changel的作用是調(diào)用網(wǎng)站欄目，根據(jù)row這個屬性可以自定義調(diào)出欄目個數(shù)。但在有的頻道頁面需要調(diào)用一些指定ID幾到幾的一些欄目?？赡苡幸恍┤讼胫苯訉㈡溄訉懰涝谀０胬?。后來覺得這樣對程序的擴展性不是很好?？蛻羰遣欢绦虻?，你不能指望他也會修改模版。于是就有了做這樣一個小功能的想法。
在原來的dede:channel基礎(chǔ)上增加了一個limit屬性。 limit是起點，row是條數(shù)
-
{dede:channel type='son' limit='2' typeid='1' reid='1' row='10' "
-
-
<a href='~typelink~' class='thisclass'>~typename~</a> |"}
-
-
<a href="[field:typelink/]">
-
-
<span class="aaa">[field:typename/]</span>
-
-
</a>
-
-
{/dede:channel}
將以下的代碼復(fù)制到--網(wǎng)站域名/include/taglib/channel.lib.php中進(jìn)行覆蓋：
-
function lib_channel(&$ctag,&$refObj)
-
{
-
global $dsql;
-
-
$attlist = "typeid|0,reid|0,row|100,col|1,type|son,currentstyle|,cacheid|,limit|0";
-
FillAttsDefault($ctag->CAttribute->Items,$attlist);
-
extract($ctag->CAttribute->Items, EXTR_SKIP);
-
$innertext = $ctag->GetInnerText();
-
$line = emptyempty($row) ? 100 : $row;
-
-
$likeType = '';
-
//讀取固定的緩存塊
-
$cacheid = trim($cacheid);
-
if($cacheid !='') {
-
$likeType = GetCacheBlock($cacheid);
-
if($likeType != '') return $likeType;
-
}
-
-
$reid = 0;
-
$topid = 0;
-
//如果屬性里沒指定欄目id，從引用類里獲取欄目信息
-
if(emptyempty($typeid))
-
{
-
if( isset($refObj->TypeLink->TypeInfos['id']) )
-
{
-
$typeid = $refObj->TypeLink->TypeInfos['id'];
-
$reid = $refObj->TypeLink->TypeInfos['reid'];
-
$topid = $refObj->TypeLink->TypeInfos['topid'];
-
}
-
else {
-
$typeid = 0;
-
}
-
}
-
//如果指定了欄目id，從數(shù)據(jù)庫獲取欄目信息
-
else
-
{
-
$row2 = $dsql->GetOne("Select * From `dede_arctype` where id='$typeid' ");
-
$typeid = $row2['id'];
-
$reid = $row2['reid'];
-
$topid = $row2['topid'];
-
$issetInfos = true;
-
}
-
-
if($type=='' || $type=='sun') $type='son';
-
if($innertext=='') $innertext = GetSysTemplets("channel_list.htm");
-
-
if($type=='top')
-
{
-
$sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath
-
From `dede_arctype` where reid=0 And ishidden<>1 order by sortrank asc limit $limit, $line ";
-
}
-
else if($type=='son')
-
{
-
if($typeid==0) return '';
-
$sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath From `dede_arctype` where reid='$typeid' And ishidden<>1 order by sortrank asc limit $limit, $line ";
-
}
-
else if($type=='self')
-
{
-
if($reid==0) return '';
-
$sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath From `dede_arctype` where reid='$reid' And ishidden<>1 order by sortrank asc limit $limit, $line ";
-
}
-
//And id<>'$typeid'
-
$needRel = false;
-
$dtp2 = new DedeTagParse();
-
$dtp2->SetNameSpace('field','[',']');
-
$dtp2->LoadSource($innertext);
-
//檢查是否有子欄目，并返回rel提示（用于二級菜單）
-
if(ereg(':rel', $innertext)) $needRel = true;
-
-
if(emptyempty($sql)) return '';
-
$dsql->SetQuery($sql);
-
$dsql->Execute();
-
-
$totalRow = $dsql->GetTotalRow();
-
//如果用子欄目模式，當(dāng)沒有子欄目時顯示同級欄目
-
if($type=='son' && $reid!=0 && $totalRow==0)
-
{
-
$sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath From `dede_arctype` where reid='$reid' And ishidden<>1 order by sortrank asc limit $limit, $line ";
-
$dsql->SetQuery($sql);
-
$dsql->Execute();
-
}
-
$GLOBALS['autoindex'] = 0;
-
for($i=0;$i < $line;$i++)
-
{
-
if($col>1) $likeType .= "<dl> ";
-
for($j=0; $j<$col; $j++)
-
{
-
if($col>1) $likeType .= "<dd> ";
-
if($row=$dsql->GetArray())
-
{
-
$row['sonids'] = $row['rel'] = '';
-
if($needRel)
-
{
-
$row['sonids'] = GetSonIds($row['id'], 0, false);
-
if($row['sonids']=='') $row['rel'] = '';
-
else $row['rel'] = " rel='dropmenu{$row['id']}'";
-
}
-
//處理同級欄目中，當(dāng)前欄目的樣式
-
if( ($row['id']==$typeid || ($topid==$row['id'] && $type=='top') ) && $currentstyle!='' )
-
{
-
$linkOkstr = $currentstyle;
-
$row['typelink'] = GetOneTypeUrlA($row);
-
$linkOkstr = str_replace("~rel~",$row['rel'],$linkOkstr);
-
$linkOkstr = str_replace("~id~",$row['id'],$linkOkstr);
-
$linkOkstr = str_replace("~typelink~",$row['typelink'],$linkOkstr);
-
$linkOkstr = str_replace("~typename~",$row['typename'],$linkOkstr);
-
$likeType .= $linkOkstr;
-
}
-
else
-
{
-
$row['typelink'] = $row['typeurl'] = GetOneTypeUrlA($row);
-
if(is_array($dtp2->CTags))
-
{
-
foreach($dtp2->CTags as $tagid=>$ctag)
-
{
-
if(isset($row[$ctag->GetName()])) $dtp2->Assign($tagid,$row[$ctag->GetName()]);
-
}
-
}
-
$likeType .= $dtp2->GetResult();
-
}
-
}
-
if($col>1) $likeType .= "</dd> ";
-
$GLOBALS['autoindex']++;
-
}
-
//Loop Col
-
if($col>1)
-
{
-
$i += $col - 1;
-
$likeType .= " </dl> ";
-
}
-
}
-
//Loop for $i
-
$dsql->FreeResult();
-
if($cacheid !='') {
-
WriteCacheBlock($cacheid, $likeType);
-
}
-
return $likeType;
-
}
