XSLT-FO apply-templates

Question

我有一个XML文件

<results xmlns="zwierzeta">
    <animal family="kurowate" genus="tetrao">
        <name>skrzekot</name>
        <food>wszystkożerca</food> 
    </animal>
    <animal family="kurowate" genus="lyrurus">
        <name>cietrzew</name>
        <status>zagrożony</status>
        <food>wszystkożerca</food> 
        <lifespan>15</lifespan>
    </animal>
    <animal family="kurowate" genus="tetrao">
        <name>głuszec</name>
        <status>zagrożony</status>
        <food>wszystkożerca</food> 
        <lifespan>12</lifespan>
    </animal>
</results>

并尝试制作一个包含三列的简单表格：名称、状态、食物。

我的 xsl 文件：

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns="zwierzeta" xmlns:a="anatomia">
    <xsl:template match="/">
        <fo:root>
            <fo:layout-master-set>
                <fo:simple-page-master master-name="wzorzec1" page-width="210mm" page-height="297mm" margin-top="1cm" margin-bottom="1cm" margin-left="1cm" margin-right="1cm">
                    <fo:region-body margin="3cm"/>
                </fo:simple-page-master>
            </fo:layout-master-set>
            <fo:page-sequence master-reference="wzorzec1">
                <fo:flow flow-name="xsl-region-body" font-family="Arial">
                    <fo:block font-size="20" text-align="center">Raport</fo:block>
                    <fo:table border="1pt solid black" text-align="center" border-spacing="2pt">
                        <fo:table-header>
                            <fo:table-row>
                                <fo:table-cell border="1pt solid black"> <fo:block>Nazwa</fo:block> </fo:table-cell>
                                <fo:table-cell border="1pt solid black"> <fo:block>Status</fo:block> </fo:table-cell>
                                <fo:table-cell border="1pt solid black"> <fo:block>Odzywianie</fo:block> </fo:table-cell>
                            </fo:table-row>
                        </fo:table-header>
                        <fo:table-body>
                            <xsl:apply-templates select="animal"/>
                        </fo:table-body>
                    </fo:table>
                </fo:flow>
            </fo:page-sequence>
        </fo:root>
    </xsl:template>
    <xsl:template match="animal">
        <fo:table-row>
            <fo:table-cell border="1pt solid black">
                <fo:block><xsl:value-of select="name"/></fo:block>
            </fo:table-cell>
            <fo:table-cell border="1pt solid black">
                <fo:block><xsl:value-of select="status"/></fo:block>
            </fo:table-cell>
            <fo:table-cell border="1pt solid black">
                <fo:block><xsl:value-of select="food"/></fo:block>
            </fo:table-cell>
        </fo:table-row>
    </xsl:template>
</xsl:stylesheet>

这给了我一个错误：

Not valid: org.apache.fop.fo.ValidationException: "fo:table-body" is missing child elements. Required content model: marker* (table-row+|table-cell+) (See position 1:975)

我知道这是未评估应用模板部分的问题。但我不知道为什么会这样。我尝试复制正常工作的不同文件并更改元素名称，但这无济于事。

Answer 1

显然是你的默认命名空间

xmlns="zwierzeta"

不被接受。将其更改为前缀命名空间可以解决您的问题。所以把它改成

xmlns:zw="zwierzeta"

然后将前缀添加到依赖于默认命名空间的所有元素。整个 XSLT 文件可能如下所示：

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:zw="zwierzeta" xmlns:a="anatomia">
    <xsl:template match="/zw:results">                     <!-- Prefixed -->
        <fo:root>
            <fo:layout-master-set>
                <fo:simple-page-master master-name="wzorzec1" page-width="210mm" page-height="297mm" margin-top="1cm" margin-bottom="1cm" margin-left="1cm" margin-right="1cm">
                    <fo:region-body margin="3cm"/>
                </fo:simple-page-master>
            </fo:layout-master-set>
            <fo:page-sequence master-reference="wzorzec1">
                <fo:flow flow-name="xsl-region-body" font-family="Arial">
                    <fo:block font-size="20" text-align="center">Raport</fo:block>
                    <fo:table border="1pt solid black" text-align="center" border-spacing="2pt">
                        <fo:table-header>
                            <fo:table-row>
                                <fo:table-cell border="1pt solid black"> <fo:block>Nazwa</fo:block> </fo:table-cell>
                                <fo:table-cell border="1pt solid black"> <fo:block>Status</fo:block> </fo:table-cell>
                                <fo:table-cell border="1pt solid black"> <fo:block>Odzywianie</fo:block> </fo:table-cell>
                            </fo:table-row>
                        </fo:table-header>
                        <fo:table-body>
                            <xsl:apply-templates select="zw:animal"/>
                        </fo:table-body>
                    </fo:table>
                </fo:flow>
            </fo:page-sequence>
        </fo:root>
    </xsl:template>
    <xsl:template match="zw:animal">                                    <!-- Prefixed -->
        <fo:table-row>
            <fo:table-cell border="1pt solid black">
                <fo:block><xsl:value-of select="zw:name"/></fo:block>   <!-- Prefixed -->
            </fo:table-cell>
            <fo:table-cell border="1pt solid black">
                <fo:block><xsl:value-of select="zw:status"/></fo:block> <!-- Prefixed -->
            </fo:table-cell>
            <fo:table-cell border="1pt solid black">
                <fo:block><xsl:value-of select="zw:food"/></fo:block>   <!-- Prefixed -->
            </fo:table-cell>
        </fo:table-row>
    </xsl:template>
</xsl:stylesheet>