java贪食蛇小程序代码解释

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1、【java】贪食蛇=====MainFrame.java======主界面及其他===========packagepack1;importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclassMainFrameextendsJFrameimplementsActionListener,KeyListener{ JMenuBarmenubar=newJMenuBar(); JMenudifficulty=newJMenu("难度"); ButtonGr

2、oupbg=newButtonGroup(); JRadioButtoneasy=newJRadioButton("初级",true); JRadioButtonmiddle=newJRadioButton("中级",false); JRadioButtonhard=newJRadioButton("高级",false); JButtonstarted=newJButton("开始"); JButtonpaused=newJButton("暂停"); JButtonended =newJButton("结束"); JButto

3、nhelped=newJButton("帮助"); JButtonbtn[][]=newJButton[12][15]; JLabellblTitle=newJLabel(); intSnake1[]=newint[100]; intSnake2[]=newint[100]; intSnakeLength; intfood1; intfood2; inttemp1,temp2; intscore=0,cs=0,cq=0; intFoodScore; intSnakeD; intdirection; intrunFlag=0; 

4、intspeed; intpause=0;  publicMainFrame(){  super("贪食蛇游戏");  this.setJMenuBar(menubar);  menubar.add(difficulty);  bg.add(easy);  bg.add(middle);  bg.add(hard);  easy.addActionListener(this);  middle.addActionListener(this);  hard.addActionListener(this);  difficulty

5、.add(easy);  difficulty.add(middle);  difficulty.add(hard);  speed=3;    Containerc=getContentPane();  c.setLayout(newBorderLayout());    JPaneljp=newJPanel(newFlowLayout());  started.addActionListener(this);  paused.addActionListener(this);  ended.addActionListener

6、(this);  helped.addActionListener(this);  jp.add(started);jp.add(paused);jp.add(ended);jp.add(helped);  c.add(jp,BorderLayout.NORTH);  lblTitle.setText("得分："+score+"穿身宝物："+cs+"穿墙宝物："+cq);  lblTitle.setHorizontalAlignment(JLabel.CENTER);  JPanelplayPanel=newJPanel(ne

7、wGridLayout(12,15));  started.addKeyListener(this);  paused.addKeyListener(this);  ended.addKeyListener(this);  helped.addKeyListener(this);  for(inti=0;i<12;i++)   for(intj=0;j<15;j++)  {   playPanel.add(btn[i][j]=newJButton());   btn[i][j].setVisible(false);   btn

8、[i][j].addActionListener(this);   btn[i][j].setBackground(null);  }    JPanelshowFrame=newJPanel(newBorderLayout());  c.add(showFrame,Bord