private static final ThreadLocal
    
      simpleDateFormatThreadLocal = new ThreadLocal
     
      () {        protected SimpleDateFormat initialValue() {            return new SimpleDateFormat("dd/MM/yyyy");        }    };    public String formatDate(Date input) {        if (input == null) {            return null;        }        return simpleDateFormatThreadLocal.get().format(input);    }    public Date parseDate(String input) throws ParseException {        if (input == null) {            return null;        }        return simpleDateFormatThreadLocal.get().parse(input);    }
     
    

// 或者用jodd.time中的方法

// 或者用jodd.time中的方法// synchronized dateTimeFormatval sdf1: DateTimeFormatter = DateTimeFormat.forPattern("yyyy-MM-dd")// val sdf1 = new SimpleDateFormat("yyyy-MM-dd")// val sdf2 = new SimpleDateFormat("yyyyMMdd")val dateOfDay: DateTime = sdf1.parseDateTime(jMap("localtime"))// val dateDay = sdf2.format(sdf1.parse(jMap("localtime")))val dateDay = dateOfDay.toDate