dedecms织梦怎样根据不同栏目显示不同的默认缩略图

  用过dedecms的都知道,当显示文章的时候,如果该文章没有添加缩略图,那么会显示系统默认的缩略图 /images/defaultpic.gif (dedecms无缩略图)

  如果我们需要根据不同栏目显示不同的无缩略图的话。就需要对标签函数做出修改。

  一般情况下显示分为动态和静态。(文件不同)

  一、动态:

  动态一般是在plus文件夹下显示。对应的文件是/plus/list.php和/include/arc.listview.class.php

  动态页里面的{dede:list 标签就要修改arc.listview.class.php文件,找到defaultpic.gif:

  在function GetArcList函数里:
if($row['litpic'] == '-' || $row['litpic'] == ''){
if($this->TypeID==121){
$row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/default_course.gif';
}else if($this->TypeID==48 || $this->TypeID==51 || $this->TypeID==52){
$row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/default_teacher.gif';
}else if($this->TypeID==122){
$row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/default_resume.gif';
}else{
$row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif';
}
}
  二、静态:

  找到/include/arc.archives.class.php

  在function ParAddTable函数里:
if($this->Fields['litpic'] == '-' || $this->Fields['litpic'] == ''){
if($this->Fields['channel']==6){ 
$this->Fields['litpic'] = $GLOBALS['cfg_cmspath'].'/images/default_course.gif';
}else{
if($this->Fields['typeid']==48 || $this->Fields['typeid']==51 || $this->Fields['typeid']==52){
$this->Fields['litpic'] = $GLOBALS['cfg_cmspath'].'/images/default_teacher.gif';
}else{
$this->Fields['litpic'] = $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif';
}
}
}
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