Date格式轉格林尼治時間 （yyyy-MM-dd HH:mm:ss ===》yyyy-MM-dd'T'HH:mm:ss.SSSXXX）

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

public class Time {
	public static void main(String[] args) {
		try {
			dealDateFormat("2018-08-08 09:10:23");
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	public static String dealDateFormat(String oldDateStr) throws ParseException {
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date  date = df.parse(oldDateStr);
        SimpleDateFormat df1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);
        Date date1 =  df1.parse(date.toString());
        DateFormat df2 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
        System.out.println(df2.format(date1));
        return df2.format(date1);
	}
}