我是J2ME的新手，现在我必须解决一个J2ME项目
下面是我的登录表单我不知道该怎么做但它给了我错误“javax.microedition.io.ConnectionNotFoundException：TCP open”。在谷歌上搜索后，我得到了一些提示，我们必须在“OTA配置选项”上运行代码。
现在我不知道该怎么做。我有WTK的“CLDC版本2.5.2”。有人可以建议我吗？
package model;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import javax.microedition.rms.RecordEnumeration;
import javax.microedition.rms.RecordStore;
import view.Dialogs;
public class Login {
public static RecordStore rs; // Record store
static final String REC_STORE = "db_Login"; // Name of record store
static RecordEnumeration re;
private String login,password;
private int c;
public static String s1,s2,s3;
public Login()
{
if(LoginSrv.st1.equals("Invalid") && LoginSrv.st2.equals("User"))
{
System.out.println("Im from Invalid User");
new Dialogs();
}
else
{
login = LoginSrv.st1;
password = LoginSrv.st2;
c= LoginSrv.it1;
saveRecord();
}
}
public Login(String log,String pas, String ctr)
{
s1 = log;
s2 = pas;
s3 = ctr;
}
public void saveRecord()
{
try
{
rs = RecordStore.openRecordStore(REC_STORE, true );
re = rs.enumerateRecords(null, null, false);
ByteArrayOutputStream baosdata = new ByteArrayOutputStream();
DataOutputStream daosdata = new DataOutputStream(baosdata);
daosdata.writeUTF(login);
daosdata.writeUTF(password);
daosdata.writeInt(c);
byte[] record = baosdata.toByteArray();
rs.addRecord(record, 0, record.length);
System.out.println("Login record added");
}
catch(Exception e)
{
System.out.println("Im from model Login craete record"+e);
}
}
public static Login getRecord()
{
try
{
rs = RecordStore.openRecordStore(REC_STORE, true );
re = rs.enumerateRecords(null, null, false);
if(re.hasNextElement())
{
byte data[] = rs.getRecord(re.nextRecordId());
ByteArrayInputStream strmBytes = new ByteArrayInputStream(data);
DataInputStream strmDataType = new DataInputStream(strmBytes);
String log = strmDataType.readUTF();
String pass = strmDataType.readUTF();
String counter = strmDataType.readUTF();
return(new Login(log,pass,counter));
}
return null;
}
catch(Exception e)
{
System.out.println("Im from model Login loadRecord"+e);
return null;
}
}
}
----------------------- LoginSrv代码---------------------- -----------------
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package model;
import com.sun.lwuit.Dialog;
import controller.AppConstants;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
/**
*
* @author sandipp
*/
public class LoginSrv {
private ServCon srv;
public static String st1,st2,log,pas;
public static int it1;
public LoginSrv(String s1, String s2)
{
log = s1;
pas = s2;
it1=0;
try
{
ByteArrayOutputStream baosdata = new ByteArrayOutputStream();
DataOutputStream daosdata = new DataOutputStream(baosdata);
daosdata.writeUTF(s1);
daosdata.writeUTF(s2);
srv = new ServCon(new AppConstants().str1,null,baosdata.toByteArray(),false,false,null);
ByteArrayOutputStream obj = (ByteArrayOutputStream)srv.startTransfer();
byte[] record = obj.toByteArray();
ByteArrayInputStream instr = new ByteArrayInputStream(record);
DataInputStream indat = new DataInputStream(instr);
if(srv.getRc() == 200)
{
String su = indat.readUTF();
if(su.equals("successfull"))
{
st1 =indat.readUTF();
st2 =indat.readUTF();
}
else
{
Dialog.show("Error",su , null,Dialog.TYPE_INFO,null,5000);
}
}
else
{
Dialog.show("Error",srv.getRc() + " " + srv.getRm(), null,Dialog.TYPE_INFO,null,5000);
}
}
catch(Exception e)
{
System.out.println("Im from LoginSrv constructor:"+e);
}
}
}