在dede网站根目录下 新建 replace.php,内容如下：

然后 浏览器直接访问 http://www.dede58.com/dedecms/replace.php注意:此操作很危险,替换关键字时请小心,谨慎,最好先备份数据库

ExecuteNoneQuery(" UPDATE `dede_addonarticle` SET `body` = REPLACE(`body`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs1) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //addondocask $rs2 = $dsql->ExecuteNoneQuery(" UPDATE `dede_addondocask` SET `body` = REPLACE(`body`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs2) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //archives $rs3 = $dsql->ExecuteNoneQuery(" UPDATE `dede_archives` SET `title` = REPLACE(`title`, "{$vv[0]}", "{$vv[1]}"), `shorttitle` = REPLACE(`shorttitle`, "{$vv[0]}", "{$vv[1]}"),`writer` = REPLACE(`writer`, "{$vv[0]}", "{$vv[1]}"),`source` = REPLACE(`source`, "{$vv[0]}", "{$vv[1]}"),`keywords` = REPLACE(`keywords`, "{$vv[0]}", "{$vv[1]}"),`description` = REPLACE(`description`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs3) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //arctype $rs4 = $dsql->ExecuteNoneQuery(" UPDATE `dede_arctype` SET `typename` = REPLACE(`typename`, "{$vv[0]}", "{$vv[1]}"), `defaultname` = REPLACE(`defaultname`, "{$vv[0]}", "{$vv[1]}"),`description` = REPLACE(`description`, "{$vv[0]}", "{$vv[1]}"),`keywords` = REPLACE(`keywords`, "{$vv[0]}", "{$vv[1]}"),`seotitle` = REPLACE(`seotitle`, "{$vv[0]}", "{$vv[1]}"),`content` = REPLACE(`content`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs4) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //channeltype $rs5 = $dsql->ExecuteNoneQuery(" UPDATE `dede_channeltype` SET `typename` = REPLACE(`typename`, "{$vv[0]}", "{$vv[1]}"), `titlename` = REPLACE(`titlename`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs5) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //keywords $rs6 = $dsql->ExecuteNoneQuery(" UPDATE `dede_keywords` SET `keyword` = REPLACE(`keyword`, "{$vv[0]}", "{$vv[1]}"), `rpurl` = REPLACE(`rpurl`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs6) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //myad $rs7 = $dsql->ExecuteNoneQuery(" UPDATE `dede_myad` SET `tagname` = REPLACE(`tagname`, "{$vv[0]}", "{$vv[1]}"), `normbody` = REPLACE(`normbody`, "{$vv[0]}", "{$vv[1]}"), `expbody` = REPLACE(`expbody`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs7) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //mytag $rs8 = $dsql->ExecuteNoneQuery(" UPDATE `dede_mytag` SET `tagname` = REPLACE(`tagname`, "{$vv[0]}", "{$vv[1]}"), `normbody` = REPLACE(`normbody`, "{$vv[0]}", "{$vv[1]}"), `expbody` = REPLACE(`expbody`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs8) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //plus $rs9 = $dsql->ExecuteNoneQuery(" UPDATE `dede_plus` SET `plusname` = REPLACE(`plusname`, "{$vv[0]}", "{$vv[1]}"), `menustring` = REPLACE(`menustring`, "{$vv[0]}", "{$vv[1]}"), `mainurl` = REPLACE(`mainurl`, "{$vv[0]}", "{$vv[1]}"), `writer` = REPLACE(`writer`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs9) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //search_keywords $rs10 = $dsql->ExecuteNoneQuery(" UPDATE `dede_search_keywords` SET `keyword` = REPLACE(`keyword`, "{$vv[0]}", "{$vv[1]}"), `spwords` = REPLACE(`spwords`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs10) echo "替换{$vv[0]}失败
"; else echo "替换{$vv[0]}成功
"; //tagindex $rs11 = $dsql->ExecuteNoneQuery(" UPDATE `dede_tagindex` SET `tag` = REPLACE(`tag`, "{$vv[0]}", "{$vv[1]}"); "); if(!$rs11) echo "替换{$vv[0]}失败
";

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