20201216T00 Java时间带T进行转换

        java.util.Calendar startTime = null;         java.util.Calendar endTime = null;          String taskTime = "20201216T00";          SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd'T'HH");          Date date = sdf.parse(taskTime);         Calendar startCalendar = Calendar.getInstance();         startCalendar.setTime(date);         System.out.println(date);          SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");         System.out.println("格林威治时间：" date);         String s=df.format(date);         System.out.println("格式化后的时间" s);          Date endDate =new java.util.Date();         Calendar endCalendar = Calendar.getInstance();         endCalendar.setTime(endDate);         endTime = endCalendar;         System.out.println(endTime);