XSL-FO背景图像损坏生成的pdf

时间：2016-11-05 21:56:57

标签： xml xslt pdf-generation xsl-fo

我正在从下面的xsl文档生成PDF。我正在尝试添加一个背景图像来覆盖整个生成的pdf，但是当我在第12行包含<fo: block-container>时，它会在生成时破坏pdf。是否有另一种方法可以生成背景图像或者有什么我的我在这里做错了吗？

我还试图使用<fo:external-graphic>来包含背景图像，<fo:block text-align="center" display-align="before"> <fo:external-graphic top="-20mm" bottom="-20mm" content-width="210mm" height="150mm" src="url()"> </fo:external-graphic> </fo:block>确实显示了图像，但在顶部留下了一个边框（我认为是之前的区域）。但这只适用于托管的图片网址而不是本地存储的图片，这不是问题，但我发现有点奇怪。

<xsl:template match="/"> <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"> <fo:layout-master-set> <fo:simple-page-master master-name="page" page-height="150mm" page-width="210mm" margin-top="10mm" margin-bottom="10mm" margin-left="12mm" margin-right="12mm"> <fo:region-body margin-top="20mm" margin-bottom="20mm" /> <!-- <fo:region-before extent="20mm" /> --> <!-- <fo:region-after extent="20mm" /> --> </fo:simple-page-master> </fo:layout-master-set> <fo:page-sequence master-reference="page"> <fo:flow flow-name='xsl-region-body' font-size="20pt"> <fo:block-container absolute-position="absolute" top="-20mm" bottom="-20mm" width="210mm" height="150mm" background-image="/Users/myname/Downloads/background.png"> <fo:block/> </fo:block-container> <xsl:apply-templates select="certificate" /> </fo:flow> </fo:page-sequence> </fo:root> </xsl:template> <xsl:template match="certificate"> <fo:block text-align="center"> <xsl:variable name="smallcase" select="'abcdefghijklmnopqrstuvwxyz'" /> <xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'" /> <xsl:variable name="bgImg" select="/images/background.png"/> <fo:block font-size="30pt" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="first_title" /> </fo:block> <fo:block font-size="14pt" padding-before="3mm" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="student_name" /> </fo:block> <fo:block font-size="14pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="school_name" /> </fo:block> <fo:block font-size="20pt" padding-before="3mm" padding-after="5mm" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="second_title" /> </fo:block> <fo:block font-size="14pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="level_passed" /> </fo:block> <fo:block font-size="14pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="third_title" /> </fo:block> <fo:block font-size="14pt" padding-before="8mm" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="fourth_title" /> </fo:block> <fo:block font-size="14pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="teacher_name" /> </fo:block> <fo:block font-size="14pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif"> <xsl:value-of select="date" /> </fo:block> </fo:block> </xsl:template> <xsl:template match="student_name"> <fo:block space-before="10mm" space-before.conditionality="retain"> <fo:inline> <xsl:value-of select="student_name" /> <xsl:text>of</xsl:text> </fo:inline> </fo:block> </xsl:template> <xsl:template match="school_name"> <fo:block space-after="10mm" space-before="5pt" space-after.conditionality="retain"> <fo:inline> <xsl:value-of select="school_name" /> </fo:inline> </fo:block> </xsl:template> <xsl:template match="level_passed"> <fo:block space-before="10mm" space-before.conditionality="retain"> <fo:inline> <xsl:value-of select="level_passed" /> </fo:inline> </fo:block> </xsl:template> <xsl:template match="teacher_name"> <fo:block space-before="5pt"> <fo:inline> <xsl:value-of select="teacher_name" /> </fo:inline> </fo:block> </xsl:template> <xsl:template match="date"> <fo:block space-before="5pt"> <fo:inline> <xsl:value-of select="date" /> </fo:inline> </fo:block> </xsl:template>

`

^

`

1 个答案:

答案 0 :(得分：0)

这是通过在我为学生姓名和学校名称等提取的内容周围添加<fo:block-container>来解决的。以下完整代码

`

<xsl:template match="/">
    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
        <fo:layout-master-set>
            <fo:simple-page-master master-name="page" page-height="211mm" page-width="338mm" margin-top="2cm" margin-bottom="2cm" margin-left="3cm" margin-right="3cm">
                                <fo:region-body/>
            </fo:simple-page-master>
        </fo:layout-master-set>
        <fo:page-sequence master-reference="page">
            <fo:flow flow-name='xsl-region-body' font-size="20pt" letter-spacing="0.05pt">
                <xsl:apply-templates select="certificate" />
            </fo:flow>
             </fo:page-sequence>
    </fo:root>
</xsl:template>

<xsl:template match="certificate">


    <xsl:variable name="imageHref"><xsl:value-of select="background"/></xsl:variable>

      <fo:block-container absolute-position="absolute"
        top="-2cm" left="-3cm" width="338mm" height="211mm"
        background-image="{$imageHref}">

        <xsl:variable name="smallcase" select="'abcdefghijklmnopqrstuvwxyz'" />
        <xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'" />
        <xsl:variable name="bgImg" select="/images/background.png"/>

        <fo:block font-size="45pt" text-align="center" color="#000000" padding-top="4cm" font-family=" Arial, Helvetica, sans-serif">
             This <fo:inline font-family="serif" font-size="50pt" font-weight="bold" font-style="italic"><xsl:value-of select="first_title" /></fo:inline> honors
        </fo:block>
        <fo:block font-size="20pt" padding-top="5mm" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif">
            <xsl:value-of select="student-name" />
        </fo:block>
        <fo:block font-size="20pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif">
            <xsl:value-of select="school-name" />
        </fo:block>
        <fo:block padding-top="1cm" font-size="35pt" padding-before="3mm" padding-after="5mm" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif">
            for <fo:inline font-family="serif" font-size="40pt" font-weight="bold" font-style="italic"><xsl:value-of select="second_title" /></fo:inline> the
        </fo:block>
        <fo:block font-size="20pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif">
            <xsl:value-of select="dropdown" />
        </fo:block>
        <fo:block font-size="20pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif">
            <xsl:value-of select="additional-info" />
        </fo:block>
        <fo:block padding-top="1.5cm" font-size="20pt" padding-bottom="5mm" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif">
            <xsl:value-of select="fourth_title" />
        </fo:block>
        <fo:block font-size="20pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif">
            <xsl:value-of select="teacher-name" />
        </fo:block>
        <fo:block padding-bottom="1cm"  font-size="20pt" font-weight="lighter" text-align="center" color="#000000" font-family=" Arial, Helvetica, sans-serif">
            <xsl:value-of select="date" />
        </fo:block>
    </fo:block-container>
</xsl:template>

<xsl:template match="student-name">
    <fo:block space-before="10mm" space-before.conditionality="retain">
        <fo:inline>
            <xsl:value-of select="student_name" />
            <xsl:text>of</xsl:text>
        </fo:inline>
    </fo:block>
</xsl:template>

<xsl:template match="school-name">
    <fo:block space-before="5pt" space-after.conditionality="retain">
        <fo:inline>
            <xsl:value-of select="school_name" />
        </fo:inline>
    </fo:block>
</xsl:template>

<xsl:template match="dropdown">
    <fo:block space-before="10mm" space-before.conditionality="retain">
        <fo:inline>
            <xsl:value-of select="level_passed" />
        </fo:inline>
    </fo:block>
</xsl:template>

<xsl:template match="teacher-name">
    <fo:block space-before="5pt">
        <fo:inline>
            <xsl:value-of select="teacher_name" />
        </fo:inline>
    </fo:block>
</xsl:template>

<xsl:template match="date">
    <fo:block space-before="5pt">
        <fo:inline>
            <xsl:value-of select="date" />
        </fo:inline>
    </fo:block>
</xsl:template>

`

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