java本地时间和utc 时间 的转换

   String utcTime = "2020-03-19 07:33:22";
       //时间转换成  本地时间
        String  timeZone = "UTC+8";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        sdf.setTimeZone(TimeZone.getTimeZone(timeZone));
        Date utcDate = null;
        try {
            utcDate = sdf.parse(utcTime);
        } catch (Exception e) {
            e.printStackTrace();
        }
        sdf.setTimeZone(TimeZone.getDefault());
        Date locatlDate = null;
        String localTime = sdf.format(utcDate.getTime());
        try {
            locatlDate = sdf.parse(localTime);
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println(locatlDate);

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