swing 消息框 joptionpane

4.消息弹出窗口

import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class MessagePopUps {

  public static void main(String[] a) {
    JFrame parent = new JFrame();

    JOptionPane.showMessageDialog(parent, "Printing complete");
//    JOptionPane.showInternalMessageDialog(parent, "Printing complete");

  }

}

5.确认弹出窗口

import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class ConfirmPopUps {

  public static void main(String[] a) {
    JFrame frame = new JFrame();
    int result = JOptionPane.showConfirmDialog(frame, "Continue printing?");
    // JOptionPane.showInternalConfirmDialog(desktop, "Continue printing?");

    System.out.println(JOptionPane.CANCEL_OPTION == result);
  }

}

6.输入弹出窗口

import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class InputPopUps {

  public static void main(String[] a) {
    JFrame frame = new JFrame();
    Object result = JOptionPane.showInputDialog(frame, "Enter printer name:");

    System.out.println(result);
  }

}

更多敬请访问：
http://www.java2s.com/CN/Tutorial/Java/0240__Swing/0960__JOptionPane-Dialog.htm