织梦二次开发让上一篇下一篇标签自由可控地输出链接、标题、缩略图、时间，没有上一篇或者下一篇时不输出任何东西
教程
打开/include/arc.archives.class.php文件
找到
else if($ctag->GetName()=='fieldlist')制
在它上面加入
else if($ctag->GetName()=='prenextdiy')
{
$innertext = trim($ctag->GetInnerText());
if($innertext)
{
$get = $ctag->GetAtt('get');
$diys['diy'] = $this->GetPreNext('diy');
$revalue = '';
$dtp2 = new DedeTagParse();
$dtp2->SetNameSpace('field','[',']');
$dtp2->LoadSource($innertext);
foreach($diys as $row)
{
foreach($dtp2->CTags as $tid=>$ctag2)
{
if(isset($row[$get][$ctag2->GetName()]))
{
$dtp2->Assign($tid,$row[$get][$ctag2->GetName()]);
}
}
$revalue .= $dtp2->GetResult();
}
if($row[$get]['id']) $this->dtp->Assign($i,$revalue);
}
}
图
1
继续找到
$this->PreNext['pre'] = "上一篇：<a href='$mlink'>{$preRow['title']}</a> ";
在它上面加入
$preRow['litpic'] = (empty($preRow['litpic'])) ? $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif' : $preRow['litpic'];
$this->PreNext['diy']['pre']['id'] = $preRow['id'];
$this->PreNext['diy']['pre']['arcurl'] = $mlink;
$this->PreNext['diy']['pre']['title'] = $preRow['title'];
$this->PreNext['diy']['pre']['litpic'] = $preRow['litpic'];
$this->PreNext['diy']['pre']['pubdate'] = $preRow['senddate'];
图
2
继续找到
$this->PreNext['next'] = "下一篇：<a href='$mlink'>{$nextRow['title']}</a> ";
在它上面加入
$nextRow['litpic'] = (empty($nextRow['litpic'])) ? $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif' : $nextRow['litpic'];
$this->PreNext['diy']['next']['id'] = $nextRow['id'];
$this->PreNext['diy']['next']['arcurl'] = $mlink;
$this->PreNext['diy']['next']['title'] = $nextRow['title'];
$this->PreNext['diy']['next']['litpic'] = $nextRow['litpic'];
$this->PreNext['diy']['next']['pubdate'] = $nextRow['senddate'];
图
3
继续找到
if($gtype=='pre')
在它上面加入
if($gtype=='diy') { return $this->PreNext['diy']; }
图
4
上下篇调用标签
上一篇
{dede:prenextdiy get='pre'}
<li>
<a href="[field:arcurl/]"><img src="[field:litpic/]" width="50" height="50"></a>
<p><a href="[field:arcurl/]">[field:title/]</a><span>时间:[field:pubdate function="MyDate('Y-m-d',@me)"/]</span></p>
</li>
{/dede:prenextdiy}
下一篇
{dede:prenextdiy get='next'}
<li>
<a href="[field:arcurl/]"><img src="[field:litpic/]" width="50" height="50"></a>
<p><a href="[field:arcurl/]">[field:title/]</a><span>时间:[field:pubdate function="MyDate('Y-m-d',@me)"/]</span></p>
</li>
{/dede:prenextdiy}