/**
* 把秒数转换为时分秒的格式
* @param Int $times 时间,单位 秒
* @return String
*/
function secToTime($times){
$result = '00:00:00';
if ($times>0) {
$hour = floor($times/3600);
$minute = floor(($times-3600 * $hour)/60);
$second = floor((($times-3600 * $hour) - 60 * $minute) % 60);
$result = $hour.':'.$minute.':'.$second;
}
return $result;
}