?? updateuserdatascreen.java
字號:
import javax.microedition.io.*;
import java.io.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class UpdateUserDataScreen extends Form implements CommandListener
{
private static Displayable instance ;
synchronized public static Displayable getInstance()
{
if(instance == null)
instance = new UpdateUserDataScreen() ;
return instance ;
}
private TextField id ;
private TextField pw ;
private TextField ds ;
private UpdateUserDataScreen()
{
super("增加用戶") ;
id = new TextField("代號(最多8個字)","",8,TextField.ANY) ;
append(id) ;
pw = new TextField("密碼(最多8個字)","",8,TextField.PASSWORD) ;
append(pw) ;
ds = new TextField("描述(最多20個字)","",20,TextField.ANY) ;
append(ds) ;
addCommand(new Command("回主功能",Command.BACK,1)) ;
addCommand(new Command("更新",Command.SCREEN,1)) ;
setCommandListener(this) ;
}
public void commandAction(Command c,Displayable s)
{
String cmd = c.getLabel() ;
if(cmd.equals("更新"))
{
String url = Navigator.midlet.getAppProperty("midletuserdataupdateurl") ;
UpdateUserDataThread t = new UpdateUserDataThread(url,id.getString(),pw.getString(),ds.getString()) ;
t.start() ;
}else
{
Navigator.flow(cmd) ;
}
}
}
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