datefieldtest.java

微型JAVA人编写的J2ME教材! 中带的原代码!简单易懂

//DateFieldTest.java
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.* ;
public class DateFieldTest extends MIDlet implements ItemStateListener
{
	private Display display;
	public DateFieldTest()
	{
		display = Display.getDisplay(this);
	}
	public void startApp()
	{
		Form f = new Form("FormTest") ;
		Date now = new Date() ;
		DateField df =
			new DateField("DateField",DateField.DATE_TIME) ;
		df.setDate(now) ;
		f.append(df) ;
		df = new DateField("DateField",DateField.DATE) ;
		df.setDate(now);
		f.append(df);
		f.setItemStateListener(this) ;
		display.setCurrent(f) ;
	}
	public void pauseApp()
	{ }
	public void destroyApp(boolean unconditional)
	{ }
	public void itemStateChanged(Item item)
	{
		DateField tmp = (DateField)item ;
		Date date = tmp.getDate() ;
		Calendar c = Calendar.getInstance();
		c.setTime( date.getTime() );
		int y = c.get( Calendar.YEAR );
		int m = c.get( Calendar.MONTH );
		int d = c.get( Calendar.DAY );
		System.out.println( y +"-" + m + "-" + d) ;
	}
}