[field:senddate runphp='yes']  
$ntime = time(); 
$oneday = 3600 * 24; 
$twoday = 3600 * 48; 
$threeday = 3600 * 72; 
if(($ntime - @me) < $oneday) @me = "今天"; 
elseif(($ntime - @me) < $twoday) @me = "昨天"; 
elseif(($ntime - @me) < $threeday) @me = "前天"; 
else 
@me=MyDate('m-d',@me); 
[/field:senddate]  
[field:senddate function=MyDate('H:s',@me)/]