xml 从1个类别（4级深度）中抓取所有子类别

Posted 2021-05-17

<mvt:item name="toolkit" param="subcat|ccount|g.Category_Code" />
    <mvt:if expr="ccount GT 0">
    <mvt:foreach iterator="sub_category" array="sub_categories">
        &mvt:sub_category:code;,
        <mvt:item name="toolkit" param="subcat2|ccount2|l.all_settings:sub_category:code" />
        <mvt:if expr="ccount2 GT 0">
            <mvt:foreach iterator="sub_category2" array="sub_categories2">
                 &mvt:sub_category2:code;,
                <mvt:item name="toolkit" param="subcat3|ccount3|l.all_settings:sub_category2:code" />
                <mvt:if expr="ccount3 GT 0">
                    <mvt:foreach iterator="sub_category3" array="sub_categories3">
                        &mvt:sub_category3:code;,
                        <mvt:item name="toolkit" param="subcat4|ccount4|l.all_settings:sub_category3:code" />
                        <mvt:if expr="ccount4 GT 0">
                            <mvt:foreach iterator="sub_category4" array="sub_categories4">
                                &mvt:sub_category4:code;,
                            </mvt:foreach>
                        </mvt:if>
                    </mvt:foreach>
                </mvt:if>
            </mvt:foreach>
        </mvt:if>
    </mvt:foreach>
</mvt:if>