rmsutil.java

用java编写的魔塔小游戏,经过应用很实用,运行良好

import javax.microedition.rms.*;

public class RMSUtil
{
	private String rmsName;
	private RecordStore recordStore;
	
	public RMSUtil(String rmsName)
	{
		this.rmsName = rmsName;
	}
	
	public boolean isFirstPlay()
	{
		boolean result = true;
		try{
			recordStore = RecordStore.openRecordStore(rmsName,true);
			if(recordStore.getNumRecords() > 0){
				result = false;
			}
			recordStore.closeRecordStore();
		}catch(Exception e){
			System.out.println(rmsName +" isFirstPlay()::"+ e);
		}
		return result;
	}
	
	public RecordStore open()
	{
    	try {
      		recordStore = RecordStore.openRecordStore(rmsName,true);
      		
    	} catch (Exception e) {
      			System.out.println(rmsName+" open error::"+e);
    		}
    	return recordStore;
  	}
  	
    public void close()
    {
    	if (recordStore != null) {
      		try {
        		recordStore.closeRecordStore();
      		} catch(Exception e) {
      			System.out.println(rmsName+" close error::"+e);
      		}
    	}
  	}
  	
  	public RecordStore getRecordStore(){return recordStore;}
  	
}