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今天來說下如何修改dedecms分頁的下一頁和上一頁的文字和文字長度！

1.首先到include/arc.archives.class.php

加入紅色代碼，是用來設置默認獲取字數的。當前設置為14個中文字符

//獲取上一篇，下一篇鏈接
function GetPreNext($gtype='',$titlelen=28)

2.再往下找，插入紅色部分!即是用截取后的長度賦予$preRow['title2'],那么原始沒截取的就是$preRow['title']
$preRow['namerule'],$preRow['typedir'],$preRow['money'],$preRow['filename'],$preRow['moresite'],$preRow['siteurl'],$preRow['sitepath']);
$preRow['title2']=cn_substr($preRow['title'],$titlelen);
$this->PreNext['pre'] = "上一篇：<a href='$mlink'

3.接下來就很簡單了。做鼠標指上后就能顯示完整文章標題。（對SEO很有利）

$preRow['namerule'],$preRow['typedir'],$preRow['money'],$preRow['filename'],$preRow['moresite'],$preRow['siteurl'],$preRow['sitepath']); 
$preRow['title2']=cn_substr($preRow['title'],$titlelen); 
$this->PreNext['pre'] = "上一篇：<a href='$mlink' title='{$preRow['title']}'> {$preRow['title2']}</a> "; 

$nextRow['namerule'],$nextRow['typedir'],$nextRow['money'],$nextRow['filename'],$nextRow['moresite'],$nextRow['siteurl'],$nextRow['sitepath']); 
$nextRow['title2']=cn_substr($nextRow['title'],$titlelen); 
$this->PreNext['next'] = "下一篇：<a href='$mlink' title='{$nextRow['title']}'>{$nextRow['title2']}</a> ";