gui.java

简易的具有GPS导航功能的程序。仅有四个点

import javax.swing.*;

import sun.audio.AudioPlayer;
import sun.audio.AudioStream;
//import second.WindowDestroyer;
import java.awt.*;
import java.awt.event.*;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
public class GUI  extends JFrame implements ActionListener 
{
	Icon banner = new ImageIcon("E:\\图片\\ditu.jpg");
	JLabel ditu =new JLabel(); 
	JTextField[] field=new JTextField[2];
	JTextArea result=new JTextArea(24,30);
	 private Mistake me; 
	  public static final int WIDTH=700;
	  public static final int HEIGHT=460;
  {
	  try
		{
		InputStream in = new FileInputStream("E:\\音乐视频\\歌曲\\今天.wav");
		 AudioStream as = new AudioStream(in);
       AudioPlayer.player.start(as);
		}
		catch(FileNotFoundException e)
		{
			System.out.print("FileNotFoundException ");
		}
		catch(IOException e)
		{
		       System.out.print("有错误！");
		}  
		ditu.setIcon(banner);
	 	 setResizable(false);
	 	 setLocation(400, 50);
	 	 setTitle("GPS定位系统");
	 	 setSize(WIDTH,HEIGHT);
	 	 Container content=getContentPane();
	 	 content.setBackground(Color.WHITE);
	 	 content.setLayout(new BorderLayout());//建立窗体及容器
	 	 setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
	 	 addWindowListener(new WindowDestroyer());
	 	 
	 	JPanel map=new JPanel();
	 	JPanel button=new JPanel();
	 	JTextArea grap=new JTextArea(24,30);
	 	button.setLayout(new FlowLayout());
	 	result.setEditable(false);
	    field[0]=new JTextField(10);
	 	field[1]=new JTextField(10);
	      JLabel lb[]=new JLabel[2];
		  Font font=new Font("隶书",Font.BOLD,25);
		  lb[0]=new JLabel("始点  ");
		  lb[1]=new JLabel("终点  ");
		  JButton []b=new JButton[3];
	      b[0]=new JButton("线路查询");
	      b[1]=new JButton("地点管理");
	      b[2]=new JButton(" 退出 ");
	      for (int i=0;i<2;i++)
	      {
				 lb[i].setFont(font);
				 button.add(lb[i]);
				 button.add(field[i]);
		  }
	 	 for(int i=0;i<3;i++)
	 	 {
	 		 b[i].addActionListener(this);//监听器
	 		 button.add(b[i]); 
	 	 }
	 	 for(int i=0;i<2;i++)
	 	 {
	 		 field[i].addActionListener(this);//监听器
	 	 }
	 	grap.setBackground(Color.orange);
	 	 result.setBackground(Color.magenta);
	 	 map.add(ditu,BorderLayout.WEST);
	 	 map.add(result,BorderLayout.EAST);
	 	 content.add(map,BorderLayout.CENTER);
	 	 content.add(button,BorderLayout.SOUTH);//添加按钮槽
	 	setVisible(true);
	  }
	


//	  
	  public void actionPerformed(ActionEvent e)
	  {
	 	  if(e.getActionCommand().equals("线路查询"))
	 	  {
	 		 try
			 {
	 			 if(field[0].getText().equals("")||field[1].getText().equals("")){
		    		 JOptionPane.showMessageDialog(null,"请输入完整信息！","无效操作",1);
		    		 try
		    			{
		    			InputStream in = new FileInputStream("E:\\图片\\ku.wav");
		    			 AudioStream as = new AudioStream(in);
		    	       AudioPlayer.player.start(as);
		    			}
		    			catch(FileNotFoundException a)
		    			{
		    				System.out.print("FileNotFoundException ");
		    			}
		    			catch(IOException a)
		    			{
		    			       System.out.print("有错误！");
		    			}  }	
				 else if(field[0].getText().equals(field[1].getText()))
					 result.setText("始点与终点相同 \n 总长  0 千米");
		    	 else
		    		 {
                     Map m=new Map();
		    		 int s=m.getnumber(field[0].getText());
		    		 int t=m.getnumber(field[1].getText());
		    		 int n=m.getamount();
		    		 int d[]=new int[n+1], p[]=new int[n+1];
		    		 String r[]=new String[n+1];
		    	     m.Search(s,t,d,p);
		    	     if(m.Search(s,t,d,p)==0)
		    	     {
		    	    	 try
			    			{
			    			InputStream in = new FileInputStream("E:\\图片\\ku.wav");
			    			 AudioStream as = new AudioStream(in);
			    	       AudioPlayer.player.start(as);
			    			}
			    			catch(FileNotFoundException a)
			    			{
			    				System.out.print("FileNotFoundException ");
			    			}
			    			catch(IOException a)
			    			{
			    			       System.out.print("有错误！");
			    			} 
		    	    	 result.setText("从"+ field[0].getText() +"到"+field[1].getText() +"无路抵达");
		    	    }
		    	     else
		    	    	 {
		    	    	    int temp=t;int i=0;
		     		        while(temp!=0)
		     			    {
		     			      r[i]=m.getname(temp);
		     			       temp=p[temp];
		     			      i++;
		     			     }
		     		        String rote="此结束";
		     		        for( i=0;i<=n;i++)
		     			        if(r[i]!=null)
		     		                rote=r[i]+" 到 "+rote;
		     		       try
			    			{
			    			InputStream in = new FileInputStream("E:\\图片\\huanhu.wav");
			    			 AudioStream as = new AudioStream(in);
			    	       AudioPlayer.player.start(as);
			    			}
			    			catch(FileNotFoundException a)
			    			{
			    				System.out.print("FileNotFoundException ");
			    			}
			    			catch(IOException a)
			    			{
			    			       System.out.print("有错误！");
			    			} 
		     		         result.setText("最短路径为： \n        "+ rote +"\n总长为： \n        "+d[t]+" 千米");
		    	          }
		    		 }
			 }
			 	catch(Exception ee)
				 {
					 me=new Mistake("地名输入错误！");
				 }
		 		 
	 	  }
	 	  else if(e.getActionCommand().equals("地点管理"))
	 	  {//
	 		 myframe1 frame1 =new myframe1();
	 	  }
	 	  else if(e.getActionCommand().equals(" 退出 "))
	 	  {
	 		  int result = JOptionPane.showConfirmDialog(null,"您确定要退出吗?","退出",0);
	           if( result == 0 )System.exit(0);
	 	  }
	 	 
	 	  
	  }
	  public static void main(String[]args)
	  {
	 	 new GUI();
	 	 
	  }
	 }