showrecord.java

《Java课程设计》第二版

import java.io.*;
import java.util.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class ShowRecord extends JDialog implements ActionListener{
     File file=new File("英雄榜.txt");
     String name=null;
     Hashtable hashtable=null;
     JButton 显示,重新记分;
     JLabel label初级[],label中级[],label高级[];
     public ShowRecord(JFrame frame,Hashtable h) {
          setTitle("扫雷英雄榜");
          hashtable=h;
          setBounds(100,100,320,185);
          setResizable(false);
          setVisible(false);
          setModal(true); 
          label初级=new JLabel[3];
          label中级=new JLabel[3];
          label高级=new JLabel[3];
          for(int i=0;i<3;i++) {
              label初级[i]=new JLabel();
              label初级[i].setBorder(null);
              label中级[i]=new JLabel();
              label中级[i].setBorder(null);
              label高级[i]=new JLabel();
              label高级[i].setBorder(null);
          } 
          label初级[0].setText("初级");
          label初级[1].setText(""+999); 
          label初级[1].setText("匿名");  
          label中级[0].setText("中级");
          label中级[1].setText(""+999); 
          label中级[1].setText("匿名");
          label高级[0].setText("高级");
          label高级[1].setText(""+999); 
          label高级[1].setText("匿名"); 
          JPanel pCenter=new JPanel();
          pCenter.setLayout(new GridLayout(3,3)); 
          for(int i=0;i<3;i++)
             pCenter.add(label初级[i]);
          for(int i=0;i<3;i++)
             pCenter.add(label中级[i]);
          for(int i=0;i<3;i++)
             pCenter.add(label高级[i]);
          pCenter.setBorder(BorderFactory.createTitledBorder("扫雷英雄榜"));           
          显示=new JButton("显示成绩");
          重新记分=new JButton("重新记分");
          显示.addActionListener(this);
          重新记分.addActionListener(this);
          JPanel pSouth=new JPanel();
          pSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));
          pSouth.add(重新记分);
          pSouth.add(显示);
          add(pCenter,BorderLayout.CENTER);
          add(pSouth,BorderLayout.SOUTH) ;
     }
     public void readAndShow(){
         try{ FileInputStream in=new FileInputStream(file);
              ObjectInputStream object_in=new ObjectInputStream(in);
              hashtable=(Hashtable)object_in.readObject();
              object_in.close();
              in.close(); 
              String temp=(String)hashtable.get("初级");
              StringTokenizer fenxi=new StringTokenizer(temp,"#");
              label初级[0].setText(fenxi.nextToken());
              label初级[1].setText(fenxi.nextToken());
              label初级[2].setText(fenxi.nextToken());  
              temp=(String)hashtable.get("中级");
              fenxi=new StringTokenizer(temp,"#");
              label中级[0].setText(fenxi.nextToken());
              label中级[1].setText(fenxi.nextToken());
              label中级[2].setText(fenxi.nextToken());  
              temp=(String)hashtable.get("高级");
              fenxi=new StringTokenizer(temp,"#");
              label高级[0].setText(fenxi.nextToken());
              label高级[1].setText(fenxi.nextToken());
              label高级[2].setText(fenxi.nextToken()); 
         }
         catch(Exception e){}
     }
     public void actionPerformed(ActionEvent e) {
         if(e.getSource()==重新记分) {
            hashtable.put("初级","初级#"+999+"#匿名");
            label初级[0].setText("初级");
            label初级[1].setText(""+999);
            label初级[2].setText("匿名"); 
            hashtable.put("中级","中级#"+999+"#匿名");
            label中级[0].setText("初级");
            label中级[1].setText(""+999);
            label中级[2].setText("匿名");
            hashtable.put("高级","高级#"+999+"#匿名");
            label高级[0].setText("初级");
            label高级[1].setText(""+999);
            label高级[2].setText("匿名");
            try{ FileOutputStream out=new FileOutputStream(file);
                 ObjectOutputStream object_out=new ObjectOutputStream(out);
                 object_out.writeObject(hashtable);
                 object_out.close();
                 out.close();
            }
            catch(IOException event){}
            setVisible(false);
     }
     if(e.getSource()==显示){
        readAndShow();
     }  
  }
}