/*时间转换函数*/

function tranTime($stime) {

$rtime = date("m-d H:i",$stime);

$htime = date("H:i",$stime);

$day_time = date("j",$stime);

$today=date("j",time());

$ds = $today - $day_time;

$time = time() - $stime;

if ($time < 60) {

$str = '刚刚';

}

elseif ($time < 60 * 60) {

$min = floor($time/60);

$str = $min.'分钟前 '.$htime;

}

elseif ($time < 60 * 60 * 24) {

$h = floor($time/(60*60));

$str = $h.'小时前 '.$htime;

if($ds==1)

  $str = '昨天 '.$rtime;

}

elseif ($time < 60 * 60 * 24 * 2) {

$str = '昨天 '.$rtime;

if($ds==2)

   $str = '前天 '.$rtime;

}elseif($time < 60 * 60 * 24 * 3){

$str = '前天 '.$rtime;

if($ds>2)

   $str = $rtime;

}

    else {

$str = $rtime;

}

return $str;

}