求助。。菜单项被遮住了【java吧】

本人编写的扫雷程序，但运行时菜单项被遮住了，那位高手告诉下该怎样解决，非常感谢。。。。
//Bomb.java
import javax.swing.JButton;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Bomb extends JButton {
public int num_x,num_y;        //第几号方块
public int BombRoundCount;     //周围雷数
public boolean isBomb;         //是否为雷
public boolean isClicked;      //是否被点击
public int BombFlag;           //探雷标记
public boolean isRight;        //是否点击右键
public Bomb(int x,int y)
   {
    BombFlag = 0;
    num_x = x;
    num_y = y;
    BombRoundCount = 0;
    isBomb = false;
    isClicked = false;
    isRight = false;
   }
}
//MainBomb.java
import java.awt.event.MouseListener;
import javax.swing.JFrame;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class MainBomb extends JFrame implements ActionListener,MouseListener{
public JTextField text;
   public Label nowBomb,setBomb;
   public int BlockNum,BombNum,BNum;                                             //当前方块数当前雷数
   public Icon icon_bomb = new ImageIcon("Bomb.gif");                           //踩雷
   public Icon icon_bomb_big = new ImageIcon("bomb_big.gif");                   //踩雷标记
   public Icon icon_flag = new ImageIcon("flag.gif");                           //雷标记
   public Icon icon_question = new ImageIcon("question.gif");                   //疑惑是否有雷
   public JButton start = new JButton(" 开始 ");
   public Panel MenuPamel = new Panel();
   public Panel mainPanel = new Panel();
   public Bomb[][] bombButton;
    public JMenuBar mb;
      public JMenuItem lowl,middlel,highl,helpitem;
      public JMenu game,help;

   /*界面设计*/

   public MainBomb()

送TA礼物

1楼2010-06-07 18:42回复

   {
    super("扫雷   Aaron2004制作 2004.8 ");
    mb=new JMenuBar();
         //mb.setLightWeightPopupEnabled(false);
         game = new JMenu("游戏");
         help = new JMenu("帮助");
         mb.add(game);
         mb.add(help);
         lowl = new JMenuItem("初级");
         middlel = new JMenuItem("中级");
         highl = new JMenuItem("高级");
         game.add(lowl);
         game.add(middlel);
         game.add(highl);

         helpitem = new JMenuItem("关于扫雷");
         help.add(helpitem);
         //lowl.addActionListener(this);
         //middlel.addActionListener(this);
         //highl.addActionListener(this);
         //helpitem.addActionListener(this);
         setLayout(new BorderLayout());
         add(mb,"North");
         //setJPopupMenu(mb);
         this.getContentPane().add(mb,BorderLayout.NORTH);
    BlockNum = 64;
    BombNum = 10;
    BNum=10;
    JPanel c=new JPanel();
    c.setBackground(Color.orange);
    c.setLayout(new BorderLayout());

    nowBomb = new Label("当前雷数"+"   "+BombNum+"");

    c.add(nowBomb,"South");

    mainPanel.setLayout(new GridLayout( (int)Math.sqrt(BlockNum) , (int)Math.sqrt(BlockNum)) );
    bombButton=new Bomb[ (int)Math.sqrt(BlockNum) ][];
    for(int i = 0 ; i < (int)Math.sqrt(BlockNum) ; i++)
    {
     bombButton[ i ]=new Bomb[ (int)Math.sqrt(BlockNum) ];
    }
    for(int i = 0 ; i < (int)Math.sqrt(BlockNum) ; i++ )
     for(int j = 0 ; j < (int)Math.sqrt(BlockNum) ; j++ )
     {
      bombButton[ i ][ j ]=new Bomb(i,j);
      bombButton[ i ][ j ].setForeground( Color.gray);
      bombButton[ i ][ j ].addActionListener(this);

2楼2010-06-07 18:42

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      bombButton[ i ][ j ].addMouseListener(this);
     }
    for(int i = 0 ; i < (int)Math.sqrt(BlockNum) ; i++ )
     for(int j = 0 ; j < (int)Math.sqrt(BlockNum) ; j++ )
      mainPanel.add(bombButton[ i ][ j ]);
    c.add(mainPanel,"Center");
this.getContentPane().add(c,BorderLayout.CENTER);
    startBomb();
    setSize(350,400);
    setLocation(350,200);
    setResizable(false);

    addWindowListener(new WindowAdapter(){
        public void windowClosing(WindowEvent e){
            System.exit(0);
        }
    });

    lowl.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e){
            BNum=10;
            replay();
        }
    });
    middlel.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e){
            BNum=15;
            replay();
        }
    });
    highl.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e){
            BNum=20;
            replay();
        }
    });
    helpitem.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e){
            //new Help(this,"关于扫雷");
        }
    });

   }

   /*布雷*/

   public void startBomb()
   {

    for(int i=0;i<BombNum;i++)
    {
     int x =(int)(Math.random()*(int)(Math.sqrt(BlockNum)-1));
     int y =(int)(Math.random()*(int)(Math.sqrt(BlockNum)-1));

     if(bombButton[ x ][ y ].isBomb==true)
      i--;//再重新来一次.呵呵
     else

3楼2010-06-07 18:42

      bombButton[ x ][ y ].isBomb=true ;
    }
   }

   /*重新开始*/

   public void replay()
   {
    BombNum=BNum;
    nowBomb.setText("当前雷数"+"   "+BombNum+"");
    for(int i = 0 ; i < (int)Math.sqrt(BlockNum) ; i++)
     for(int j = 0 ; j < (int)Math.sqrt(BlockNum) ; j++)
     {
      bombButton[ i ][ j ].isBomb=false;
      bombButton[ i ][ j ].isClicked=false;
      bombButton[ i ][ j ].setEnabled(true);
      bombButton[ i ][ j ].setText("");
      bombButton[ i ][ j ].setIcon(null);
     }
    startBomb();
   }

   /*是否挖完了所有的雷*/

   public void isWin()
   {
    int findBomb=0;   //找到的地雷数
    for(int i = 0;i < (int)Math.sqrt(BlockNum) ; i++)

     for(int j = 0;j < (int)Math.sqrt(BlockNum ); j++)
      {
       if(bombButton[ i ][ j ].isBomb == true && bombButton[ i ][ j ].isRight == true)
        findBomb++;
      }
     if( findBomb == BNum )
     {
      JOptionPane msg = new JOptionPane();
      JOptionPane.showMessageDialog(this,"您挖完了所有的雷，您胜利了!","您胜利了",2);
     }
    }

    /*计算方块周围雷数 */

    public void CountRoundBomb()
    {
     for (int i = 0; i < (int)Math.sqrt(BlockNum); i++) {
      for (int j = 0; j < (int)Math.sqrt(BlockNum); j++) {
       int count = 0;
       //当需要检测的单元格本身无地雷的情况下,统计周围的地雷个数
       if (bombButton[ i ][ j ].isBomb != true) {
        if ( (i - 1 >= 0) && (j - 1 >= 0)) {
         if (bombButton[i - 1][j - 1].isBomb == true) {
          count += 1; //检测左上方空格是否是地雷
         }
        }
        if ( (i - 1 >= 0)) {
         if (bombButton[i - 1][ j ].isBomb == true) {

4楼2010-06-07 18:42

          count += 1; //检测上方空格是否为地雷
         }
        }
        if ( (i - 1 >= 0) && (j + 1 <= (int)Math.sqrt(BlockNum)-1)) {
         if (bombButton[i - 1][j + 1] .isBomb == true) {
          count += 1; //检测右上方是否为地雷
         }
        }
        if ( (j - 1 >= 0)) {
         if (bombButton[ i ][j - 1] .isBomb == true) {
          count += 1; //检测左边是否为地雷
         }
        }
        if ( (i >= 0) && (j + 1 <= (int)Math.sqrt(BlockNum)-1)) {
         if (bombButton[ i ][j + 1].isBomb == true) {
          count += 1; //右边
         }
        }
        if ( (j - 1 >= 0) && (i + 1 <= (int)Math.sqrt(BlockNum)-1)) {
         if (bombButton[i + 1][j - 1].isBomb == true) {
          count += 1; //左下
         }
        }
        if ( (i + 1 <= (int)Math.sqrt(BlockNum)-1)) {
         if (bombButton[i + 1][ j ].isBomb == true) {
          count += 1; //下
         }         if ( (j + 1 <= (int)Math.sqrt(BlockNum)-1) && (i + 1 <= Math.sqrt(BlockNum)-1)) {
          if (bombButton[i + 1][j + 1].isBomb == true) {
           count += 1; //右下
          }
         }
         bombButton[ i ][ j ].BombRoundCount = count;
        }
       }
      }
     }
    }

     /**当选中的位置为空,则翻开周围的地图**/

     public void isNull(Bomb[][] bombButton,Bomb ClickecButton)
     {
      int i,j;

5楼2010-06-07 18:42

      i=ClickecButton.num_x;
      j=ClickecButton.num_y;

      if (ClickecButton.isBomb==true) {

      }
      else {

       if ( (i - 1 >= 0) && (j - 1 >= 0)) { //检测左上方空格是否是空
        if (bombButton[i - 1][j - 1].isBomb == false && bombButton[i - 1][j - 1].isClicked == false && bombButton[i - 1][j - 1].isRight == false) {
         bombButton[i - 1][j - 1].setText((bombButton[i - 1][j - 1].BombRoundCount)+"");
         bombButton[i - 1][j - 1].setEnabled(false);
         bombButton[i - 1][j - 1].isClicked=true;
         if(bombButton[i - 1][j - 1].BombRoundCount==0)
             isNull(bombButton,bombButton[i - 1][j - 1]);
        }
       }

       if ( (i - 1 >= 0)) { //检测上方空格是否为空
        if (bombButton[i - 1][ j ] .isBomb == false && bombButton[i - 1][ j ].isClicked == false && bombButton[i - 1][ j ].isRight == false) {
         bombButton[i - 1][ j ].setText((bombButton[i - 1][ j ].BombRoundCount)+"");
         bombButton[i - 1][ j ].setEnabled(false);
         bombButton[i - 1][ j ].isClicked=true;
         if(bombButton[i - 1][j].BombRoundCount==0)
             isNull(bombButton,bombButton[i - 1][j]);
        }
       }
       if ( (i - 1 >= 0) && (j + 1 <= ((int)Math.sqrt(BlockNum)-1)) ) { //检测右上方是否为空
        if (bombButton[i - 1][j + 1] .isBomb == false && bombButton[i - 1][j + 1].isClicked == false && bombButton[i - 1][j + 1].isRight == false) {
         bombButton[i - 1][j + 1].setText((bombButton[i - 1][j + 1].BombRoundCount)+"");
         bombButton[i - 1][j + 1].setEnabled(false);
         bombButton[i - 1][j + 1].isClicked=true;
         if(bombButton[i - 1][j + 1].BombRoundCount==0)
             isNull(bombButton,bombButton[i - 1][j + 1]);

6楼2010-06-07 18:42

        }

       }
       if ( (j - 1 >= 0)) { //检测左边是否为空
        if (bombButton[ i ][j - 1].isBomb == false && bombButton[ i ][j - 1].isClicked == false && bombButton[ i ][j - 1].isRight == false) {
         bombButton[ i ][j - 1].setText((bombButton[ i ][j - 1].BombRoundCount)+"");
         bombButton[ i ][j - 1].setEnabled(false);
         bombButton[ i ][j - 1].isClicked=true;
         if(bombButton[i][j - 1].BombRoundCount==0)
             isNull(bombButton,bombButton[i][j - 1]);
        }

       }
       if ( (i >= 0) && (j + 1 <= ((int)Math.sqrt(BlockNum)-1)) ) { //检测右边空格是否是空
        if (bombButton[ i ][j + 1].isBomb == false && bombButton[ i ][j + 1].isClicked == false && bombButton[ i ][j + 1].isRight == false) {
         bombButton[ i ][j + 1].setText((bombButton[ i ][j + 1].BombRoundCount)+"");
         bombButton[ i ][j + 1].setEnabled(false);
         bombButton[ i ][j + 1].isClicked=true;
         if(bombButton[i][j + 1].BombRoundCount==0)
             isNull(bombButton,bombButton[i][j + 1]);
        }
       }
       if ( (j - 1 >= 0) && (i + 1 <= ((int)Math.sqrt(BlockNum)-1)) ) { //检测左下空格是否是空
        if (bombButton[i + 1][j - 1].isBomb == false && bombButton[i + 1][j - 1].isClicked == false && bombButton[i + 1][j - 1].isRight == false) {
         bombButton[i + 1][j - 1].setText((bombButton[i + 1][j - 1].BombRoundCount)+"");
         bombButton[i + 1][j - 1].setEnabled(false);
         bombButton[i + 1][j - 1].isClicked=true;
         if(bombButton[i + 1][j - 1].BombRoundCount==0)
             isNull(bombButton,bombButton[i + 1][j - 1]);
        }
       }
       if ( (i + 1 <= ((int)Math.sqrt(BlockNum)-1)) ) { //检测下边空格是否是空

7楼2010-06-07 18:42

        if (bombButton[i + 1][ j ].isBomb == false && bombButton[i + 1][ j ].isClicked == false && bombButton[i + 1][ j ].isRight == false) {
         bombButton[i + 1][ j ].setText((bombButton[i + 1][ j ].BombRoundCount)+"");
         bombButton[i + 1][ j ].setEnabled(false);
         bombButton[i + 1][ j ].isClicked=true;
         if(bombButton[i + 1][j].BombRoundCount==0)
             isNull(bombButton,bombButton[i + 1][j]);
        }
       }
       if ( (j + 1 <= ((int)Math.sqrt(BlockNum)-1) ) && (i + 1 <= ((int)Math.sqrt(BlockNum)-1)) ) { //检测右下边空格是否是空
        if (bombButton[i + 1][j + 1].isBomb == false && bombButton[i + 1][j + 1].isClicked == false && bombButton[i + 1][j + 1].isRight == false) {
         bombButton[i + 1][j + 1].setText((bombButton[i + 1][j + 1].BombRoundCount)+"");
         bombButton[i + 1][j + 1].setEnabled(false);
         bombButton[i + 1][j + 1].isClicked=true;
         if(bombButton[i + 1][j + 1].BombRoundCount==0)
             isNull(bombButton,bombButton[i + 1][j + 1]);
        }
       }


      }
     }


     public void actionPerformed(ActionEvent e)
     {

      CountRoundBomb();//计算方块周围雷数

      if(((Bomb)e.getSource()).isBomb==false && ((Bomb)e.getSource()).isClicked == false)
      {
       ((Bomb)e.getSource()).setText(( ((Bomb)e.getSource()).BombRoundCount )+"");
       ((Bomb)e.getSource()).isClicked=true;
       ((Bomb)e.getSource()).setIcon(null);
       ((Bomb)e.getSource()).setEnabled(false);
       if((((Bomb)e.getSource()).BombRoundCount) == 0)
        isNull(bombButton,(Bomb)e.getSource());
       isWin();
      }
      else if(((Bomb)e.getSource()).isBomb == true)

8楼2010-06-07 18:42

      {

       for(int i=0;i<(int)Math.sqrt(BlockNum);i++)
        for(int j=0;j<(int)Math.sqrt(BlockNum);j++)
        {
         if(bombButton[ i ][ j ].isBomb == true)
          bombButton[ i ][ j ].setIcon(icon_bomb);
        }

       ((Bomb)e.getSource()).setIcon(icon_bomb_big);

       JOptionPane msg = new JOptionPane();
       JOptionPane.showMessageDialog(this,"你踩到地雷了，按确定重来","你踩到地雷了",2);
       replay();
      }
     }

     public void mouseClicked(MouseEvent e)
     {
      Bomb bombSource = (Bomb)e.getSource();
      boolean right = SwingUtilities.isRightMouseButton(e);

      if((right == true) && (bombSource.isClicked == false))
      {
       bombSource.BombFlag = (bombSource.BombFlag + 1)%3;
       if(bombSource.BombFlag == 1)
       {

        if(BombNum > 0 && bombSource.isRight == false ){
         bombSource.setIcon(icon_flag);
         bombSource.isRight = true;
         BombNum--;
        }
        isWin();
        nowBomb.setText("当前雷数"+"   "+BombNum+"");
       }
       else if(bombSource.BombFlag == 2)
       {

        if( (BombNum !=0 ) ||(BombNum ==0 &&(bombSource.getIcon()==icon_flag)))
         BombNum++;
        bombSource.setIcon(icon_question);
        nowBomb.setText("当前雷数"+"   "+BombNum+"");
       }
       else if(bombSource.BombFlag == 0)
       {
        bombSource.setIcon(null);
        bombSource.isRight = false;
       }
      }
     }

     public void mouseEntered(MouseEvent e)
     {}
     public void mouseReleased(MouseEvent e)
     {}
     public void mouseExited(MouseEvent e)
     {}
     public void mousePressed(MouseEvent e)
     {} }
//main.java
public class main { /**
   * @param args
   */
public static void main(String[] args) {
   // TODO Auto-generated method stub

   (new MainBomb()).show(); }}

9楼2010-06-07 18:42

菜单项被遮住,楼主我最近也碰到这个问题，不知道楼主解决了没有？分享下最后的触屏办法

10楼2013-10-08 21:32

日	一	二	三	四	五	六

求助。。菜单项被遮住了

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