//计算时间差
public static String getDatePoor(Date beginDate,Date endDate){
long poor = (endDate.getTime()-beginDate.getTime())/1000;
long day = poor/(24*60*60);
long hour = poor/(60*60)-day*24;
long min = poor/60-day*24*60-hour*60;
long seconds = poor-day*24*60*60-hour*60*60-min*60;
if(day == 0 && hour == 0 && min == 0){
return seconds+"秒";
}
else if(day == 0 && hour == 0){
return min+"分"+seconds+"秒";
}
else if(day == 0){
return hour+"时"+min+"分"+seconds+"秒";
}
else{
return day+"天"+hour+"时"+min+"分"+seconds+"秒";
}
}