record.java

这是一个连连看的JAVA代码

/*
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 * and open the template in the editor.
 */

package Twins;
import javax.microedition.rms.*;
import java.util.Date;
import java.util.TimeZone;
/**
 *
 * @author Null
 */
public class Record 
{
    private static RecordStore rs=null;
    private final static String rsn="TWIN_Null_20071126";
    private static byte[] Data;
    private static int MaxScore;
    private static String LastDate;
    private static Date MyDate=new Date();
    private static TimeZone tr;
    public static int LastGameTime=180;
    
    public static void Open()
    {       
        String str = "0";
        Data = str.getBytes();
        try {
            rs = RecordStore.openRecordStore(rsn, false);
            //Data = rs.getRecord(0);
        } catch (RecordStoreException ex) {
            try {
                rs = RecordStore.openRecordStore(rsn, true);
                rs.addRecord(Data, 0, Data.length);
                str = " ";
                Data = str.getBytes();
                rs.addRecord(Data, 0, Data.length);
                str = "180";
                Data = str.getBytes();
                rs.addRecord(Data, 0, Data.length);
            } catch (RecordStoreException ex1) {
                ex1.printStackTrace();
            }
        }
        //Save(100);
    }
    
    public static void Read()
    {
        if (rs==null)
        {
            Open();
        }
        try {
            String str = "0";
            Data = rs.getRecord(1);
            str = new String(Data);
            MaxScore = Integer.parseInt(str);
            Data = rs.getRecord(2);
            LastDate = new String(Data);
            Data = rs.getRecord(3);
            str = new String(Data);
            LastGameTime = Integer.parseInt(str);
            System.out.println(MaxScore +  LastDate + LastGameTime);
        } catch (RecordStoreNotOpenException ex) {
            ex.printStackTrace();
        } catch (InvalidRecordIDException ex) {
            ex.printStackTrace();
        } catch (RecordStoreException ex) {
            ex.printStackTrace();
        }
    }
   
    public static boolean Save(int Score)
    {
        if (rs==null)
        {
            Open();
        }
        if(Score>MaxScore)
        {
            try {
                MaxScore = Score;
                LastDate = MaxScore + "";
                Data = LastDate.getBytes();
                rs.setRecord(1, Data, 0, Data.length);
                LastDate = MyDate.toString() + "";
                Data = LastDate.getBytes();
                rs.setRecord(2, Data, 0, Data.length);
                //LastDate = LastGameTime + "";
                //Data = LastDate.getBytes();
                //rs.setRecord(3, Data, 0, Data.length);
            } catch (RecordStoreNotOpenException ex) {
                ex.printStackTrace();
            } catch (InvalidRecordIDException ex) {
                ex.printStackTrace();
            } catch (RecordStoreException ex) {
                ex.printStackTrace();
            }
            return true;
        }
        return false;
    }
    
    public static void Close()
    {
        if (rs==null)
        {
            return;
        }
        try {
                LastDate = LastGameTime + "";
                Data = LastDate.getBytes();
                rs.setRecord(3, Data, 0, Data.length);
                
                rs.closeRecordStore();
            } catch (RecordStoreNotOpenException ex) {
                ex.printStackTrace();
            } catch (InvalidRecordIDException ex) {
                ex.printStackTrace();
            } catch (RecordStoreException ex) {
                ex.printStackTrace();
            }
            
    }
   
    public static String ToString()
    {
        if (rs==null)
        {
            Open();
            //Save(1000);
        }
        Read();
        String tmp="";
        tmp="180秒比赛最佳成绩："+ MaxScore +"\n创造于："+ MyDate.toString();
        return tmp;
    }
}