计算两个日期之间的时间差、累计时长，精确到秒

来源：互联网发布：网络新技术概论编辑：程序博客网时间：2024/05/14 22:56

/* * 计算时间间隔，精确到秒，返回一个String */public String caculateDuration(Date beginDate, Date endDate) {Long beginDateLong = beginDate.getTime();// Date型转换成Long型毫秒数，用于计算Long endDateLong = endDate.getTime();Long durationLong = endDateLong - beginDateLong;long totalSeconds = durationLong / 1000;// 总共的秒数long secondsOfDay = 24 * 60 * 60;// 一天的秒数long secondsOfHour = 60 * 60; // 一小时的秒数long secondsOfMinute = 60; // 一分钟的秒数long days = totalSeconds / secondsOfDay;// 得到天数long hours = (totalSeconds % secondsOfDay) / secondsOfHour;// 余数中的小时个数long minutes = ((totalSeconds % secondsOfDay) % secondsOfHour) / secondsOfMinute; // 余数中的分钟数long seconds = totalSeconds % 60;// 余数中的秒数return days + "天" + hours + "小时" + minutes + "分" + seconds + "秒";}

调用：Date nowDate = new Date();//获取当前系统时间Date errorDate = errorRecord.getErrorDate();//获取故障发生时间String duration = otdrService.caculateDuration(errorDate, nowDate);//根据两个日期计算时差、累计时长

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