# 帝国CMS如何批量提取正文内容到简介

*Published:* 2023-10-21
*Author:* 客服001

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本文最后更新于2023年10月21日，已超过 180天没有更新



1、先备份数据库

2、保存e/admin/ChangeByID.php

```
<?php
define('EmpireCMSAdmin','1');
require("../class/connect.php");
require("../class/db_sql.php");
require("../class/functions.php");
require LoadLang("pub/fun.php");
require("../class/t_functions.php");
require("../data/dbcache/class.php");
require("../data/dbcache/MemberLevel.php");
$link=db_connect();
$empire=new mysqlquery();
$tbname="news";
$sid=(int)$_GET['startid'];
$b=0;
$rs=$empire->query("SELECT id,newstext FROM {$dbtbpre}ecms_{$tbname}_data_1 WHERE id>{$sid} limit 20");
        while($r=$empire->fetch($rs))
        {
                $smalltext='';
                !$r['newstext'] or $smalltext=SubSmalltextVal($r['newstext'],200);
                $smalltext=addslashes($smalltext);
                $smalltext &&
                $empire->query("UPDATE {$dbtbpre}ecms_{$tbname} SET smalltext='{$smalltext}' WHERE id=".$r[id]);
                $b=$r['id'];
        }
$b or exit('转换结束！');
echo "<meta http-equiv="refresh" content="1;url=ChangeByID.php?startid=".$b."">";
echo "已转换ID".$b;
db_close();
$empire=null;
?>
```

3、浏览器访问ChangeByID.php