在织梦CMS系统中，标签调用是一种非常强大的功能，它可以帮助我们快速地实现各种数据的动态展示，对于一些特殊的模块，如问答系统、留言本、会员空间导航等，默认情况下可能并不支持标签调用，这就需要我们通过一定的方法来实现这些模块的标签调用。

我们需要明确的是，标签调用的原理是通过在模板文件中插入特定的标签代码，然后在后台进行设置，使得这些标签能够动态地获取和显示数据，要让问答系统、留言本、会员空间导航等模块支持标签调用，我们需要找到这些模块对应的模板文件，并在其中插入相应的标签代码。

以问答系统为例，我们可以在问答系统的模板文件中插入如下的标签代码：

{dede:sql name=test1}
SELECT * FROM#@__archives WHERE channelid=3
{/dede:sql}
[field:global runphp='yes' name=item]
global $dsql;com_load();@me = new com_content();@me>channelID = 3;@me>DisplayOrder=3;@me>SendDate = time();$row = $dsql>GetOne("SELECT * FROM ".table('archives')." WHERE id=".$me>channelID);$row['channeltype'] = $me>channeltype;$row['typename'] = $me>typename;$row['coContent'] = $me>coContent;$row['coPower'] = $me>coPower;$row['coUrl'] = $me>coUrl;$row['coTarget'] = $me>coTarget;$row['coField'] = $me>coField;$row['filename'] = $me>filename;$row['litpic'] = $me>litpic;$row['pubdate'] = $me>pubdate;$row['mid'] = $me>mid;$row['ismake'] = $me>ismake;$row['istemplet'] = $me>istemplet;$row['issend'] = $me>issend;$row['arcrank'] = $me>arcrank;$row['click'] = $me>click;$row['coTag'] = $me>coTag;$row['color'] = $me>color;$row['fontsize'] = $me>fontsize;$row['fontstyle'] = $me>fontstyle;$row['fontweight'] = $me>fontweight;$row['linkcolor'] = $me>linkcolor;$row['coSel'] = $me>coSel;$row['coCon'] = $me>coCon;$row['orderway'] = $me>orderway;$row['orderby'] = $me>orderby;$row['status'] = $me>status;$row['relfield'] = $me>relfield;$row['reid'] = $me>reid;$row['nid'] = $me>nid;$row['aid'] = $me>aid;$row['senddate'] = $me>senddate;$row['arcrank'] = $me>arcrank;$row['click'] = $me>click;$row['coTag'] = $me>coTag;$row['color'] = $me>color;$r