关于deeptree节点之间连接线的问题
这是我的xsl文件，
请教如何让deeptree节点之间有连接线啊？有实例或者演示么？谢谢， <?xml   version= "1.0 "     encoding= "gb2312 "?>
<xsl:stylesheet   xmlns:xsl= "http://www.w3.org/TR/WD-xsl ">
    <xsl:template   match= "/ ">
<xsl:apply-templates   />
</xsl:template>
<xsl:template   match= "/root ">
<xsl:apply-templates   />
</xsl:template>

<xsl:template   match= "Style ">
<div   class= "clsItem "   type= "parent ">
<span   type= "online ">

<xsl:choose>
<xsl:when   test= "Styles ">
<span   class= "clsCollapse "   type= "img ">
                    <span   class= "clsLeaf ">
                        <img   src= "../Themes/Images/folder.gif "   border= "0 "   width= "16 "   class= "clsLeaf "   />
                    </span>
                    </span>
<span   class= "clsLabel "   type= "label ">
<xsl:attribute   name= "title "> <xsl:value-of   select= "@n "   /> </xsl:attribute>
                    <xsl:attribute   name= "recordid "> <xsl:value-of   select= "@r "   /> </xsl:attribute>
<xsl:value-of   select= "@n "   />
</span>
</xsl:when>
<xsl:when   test= "Descript ">
<span   class= "clsCollapse "     type= "img ">
                        <span   class= "clsCollapse ">
                            <img   src= "../Themes/Images/P1.gif "   border= "0 "   width= "16 "   class= "clsLeaf "   />
                        </span>
                    </span>
<span   class= "clsLabel "   type= "label ">
<xsl:attribute   name= "title "> <xsl:value-of   select= "@n "   /> </xsl:attribute>
                        <xsl:attribute   name= "recordid "> <xsl:value-of   select= "@r "   />
                        </xsl:attribute>
                        <xsl:value-of   select= "@n "   />
                    </span>
          &nbs