[英]how to convert from timezone 'fromTZ' to 'toTZ' using string fromTZ date?
How do I convert a datestring to a long? 如何将日期字符串转换为long? I expect the method signature will be public static long convert2(String dateStr,TimeZone fromTz, TimeZone toTz)
where dateStr
is in the format dd/MM/yyyy
. 我希望方法签名将是public static long convert2(String dateStr,TimeZone fromTz, TimeZone toTz)
,其中dateStr
的格式为dd/MM/yyyy
。
public static long convert2(String dateStr,TimeZone fromTz, TimeZone toTz)
// Format in which you are getting the date
DateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
// Set the formater to the timezone in which you are getting the date
formatter.setTimeZone(fromTz);
// Converting the string date to date
Date date = formatter.parse(dateStr);
// Prints the date in the from time zone timezone. Not required as per the quest. Just for info
System.out.println(formatter.format(date));
// Set the formatter to use a different timezone
formatter.setTimeZone(toTz);
// Prints the date in the to time zone timezone. Not required as per the quest. Just for info
System.out.println(formatter.format(date));
// converting the new Timzone date to long as that is what is required
long longDate = date.getTime();
// return the long date.
return longDate;
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