RMS的高级操作.docVIP

实验十四 RMS的高级操作 一、实验目的及任务 1、RMS的高级操作（记录集遍历，记录监听，记录过滤，排序功能） 二、实验环境 1、J2ME Wireless Tookit 2、任意一个java源代码开发工具，如Eclipse 三、实验步骤 1、仿照课本的电话簿案例制作一个简单的同学通信录。 同学信息包括：姓名，班级，出生年月，家庭住址，手机号码，Email，备注信息。 **************源代码*************** package ch2; import javax.microedition.midlet.*; import javax.microedition.lcdui.*; import javax.microedition.rms.*; import java.util.*; public class shiyan_14 extends MIDlet implements CommandListener, RecordComparator{ private String [] rmsRecord = new String [1000] ; private int recordLength = 0; Stack stack = new Stack(); //list 定义 private List list = new List(cnnBook, List.IMPLICIT); private Display display = null; private Command cmdck = new Command(查看, Command.OK, 1); private Command cmdadd = new Command(添加, Command.OK,1); private Command cmdupdate = new Command(修改, Command.OK,1); private Command cmddel = new Command(删除,Command.OK,1); private Command cmdexit = new Command(退出,Command.EXIT,1); private Command cmdserch = new Command(查询,Command.OK,1); //form定义 private Form form = new Form(form); private StringItem Fname = new StringItem(姓名,,StringItem.PLAIN); private StringItem Fmobile = new StringItem(手机,,StringItem.PLAIN); private StringItem Fbj = new StringItem(班级,,StringItem.PLAIN); private StringItem Femail = new StringItem(电子邮件,,StringItem.PLAIN); private StringItem Fny = new StringItem(出生年月,,StringItem.PLAIN); private StringItem Faddress = new StringItem(住址,,StringItem.PLAIN); private StringItem Fbz = new StringItem(备注信息,,StringItem.PLAIN); private Command formExit = new Command(退出,Command.EXIT,1); //添加界面定义 private Form frmadd = new Form(添加界面); private Command Cfnish = new Command(完成, Command.EXIT, 1); private TextField Cname= new TextField(姓名:,,12,TextField.ANY); private TextField Cmobile = new TextField(手机:,,12,TextField.ANY); private TextField Cbj = new TextField(班级:,,12,TextField.ANY); private TextField Cemail = new