addressbookmidlet.java~101~

手机通信录程序使用JBuilder2006开发

 void editScreen(){
       ui_form=new Form("修改");
        wordedit=new TextField("单词","",50,TextField.ANY);
        ui_form.append(wordedit);
        meanedit=new TextField("新意思","",50,0);
        ui_form.append(meanedit);
        ui_form.addCommand(edit);
        ui_form.addCommand(mainmenu);
        ui_form.addCommand(quit);
        ui_form.setCommandListener(this);
        display.setCurrent(ui_form);
 }
 //删除词汇表界面
 void deleteScreen(){
   ui_form=new Form("删除");
   word=new TextField("单词","",50,0);
   ui_form.append(word);
   ui_form.addCommand(delete);
   ui_form.addCommand(mainmenu);
   ui_form.addCommand(quit);
   ui_form.setCommandListener(this);
   display.setCurrent(ui_form);
 }

 //浏览词汇表界面
 void seeScreen(){
 address_see();
 }
 //根据浏览词汇表的首字母界面
 void address_see(){

    items=new List("首字母列表",List.IMPLICIT);

    try {
         for(int i=0;i<26;i++){
         char c='a';
          c+=i;
        items.append(String.valueOf(c),null);
    }

    } catch (Exception e) {
    }
     display.setCurrent(items);
     items.addCommand(show);
     items.addCommand(mainmenu);
     items.setCommandListener(this);
  }
  //显示字母表记录

void  inword_show(String init_item){
       String temp="";
       String mean_str;
       String  word_str;
       String item;
       try{
         RecordEnumeration re = recordStore.enumerateRecords(null, null, false);
         ui_form = new Form("详细信息");
         while (re.hasNextElement()) {
           String name1 = new String(re.nextRecord());
           item = name1.substring(name1.indexOf("?")+1);
           if (item.equals(init_item)) {
             word_str = name1.substring(0, name1.indexOf("#"));
             mean_str = name1.substring(name1.indexOf("#") + 1,name1.indexOf("?"));
             temp = temp +"  单词:" + word_str + "   中文意思:" + mean_str +"\n";
           }
         }
       }catch(Exception e){
                            word_str ="";
                       }

           ui_form.append(temp);
           ui_form.addCommand(quit);
           ui_form.addCommand(opermenu);
           ui_form.addCommand(showback);
           ui_form.setCommandListener(this);
           display.setCurrent(ui_form);


}


 //添加记录
  void rec_add(String wordstr,String meanstr){
    char[] a=wordstr.toCharArray();
    String init=String.valueOf(a[0]);
    String data=wordstr+"#"+meanstr+"?"+init;
    System.out.print(data);
    try{
           byte[] b=data.getBytes();
           recordStore.addRecord(b,0,b.length);
           ui_form=new Form("添加成功");
           ui_form.append("成功添加一条记录");
           ui_form.addCommand(quit);
           ui_form.addCommand(opermenu);
           ui_form.addCommand(addnowback);
           ui_form.setCommandListener(this);
           display.setCurrent(ui_form);
       }catch(RecordStoreException rse){
           rse.printStackTrace();
       }
  }

  //查询记录
  void rec_search(String wordstr){
       String temp="";
       String mean_str;
       String word_str;
       String check_word;
       int size=wordstr.length();

       try{
           RecordEnumeration re=recordStore.enumerateRecords(null,null,false);
           ui_form=new Form("查询结果");
            while(re.hasNextElement()){
               String str=new String(re.nextRecord());
               try{
                   word_str=str.substring(0,str.indexOf("#"));
              }catch(Exception ef){
                   word_str="请检查单词是否拼写正确！";
                   ef.printStackTrace();
               }
               if(word_str.length()>=size){
                   check_word=word_str.substring(0,size);
                   if(check_word.equals(wordstr)){
                       try{
                         mean_str=str.substring(str.indexOf("#")+1,str.indexOf("?"));
                       }catch(Exception e){
                           mean_str="";
                      }
                       temp=mean_str;
                   }
               }
           }
           if(temp.equals("")){
               temp="没有找到此记录......";
           }
           ui_form.append(temp);
           ui_form.addCommand(quit);
           ui_form.addCommand(opermenu);
           ui_form.addCommand(searchback);
           ui_form.setCommandListener(this);
           display.setCurrent(ui_form);

       }catch(RecordStoreNotOpenException rsnoe){
           rsnoe.printStackTrace();
       }catch(InvalidRecordIDException irid){
           irid.printStackTrace();
       }catch(RecordStoreException rse){
           rse.printStackTrace();
       }

   }
   //修改词汇记录
void rec_edit(String wordstr,String meanstr){
       int id=1;
       int edit_id=0;
       String word_str;
       String temp="error";
       try{
           RecordEnumeration re=recordStore.enumerateRecords(null,null,false);
           ui_form=new Form("修改");
           while(re.hasNextElement()){
               id=re.nextRecordId();
               String word1=new String(recordStore.getRecord(id));
               try{
                  word_str=word1.substring(0,word1.indexOf("#"));
               }catch(Exception ef){
                  word_str="请检查单词拼写是否正确";
               }
               if(word_str.equals(wordstr)){
                   edit_id=id;
               }
           }
           if(edit_id!=0){
               String data=wordstr+"#"+meanstr;
               byte[] b_data=data.getBytes();
               recordStore.setRecord(edit_id,b_data,0,b_data.length);
               temp="成功修改一条记录";
           }else{
               temp="要修改的记录不在词汇表内！";
           }


       }catch(Exception e){
           e.printStackTrace();
       }
       ui_form.append(temp);
       ui_form.addCommand(quit);
       ui_form.addCommand(opermenu);
       ui_form.addCommand(editback);
       ui_form.setCommandListener(this);
       display.setCurrent(ui_form);

   }
//删除词汇记录
void rec_delete(String wordstr){
       String temp="";
       String word_str;
       int id;
       int del_id=0;

       try{
           RecordEnumeration re=recordStore.enumerateRecords(null,null,false);
           ui_form=new Form("删除结果");

           while(re.hasNextElement()){
               id=re.nextRecordId();
               String word1=new String(recordStore.getRecord(id));
               try{
                   word_str=word1.substring(0,word1.indexOf("#"));
               }catch(Exception ef){
                   word_str="请检查单词拼写是否正确！";
               }
               if(word_str.equals(wordstr)){
                   del_id=id;
               }
           }
           if(del_id!=0){
               recordStore.deleteRecord(del_id);
               temp="成功删除该单词！";
           }else{
               temp="所指定的记录不在词汇表内！";
           }
       }catch(Exception e){
       }
       ui_form.append(temp);
       ui_form.addCommand(quit);
       ui_form.addCommand(opermenu);
       ui_form.addCommand(deleteback);
       ui_form.setCommandListener(this);
       display.setCurrent(ui_form);

}



 //关闭记录存储
   public void close()throws RecordStoreNotOpenException,RecordStoreException{
       recordStore.closeRecordStore();
   }


}