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为织梦dede:likearticle添加start channelid orderby等参数

来源: 编辑:admin 发布时间:2019-11-07热度:75 ℃
s中标签{dede:likearticle }{/dede:likearticle}默认不支持order by 和subway属性,因此对我们需要用此标签做自定义调用,比如用likearticle只调用点击高的文章,就实现不了,因此我们需要对该标...
dedecms中标签{dede:likearticle }{/dede:likearticle}默认不支持order by 和subway属性,因此对我们需要用此标签做自定义调用,比如用likearticle只调用点击高的文章,就实现不了,因此我们需要对该标签进行修改
源文件位置: include/taglib/likearticle.lib.php
1.orderby 属性
首先获得标签传递过来的orderby的属性值
$orderby=$ctag->GetAtt('orderby');
在源代码中有这样一组代码
if( empty($arcid) || $byabs==0 ) {
   $orderquery = " order by arc.id desc ";
}
else {
   $orderquery = " order by ABS(arc.id - ".$arcid.") ";
}
likearticle标签默认的排序方式。赋予标签orderby属性那么这段代码就没意义了,先在源码中注释掉这段代码
直接延用默认的order by 子句变量$orderquery,这样sql语句就不用做更改了。
创建新变量 orderquery='';//mysql 查询语句中的order by子句 初始为空
然后根据传递的值做相应的判断,在这里只做一些最常用的值的判断
根据$orderby的值做不同的orderby 查询
if($orderby=='hot' || $orderby=='click') $orderquery = " order by arc.click $orderWay";
else if($orderby == 'sortrank' || $orderby=='pubdate') $orderquery = " order by arc.sortrank $orderWay";
else if($orderby == 'id') $orderquery = " order by arc.id $orderWay";
else if($orderby == 'near') $orderquery = " order by ABS(arc.id - ".$arcid.")";
else if($orderby == 'lastpost') $orderquery = " order by arc.lastpost $orderWay";
else if($orderby == 'scores') $orderquery = " order by arc.scores $orderWay";
else if($orderby == 'rand') $orderquery = " order by rand()";
else if($orderby == 'weight') $orderquery = " order by arc.weight asc";//如果没有特定设置排序则按照权重先排序
else $orderquery = " order by arc.sortrank $orderWay";

ok这样就为likearticle标签增加了完整的order by 属性
2.subday属性(标签获取subday指定的最近几天的数据)
同样先获得subday 的属性值
$subday=$ctag->GetAtt('subday');
然后做时间差计算
if($subday > 0)
   {
    $ntime = gmmktime(0, 0, 0, gmdate('m'), gmdate('d'), gmdate('Y'));
    $limitday = $ntime - ($subday * 24 * 3600);
    $subdaysql = " and arc.senddate > $limitday ";
   }
然后在标签源码的两处sql查询语句中 增加$subdaysql子句判断
第一处为:
$query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,
           tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
            from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id
            where arc.arcrank>-1 and ($keyword) $typeid $orderquery limit 0, $row";
修改为:
$query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,
           tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
            from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id
            where arc.arcrank>-1 and ($keyword) $typeid $subdaysql $orderquery limit 0, $row";
第二处为:
$query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,
           tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
            from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id
           where arc.arcrank>-1 and $typeid $orderquery limit 0, $row";
修改为:
$query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,
           tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
            from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id
           where arc.arcrank>-1 and $typeid $subdaysql $orderquery limit 0, $row";
做完以上更改就为likearticle标签增加了subday属性
以下为修改完之后的likearticle.lib.php的完整代码(增加了 orderby 和 subday 属性)
修改之后完整文件:
>dede>>
相关文档
全局标记
V55,V56,V57
自动关连文档标签

{dede:likearticle row='' col='' titlelen='' infolen=''}
[field:title/]
{/dede:likearticle}


    col:分多少列显示(默认为单列) 
    row:返回文档列表总数
    titlelen:标题长度 等同于titlelength
    infolen:表示内容简介长度 等同于infolength
    mytypeid:手工指定要限定的栏目id,用,分开表示多个
    innertext:单条记录样式(指标签中间的内容)
 
>>dede>>*/ 
    
function lib_likearticle(&$ctag,&$refObj) 
{ 
    global $dsql; 
       
    //属性处理 
    $attlist="row|12,titlelen|28,infolen|150,col|1,tablewidth|100,mytypeid|0,byabs|0,imgwidth|120,imgheight|90,start|0,orderby|null,inword|*,channelid|*"; 
    FillAttsDefault($ctag->CAttribute->Items,$attlist); 
    extract($ctag->CAttribute->Items, EXTR_SKIP); 
    $revalue = ''; 
       
    if(empty($tablewidth)) $tablewidth = 100; 
    if(empty($col)) $col = 1; 
    $colWidth = ceil(100/$col); 
    $tablewidth = $tablewidth."%"; 
    $colWidth = $colWidth."%"; 
       
    $ids = array(); 
    $tids = array(); 
       
    if(!empty($refObj->Fields['tags'])) { 
        $keyword = $refObj->Fields['tags']; 
    } 
    else { 
        $keyword = ( !empty($refObj->Fields['keywords']) ? $refObj->Fields['keywords'] : '' ); 
    } 
       
    $typeid = ( !empty($mytypeid) ? $mytypeid : 0 ); 
    if(empty($typeid)) 
    { 
        if(!empty($refObj->Typelink->TypeInfos['reid'])) { 
             $typeid = $refObj->Typelink->TypeInfos['reid']; 
        } 
        else { 
             if(!empty($refObj->Fields['typeid'])) $typeid = $refObj->Fields['typeid']; 
        }                              
    }  
       
    if( !empty($typeid) && !preg_match('#,#', $typeid) ) { 
        $typeid = GetSonIds($typeid); 
    } 
       
    $limitRow = $row - count($ids); 
    $keyword = ''; 
    if (empty($refObj->Fields['keywords']) && (! empty($inword)) && ($inword !='*') ) 
    { 
       $refObj->Fields['keywords'] = $inword; 
    } 
    if(!empty($refObj->Fields['keywords'])) 
    { 
            $keywords = explode(',' , trim($refObj->Fields['keywords'])); 
            $keyword = ''; 
            $n = 1; 
            foreach($keywords as $k) 
            { 
                if($n > 3)  break; 
                    
                if(trim($k)=='') continue; 
                else $k = addslashes($k); 
                    
                $keyword .= ($keyword=='' ? " CONCAT(arc.keywords,' ',arc.title) LIKE '%$k%' " : " OR CONCAT(arc.keywords,' ',arc.title) LIKE '%$k%' "); 
                $n++; 
            } 
    } 
    $arcid = (!empty($refObj->Fields['id']) ? $refObj->Fields['aid'] : 0); 
    if( empty($arcid) || $byabs==0 ) 
    { 
       
        switch ($orderby) 
        {//只能使用指定的列名 
          case 'typeid': 
          case 'typeid2': 
          case 'sortrank': 
          case 'channel': 
          case 'arcrank': 
          case 'click': 
          case 'title': 
          case 'shorttitle': 
          case 'writer': 
          case 'pubdate': 
          case 'senddate': 
             
          case 'keywords': 
          case 'goodpost': 
          case 'badpost': 
          case 'notpost': 
            $orderby = 'arc.' . $orderby ;//连接,要允许使用连接表必须修改 
            break; 
          default: 
             $orderby = 'arc.id'; 
        } 
       
        $orderquery = " ORDER BY {$orderby} desc ";      
    } 
    else { 
        $orderquery = " ORDER BY ABS(arc.id - ".$arcid.") "; 
    } 
       
    $start = (empty($start)?0:$start); 
       
    $channel_id = ''; 
    //echo '
'.$channelid.'
'; if ( (!empty($channelid)) && preg_match("/^-?d+(,-?d+)*$/",$channelid) ) {//指定频道,必须是整数序列 $channel_id = " channel in($channelid) and "; }
if($keyword != '') { if(!empty($typeid)) { $typeid = " AND arc.typeid IN($typeid) AND arc.id<>$arcid "; } $query = "SELECT arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule, tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath FROM `dede_archives` arc LEFT JOIN `dede_arctype` tp ON arc.typeid=tp.id where $channel_id arc.arcrank>-1 AND ($keyword) $typeid $orderquery limit $start, $row"; } else { if(!empty($typeid)) { $typeid = " arc.typeid IN($typeid) AND arc.id<>$arcid "; } $query = "SELECT arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule, tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath FROM `dede_archives` arc LEFT JOIN `dede_arctype` tp ON arc.typeid=tp.id WHERE $channel_id arc.arcrank>-1 AND $typeid $orderquery limit $start,$row"; } // exit($query); $innertext = trim( $ctag->GetInnerText() ); if($innertext=='') $innertext = GetSysTemplets('part_arclist.htm'); $dsql->SetQuery($query); $dsql->Execute('al'); $artlist = ''; if($col > 1) { $artlist = "rn"; } $dtp2 = new DedeTagParse(); $dtp2->SetNameSpace('field', '[', ']'); $dtp2->LoadString($innertext); $GLOBALS['autoindex'] = 0; $line = $row; for($i=0; $i < $line; $i++) { if($col>1) $artlist .= "rn"; for($j=0; $j < $col; $j++) { if($col>1) $artlist .= " rn"; } //Loop Col if($col>1) $i += $col - 1; if($col>1) $artlist .= " rn"; } //loop line if($col>1) $artlist .= "
rn"; if($row = $dsql->GetArray("al")) { $ids[] = $row['id']; //处理一些特殊字段 $row['info'] = $row['infos'] = cn_substr($row['description'],$infolen); $row['id'] = $row['id']; if($row['corank'] > 0 && $row['arcrank']==0) { $row['arcrank'] = $row['corank']; } $row['filename'] = $row['arcurl'] = GetFileUrl($row['id'],$row['typeid'],$row['senddate'],$row['title'],$row['ismake'], $row['arcrank'],$row['namerule'],$row['typedir'],$row['money'],$row['filename'],$row['moresite'],$row['siteurl'],$row['sitepath']); $row['typeurl'] = GetTypeUrl($row['typeid'],$row['typedir'],$row['isdefault'],$row['defaultname'],$row['ispart'], $row['namerule2'],$row['moresite'],$row['siteurl'],$row['sitepath']); if($row['litpic'] == '-' || $row['litpic'] == '') { $row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif'; } if(!preg_match("#^http://#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') { $row['litpic'] = $GLOBALS['cfg_mainsite'].$row['litpic']; } $row['picname'] = $row['litpic']; $row['stime'] = GetDateMK($row['pubdate']); $row['typelink'] = "".$row['typename'].""; $row['image'] = "".preg_replace("#[<]#","",$row['title'])."'>"; $row['imglink'] = "".$row['image'].""; $row['fulltitle'] = $row['title']; $row['title'] = cn_substr($row['title'], $titlelen); if($row['color']!='') $row['title'] = "".$row['title'].""; if(preg_match('#b#', $row['flag'])) $row['title'] = "".$row['title'].""; $row['textlink'] = "".$row['title'].""; $row['plusurl'] = $row['phpurl'] = $GLOBALS['cfg_phpurl']; $row['memberurl'] = $GLOBALS['cfg_memberurl']; $row['templeturl'] = $GLOBALS['cfg_templeturl']; if(is_array($dtp2->CTags)) { foreach($dtp2->CTags as $k=>$ctag) { if($ctag->GetName()=='array') { $dtp2->Assign($k,$row); } else { if(isset($row[$ctag->GetName()])) $dtp2->Assign($k,$row[$ctag->GetName()]); else $dtp2->Assign($k,''); } } $GLOBALS['autoindex']++; } $artlist .= $dtp2->GetResult()."rn"; } //if hasRow else { $artlist .= ''; } if($col>1) $artlist .= "
rn"; $dsql->FreeResult("al"); return $artlist; }
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