http://blog.sina.com.cn/s/blog_4a45ab3b0100orv4.html
转载▼
标签: jdialogit |
分类: Java |
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class exp extends JFrame implements ActionListener
{
int row = 6, col = 30;
JPanel p1 = new JPanel(),p2 = new JPanel();
JTextArea ta = new JTextArea("文本区行数:" + row + " 列数:" + col, row, col);
JButton exit = new JButton("退出"),dialog = new JButton("对话框");
exp()
{
setTitle("对话框父窗口");
Container c = getContentPane();
setSize(350,200);
c.add("Center",p1);
c.add("South",p2);
p1.add(ta);
p2.add(exit); p2.add(dialog);
exit.addActionListener(this);
dialog.addActionListener(this);
setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
if (e.getSource()==exit)
System.exit(0);
else
{
MyDialog dlg = new MyDialog(this,true);
dlg.show();
}
}
public static void main(String[] args)
{
new exp();
}
class MyDialog extends Dialog implements ActionListener
{
JLabel label1 = new JLabel("请输入行数");
JLabel label2 = new JLabel("请输入列数");
JTextField rows = new JTextField(50);
JTextField columns = new JTextField(50);
JButton ok = new JButton("确定");
JButton cancel = new JButton("取消");
MyDialog(exp parent, boolean modal)
{
super(parent,modal);
setTitle("自定义对话框");
setSize(260,140);
setResizable(false);
setLayout(null);
add(label1);
add(label2);
label1.setBounds(50, 30, 65, 20);
label2.setBounds(50, 60, 65, 20);
add(rows);
add(columns);
rows.setText(Integer.toString(ta.getRows()));
columns.setText(Integer.toString(ta.getColumns()));
rows.setBounds(120, 30, 90, 20);
columns.setBounds(120, 60, 90, 20);
add(ok);
add(cancel);
ok.setBounds(60, 100, 60, 25);
cancel.setBounds(140, 100, 60, 25);
ok.addActionListener(this);
cancel.addActionListener(this);
}
public void actionPerformed(ActionEvent e)
{
if (e.getSource()==ok)
{
int row = Integer.parseInt(rows.getText());
int col = Integer.parseInt(columns.getText());
ta.setRows(row);
ta.setColumns(col);
ta.setText("文本区行数:" + row + " 列数:" + col);
}
dispose();
}
}
}
运行结果: