rmsope.java

能添加删除通讯录

package AdressList;

import java.util.Vector;

import javax.microedition.rms.RecordEnumeration;
import javax.microedition.rms.RecordStore;

public class RMSOpe {
	private String storeName;
	private RecordStore rs;
	public RMSOpe(String storeName){
		this.storeName = storeName;
	}
	public void openRecordStore(){//打开记录集
		try{
			rs = RecordStore.openRecordStore(storeName, true);
		}catch(Exception ex){
			ex.printStackTrace();
		}
	}
	public void addPhone(String name,String phone){//添加电话
		String info = name + ":" + phone;
		byte[] b = info.getBytes();
		try{
			rs.addRecord(b, 0, b.length);
		}catch(Exception ex){
			ex.printStackTrace();
		}
	}
	public void deletePhone(String str){//删除电话
		int lastId = 0;
		try{
			lastId = rs.getNextRecordID();
		}catch(Exception ex){
			ex.printStackTrace();
		}
		for(int i=1;i<lastId;i++){
			try{
				byte[] b = rs.getRecord(i);
				String recordStr = new String(b);
				if(recordStr.equals(str)){
					rs.deleteRecord(i);
				}
			}catch(Exception ex){}
		}
	}
	public Vector getAllPhone(){//得到所有电话
		Vector v = new Vector();
		try{
			RecordEnumeration re = rs.enumerateRecords(null,null,false);
			while(re.hasNextElement()){
				v.addElement(new String(re.nextRecord()));
			}
		}catch(Exception ex){
			ex.printStackTrace();
			}
		return v;
	}
	public void closeRecordStore(){//关闭记录集
		try{
			rs.closeRecordStore();
		}catch(Exception ex){}
		
	}
}