特殊时间格式 2020-06-11T22:05:05.250+08:00转化为String类型

public static String dealDateFormat(String oldDate) {
        Date date1 = null;
        DateFormat df2 = null;
        try {
            DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
            Date date = df.parse(oldDate);
            SimpleDateFormat df1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);
            date1 = df1.parse(date.toString());
            df2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        } catch (ParseException e) {

            e.printStackTrace();
        }
        return df2.format(date1);
    }