织梦判断栏目是否有栏目图片，如果没有的话就显示栏目名称

{dede:field.typeid runphp='yes'} 
$ID = @me; 
$sql = "SELECt * FROM `dede_arctype` WHERe id=$ID"; 
$query = mysql_query($sql); 
$row=mysql_fetch_array($query); 
$arcpic = "$row[arcpic]"; 
$typename = "$row[typename]"; 
if($arcpic == null) 
@me = ''.$typename.''; 
 else @me = '';  
{/dede:field.typeid}