帝国cms列表页有缩略图显示缩略图无缩略图不显示缩略图判断语句

写法1：

$fr=$empire->fetch1("select infotags from {$dbtbpre}ecms_news_data_{$r[stb]} where id='$r[id]'");$infotags=$fr['infotags'];$r_tag=explode(",",$infotags);$tagstr=dp_InfoTag($r['classid'],$r['id'],'| ',5);for($i=0;$i<count($r_tag);$i ){if($r_tag[$i]){$tagslink=$public_r[newsurl]."e/tags/?tagname=".urlencode($r_tag[$i]);$tags.="<a href='$tagslink' target='_blank' rel='tag'>".$r_tag[$i]."</a>";}}$cl=$empire->fetch1("select classname from {$dbtbpre}enewsclass where classid='$r[classid]'");$classname=$cl['classname'];if($r['titlepic']!=''){$titlepic='<a href="[!--titleurl--]" class="pic"> <img class="lazy" src="[!--titlepic--]" alt="[!--oldtitle--]" title="[!--oldtitle--]" width="200" height="150"> </a>';}else{$titlepic='<a href="[!--titleurl--]" class="pic"> <img class="lazy" src="[!--news.url--]skin/ecms249/images/notimg.gif" alt="[!--oldtitle--]" title="[!--oldtitle--]" width="200" height="150"> </a>';}$listtemp='<li class="post_part clear"> '.$titlepic.'<div class="cont"><h3><a href="[!--titleurl--]" class="title">[!--title--]</a></h3><div class="info"> <span class="author"> <a href="[!--this.classlink--]" class="name">'.$classname.'</a> <span class="gap_point">•</span><span>[!--newstime--]</span> </span> </div><p class="summary">[!--smalltext--]... </p><div class="tag"> <i class="fa fa-tag"></i> '.$tagstr.' </div></div></li>';

写法2：

$fr=$empire->fetch1("select infotags from {$dbtbpre}ecms_news_data_{$r[stb]} where id='$r[id]'");$infotags=$fr['infotags'];$r_tag=explode(",",$infotags);for($i=0;$i<count($r_tag);$i ){if($r_tag[$i]){$tagslink=$public_r[newsurl]."e/tags/?tagname=".urlencode($r_tag[$i]);$tags.="<a href='$tagslink' target='_blank' rel='tag'>".$r_tag[$i]."</a>";}}$cl=$empire->fetch1("select classname from {$dbtbpre}enewsclass where classid='$r[classid]'");$classname=$cl['classname'];if($r['titlepic']!=''){$titlepic='<li class="ls_list_li ts"><div class="li_l fl photo yj_10"><a href="[!--titleurl--]" class="l_img" target="_blank" title="[!--oldtitle--]"><img src="[!--titlepic--]" alt="[!--oldtitle--]"></a></div><div class="li_r fr"><h3><a href="[!--titleurl--]" class="f18 bt_a nobold chao" target="_blank" title="[!--oldtitle--]">'.DoTitleFont($r[titlefont],$r[title]).'</a></h3><p class="chao2 c9 f13 bj_mt15">[!--smalltext--]...</p><div class="div_b bj_mt15"><time class="c9 f12"><em class="cc f12">时间：</em>[!--newstime--]</time></div></div></li>';}else{$titlepic='<li class="ls_list_li list_li ts"><div class="li_r"><h3><a href="[!--titleurl--]" class="f18 bt_a chao nobold" target="_blank" title="[!--oldtitle--]">'.DoTitleFont($r[titlefont],$r[title]).'</a></h3><p class="chao2 c9 f13 bj_mt15">[!--smalltext--]...</p><div class="div_b bj_mt15"><time class="c9 f12"><em class="cc f12">时间：</em>[!--newstime--]</time></div></div></li>';}$listtemp=''.$titlepic.'';