1. 代码

private static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";    private static Date getStartTime() {        Calendar todayStart = Calendar.getInstance();        todayStart.set(Calendar.HOUR_OF_DAY, 0);        todayStart.set(Calendar.MINUTE, 0);        todayStart.set(Calendar.SECOND, 0);        todayStart.set(Calendar.MILLISECOND, 0);        return todayStart.getTime();    }    private static Date getEndTime() {        Calendar todayEnd = Calendar.getInstance();        todayEnd.set(Calendar.HOUR_OF_DAY, 23);        todayEnd.set(Calendar.MINUTE, 59);        todayEnd.set(Calendar.SECOND, 59);        todayEnd.set(Calendar.MILLISECOND, 999);        return todayEnd.getTime();    }

　　public static String getStartTimeStr(){ return new SimpleDateFormat(DATE_FORMAT).format(getStartTime()); } public static String getEndTimeStr(){ return new SimpleDateFormat(DATE_FORMAT).format(getEndTime()); }

 

2. 其他的joda框架好像也可以方便get到当日起止时间戳

 java自带日期也好使， Calendar.HOUR_OF_DAY要搞对，不然出现过了12点，结果从今日12时到明日12时