其他游戏

开发平台：
Java

HighRecord.java：源码内容
							package GameDisplay;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import java.io.*;
import javax.microedition.lcdui.Displayable;
public class HighRecord extends Canvas implements CommandListener{
Command ok;
private RecordStore rs; //////////////////数据
String theName[]; ////////////////////////姓名数组
int Score[]; //////////////////////////////分数数组
Image imgBg; ////////////////////////////分数背景图
HighRecord() {
    try {
      jbInit();
    }
    catch (Exception e) {
   e.printStackTrace();
    }
}
  private void jbInit() throws Exception {
    imgBg = Image.createImage("/res/score_blank.jpg");
   ok=new Command("确定",Command.OK,1);
       addCommand(ok);
       setCommandListener(this);
try { ///////////////////////////如果数据库无记录则添加五条记录
  rs = openRSAnyway(" ");
  if (rs.getNumRecords() == 0) {
    add("XXX",0);
    add("XXX",0);
    add("XXX",0);
    add("XXX",0);
    add("XXX",0);
  }
}
catch (RecordStoreNotOpenException e1) {
  e1.printStackTrace();
}
 }
public void paint(Graphics g) {
int y = 55;
duchu();
//画背景
g.drawImage(imgBg, 0, 0, Graphics.TOP | Graphics.LEFT);
g.setFont(CustomFont()); //设置字体为“大”
//画排行榜
g.setColor(255, 255, 0);
try {
  for (int i = 1; i < rs.getNumRecords()+1; i++) {
    g.drawString("     " + i + "     " +
             theName[i], 0, y, 0);
g.drawString(String.valueOf(Score[i]),this.getWidth()-60,y,0);
g.drawString("层",this.getWidth()-30,y,0);
y = y + 26;
  }
}
catch (RecordStoreNotOpenException ex) {
  ex.printStackTrace();
}
}
private Font CustomFont() { //定制字体//////////设置粗号，大字号
      return Font.getFont(Font.FACE_SYSTEM, Font.STYLE_BOLD,
                          Font.SIZE_LARGE);
    }
public RecordStore openRSAnyway(String rsname) {
RecordStore rs = null;
int ss = 66;
//	名稱大於32 個字元就不接受?????????
if (rsname.length() > 32)
  return null;
try {
  rs = RecordStore.openRecordStore(rsname, true);
  return rs;
}
catch (Exception e) {
  return null;
}
}
//
public void add(String playerName, int score) { //在rs中增加一条记录
ByteArrayOutputStream bo = new ByteArrayOutputStream();
DataOutputStream doSteam = new DataOutputStream(bo);
try {
  doSteam.writeUTF(playerName);
  doSteam.writeInt(score);
  byte data[] = bo.toByteArray();
  rs.addRecord(data, 0, data.length);
  doSteam.close();
}
catch (Exception e) {
  e.printStackTrace();
}
}
  //用本次玩家的分数和rs中的数据作比较，分数高则储存，第一个参数为玩家姓名第二个参数为分数
       public void matches(String name, int score) {
               int bianhao = 0;
               duchu();
               try {
                   for (int i = 1; i < rs.getNumRecords()+1; i++) {
                           byte[] data = rs.getRecord(i);
                           DataInputStream doSteam = new DataInputStream(
                                           new ByteArrayInputStream(data));
                           System.out.println(doSteam.readUTF());
                           if (Score[rs.getNumRecords()] == doSteam.readInt()) {
                                   bianhao = i;
                                   break;
                           }
                           doSteam.close();
                       }
               if (Score[rs.getNumRecords()] < score)
               {
                       //System.out.println(bianhao);
                       save(name, score, bianhao);
               }
             } catch (Exception e) {
               e.printStackTrace();
                     }
                        try {
                          rs.closeRecordStore();
                        }
                        catch (RecordStoreException ex) {
                        }
       }
  //读出记录并排序
public void duchu() {
        theName = new String[6];
        Score = new int[6];
        try {
                for (int i = 1; i < 6; i++) {
                        byte[] data = rs.getRecord(i);
                        DataInputStream doSteam = new DataInputStream(
                                        new ByteArrayInputStream(data));
                        theName[i] = doSteam.readUTF();
                        Score[i] = doSteam.readInt();
                }
                paixu(Score, theName);
        } catch (Exception e) {
        }
}
//把5条记录排序
public void paixu(int[]Score, String name[]) {
        for (int j = 1; j < 6; j++) {
                for (int i = 1; i < 5; i++) {
                       int temp;
                       String tempStr;
                        if (Score[i] < Score[i + 1]) {
                                temp = Score[i];
                                Score[i] = Score[i + 1];
                                Score[i + 1] = temp;
                                tempStr = name[i];
                                name[i] = name[i + 1];
                                name[i + 1] = tempStr;
                        }
                }
        }
}
//存储数据
public void save(String playerName, int score, int bianhao) {//在rs中保存本次数据
        ByteArrayOutputStream bo = new ByteArrayOutputStream();
        DataOutputStream doSteam = new DataOutputStream(bo);
        try {
                doSteam.writeUTF(playerName);
                doSteam.writeInt(score);
                byte data[] = bo.toByteArray();
                rs.setRecord(bianhao, data, 0, data.length);
                doSteam.close();
        }
        catch (Exception e) {
                e.printStackTrace();
        }
}
  public void commandAction(Command command, Displayable displayable) {
        if(command==ok){
        Control.showMenu();
  }
  }
}

						