android本地時間轉成轉成格林威治時間 java本地時間轉成轉成格林威治時間
阿新 • • 發佈：2019-01-11
/***
* 轉成格林威治時間
*
* @param LocalDate 2015-03-23 12:12:12
* @return
*/
private String LocalToGTM("2015-03-23 12:12:12") {
SimpleDateFormat format;
format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ENGLISH);
Date result_date;
long result_time = 0;
if (null == LocalDate) {
return LocalDate;
} else {
try {
format.setTimeZone(TimeZone.getDefault());
result_date = format.parse(LocalDate);
result_time = result_date.getTime();
format.setTimeZone(TimeZone.getTimeZone("GMT00:00"));
return format.format(result_time);
} catch (Exception e) {
e.printStackTrace();
}
}
return LocalDate;
}
* 轉成格林威治時間
*
* @param LocalDate 2015-03-23 12:12:12
* @return
*/
private String LocalToGTM("2015-03-23 12:12:12") {
SimpleDateFormat format;
format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ENGLISH);
Date result_date;
long result_time = 0;
if (null == LocalDate) {
return LocalDate;
} else {
try {
format.setTimeZone(TimeZone.getDefault());
result_date = format.parse(LocalDate);
result_time = result_date.getTime();
format.setTimeZone(TimeZone.getTimeZone("GMT00:00"));
return format.format(result_time);
} catch (Exception e) {
e.printStackTrace();
}
}
return LocalDate;
}