关于java：你好Joda时间没有给我正确的结果

Hello Joda time is not giving correct results for me

本问题已经有最佳答案，请猛点这里访问。

无论我做什么都会得到错误的结果。有人能给我一些建议吗：)

我以前发布过这个问题，但是我没有得到任何答案，我很高兴地想要一个答案。

这是我的程序代码，负责获取两个日期之间的时间。

我得到了一个结果，但问题是它是不正确的，我很难找到问题。

我必须在我的项目中加入Joda图书馆。

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if (timerightnow.isSelected()) {
DateFormat getdate = new SimpleDateFormat("dd/MM/yy HH:mm:ss");
Date getdate1 = new Date();

String datenow = getdate1.toString();

String monthnow = datenow.substring(4, 7);
String daynow = datenow.substring(8,10);
String hournow = datenow.substring(11,19);
String yearnow = datenow.substring(25, 29);

if (monthnow.equalsIgnoreCase("jan"))
monthnow ="01";
if (monthnow.equalsIgnoreCase("feb"))
monthnow ="02";
if (monthnow.equalsIgnoreCase("mar"))
monthnow ="03";
if (monthnow.equalsIgnoreCase("apr"))
monthnow ="04";
if (monthnow.equalsIgnoreCase("may"))
monthnow ="05";
if (monthnow.equalsIgnoreCase("jun"))
monthnow ="06";
if (monthnow.equalsIgnoreCase("jul"))
monthnow ="07";
if (monthnow.equalsIgnoreCase("agu"))
monthnow ="08";
if (monthnow.equalsIgnoreCase("sep"))
monthnow ="09";
if (monthnow.equalsIgnoreCase("oct"))
monthnow ="10";
if (monthnow.equalsIgnoreCase("nov"))
monthnow ="11";
if (monthnow.equalsIgnoreCase("dec"))
monthnow ="12";

String timenow = monthnow +"/" + daynow +"/" + yearnow +"" + hournow;
String timetotext = timeto.getText();
SimpleDateFormat date = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");

Date datestart = null;
Date dateend = null;

try {

datestart = date.parse(timenow);
dateend = date.parse(timetotext);

DateTime datestartdaytime = new DateTime(datestart);
DateTime dateenddaytime = new DateTime(dateend);

JOptionPane.showMessageDialog(null, datestartdaytime +"
" + dateenddaytime);

int monthoutput = Months.monthsBetween(datestartdaytime, dateenddaytime).getMonths();
int daysoutput = Days.daysBetween(datestartdaytime, datestartdaytime).getDays() % 30;
int hoursoutput = Hours.hoursBetween(datestartdaytime, datestartdaytime).getHours() % 24;
int minutsoutput = Minutes.minutesBetween(datestartdaytime, dateenddaytime).getMinutes() % 60;
int secondsoutput = Seconds.secondsBetween(datestartdaytime, dateenddaytime).getSeconds() % 60;

answer.setText(monthoutput +"Months" + daysoutput +"Days" + hoursoutput +"Hours" + minutsoutput +"Minutes" + secondsoutput +"Seconds");

非常感谢：