public function gettime($time_s,$time_n){ $time_s = strtotime($time_s); $time_n = strtotime($time_n); $strtime = ''; $time = $time_n-$time_s; if($time >= 86400){ return $strtime = date('Y-m-d H:i:s',$time_s); } if($time >= 3600){ $strtime .= intval($time/3600).'小时'; $time = $time % 3600; }else{ $strtime .= ''; } if($time >= 60){ $strtime .= intval($time/60).'分钟'; $time = $time % 60; }else{ $strtime .= ''; } if($time > 0){ $strtime .= intval($time).'秒前'; }else{ $strtime = "时间错误"; } return $strtime; }