| 发表于：2007-05-21 20:56:29 楼主 |
我想写个手机号码归属地（离线查询）的软件，只是如何建立号码数据库的方法不懂。
我应该怎么输入庞大的号码数据呢？？
下面有两个程序，能否帮忙测试一下对不对？（我在eclipse里测试程序没什么错误，但是不懂如何实现这两个程序的交互）
如何对的话，我能否用第一个程序把数据都写入recordstore，然后用第二个程序进行查询呢？
刚学j2me，希望得到你的指导，谢谢！
送分50
****************************************************
import javax.microedition.midlet.midlet;
import javax.microedition.rms.*;
import java.io.*;
public class addemployee extends midlet {
recordstore rs=null;
public addemployee（){
}
public void startapp（) throws midletstatechangeexception{
try{
//打开新记录存储
rs=recordstore.openrecordstore（ "employeeinfp ", true);
//写入信息
writers（1300010, "北京 ", "北京 ");
writers（1300012, "天津 ", "天津 ");
writers（1300020, "上海 ", "上海 ");
writers（1365733, "湖南 ", "株洲 ");
writers（1365854, "贵州 ", "黔南州 ");
writers（1365909, "四川 ", "广安 ");
writers（1365960, "广西 ", "南宁 ");
writers（1366261, "广东 ", "深圳 ");
writers（1366361, "山西 ", "太原 ");
writers（1366399, "河南 ", "南洋 ");
writers（1366537, "山东 ", "济南 ");
}
catch（exception e){
system.out.println（e);
}
finally{
//关闭记录存储
try{
rs.closerecordstore（);
}
catch（exception e){
system.out.println（e);
}
}
}
public void pauseapp（){
}
public void destroyapp（boolean unconditional){
notifydestroyed（);
}
/**
*定义一个方法用于增加雇员信息
**/
public void writers（int num,string provice,string city){
try{
bytearrayoutputstream baos=new bytearrayoutputstream（);
dataoutputstream dos=new dataoutputstream（baos);
dos.writeint（num);
dos.writeutf（provice);
dos.writeutf（city);
//关闭流
baos.close（);
dos.close（);
byte rec[]=baos.tobytearray（);
try{
rs.addrecord（rec,0,rec.length);
}
catch（exception e){
system.out.println（e);
}
}
catch（ioexception ioe){
system.out.println（ioe);
}
}
}
*******************************************************
************************************************************************
import javax.microedition.midlet.midlet;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import java.io.*;
public class searchemployee extends midlet
implements commandlistener{
private display display;
private alert alert;
private form form;
private command start;
private command exit;
private textfield textfield;
private recordstore recordstore=null;
private recordenumeration recordenumeration=null;
private filter filter=null;
private searchemployee（){
display=display.getdisplay（this);
start=new command（ "start ",command.screen,1);
exit=new command（ "exit ",command.screen,1);
textfield=new textfield（ "number: ", " ",10,textfield.any);
form=new form（ "请输入要查询号码的前七位！ ");
form.addcommand（exit);
form.addcommand（start);
form.append（textfield);
form.setcommandlistener（this);
}
public void startapp（){
display.setcurrent（form);
}
public void pauseapp（){
}
public void destroyapp（boolean uncondition){
}
public void commandaction（command command,displayable displayable){
if（command==exit){
destroyapp（false);
notifydestroyed（);
}
else if（command==start){
try{
recordstore=recordstore.openrecordstore（ "employeeinfo ", true);
}
catch （exception error){
alert=new alert（ "error opening ",error.tostring（),null,alerttype.warning);
alert.settimeout（alert.forever);
display.setcurrent（alert);
}
try{
string inputstring;
byte[] byteinputdata=new byte[1000];
bytearrayinputstream inputstream=
new bytearrayinputstream（byteinputdata);
datainputstream inputdatastream=
new datainputstream（inputstream);
if（recordstore.getnumrecords（)> 0){
filter =new filter（textfield.getstring（));
recordenumeration=recordstore.enumeraterecords（filter, null, false);
while（recordenumeration.hasnextelement（)){
recordstore.getrecord（recordenumeration.nextrecordid（),byteinputdata,0);
inputstring=inputdatastream.readint（)+ " "+inputdatastream.readutf（)+ " "
+inputdatastream.readutf（);
alert=new alert（ "searching ",inputstring,null,alerttype.warning);
alert.settimeout（alert.forever);
display.setcurrent（alert);
}
}
inputstream.close（);
}
catch（exception error){
alert=new alert（ "error reanding ",error.tostring（),null,alerttype.warning);
alert.settimeout（alert.forever);
display.setcurrent（alert);
}
try{
recordstore.closerecordstore（);
}
catch（exception error){
alert=new alert（ "error closing ",error.tostring（),null,alerttype.warning);
alert.settimeout（alert.forever);
display.setcurrent（alert);
}
if（recordstore.listrecordstores（)!=null){
try{
recordstore.deleterecordstore（ "employeeinfo ");
filter.filterclose（);
recordenumeration.destroy（);
}
catch（exception error){
alert=new alert（ "error removing ",error.tostring（),null,alerttype.warning);
alert.settimeout（alert.forever);
display.setcurrent（alert);
}
}
}
}
class filter implements recordfilter{
private string search=null;
private bytearrayinputstream inputstream=null;
private datainputstream datainputstream=null;
public filter（string sertchcriteria){
search=sertchcriteria;
}
public boolean matches（byte[] suspect){
string string;
try{
inputstream=new bytearrayinputstream（suspect);
datainputstream=new datainputstream（inputstream);
string=datainputstream.readutf（);
}
catch（exception error){
return false;
}
if（string!=null && string.indexof（search)!=-1)
return true;
else
return false;
}
public void filterclose（){
try{
if（inputstream!=null){
inputstream.close（);
}
if（datainputstream!=null){
datainputstream.close（);
}
}
catch（exception e){
}
}
}
}
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