relativalliterature.java

在手机上 可以 存取数据 删除 数据 一个简单的手机应用

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import javax.microedition.rms.RecordEnumeration;
import javax.microedition.rms.RecordFilter;
import javax.microedition.rms.RecordStore;

public class RelativalLiterature extends Form implements CommandListener{
    private DataSave dataSave;
   private Displayable displayable; 
   private Container container;
   private MIDlet midlet;
   private Display display;
   
   private MyCommand myc;
   
   private StringItem si;
   
    private String relativalLiteratureContainer;
    private String relativalLiteratureID;
      private RecordEnumeration re = null;
    private RecordStore rs = null;
   
   public RelativalLiterature(MIDlet midlet,Displayable parent,Container container,DataSave dataSave) {
       super("");
        this.displayable=parent;
        this.midlet=midlet;
        this.container=container;
        this.display=Display.getDisplay(midlet);
        si=new StringItem("相关文献","");
        this.append(si);
       myc=new MyCommand();
        this.addCommand(myc.getBack());
        setCommandListener(this);
        this.dataSave=dataSave;
    }

   public RelativalLiterature(String relativalLiteratureContainer,String relativalLiteratureID ){
       super("相关文献");
       this.relativalLiteratureContainer=relativalLiteratureContainer;
       this. relativalLiteratureID= relativalLiteratureID;
       
   }
   
   public void commandAction(Command c ,Displayable d){
       if(c==myc.getBack()){
           display.setCurrent(displayable);
       }
       else if(c==myc.getDisplay()){
       // readMeetRecollect(); 
      
       }
   }
   /*处理方法类似与meetNotice
  private  void readMeetRecollect(){
    	// 下边的程序是FindRecord.java类的一段程序
			//获取广告的ID，tf的作用
			RecordFilter rf = new FindFilter(relativalLiteratureID);
                        RecordEnumeration re = null;
                        try {
                            re = rs.enumerateRecords(rf, null, false);
                        } catch (Exception e) {
                        }
                        //查找成功
                        if (re.numRecords() > 0) {
                           // BookAccount account = null;
                            Container container=null;
                            int recordID;
                            try {
                                byte[] rec;
                                recordID = re.nextRecordId();
                                rec = rs.getRecord(recordID);
                             
                                container=Container.deserializeRelativalLiterature(rec);//
                              
                                StringItem adContain=new StringItem("广告内容",container.getRelativalLiteratureContent());//
                               
                                
                                adContain.setLayout(Item.LAYOUT_NEWLINE_AFTER);
                             
                                
                             append(adContain);
                               
                                container = null;
                                re.destroy();
                                
                            } catch (Exception e) {
                                container = null;
                                
                            }
                        }
		}
    */
}