snakeframe.java

这是一个Java写的贪吃蛇源码

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

class SnakeFrame extends JFrame{
	SnakeFrame()
	{
		
			final SnakePanel p=new SnakePanel(this);
			
		//添加菜单;;;;;;;;;;;;;;;;;;;;-----{
			JMenuBar menubar=new JMenuBar();
			setJMenuBar(menubar);		
			//File menu
			JMenu fileMenu=new JMenu("文件");
			
			fileMenu.add(new
			AbstractAction("帮助")
				{
					public void actionPerformed(ActionEvent event){
						JOptionPane.showConfirmDialog(
						p,"上下左右 控制|"+"enter－暂停","操纵说明",
						JOptionPane.OK_OPTION,JOptionPane.INFORMATION_MESSAGE);
					}	
				}			
				);			
			
			fileMenu.add(new
			AbstractAction("退出")
				{
					public void actionPerformed(ActionEvent event){
						System.exit(0);
					}	
				}			
				);	
			
			menubar.add(fileMenu);
			
			//"设置"菜单
			 JMenu optionMenu=new JMenu("设置");
			 
			 //等级选项
		      ButtonGroup groupDegree = new ButtonGroup();
		
		      JRadioButtonMenuItem oneItem
		         = new JRadioButtonMenuItem("第1级");
		      
		      JRadioButtonMenuItem twoItem
		         = new JRadioButtonMenuItem("第2级");
		      JRadioButtonMenuItem threeItem
		         = new JRadioButtonMenuItem("第3级");
		      threeItem.setSelected(true);
		      JRadioButtonMenuItem fourItem
		         = new JRadioButtonMenuItem("第4级");		         		
		      JRadioButtonMenuItem fiveItem
		         = new JRadioButtonMenuItem("第5级");		      
		      
		      groupDegree.add(oneItem);
		      groupDegree.add(twoItem);
		      groupDegree.add(threeItem);
		      groupDegree.add(fourItem);
		      groupDegree.add(fiveItem);
		      
		      oneItem.addActionListener(new listener(300)	);
		      twoItem.addActionListener(new listener(200)	);
		      threeItem.addActionListener(new listener(100)	);
		      fourItem.addActionListener(new listener(70)	);
		      fiveItem.addActionListener(new listener(50)	);
		      
		      JMenu degreeMenu=new JMenu("等级");
		      degreeMenu.add(oneItem);	
		      degreeMenu.add(twoItem);
		      degreeMenu.add(threeItem);
		      degreeMenu.add(fourItem);	
		      degreeMenu.add(fiveItem); 
		      
		      optionMenu.add(degreeMenu);
			 
		      // 风格选项
		
		      final JCheckBoxMenuItem showGridItem = new JCheckBoxMenuItem("显示网格");
				showGridItem.setSelected(true);
				showGridItem.addActionListener( new 
				ActionListener(){
					public void actionPerformed(ActionEvent e)
					{
						if(!showGridItem.isSelected()){
							p.setBackground(Color.blue);
						}else{
							p.setBackground(Color.lightGray);
						}
							
					}	
				}
				);	
				
		      ButtonGroup group = new ButtonGroup();
		
		      JRadioButtonMenuItem springItem
		         = new JRadioButtonMenuItem("春天气息");
		      springItem.setSelected(true);
		      JRadioButtonMenuItem summerItem
		         = new JRadioButtonMenuItem("夏天风采");
		      JRadioButtonMenuItem autumnItem
		         = new JRadioButtonMenuItem("秋天浪漫");
		      JRadioButtonMenuItem winterItem
		         = new JRadioButtonMenuItem("冬天雪白");		         		
		      
		      
		      group.add(springItem);
		      group.add(summerItem);
		      group.add(autumnItem);
		      group.add(winterItem);
		 
			
			JMenu stylemenu=new JMenu("风格");
			stylemenu.add(showGridItem);
			stylemenu.addSeparator();
			stylemenu.add(springItem);
			stylemenu.add(summerItem);
			stylemenu.add(autumnItem);
			stylemenu.add(winterItem);
			
			optionMenu.add(stylemenu);
			
			menubar.add(optionMenu);
			
			
		//menu;;;;;;;;;;;;;;;;;;;;-----}
			
			
			Container contentpane=getContentPane(); 
			contentpane.setLayout(new FlowLayout());
			contentpane.add(p);
			//p.setBackground(Color.blue);
			
			//;;;;;;;;;
			JButton newcmd=new JButton("新游戏");
			newcmd.addActionListener(new 
			ActionListener(){
				public void actionPerformed(ActionEvent e)
				{	
					//System.out.println("new game");
					p.newGame(speedtime);
		
				}
				
			}			
			);			
			JButton stopcmd=new JButton("暂停");
			stopcmd.addActionListener(new 
			ActionListener(){
				public void actionPerformed(ActionEvent e)
				{
					p.stopGame();
				}
				
			}			
			);
			
			JButton runcmd=new JButton("继续");
			runcmd.addActionListener(new 
			ActionListener(){
				public void actionPerformed(ActionEvent e)
				{
					p.resumeGame();
				}
				
			}			
			);			
			
			scoreField=new JTextField("0",3);
			scoreField.setEnabled(false);
			scoreField.setHorizontalAlignment(scoreField.CENTER);
			
			JPanel toolPanel=new JPanel();
			toolPanel.add(newcmd);
			toolPanel.add(stopcmd);
			toolPanel.add(runcmd);
			toolPanel.add(scoreField);
			contentpane.add(toolPanel);
			//;;;;;;;;;			
	}
	public JTextField scoreField;
	private long speedtime=100;
	private class listener implements ActionListener{
		private long pause;
		listener(long pause){
			if (pause>10){
				this.pause=pause;
			}else{
				this.pause=100;
			}
			
		}
		public void actionPerformed(ActionEvent e){
			
			speedtime=pause;
		}
	}
	
}