorderLayout(0, 0));
{
textOut = new JTextField();
panel.add(textOut, BorderLayout.NORTH);
textOut.setColumns(10);
}
}
{
JPanel buttonPane = new JPanel();
buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
getContentPane().add(buttonPane, BorderLayout.SOUTH);
{
JButton okButton = new JButton("OK");
okButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
//检查用户是否输入了内容
if(f_chkInput()) {
iCloseType = 1; //点击了确定性按钮
dispose();
}
}
});
okButton.setActionCommand("OK");
buttonPane.add(okButton);
getRootPane().setDefaultButton(okButton);
}
{
JButton cancelButton = new JButton("Cancel");
cancelButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
iCloseType = 0; //点击了取消按钮
dispose();
}
});
cancelButton.setActionCommand("Cancel");
buttonPane.add(cancelButton);
}
}
}
//检查用户是否输入了文本
public boolean f_chkInput() {
String strText;
boolean bRet;
strText = textOut.getText();
if ( strText.length()==0 || strText==null) {
JOptionPane jMsg = new JOptionPane();
jMsg.showMessageDialog(null, "请输入内容");
bRet = false;
}
else
{
bRet = true;
}
return bRet;
}
public int f_GetCoseType() {
return iCloseType;
}
public String f_GetText() {
String strOut;
strOut = textOut.getText();
return strOut;
}
}