Date和String转换

import java.text.ParseException;
import java.util.Calendar;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.apache.commons.lang3.time.DateUtils;
/**
 *
 * @author zxf
 */
public class JavaApplication1 {

    private static final String DATE_FORMAT = "yyyy-MM-dd‘ ‘HH:mm:ss";
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws ParseException {
        String time = DateFormatUtils.format(Calendar.getInstance(), DATE_FORMAT);
        System.out.println(time);
        Calendar o = DateUtils.toCalendar(DateUtils.parseDate(time, DATE_FORMAT));
        System.out.println(o);
    }
    
}