如何把APPLICAITON改写成APPLET

jjwyy 2008-06-08 02:26:09
小弟刚刚学JAVA不久

自己编了一段程序 想改成APPLET

却总失败

哪位大大能帮忙改下这段APPLICAITON

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

public class MainBomb extends JFrame
{
private JButton keyButton[]=new JButton[9];

int b=0;int c=0;

public MainBomb()
{

Listener nListener = new Listener();
Listener2 bListener = new Listener2();


Container container = getContentPane();
container.setLayout(new BorderLayout());
JPanel p1=new JPanel();
p1.setLayout(new GridLayout(3,3));
int k= (int)(Math.random()*9);//set the Button and Bomb

for(int i=0;i<=8;i++)
{
keyButton[i]=new JButton();
p1.add(keyButton[i]);
keyButton[i].setBackground(Color.gray);
if(i==k)
{
keyButton[k].addActionListener(bListener);
}
else
{
keyButton[i].addActionListener(nListener);
}

}



container.add(p1,BorderLayout.CENTER);
}




public static void main(String[] args)
{
String strLine = System.getProperty("line.separator");
JOptionPane.showMessageDialog(null,"Welcome to Mini-MineSweeper"+ strLine +
"The object of the game is click on all" + strLine +
"the squares EXCEPT the one with the bomb." + strLine +
"(There is only one bomb).To choose a square" + strLine +
"To display please simply click on the square.",
"Message",JOptionPane.INFORMATION_MESSAGE);


MainBomb frame = new MainBomb ();//set the main frame
frame.setTitle("Boom!");
frame.setSize(400,200);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);


Dimension screenSize=
Toolkit.getDefaultToolkit().getScreenSize(); //let the frame be center
int screenWidth = screenSize.width;
int screenHight = screenSize.height;

int x=(screenWidth - frame.getWidth())/2;
int y=(screenHight - frame.getHeight())/2;

frame.setLocation(x,y);



}



private class Listener implements ActionListener//the win listener
{
public void actionPerformed(ActionEvent e)
{
JButton n = (JButton)e.getSource();
n.setBackground(Color.white);
c++;
if (c==8){
face2 a2= new face2();//set the happy face

a2.setTitle("Boom!");
a2.setSize(400,200);
a2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
a2.setVisible(true);


Dimension screenSize2=
Toolkit.getDefaultToolkit().getScreenSize();
int screenWidth2 = screenSize2.width;
int screenHight2 = screenSize2.height;

int x2=(screenWidth2 - a2.getWidth())/2;
int y2=(screenHight2 - a2.getHeight())/2;

a2.setLocation(x2,y2);
setVisible(false);

int chose1 = JOptionPane.showConfirmDialog (null,"Congratulations!You win!"+
"Would you like to play again?","Message",JOptionPane.YES_NO_OPTION);// the yes or no choose

if (chose1==JOptionPane.YES_OPTION)
{
a2.setVisible(false);
c=0;
MainBomb frame = new MainBomb ();//the game starts again

frame.setTitle("Boom!");
frame.setSize(400,200);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
Dimension screenSize=
Toolkit.getDefaultToolkit().getScreenSize();
int screenWidth = screenSize.width;
int screenHight = screenSize.height;

int x=(screenWidth - frame.getWidth())/2;
int y=(screenHight - frame.getHeight())/2;

frame.setLocation(x,y);

}
else
System.exit(0); }
}
}

private class Listener2 implements ActionListener//the lose listener
{
public void actionPerformed(ActionEvent e)
{
JButton n = (JButton)e.getSource();
n.setBackground(Color.black);
b++;
if (b==1&&c!=8){
face a1= new face();//set the sad face

a1.setTitle("Boom!");
a1.setSize(400,200);
a1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
a1.setVisible(true);


Dimension screenSize1=
Toolkit.getDefaultToolkit().getScreenSize();
int screenWidth1 = screenSize1.width;
int screenHight1= screenSize1.height;

int x1=(screenWidth1 - a1.getWidth())/2;
int y1=(screenHight1 - a1.getHeight())/2;

a1.setLocation(x1,y1);



int chose = JOptionPane.showConfirmDialog (null,"BOOooM!!!"+
"Would you like to play again?","Message",JOptionPane.YES_NO_OPTION);
setVisible(false);

if (chose==JOptionPane.YES_OPTION)
{
a1.setVisible(false);

c=0;

MainBomb frame = new MainBomb ();

frame.setTitle("Boom!");
frame.setSize(400,200);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
Dimension screenSize=
Toolkit.getDefaultToolkit().getScreenSize();
int screenWidth = screenSize.width;
int screenHight= screenSize.height;

int x=(screenWidth - frame.getWidth())/2;
int y=(screenHight - frame.getHeight())/2;

frame.setLocation(x,y);



}
else
System.exit(0); }
}


}


class face extends JFrame//draw the happy face
{
public face()
{

getContentPane().add(new Ovals());

}
class Ovals extends JPanel
{
public void paintComponent(Graphics g)
{
super.paintComponent(g);
g.setColor(Color.black);
g.fillRect(0, 0, 400, 200);
g.setColor(Color.red);
g.fillOval(120,10,30,30);
g.fillOval(230,10,30,30);
g.drawArc(110,100,160, 100, 0, 180);
}

}
}

class face2 extends JFrame//draw the sad face
{
public face2()
{

getContentPane().add(new Ovals2());

}
class Ovals2 extends JPanel
{
public void paintComponent(Graphics g)
{
super.paintComponent(g);
g.setColor(Color.black);
g.fillRect(0, 0, 400, 200);
g.setColor(Color.red);
g.fillOval(120,10,30,30);
g.fillOval(230,10,30,30);
g.drawArc(110,50,160, 100, 180, 180);
}

}
}
}

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sagezk 2008-06-08
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可以使用自己的 java.awt.Canvas 组件显示笑脸，如下：

/*

 * FileName: MyFace.java

 * Author:   SageZk

 * Date:     2008-06-08

 */



import java.awt.Canvas;

import java.awt.Color;

import java.awt.Graphics;



public class MyFace extends Canvas {



	public static final int FACE_HAPPY = 1;

	public static final int FACE_SAD = 2;



	private int facestyle = FACE_HAPPY;



	public MyFace(int face) {

		if (face == FACE_HAPPY || face == FACE_SAD) this.facestyle = face;

	}



	public void paint(Graphics g) {

		super.paint(g);

		switch (this.facestyle) {

		case FACE_HAPPY:

			g.setColor(Color.black);

			g.fillRect(0, 0, 400, 200);

			g.setColor(Color.red);

			g.fillOval(120, 10, 30, 30);

			g.fillOval(230, 10, 30, 30);

			g.drawArc(110, 100, 160, 100, 0, 180);

			break;

		case FACE_SAD:

			g.setColor(Color.black);

			g.fillRect(0, 0, 400, 200);

			g.setColor(Color.red);

			g.fillOval(120, 10, 30, 30);

			g.fillOval(230, 10, 30, 30);

			g.drawArc(110, 50, 160, 100, 180, 180);

			break;

		}

	}



	public void update(Graphics g) {

		paint(g);

	}



}


然后把此组件添加到你的Applet中。
jjwyy 2008-06-08
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[Quote=引用 7 楼 sagezk 的回复:]
是够晕，先格式化一下：

[/Quote]
本来INIT()也有设置FRAME的 但被我删除了
sagezk 2008-06-08
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是够晕，先格式化一下：


import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Container;

import java.awt.Dimension;

import java.awt.Graphics;

import java.awt.GridLayout;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;



import javax.swing.JApplet;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JOptionPane;

import javax.swing.JPanel;



public class MyApplets extends JApplet {



	private JButton keyButton[] = new JButton[9];

	int b = 0;

	int c = 0;



	public void init() {

		String strLine = System.getProperty("line.separator");

		JOptionPane.showMessageDialog(null, "Welcome to Mini-MineSweeper" + strLine

				+ "The object of the game is click on all" + strLine

				+ "the squares EXCEPT the one with the bomb." + strLine

				+ "(There is only one" + " bomb).To choose a square" + strLine

				+ "To display please simply click on the square.", "Message",

				JOptionPane.INFORMATION_MESSAGE);

	}



	public MyApplets() {

		Listener nListener = new Listener();

		Listener2 bListener = new Listener2();

		Container container = getContentPane();

		container.setLayout(new BorderLayout());

		JPanel p1 = new JPanel();

		p1.setLayout(new GridLayout(3, 3));

		int k = (int)(Math.random() * 9);// set the Button and Bomb

		for (int i = 0; i <= 8; i++) {

			keyButton[i] = new JButton();

			p1.add(keyButton[i]);

			keyButton[i].setBackground(Color.gray);

			if (i == k) {

				keyButton[k].addActionListener(bListener);

			} else {

				keyButton[i].addActionListener(nListener);

			}

		}

		container.add(p1, BorderLayout.CENTER);

	}



	public class Listener implements ActionListener {  //the win listener



		public void actionPerformed(ActionEvent e) {

			JButton n = (JButton)e.getSource();

			n.setBackground(Color.white);

			c++;

			if (c == 8) {

				face2 a2 = new face2();// set the happy face

				a2.setTitle("Boom!");

				a2.setSize(400, 200);

				a2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

				a2.setVisible(true);

				Dimension screenSize2 = Toolkit.getDefaultToolkit().getScreenSize();

				int screenWidth2 = screenSize2.width;

				int screenHight2 = screenSize2.height;

				int x2 = (screenWidth2 - a2.getWidth()) / 2;

				int y2 = (screenHight2 - a2.getHeight()) / 2;

				a2.setLocation(x2, y2);

				setVisible(false);

				int chose1 = JOptionPane.showConfirmDialog(null,

						"Congratulations!You win!"

								+ "Would you like to play again?",

						"Message", JOptionPane.YES_NO_OPTION);// the yes

											// or no

											// choose

				if (chose1 == JOptionPane.YES_OPTION) {

					a2.setVisible(false);

					c = 0;

					JFrame MyApplet = new JFrame();// set the main frame

					MyApplet.setTitle("Boom!");

					MyApplet.setSize(400, 200);

					MyApplet.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

					MyApplet.setVisible(true);

					Dimension screenSize = Toolkit.getDefaultToolkit()

							.getScreenSize(); // let the frame be

										// center

					int screenWidth = screenSize.width;

					int screenHight = screenSize.height;

					int x = (screenWidth - MyApplet.getWidth()) / 2;

					int y = (screenHight - MyApplet.getHeight()) / 2;

					MyApplet.setLocation(x, y);

				} else System.exit(0);

			}

		}

	}



	public class Listener2 implements ActionListener {  // the lose listener



		public void actionPerformed(ActionEvent e) {

			JButton n = (JButton)e.getSource();

			n.setBackground(Color.black);

			b++;

			if (b == 1 && c != 8) {

				face a1 = new face();// set the sad face

				a1.setTitle("Boom!");

				a1.setSize(400, 200);

				a1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

				a1.setVisible(true);

				Dimension screenSize1 = Toolkit.getDefaultToolkit().getScreenSize();

				int screenWidth1 = screenSize1.width;

				int screenHight1 = screenSize1.height;

				int x1 = (screenWidth1 - a1.getWidth()) / 2;

				int y1 = (screenHight1 - a1.getHeight()) / 2;

				a1.setLocation(x1, y1);

				int chose = JOptionPane.showConfirmDialog(null, "BOOooM!!!"

						+ "Would you like to play again?", "Message",

						JOptionPane.YES_NO_OPTION);

				setVisible(false);

				if (chose == JOptionPane.YES_OPTION) {

					a1.setVisible(false);

					c = 0;

					JFrame MyApplet = new JFrame();// set the main frame

					MyApplet.setTitle("Boom!");

					MyApplet.setSize(400, 200);

					MyApplet.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

					MyApplet.setVisible(true);

					Dimension screenSize = Toolkit.getDefaultToolkit()

							.getScreenSize(); // let the frame be

										// center

					int screenWidth = screenSize.width;

					int screenHight = screenSize.height;

					int x = (screenWidth - MyApplet.getWidth()) / 2;

					int y = (screenHight - MyApplet.getHeight()) / 2;

					MyApplet.setLocation(x, y);

				} else System.exit(0);

			}

		}

	}



	class face extends JFrame {// draw the happy face



		public face() {

			getContentPane().add(new Ovals());

		}



		class Ovals extends JPanel {



			public void paintComponent(Graphics g) {

				super.paintComponent(g);

				g.setColor(Color.black);

				g.fillRect(0, 0, 400, 200);

				g.setColor(Color.red);

				g.fillOval(120, 10, 30, 30);

				g.fillOval(230, 10, 30, 30);

				g.drawArc(110, 100, 160, 100, 0, 180);

			}

		}

	}



	class face2 extends JFrame {  // draw the sad face



		public face2() {

			getContentPane().add(new Ovals2());

		}



		class Ovals2 extends JPanel {



			public void paintComponent(Graphics g) {

				super.paintComponent(g);

				g.setColor(Color.black);

				g.fillRect(0, 0, 400, 200);

				g.setColor(Color.red);

				g.fillOval(120, 10, 30, 30);

				g.fillOval(230, 10, 30, 30);

				g.drawArc(110, 50, 160, 100, 180, 180);

			}

		}

	}



}
jjwyy 2008-06-08
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这个是现在改的 我还有问题就是 APPLET本身有个框体 那每次扫雷成功失败后出现的笑脸怎么画在APPLET的框体上呢？


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



public class MyApplets extends JApplet
{

private JButton keyButton[]=new JButton[9];

int b=0;int c=0;


public void init()
{

String strLine = System.getProperty("line.separator");
JOptionPane.showMessageDialog(null,"Welcome to Mini-MineSweeper"+ strLine +
"The object of the game is click on all" + strLine +
"the squares EXCEPT the one with the bomb." + strLine +
"(There is only one" +
" bomb).To choose a square" + strLine +
"To display please simply click on the square.",
"Message",JOptionPane.INFORMATION_MESSAGE);



}





public MyApplets()
{

Listener nListener = new Listener();
Listener2 bListener = new Listener2();


Container container = getContentPane();
container.setLayout(new BorderLayout());
JPanel p1=new JPanel();
p1.setLayout(new GridLayout(3,3));
int k= (int)(Math.random()*9);//set the Button and Bomb

for(int i=0;i<=8;i++)
{
keyButton[i]=new JButton();
p1.add(keyButton[i]);
keyButton[i].setBackground(Color.gray);
if(i==k)
{
keyButton[k].addActionListener(bListener);
}
else
{
keyButton[i].addActionListener(nListener);
}

}



container.add(p1,BorderLayout.CENTER);
}






public class Listener implements ActionListener//the win listener
{

public void actionPerformed(ActionEvent e)
{
JButton n = (JButton)e.getSource();
n.setBackground(Color.white);
c++;
if (c==8){
face2 a2= new face2();//set the happy face

a2.setTitle("Boom!");
a2.setSize(400,200);
a2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
a2.setVisible(true);


Dimension screenSize2=
Toolkit.getDefaultToolkit().getScreenSize();
int screenWidth2 = screenSize2.width;
int screenHight2 = screenSize2.height;

int x2=(screenWidth2 - a2.getWidth())/2;
int y2=(screenHight2 - a2.getHeight())/2;

a2.setLocation(x2,y2);
setVisible(false);

int chose1 = JOptionPane.showConfirmDialog (null,"Congratulations!You win!"+
"Would you like to play again?","Message",JOptionPane.YES_NO_OPTION);// the yes or no choose

if (chose1==JOptionPane.YES_OPTION)
{
a2.setVisible(false);
c=0;


JFrame MyApplet = new JFrame ();//set the main frame
MyApplet.setTitle("Boom!");
MyApplet.setSize(400,200);
MyApplet.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MyApplet.setVisible(true);


Dimension screenSize=
Toolkit.getDefaultToolkit().getScreenSize(); //let the frame be center
int screenWidth = screenSize.width;
int screenHight = screenSize.height;

int x=(screenWidth - MyApplet.getWidth())/2;
int y=(screenHight - MyApplet.getHeight())/2;

MyApplet.setLocation(x,y);


}
else
System.exit(0); }
}

}

public class Listener2 implements ActionListener//the lose listener
{
public void actionPerformed(ActionEvent e)
{
JButton n = (JButton)e.getSource();
n.setBackground(Color.black);
b++;
if (b==1&&c!=8){
face a1= new face();//set the sad face

a1.setTitle("Boom!");
a1.setSize(400,200);
a1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
a1.setVisible(true);


Dimension screenSize1=
Toolkit.getDefaultToolkit().getScreenSize();
int screenWidth1 = screenSize1.width;
int screenHight1= screenSize1.height;

int x1=(screenWidth1 - a1.getWidth())/2;
int y1=(screenHight1 - a1.getHeight())/2;

a1.setLocation(x1,y1);



int chose = JOptionPane.showConfirmDialog (null,"BOOooM!!!"+
"Would you like to play again?","Message",JOptionPane.YES_NO_OPTION);
setVisible(false);

if (chose==JOptionPane.YES_OPTION)
{
a1.setVisible(false);

c=0;

JFrame MyApplet = new JFrame ();//set the main frame
MyApplet.setTitle("Boom!");
MyApplet.setSize(400,200);
MyApplet.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MyApplet.setVisible(true);


Dimension screenSize=
Toolkit.getDefaultToolkit().getScreenSize(); //let the frame be center
int screenWidth = screenSize.width;
int screenHight = screenSize.height;

int x=(screenWidth - MyApplet.getWidth())/2;
int y=(screenHight - MyApplet.getHeight())/2;

MyApplet.setLocation(x,y);



}
else
System.exit(0); }
}


}


class face extends JFrame//draw the happy face
{
public face()
{

getContentPane().add(new Ovals());

}
class Ovals extends JPanel
{
public void paintComponent(Graphics g)
{
super.paintComponent(g);
g.setColor(Color.black);
g.fillRect(0, 0, 400, 200);
g.setColor(Color.red);
g.fillOval(120,10,30,30);
g.fillOval(230,10,30,30);
g.drawArc(110,100,160, 100, 0, 180);
}

}
}

class face2 extends JFrame//draw the sad face
{
public face2()
{

getContentPane().add(new Ovals2());

}
class Ovals2 extends JPanel
{
public void paintComponent(Graphics g)
{
super.paintComponent(g);
g.setColor(Color.black);
g.fillRect(0, 0, 400, 200);
g.setColor(Color.red);
g.fillOval(120,10,30,30);
g.fillOval(230,10,30,30);
g.drawArc(110,50,160, 100, 180, 180);
}

}
}


}












jjwyy 2008-06-08
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[Quote=引用 4 楼 sagezk 的回复:]
你代码中没有Applet部分，改后的代码贴出来。
[/Quote]

APPLET已经改的很乱了 彻底晕了。。

我还有个疑问就是 一般都是把MAIN函数转换成INTT

但原来那个MainBomb()函数怎么办呢？？

在APPLET里改成什么呢？
sagezk 2008-06-08
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你代码中没有Applet部分，改后的代码贴出来。
jjwyy 2008-06-08
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[Quote=引用 2 楼 sagezk 的回复:]
初学Java，那最好通过阅读别人的源代码自己找出解决问题的方法，给你个例子 你的JDK安装路径\demo\jfc\SwingSet2，一个既能在浏览器中以APPLET方式运行（双击网页文件SwingSet2.html）又能像普通桌面环境下运行的程序一样运行（双击SwingSet2.jar）的经典例子。
[/Quote]

我现在是能改成APPLET并运行 但这个程序要求是程序结束后循环

改成APPLET后这个循环就实现不了了
sagezk 2008-06-08
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初学Java，那最好通过阅读别人的源代码自己找出解决问题的方法，给你个例子 你的JDK安装路径\demo\jfc\SwingSet2，一个既能在浏览器中以APPLET方式运行（双击网页文件SwingSet2.html）又能像普通桌面环境下运行的程序一样运行（双击SwingSet2.jar）的经典例子。
jjwyy 2008-06-08
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PS：我改成APPLET后程序无法实现循环。。。
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