public static void main(String[] args) {
dateDiff("2015-04-01 17:06:49", "2015-04-02 17:06:50",
"yyyy-MM-dd HH:mm:ss");
}
public static void dateDiff(String startTime, String endTime, String format) {
// 按照传入的格式生成一个simpledateformate对象
SimpleDateFormat sd = new SimpleDateFormat(format);
long nd = 1000 * 24 * 60 * 60;// 一天的毫秒数
long nh = 1000 * 60 * 60;// 一小时的毫秒数
long nm = 1000 * 60;// 一分钟的毫秒数
long ns = 1000;// 一秒钟的毫秒数long diff;try {
// 获得两个时间的毫秒时间差异
try {
long diff = sd.parse(endTime).getTime()
- sd.parse(startTime).getTime();
long day = diff / nd;// 计算差多少天
long hour = diff % nd / nh;// 计算差多少小时
long min = diff % nd % nh / nm;// 计算差多少分钟
long sec = diff % nd % nh % nm / ns;// 计算差多少秒//输出结果
System.out.println("时间相差：" + day + "天" + hour + "小时" + min + "分钟"
+ sec + "秒。");
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
