产生不重复随机数,写得不好,希望大家多多批评!!!

王朝java/jsp·作者佚名  2006-01-10
窄屏简体版  字體: |||超大  

小弟初学java,最近在写一个拼图游戏的程序,在写得过程中考虑要随机排列图片,经过一番研究终于学出来了,我写得这个不是很好,在高手看来可能算不了什么,但是对于我这样初学的人我想还会有一些帮助的,所以就把它写出来了!!!

代码如下:

package PT;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.Icon;

import java.awt.GridLayout;

import javax.swing.ImageIcon;

class myPanel extends JPanel implements ActionListener

{

JButton bt1,bt2,bt3,bt4,bt5,bt6,bt7,bt8,bt9;

ImageIcon ico1=new ImageIcon("1.jpg");

ImageIcon ico2=new ImageIcon("2.jpg");

ImageIcon ico3=new ImageIcon("3.jpg");

ImageIcon ico4=new ImageIcon("4.jpg");

ImageIcon ico5=new ImageIcon("5.jpg");

ImageIcon ico6=new ImageIcon("6.jpg");

ImageIcon ico7=new ImageIcon("7.jpg");

ImageIcon ico8=new ImageIcon("8.jpg");

ImageIcon[] ico=new ImageIcon[8];

public myPanel()

{

int[] a=new int[8];

for(int i=0;i<a.length;i++)

{

a[i]=(int)(Math.random()*8+1);

for(int j=0;j<i;j++)

{

if(a[j]==a[i])

{

i--;

break;

}

}

}

for(int i=0;i<a.length;i++)

{

ico[i]=new ImageIcon(a[i]+".jpg");

// System.out.println (a[i]);

}

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

bt1=new JButton(ico[0]);

bt2=new JButton(ico[1]);

bt3=new JButton(ico[2]);

bt4=new JButton(ico[3]);

bt5=new JButton(ico[4]);

bt6=new JButton(ico[5]);

bt7=new JButton(ico[6]);

bt8=new JButton(ico[7]);

bt9=new JButton();

bt1.setSize(200,200);

bt2.setSize(200,200);

bt3.setSize(200,200);

bt4.setSize(200,200);

bt5.setSize(200,200);

bt6.setSize(200,200);

bt7.setSize(200,200);

bt8.setSize(200,200);

bt9.setSize(200,200);

this.add(bt1);

this.add(bt2);

this.add(bt3);

this.add(bt4);

this.add(bt5);

this.add(bt6);

this.add(bt7);

this.add(bt8);

this.add(bt9);

bt1.addActionListener(this);

bt2.addActionListener(this);

bt3.addActionListener(this);

bt4.addActionListener(this);

bt5.addActionListener(this);

bt6.addActionListener(this);

bt7.addActionListener(this);

bt8.addActionListener(this);

bt9.addActionListener(this);

}

public void actionPerformed(ActionEvent e)

{

if (e.getSource()==bt1)

{

if(bt2.getIcon()==null)

{

bt2.setIcon(bt1.getIcon());

bt1.setIcon(null);

}

if(bt4.getIcon()==null)

{

bt4.setIcon(bt1.getIcon());

bt1.setIcon(null);

}

}

if(e.getSource()==bt2)

{

if(bt1.getIcon()==null)

{

bt1.setIcon(bt2.getIcon());

bt2.setIcon(null);

}

if(bt3.getIcon()==null)

{

bt3.setIcon(bt2.getIcon());

bt2.setIcon(null);

}

if(bt5.getIcon()==null)

{

bt5.setIcon(bt2.getIcon());

bt2.setIcon(null);

}

}

if(e.getSource()==bt3)

{

if(bt2.getIcon()==null)

{

bt2.setIcon(bt3.getIcon());

bt3.setIcon(null);

}

if(bt6.getIcon()==null)

{

bt6.setIcon(bt3.getIcon());

bt3.setIcon(null);

}

}

if(e.getSource()==bt4)

{

if(bt1.getIcon()==null)

{

bt1.setIcon(bt4.getIcon());

bt4.setIcon(null);

}

if(bt5.getIcon()==null)

{

bt5.setIcon(bt4.getIcon());

bt4.setIcon(null);

}

if(bt7.getIcon()==null)

{

bt7.setIcon(bt4.getIcon());

bt4.setIcon(null);

}

}

if(e.getSource()==bt5)

{

if(bt2.getIcon()==null)

{

bt2.setIcon(bt5.getIcon());

bt5.setIcon(null);

}

if(bt4.getIcon()==null)

{

bt4.setIcon(bt5.getIcon());

bt5.setIcon(null);

}

if(bt6.getIcon()==null)

{

bt6.setIcon(bt5.getIcon());

bt5.setIcon(null);

}

if(bt8.getIcon()==null)

{

bt8.setIcon(bt5.getIcon());

bt5.setIcon(null);

}

}

if(e.getSource()==bt6)

{

if(bt3.getIcon()==null)

{

bt3.setIcon(bt6.getIcon());

bt6.setIcon(null);

}

if(bt5.getIcon()==null)

{

bt5.setIcon(bt6.getIcon());

bt6.setIcon(null);

}

if(bt9.getIcon()==null)

{

bt9.setIcon(bt6.getIcon());

bt6.setIcon(null);

}

}

if(e.getSource()==bt7)

{

if(bt4.getIcon()==null)

{

bt4.setIcon(bt7.getIcon());

bt7.setIcon(null);

}

if(bt8.getIcon()==null)

{

bt8.setIcon(bt7.getIcon());

bt7.setIcon(null);

}

}

if(e.getSource()==bt8)

{

if(bt5.getIcon()==null)

{

bt5.setIcon(bt8.getIcon());

bt8.setIcon(null);

}

if(bt7.getIcon()==null)

{

bt7.setIcon(bt8.getIcon());

bt8.setIcon(null);

}

if(bt9.getIcon()==null)

{

bt9.setIcon(bt8.getIcon());

bt8.setIcon(null);

}

}

if(e.getSource()==bt9)

{

if(bt6.getIcon()==null)

{

bt6.setIcon(bt9.getIcon());

bt9.setIcon(null);

}

if(bt8.getIcon()==null)

{

bt8.setIcon(bt9.getIcon());

bt9.setIcon(null);

}

}

}

}

class Select

{

JFrame myFrame=new JFrame("拼图");

public Select()

{

myFrame.getContentPane().add(new myPanel());

myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

myFrame.setSize(600,600);

myFrame.setResizable(false);

myFrame.pack();

myFrame.setVisible(true);

}

public static void main(String[] args)

{

new Select();

}

}

 
 
 
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