DedeCms 栏目增加缩略图功能的方法
此功能添加涉及到以下文件：
dede/catalog_add.php
dede/catalog_edit.php
dede/templets/catalog_add.htm
dede/templets/catalog_edit.htm
include/taglib/channel.lib.php
此升级修改方法，在V5.7，V5.7sp1 测试通过，其他版本未测试，原理基本相同，请大家自行测试是否可行。
首先给 栏目表(`dede_arctype`)增加一个字段typeimg
alter table `dede_arctype` add `typeimg` varchar(200) NOT NULL default ;
修改catalog_add.php文件
打开dede/catalog_add.php
查找$queryTemplate = “insert into `dede_arctype`
将
(reid,topid,sortrank,typename,typedir,
替换为：
(reid,topid,sortrank,typename,typedir,typeimg,将
(‘~reid~’,'~topid~’,'~rank~’,'~typename~’,'~typedir~’,替换为：
(‘~reid~’,'~topid~’,'~rank~’,'~typename~’,'~typedir~’,'~typeimg~’,查找$in_query = “INSERT INTO `dede_arctype`
将
(reid,topid,sortrank,typename,typedir,替换为：
(reid,topid,sortrank,typename,typedir,typeimg,将
(‘$reid’,'$topid’,'$sortrank’,'$typename’,'$typedir’,替换为：
(‘$reid’,'$topid’,'$sortrank’,'$typename’,'$typedir’,'$typeimg’,保存catalog_add.php
下面修改catalog_edit.php文件
打开dede/catalog_edit.php
查找$upquery = “Update `dede_arctype` set
在 typedir=’$typedir’, 其下面增加一行：
`typeimg`=’$typeimg’,保存catalog_edit.php
开始修改栏目添加模板文件
打开dede/templets/catalog_add.htm
在最上面找到这个段
<title>栏目管理</title> <link href=”css/base.css” rel=”stylesheet” type=”text/css”>
替换为:
<title>栏目管理</title> <link href=”css/base.css” rel=”stylesheet” type=”text/css”> <script language=”javascript” src=”../include/js/dedeajax2.js”></script> <script language=’javascript’ src=”js/main.js”></script> <script type=”text/javascript” src=”js/calendar/calendar.js”></script>
列表命名规则：
<tr> <td height="26" style="padding-left:10px;">列表命名规则：</td> <td> <input name="namerule2" type="text" id="namerule2" value="{typedir}/list_{tid}_{page}.html" class="pubinputs" style="width:250px" /> <img src="images/help.gif" alt="帮助" width="16" height="16" border="0" style="cursor:pointer" onClick="ShowHide('helpvar3')"/></td> </tr>
在标签下面增加一行：
<!--增加栏目缩略图--> <tr> <td width="90" style="padding-left:10px;">栏目图片：</td> <td width="560"> <table width="100%" border="0" cellspacing="1" cellpadding="1"> <tr> <td height="30"> <input name="typeimg" type="text" id="typeimg" style="width:240px" /> <input type="button" value="本地上传" style="width:70px;cursor:pointer;display:none" /> <iframe name='uplitpicfra' id='uplitpicfra' src='' style='display:none'></iframe> <span class="litpic_span"><input name="litpic" type="file" id="litpic" onChange="SeePicNew(this, 'divpicview', 'uplitpicfra', 165, 'archives_add.php');" size="1" class='np coolbg'/></span> <input type="button" name="Submit2" value="选择图片" style="margin-left:8px;" onClick="SelectImage('form1.typeimg','small');" class='np coolbg'/> <input type="button" name="Submit2" value="裁剪" style="margin-left:8px;" onClick="imageCut('typeimg');" class='np coolbg'/> <input type='checkbox' class='np' name='ddisremote' value='1' id='ddisremote'/>远程<br />(栏目模板里用{dede:field.typeimg /}调用 </td> </tr> </table> </td> <td width="150" align="center"> <div id='divpicview' class='divpre'></div> </td> </tr> <!--增加栏目缩略图-->保存catalog_add.htm
开始修改栏目编辑模板文件
打开dede/templets/catalog_edit.htm
在最上面找到这个段
<title>栏目管理</title> <link href=”css/base.css” rel=”stylesheet” type=”text/css”>
替换为:
<title>栏目管理</title> <link href=”css/base.css” rel=”stylesheet” type=”text/css”> <script language=”javascript” src=”../include/js/dedeajax2.js”></script> <script language=”javascript” src=”js/main.js”></script> <script type=”text/javascript” src=”js/calendar/calendar.js”></script>
查找
<tr> <td height="26" style="padding-left:10px;">列表命名规则：</td> <td> <input name="namerule2" type="text" id="namerule2" value="<?php echo $myrow['namerule2']?>" size="40" class="iptxt" /> <img src="images/help.gif" alt="帮助" width="16" height="16" border="0" style="cursor:pointer" onClick="ShowHide('helpvar3')"/></td> </tr>
在其下面增加一行：
<!--增加栏目缩略图--> <tr> <td width="90" height="81" style="padding-left:10px;">栏目图片：</td></td> <td width="500"> <input name="typeimg" type="text" id="typeimg" style="width:300px" value="<?php echo $myrow['typeimg']?>"><input type="button" name="Submit" value="浏览..." style="width:70px" onClick="SelectImage('form1.typeimg','');"> <input type="button" name="Submit2" value="裁剪" style="margin-left:8px;" onClick="imageCut('typeimg');" class='np coolbg'/> <input type='checkbox' class='np' name='ddisremote' value='1'> 远程<br />(栏目模板里用{dede:field.typeimg /}调用) </td> <td align="center"> <img src="<?php if($myrow['typeimg']!="") echo $myrow['typeimg']; else echo "images/pview.gif";?>" width="150" height="100" id="picview" name="picview"> </td> </tr> <!--增加栏目缩略图-->
保存catalog_edit.htm
至此已经修改完成!
栏目图片的添加或修改图片时在 (栏目管理>高级选项)里面就会自动出现栏目图片添加的选择，点击选择图片，弹出窗口内选择浏览上传就OK
注意：前台栏目标签调用的时候，还需要改一个文件，才能实现栏目图片显示，否则只能通过sql语句才能显示图片。
打开：include/taglib/channel.lib.php
找到
if($type=='top') { $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description From `dede_arctype` where reid=0 And ishidden<>1 order by sortrank asc limit 0,$row"; } else if($type=="son") { //if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid']; if($typeid==0) { return ''; } $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description From `dede_arctype` where reid='$typeid' And ishidden<>1 order by sortrank asc limit 0,$row"; } else if($type=="self") { if($reid==0) { return ''; } $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description From `dede_arctype` where reid='$reid' And ishidden<>1 order by sortrank asc limit 0,$row"; }
替换成下面的：
if($type=='top') { $sql = "Select id,typename,typeimg,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description From `dede_arctype` where reid=0 And ishidden<>1 order by sortrank asc limit 0,$row"; } else if($type=="son") { //if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid']; if($typeid==0) { return ''; } $sql = "Select id,typename,typeimg,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description From `dede_arctype` where reid='$typeid' And ishidden<>1 order by sortrank asc limit 0,$row"; } else if($type=="self") { if($reid==0) { return ''; } $sql = "Select id,typename,typeimg,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description From `dede_arctype` where reid='$reid' And ishidden<>1 order by sortrank asc limit 0,$row"; }
调用方法：
<img src=”[field:typeimg /]” />如果想同时在文章内容页调用栏目图片打开，修改\include\arc.archives.class.php
查找
if($this->ChannelUnit->ChannelInfos['issystem']!=-1)将
$query = “Select arc.*,tp.reid,tp.typedir,ch.addtable from `dede_archives` arc left join dede_arctype tp on tp.id=arc.typeid left join dede_channeltype as ch on arc.channel = ch.id where arc.id=’$aid’ “; $this->Fields = $this->dsql->GetOne($query);替换为：
$query = “Select arc.*,tp.reid,tp.typedir,tp.typeimg,ch.addtable from `dede_archives` arc left join dede_arctype tp on tp.id=arc.typeid left join dede_channeltype as ch on arc.channel = ch.id where arc.id=’$aid’ “; $this->Fields = $this->dsql->GetOne($query);保存文件即可。
