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dedecms网站栏目增加缩略图的方法

2020-04-08 Dedecms 前端之家

前端之家收集整理的这篇文章主要介绍了dedecms网站栏目增加缩略图的方法，前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。

Dedecms/486.html" target="_blank">Dedecms 栏目增加缩略图功能的方法

文件如下（注意备份）：

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代码如下:

PHPcode16" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
dede/catalog_add.PHP　
dede/catalog_edit.PHP
dede/templets/catalog_add.htm
dede/templets/catalog_edit.htm

文件夹templets这个目录，在里面新建一个文件夹typeimg，用于独立存放栏目缩略图

后台执行sql（前缀默认为dede_ 具体前缀根据自己网站修改）：

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代码如下:

PHPcode17" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
alter table `dede_arctype` add `typeimg` char(100) NOT NULL default '';
打开dede/catalog_add.PHP

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代码如下:

PHPcode18" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
$queryTemplate = "insert into `dede_arctype`

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代码如下:

PHPcode19" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
(reid,topid,sortrank,typename,typedir,

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代码如下:

PHPcode20" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,typeimg,

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代码如下:

PHPcode21" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
('~reid~','~topid~','~rank~','~typename~','~typedir~',sans-serif;line-height:25px;white-space:normal;">

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代码如下:

PHPcode22" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,'~typeimg~',sans-serif;font-size:14px;white-space:normal;background-color:#F7FCFF;"> 打开dede/catalog_edit.PHP

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代码如下:

PHPcode23" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
$upquery = "Update `dede_arctype` set

复制代码代码如下:

PHPcode24" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
`typeimg`='$typeimg',sans-serif;font-size:14px;white-space:normal;background-color:#F7FCFF;"> 打开dede/templets/catalog_add.htm 查找

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代码如下:

PHPcode25" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">

增加以下内容

复制代码代码如下:

PHPcode26" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
图片：

(栏目模板里用{dede:field.typeimg /}调用)

复制代码代码如下:

PHPcode27" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">

内容：

复制代码代码如下:

PHPcode28" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
图片：

(栏目模板里用{dede:field.typeimg /}调用)

添加或修改图片时在栏目管理》高级选项上传即可。

文章内容页调用打开\include\arc.archives.class.PHP 查找

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代码如下:

PHPcode29" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
if($this->ChannelUnit->ChannelInfos['issystem']!=-1)

复制代码代码如下:

PHPcode30" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,sans-serif;line-height:25px;white-space:normal;">
$query = "Select arc.*,tp.reid,tp.typedir,ch.addtable from `dede_archives` arc left join dede_arctype tp on tp.id=arc.typeid left join dede_channeltype as ch on arc.channel = ch.id where arc.id='$aid' ";
$this->Fields = $this->dsql->GetOne($query);

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代码如下:

PHPcode31" style="clear:both;border-right-color:#0099CC;border-right-width:1px;border-right-style:solid;padding:0px 3px;font-size:14px;background-color:#DDEDFB;margin:0px auto 3px;overflow:hidden;border-left-color:#0099CC;border-left-width:1px;border-left-style:solid;word-break:break-all;border-bottom-color:#0099CC;border-bottom-width:1px;border-bottom-style:solid;color:#444444;font-family:Tahoma,tp.typeimg,ch.addtable
from `dede_archives` arc
left join dede_arctype tp on tp.id=arc.typeid
left join dede_channeltype as ch on arc.channel = ch.id
where arc.id='$aid' ";
$this->Fields = $this->dsql->GetOne($query);

增加缩略图的方法就介绍到这了，有需要的朋友可以自行参考修改调整。

dedecms栏目增加图片