织梦dede怎么修改关键字长度?
在网站的制作中，很多时候dede默认的一些设置可能无法达到我们要求，就如dede关键字长度一样，无法达到我们的要求，如果想修改到我们所需要的长度的话，需要修改一些php文件及数据库
推荐学习：织梦cms
dede文件修改默认关键字长度
第1步：找到并打开dede后台目录下的article_edit.php和article_add.php文件。
电脑维修技术网注：如果是修改专题认关键字的话，需要修改spec_add.php和spec_edit.php文件。
第2步：在文件中搜索"keywords"，找到“$keywords = trim(cn_substrR($keywords, 60));”这行代码，修改为$keywords = $keywords;并保存。
数据库关键字默认长度修改
默认dede的keywords关键字数据库类型为char长度也只有20，所以我们需要把这个数据库字段类型改成varchar长度也改成200.
第1步：成功登录到dede后台，或是使用工具软件什么的连接到mysql数据库。
第2步：找到dede数据库，执行以下代码。
代码如下:
ALTER TABLE dede_archives MODIFY COLUMN keywords VARCHAR(200); 以上SQL语句说明,dede_archives为dede表名。keywords为需要修改的字段名。 ALTER TABLE 表名 MODIFY COLUMN 字段名 数据类型;
The above is the detailed content of How to modify the keyword length in Dede. For more information, please follow other related articles on the PHP Chinese website!
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