dedecms怎么修改摘要字数

dedecms怎么修改摘要字数    

有时候觉得文字的摘要不够长，我们经常的操作就是去后台修改文字字数，但是织梦默认最大的摘要长度是250个字符，2个字符一个汉字，也就是125个汉字，如果还不够用怎么办？这就需要修改织梦摘要长度字数限制了。

方法如下：

一、先说下后台修改默认摘要长度的方法：

后台->系统->系统基本参数->其它选项->自动摘要长度（0-250，0表示不启用->填写数字就行了。

二、需要摘要大于250的修改方法。

1、到数据库去修改dede_archives表的description字段，长度250改为你想要的数字，另外如果需要把自动摘要改为手动摘要的话，就把null改为是，默认值改为null。

2、修改dede文件夹里，article_add.php和article_edit.php

找到其中的

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$description = cn_substrR($description,250);

250改为你想要的数字。

3、修改dede文件夹里，article_add.htm和article_edit.htm

找到其中的

</pre><p>把height:50px改为height:100px乃至更多。</p>
<p>4、到后台，找到系统--系统基本参数--其他选项--自动摘要长度，清空里面的数字，不要填入任何数字，按确定。</p>
<p>这个摘要长度的限制就解决了。</p>
<p>推荐教程：<a href="https://www.php.cn/cms/dedecms/" target="_blank">dedecms教程</a></p>					</div>
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									<div class="hotztrdown flexRow">
										<div class="htztdsee flexRow"> <b></b>
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										<div class="htztdsee flexRow"> <b></b>
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