织梦如何按照软件下载次数排列

天外***

织梦的arclist标签可以按照文章点击次数、发布日期、得分等进行排序，今天有个客户需要按照软件下载次数进行排列，于是做了简单二次开发，首先找到include目录下面的taglib目录里的arclist.lib.php文件在376行后加入如下代码

1. if($orderby == 'down')
   
2. {
   
3.   $sql = "select SUM(downloads) as down_num,id from dede_downloads group by id ORDER BY down_num DESC LIMIT 0,15";
   
4.   $dsql->Execute('me',$sql);
   
5.   while($drow = $dsql->GetArray() )
   
6.   {
   
7.    $arr[] = $drow['id'];
   
8.   }
   
9.   $dstr = implode(",",$arr);
   
10.   if($orwhere!='')
    
11.   {
    
12.    $orwhere .= " AND arc.id in($dstr)";
    
13.   }else{
    
14.    $orwhere .= " where arc.id in($dstr)";
    
15.   }
    
16.   $ordersql = 'ORDER BY field(arc.id,'.$dstr.')';
    
17. }

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