织梦栏目增加缩略图功能的实现教程(2)

<title>栏目管理</title> <link href=http://www.dede58.com/”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=http://www.dede58.com/"<?php echo $myrow['namerule2']?>" size="40" /> <img src=http://www.dede58.com/"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=http://www.dede58.com/"<?php echo $myrow['typeimg']?>"><input type="button" name="Submit" value="浏览..." style="width:70px" onClick="SelectImage('form1.typeimg','');"> <input type="button" name="Submit2" value="裁剪" style="margin-left:8px;" onClick="imageCut('typeimg');" class='np coolbg'/> <input type='checkbox' name='ddisremote' value='1'> 远程<br />(栏目模板里用{dede:field.typeimg /}调用) </td> <td> <img src=http://www.dede58.com/"<?php if($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=http://www.dede58.com/”[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

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