jdialogtest.java

详细讲解了java的基础知识

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;

public class JDialogTest extends JApplet{
 
  JPanel jPanel1= new JPanel();
  JPanel jPanel2 = new JPanel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  GridLayout gridLayout1 = new GridLayout();
  JFrame jframe1=new JFrame();		
  JDialog jdialog1 = new JDialog(jframe1, "JDialog示范一", true); 	
  JButton 		okButton = new JButton("确定"),
			applyButton = new JButton("应用"),
			cancelButton = new JButton("取消");

  JButton[] diaButtons = new  JButton[] {
		okButton, applyButton, cancelButton,
	};
   JDialog jdialog2 = new JDialog(jframe1, "JDialog示范二", false); 


  //初始化
  public void init() {
    try  {
      myInit();
    }
    catch(Exception e)  {   //异常处理
      e.printStackTrace();
    }
  }

  //组件初始设定
  private void myInit() throws Exception {
	

    this.setSize(new Dimension(300, 150));
    this.getContentPane ().setLayout(new BorderLayout(5,5));
   
 
    jButton1.setText("JDialog示范一");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    jButton2.setText("JDialog示范二");
   jButton2.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(ActionEvent e) {
        jButton2_actionPerformed(e);
      }
    });
    jPanel2.setLayout(gridLayout1);
    gridLayout1.setColumns(1);
    gridLayout1.setHgap(5);
    gridLayout1.setRows(2);
    gridLayout1.setVgap(5);
    this.getContentPane().add(jPanel2, BorderLayout.CENTER);
    jPanel2.add(jButton1, null);
    jPanel2.add(jButton2, null);
    	
	for(int i=0; i < diaButtons.length; ++i) {
			jPanel1.add(diaButtons[i]);
		
		}
	jdialog1.setSize(150,100);
	jdialog2.getContentPane().add(jPanel1);
    
  }

 
 	void jButton1_actionPerformed(ActionEvent e) {  			
			jdialog1.setVisible(true);    
  	}
		
		void jButton2_actionPerformed(ActionEvent e) {
  	  		jdialog2.pack();//将对话框大小压成组件所占的偏好大小
			jdialog2.setVisible(true);
    
  		}
  
}