dedecms随机调用文章数据方法汇总

程家阳 發表於 2024-2-23 00:00:00

本文实例总结了dedecms随机调用文章数据方法。分享给大家供大家参考。具体分析如下：

有时我们为了网站优化都会对网站最后一些文章进行随机读取显示,这样可以提高网站对搜索引擎的体验,下面我们就来分析总结一下dedecms随机调用文章数据方法.

方法一,直接利用artlist中的orderyb=rand 即可实例,代码如下: 

<div class="msgheader" style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div class="right">
复制代码
</div>
代码如下:</div>
<div class="msgborder" id="phpcode19" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
{dede:arclist row=10 orderby=rand} 
<li><a href="" target="_blank"></a></li>{/dede:arclist}</div>
 方法二,利用自定做法



1.增加以下dedecms自定义标签 randarc,代码如下: 

<div class="msgheader" style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div class="right">
复制代码
</div>
代码如下:</div>
<div class="msgborder" id="phpcode20" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
function lib_randarc(&$ctag , &$refObj){ 
global $dsql; 
FillAttsDefault($ctag->CAttribute->Items ,"limit|1"); 
extract($ctag->CAttribute->Items); 
$s = ''; 
$tcp = new DedeTagParse(); 
$tcp->SetNameSpace("field",'[',']'); 
$tcp->LoadSource($ctag->GetInnerText()); 
$sql = $query = "SELECT se.*,tp.typedir,tp.typename,tp.isdefault,tp.defaultname,tp.namerule,tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath 
FROM `dede_archives` se LEFT JOIN `dede_arctype` tp ON se.typeid=tp.id WHERE 1 order by rand() limit $limit"; 
$dsql->Execute("f",$sql); 
while($row1 = $dsql->GetArray("f")){ 
$row1['arcurl'] = GetFileUrl($row1['id'],$row1['typeid'],$row1['senddate'],$row1['title'], 
$row1['ismake'], 
$row1['arcrank'],$row1['namerule'],$row1['typedir'],$row1['money'], 
$row1['filename'],$row1['moresite'],$row1['siteurl'],$row1['sitepath']); 
foreach($tcp->CTags as $k => $v ){ 
$tcp->Assign($k , $row1[$v->GetName()]); 
} 
$s.=$tcp->GetResult(); 
} 
return $s; 
}</div>
 2.在dedecms文章模板中调用,代码如下: <div class="msgheader" style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div class="right">
复制代码
</div>
代码如下:</div>
<div class="msgborder" id="phpcode21" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
{dede:randarc limit=1}<a href=></a>{/dede:randarc}</div>



这样很简单的就完成了dedecms文章页面随机调用一篇文章的功能

首页随机调用文章并定时自动更新

要实现DEDE首页自动更新的前提是网站首页必须有随机文章,对于随机文章不懂的朋友看这里实现DEDE首页内页随机文章列表代码,熟悉的直接跳过,代码如下:
<blockquote>
<ol class="dp-xml">
<li class="alt">
{dede:arclist sort='rand' titlelen=48 row=16} 
</li>
<li>
<li><a href="" title="" target="_blank"></a></li> 
</li>
<li class="alt">
{/dede:arclist} 
</li>
</ol>
</blockquote>
 这时首页每次更新的内容来源就有了,只是还不会自动生成更新的html文件,下面来说让dede自动生成首页的具体方法.



把下面的代码复制下来新建一个文本文档粘贴保存,然后把文件名改为rrsc_cn.php中的,上传到根目录,修改首页模板,在网站首页的<head></head>这部分加入这段代码,然后更新首页,代码如下:
<blockquote>
<ol class="dp-c">
<li class="alt">
<?php 
</li>
<li>
function sp_input( $text ) 
</li>
<li class="alt">
{ 
</li>
<li>
$text = trim( $text ); 
</li>
<li class="alt">
$text = htmlspecialchars( $text ); 
</li>
<li>
if ( !get_magic_quotes_gpc() ) 
</li>
<li class="alt">
return addslashes( $text ); 
</li>
<li>
else 
</li>
<li class="alt">
return $text; 
</li>
<li>
} 
</li>
<li class="alt">
$autotime = 300;//自动更新时间，单位为秒，这里我设为5分钟，大家可以自行更改。 
</li>
<li>
$fpath = "../data/last_time.inc";//记录更新时间文件，如果不能达到目的，请检查是否有读取权限。 
</li>
<li class="alt">
include( $fpath ); 
</li>
<li>
if( emptyempty($last_time) ) 
</li>
<li class="alt">
$last_time = 0; 
</li>
<li>
if( sp_input($_GET['renew'])=="now" ) 
</li>
<li class="alt">
$last_time = 0; 
</li>
<li>
if( (time()-$last_time)>=$autotime ) 
</li>
<li class="alt">
{ 
</li>
<li>
define('DEDEADMIN', ereg_replace("[/]{1,}",'/',dirname(__FILE__) ) ); 
</li>
<li class="alt">
require_once(DEDEADMIN."/../include/common.inc.php"); 
</li>
<li>
require_once(DEDEINC."/arc.partview.class.php"); 
</li>
<li class="alt">
/* 
</li>
<li>
$row = $dsql->GetOne("Select * From dede_homepageset"); 
</li>
<li class="alt">
$dsql->Close(); 
</li>
<li>
$templet=$row['templet']; 
</li>
<li class="alt">
$position=$row['position']; 
</li>
<li>
*/ 
</li>
<li class="alt">
$templet = "default/index.htm";//这里是首页模板位置，当前是dede默认首面位置。 
</li>
<li>
$position = "../index.html"; 
</li>
<li class="alt">
$homeFile = dirname(__FILE__)."/".$position; 
</li>
<li>
$homeFile = str_replace( "", "/", $homeFile ); 
</li>
<li class="alt">
$homeFile = str_replace( "//", "/", $homeFile ); 
</li>
<li>
$pv = new PartView(); 
</li>
<li class="alt">
$pv -> SetTemplet( $cfg_basedir.$cfg_templets_dir."/".$templet ); 
</li>
<li>
$pv -> SaveToHtml( $homeFile ); 
</li>
<li class="alt">
$pv -> Close(); 
</li>
<li>
$file = fopen( $fpath, "w" ); 
</li>
<li class="alt">
fwrite( $file, "<?phpn" ); 
</li>
<li>
fwrite( $file, "$last_time=".time().";n" ); 
</li>
<li class="alt">
fwrite( $file, '?>' ); 
</li>
<li>
fclose( $file ); 
</li>
<li class="alt">
} 
</li>
<li>
?> 
</li>
</ol>
</blockquote>

希望本文所述对大家的dedecms建站有所帮助。

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dedecms随机调用文章数据方法汇总