PDF从fop-0.95升级到fop-2.3时的对齐问题
问题描述 投票：1回答：1
我是XSLT FO世界的新手，遇到了一个问题。我的XSLT与fop-0.95处理器配合良好并生成PDF，但在我升级到fop-2.3后，它将我的第一页留空并从第二页启动PDF主体（我的PDF有一个标题出现在第一页很好）。
我想出了问题所在，这是因为我在“fo：layout-master-set”中的“fo：region-body”标签中将margin-top值设置为3英寸（请参见屏幕截图）。我不得不将margin-top从3英寸更改为2.5英寸，因为我的PDF体看起来像是在使用fop-0.95时。
<?xml version="1.0" encoding="UTF-8"?>
<!--Designed and generated by Altova StyleVision Enterprise Edition 2013 (x64) - see http://www.altova.com/stylevision for more information.-->
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:altova="http://www.altova.com" xmlns:altovaext="http://www.altova.com/xslt-extensions" xmlns:clitype="clitype" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:ix="http://www.xbrl.org/2008/inlineXBRL" xmlns:java="java" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:sps="http://www.altova.com/StyleVision/user-xpath-functions" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:svg="http://www.w3.org/2000/svg" exclude-result-prefixes="altova altovaext clitype fn iso4217 ix java link sps xbrldi xbrli xlink xs xsi">
<xsl:output version="1.0" method="xml" encoding="UTF-8" indent="no"/>
<xsl:param name="SV_OutputFormat" select="'PDF'"/>
<xsl:variable name="XML" select="/"/>
<xsl:variable name="fo:layout-master-set">
<fo:layout-master-set>
<fo:simple-page-master master-name="page-master-0-even" margin-left="0.50in" margin-right="0.50in" page-height="11in" page-width="8.50in" margin-top="0.30in" margin-bottom="0.30in">
<fo:region-body margin-top="0.45in" margin-bottom="0.45in" column-count="1" column-gap="0.50in"/>
<fo:region-before region-name="even-page-header" overflow="hidden" extent="0.45in"/>
<fo:region-after region-name="even-page-footer" overflow="hidden" extent="0.45in"/>
</fo:simple-page-master>
<fo:simple-page-master master-name="page-master-0-odd" margin-left="0.50in" margin-right="0.50in" page-height="11in" page-width="8.50in" margin-top="0.30in" margin-bottom="0.30in">
<fo:region-body margin-top="0.45in" margin-bottom="0.45in" column-count="1" column-gap="0.50in"/>
<fo:region-before region-name="odd-page-header" overflow="hidden" extent="0.45in"/>
<fo:region-after region-name="odd-page-footer" overflow="hidden" extent="0.45in"/>
</fo:simple-page-master>
<fo:simple-page-master master-name="page-master-0-even-first" margin-left="0.50in" margin-right="0.50in" page-height="11in" page-width="8.50in" margin-top="0.30in" margin-bottom="0.30in">
<fo:region-body margin-top="3in" margin-bottom="0.45in" column-count="1" column-gap="0.50in"/>
<fo:region-before region-name="even-page-header-first" overflow="hidden" extent="3in"/>
<fo:region-after region-name="even-page-footer" overflow="hidden" extent="0.45in"/>
</fo:simple-page-master>
<fo:simple-page-master master-name="page-master-0-odd-first" margin-left="0.50in" margin-right="0.50in" page-height="11in" page-width="8.50in" margin-top="0.30in" margin-bottom="0.30in">
<fo:region-body margin-top="3in" margin-bottom="0.45in" column-count="1" column-gap="0.50in"/>
<fo:region-before region-name="odd-page-header-first" overflow="hidden" extent="3in"/>
<fo:region-after region-name="odd-page-footer" overflow="hidden" extent="0.45in"/>
</fo:simple-page-master>
<fo:page-sequence-master master-name="page-master-0">
<fo:repeatable-page-master-alternatives>
<fo:conditional-page-master-reference master-reference="page-master-0-even-first" odd-or-even="even" page-position="first"/>
<fo:conditional-page-master-reference master-reference="page-master-0-odd-first" odd-or-even="odd" page-position="first"/>
<fo:conditional-page-master-reference master-reference="page-master-0-even" odd-or-even="even"/>
<fo:conditional-page-master-reference master-reference="page-master-0-odd" odd-or-even="odd"/>
</fo:repeatable-page-master-alternatives>
</fo:page-sequence-master>
</fo:layout-master-set>
</xsl:variable>
<xsl:variable name="altova:nPxPerIn" select="96"/>
<xsl:template match="/">
<fo:root>
<xsl:copy-of select="$fo:layout-master-set"/>
<fo:declarations>
<x:xmpmeta xmlns:x="adobe:ns:meta/">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:about="" xmlns:xmp="http://ns.adobe.com/xap/1.0/">
<xmp:CreatorTool>Altova StyleVision Enterprise Edition 2013 (x64) (http://www.altova.com)</xmp:CreatorTool>
</rdf:Description>
</rdf:RDF>
</x:xmpmeta>
</fo:declarations>
<fo:page-sequence force-page-count="no-force" master-reference="page-master-0" initial-page-number="auto" format="1">
<fo:static-content flow-name="odd-page-header-first">
<fo:block-container overflow="hidden" display-align="before">
<fo:block>
<xsl:for-each select="$XML">
<xsl:for-each select="DOCUMENT">
<xsl:for-each select="DATA">
<xsl:for-each select="STRUCT">
<xsl:for-each select="FIELD[FNAME='nfHeaderDtls']">
<xsl:for-each select="STRUCT">
<fo:block-container font-family="Arial" font-size="10pt" width="7.490000in" height="3.000000in" overflow="hidden">
<fo:block-container absolute-position="absolute" font-family="Arial" font-size="9pt" height="1.21in" left="4.55in" top="1.75in" width="2.90in" overflow="hidden">
<fo:block>
<xsl:for-each select="FIELD[FNAME='Name']">
<xsl:for-each select="VALUE">
<xsl:variable name="value-of-template_1">
<xsl:apply-templates/>
</xsl:variable>
<xsl:choose>
<xsl:when test="contains(string($value-of-template_1),'​')">
<fo:block>
<xsl:copy-of select="$value-of-template_1"/>
</fo:block>
</xsl:when>
<xsl:otherwise>
<fo:inline>
<xsl:copy-of select="$value-of-template_1"/>
</fo:inline>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:for-each>
<fo:block/>
</fo:block>
</fo:block-container>
</fo:block-container>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</fo:block>
</fo:block-container>
</fo:static-content>
<fo:static-content flow-name="even-page-header-first">
<fo:block-container overflow="hidden" display-align="before">
<fo:block>
<xsl:for-each select="$XML">
<xsl:for-each select="DOCUMENT">
<xsl:for-each select="DATA">
<xsl:for-each select="STRUCT">
<xsl:for-each select="FIELD[FNAME='nfHeaderDtls']">
<xsl:for-each select="STRUCT">
<fo:block-container font-family="Arial" font-size="10pt" width="7.490000in" height="3.000000in" overflow="hidden">
<fo:block-container absolute-position="absolute" font-family="Arial" font-size="9pt" height="1.21in" left="4.55in" top="1.75in" width="2.90in" overflow="hidden">
<fo:block>
<xsl:for-each select="FIELD[FNAME='Name']">
<xsl:for-each select="VALUE">
<xsl:variable name="value-of-template_1">
<xsl:apply-templates/>
</xsl:variable>
<xsl:choose>
<xsl:when test="contains(string($value-of-template_1),'​')">
<fo:block>
<xsl:copy-of select="$value-of-template_1"/>
</fo:block>
</xsl:when>
<xsl:otherwise>
<fo:inline>
<xsl:copy-of select="$value-of-template_1"/>
</fo:inline>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:for-each>
<fo:block/>
</fo:block>
</fo:block-container>
</fo:block-container>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</fo:block>
</fo:block-container>
</fo:static-content>
<fo:static-content flow-name="odd-page-header">
<fo:block-container overflow="hidden" display-align="before">
<fo:block>
<xsl:for-each select="$XML">
<xsl:for-each select="DOCUMENT">
<xsl:for-each select="DATA">
<xsl:for-each select="STRUCT">
<xsl:for-each select="FIELD[FNAME='nfHeaderDtls']">
<xsl:for-each select="STRUCT">
<fo:block-container font-family="Arial" font-size="10pt" width="7.500000in" height="0.500000in" overflow="hidden">
<fo:block-container absolute-position="absolute" height="0.19in" left="0in" top="0in" width="2.78in" overflow="hidden">
<fo:block>
<fo:inline>
<xsl:text>Identifier: </xsl:text>
</fo:inline>
<xsl:for-each select="FIELD[FNAME='caseReference']">
<xsl:for-each select="VALUE">
<xsl:variable name="value-of-template_27">
<xsl:apply-templates/>
</xsl:variable>
<xsl:choose>
<xsl:when test="contains(string($value-of-template_27),'​')">
<fo:block>
<xsl:copy-of select="$value-of-template_27"/>
</fo:block>
</xsl:when>
<xsl:otherwise>
<fo:inline>
<xsl:copy-of select="$value-of-template_27"/>
</fo:inline>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:for-each>
</fo:block>
</fo:block-container>
</fo:block-container>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</fo:block>
</fo:block-container>
</fo:static-content>
<fo:static-content flow-name="even-page-header">
<fo:block-container overflow="hidden" display-align="before">
<fo:block>
<xsl:for-each select="$XML">
<xsl:for-each select="DOCUMENT">
<xsl:for-each select="DATA">
<xsl:for-each select="STRUCT">
<xsl:for-each select="FIELD[FNAME='nfHeaderDtls']">
<xsl:for-each select="STRUCT">
<fo:block-container font-family="Arial" font-size="10pt" width="7.500000in" height="0.500000in" overflow="hidden">
<fo:block-container absolute-position="absolute" height="0.19in" left="0in" top="0in" width="2.78in" overflow="hidden">
<fo:block>
<fo:inline>
<xsl:text>Identifier: </xsl:text>
</fo:inline>
<xsl:for-each select="FIELD[FNAME='caseReference']">
<xsl:for-each select="VALUE">
<xsl:variable name="value-of-template_27">
<xsl:apply-templates/>
</xsl:variable>
<xsl:choose>
<xsl:when test="contains(string($value-of-template_27),'​')">
<fo:block>
<xsl:copy-of select="$value-of-template_27"/>
</fo:block>
</xsl:when>
<xsl:otherwise>
<fo:inline>
<xsl:copy-of select="$value-of-template_27"/>
</fo:inline>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:for-each>
</fo:block>
</fo:block-container>
</fo:block-container>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</fo:block>
</fo:block-container>
</fo:static-content>
<fo:static-content flow-name="odd-page-footer">
<fo:block-container height="0.45in" overflow="hidden" display-align="after">
<fo:block>
<fo:block-container font-family="Arial" font-size="10pt" width="7.490000in" height="0.500000in" overflow="hidden">
<fo:block-container absolute-position="absolute" height="0.40in" left="0in" top="0in" width="4.04in" overflow="hidden">
<fo:block>
<fo:inline>
<xsl:text>My Test Form</xsl:text>
</fo:inline>
<fo:block/>
<fo:inline>
<xsl:text>Test Text</xsl:text>
</fo:inline>
</fo:block>
</fo:block-container>
<fo:block-container absolute-position="absolute" height="0.38in" left="4.82in" text-align="right" top="0in" width="2.63in" overflow="hidden">
<fo:block>
<fo:inline font-weight="bold">
<xsl:text>Page: </xsl:text>
</fo:inline>
<fo:page-number font-weight="bold"/>
<fo:inline font-weight="bold">
<xsl:text> of </xsl:text>
</fo:inline>
<fo:page-number-citation ref-id="SV_RefID_PageTotal" font-weight="bold"/>
</fo:block>
</fo:block-container>
</fo:block-container>
</fo:block>
</fo:block-container>
</fo:static-content>
<fo:static-content flow-name="even-page-footer">
<fo:block-container height="0.45in" overflow="hidden" display-align="after">
<fo:block>
<fo:block-container font-family="Arial" font-size="10pt" width="7.490000in" height="0.500000in" overflow="hidden">
<fo:block-container absolute-position="absolute" height="0.40in" left="0in" top="0in" width="4.04in" overflow="hidden">
<fo:block>
<fo:inline>
<xsl:text>My Test Form</xsl:text>
</fo:inline>
<fo:block/>
<fo:inline>
<xsl:text>Test Text</xsl:text>
</fo:inline>
</fo:block>
</fo:block-container>
<fo:block-container absolute-position="absolute" height="0.38in" left="4.82in" text-align="right" top="0in" width="2.63in" overflow="hidden">
<fo:block>
<fo:inline font-weight="bold">
<xsl:text>Page: </xsl:text>
</fo:inline>
<fo:page-number font-weight="bold"/>
<fo:inline font-weight="bold">
<xsl:text> of </xsl:text>
</fo:inline>
<fo:page-number-citation ref-id="SV_RefID_PageTotal" font-weight="bold"/>
</fo:block>
</fo:block-container>
</fo:block-container>
</fo:block>
</fo:block-container>
</fo:static-content>
<fo:flow flow-name="xsl-region-body">
<fo:block>
<xsl:for-each select="$XML">
<xsl:for-each select="DOCUMENT">
<xsl:for-each select="DATA">
<xsl:for-each select="STRUCT">
<fo:block-container font-family="Arial" font-size="10pt" width="7.500000in" height="7.040000in" overflow="hidden">
<fo:block-container absolute-position="absolute" font-family="Arial" font-size="13pt" font-weight="bold" height="0.28in" left="0in" text-align="center" top="0in" width="7.46in" overflow="hidden">
<fo:block>
<fo:inline>
<xsl:text>Form Body Starts Here </xsl:text>
</fo:inline>
<xsl:for-each select="FIELD[FNAME='nfFormTitle']">
<xsl:for-each select="VALUE">
<xsl:variable name="value-of-template_28">
<xsl:apply-templates/>
</xsl:variable>
<xsl:choose>
<xsl:when test="contains(string($value-of-template_28),'​')">
<fo:block>
<xsl:copy-of select="$value-of-template_28"/>
</fo:block>
</xsl:when>
<xsl:otherwise>
<fo:inline>
<xsl:copy-of select="$value-of-template_28"/>
</fo:inline>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:for-each>
<fo:inline>
<xsl:text> Test Test</xsl:text>
</fo:inline>
</fo:block>
</fo:block-container>
</fo:block-container>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
</fo:block>
<fo:block id="SV_RefID_PageTotal"/>
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
<xsl:template name="altova:double-backslash">
<xsl:param name="text"/>
<xsl:param name="text-length"/>
<xsl:variable name="text-after-bs" select="substring-after($text, '\')"/>
<xsl:variable name="text-after-bs-length" select="string-length($text-after-bs)"/>
<xsl:choose>
<xsl:when test="$text-after-bs-length = 0">
<xsl:choose>
<xsl:when test="substring($text, $text-length) = '\'">
<xsl:value-of select="concat(substring($text,1,$text-length - 1), '\\')"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$text"/>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="concat(substring($text,1,$text-length - $text-after-bs-length - 1), '\\')"/>
<xsl:call-template name="altova:double-backslash">
<xsl:with-param name="text" select="$text-after-bs"/>
<xsl:with-param name="text-length" select="$text-after-bs-length"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="altova:MakeValueAbsoluteIfPixels">
<xsl:param name="sValue"/>
<xsl:variable name="sBeforePx" select="substring-before($sValue, 'px')"/>
<xsl:choose>
<xsl:when test="$sBeforePx">
<xsl:variable name="nLengthOfInteger">
<xsl:call-template name="altova:GetCharCountOfIntegerAtEndOfString">
<xsl:with-param name="sText" select="$sBeforePx"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="nPosOfInteger" select="string-length($sBeforePx) - $nLengthOfInteger + 1"/>
<xsl:variable name="nValuePx" select="substring($sBeforePx, $nPosOfInteger)"/>
<xsl:variable name="nValueIn" select="number($nValuePx) div number($altova:nPxPerIn)"/>
<xsl:variable name="nLengthBeforeInteger" select="string-length($sBeforePx) - $nLengthOfInteger"/>
<xsl:variable name="sRest">
<xsl:call-template name="altova:MakeValueAbsoluteIfPixels">
<xsl:with-param name="sValue" select="substring-after($sValue, 'px')"/>
</xsl:call-template>
</xsl:variable>
<xsl:value-of select="concat(substring($sBeforePx, 1, $nLengthBeforeInteger), string($nValueIn), 'in', $sRest)"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$sValue"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="altova:GetCharCountOfIntegerAtEndOfString">
<xsl:param name="sText"/>
<xsl:variable name="sLen" select="string-length($sText)"/>
<xsl:variable name="cLast" select="substring($sText, $sLen)"/>
<xsl:choose>
<xsl:when test="number($cLast) >= 0 and number($cLast) <= 9">
<xsl:variable name="nResultOfRest">
<xsl:call-template name="altova:GetCharCountOfIntegerAtEndOfString">
<xsl:with-param name="sText" select="substring($sText, 1, $sLen - 1)"/>
</xsl:call-template>
</xsl:variable>
<xsl:value-of select="$nResultOfRest + 1"/>
</xsl:when>
<xsl:otherwise>
<xsl:text>0</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
有谁知道为什么会这样？ 我有多个具有相同布局的PDF，所以如果我需要升级到fop-2.3，我是否必须对所有PDF进行此更改？
编辑 - 1.感谢您的评论和答案。很抱歉，需要一段时间才能回复，因为我正在努力获得批准发布此xslt。
我编辑了xslt因为它太大而无法遵守这篇文章的字数限制。但它仍然具有所有重要的部分，如PDF体的开头等。
1个回答
0
投票
投票
很抱歉，但是找出同一软件的不同版本之间存在差异的最佳方法是查看自旧版本以来版本的发行说明。
FOP在其网站上发布了发行说明。当我确认这一点时，我在https://xmlgraphics.apache.org/fop/1.0/changes_1.0.html找到了这个，这可能就是你要找的东西：
打开宽松验证时，允许页面区域上的非零边框和填充。由LF承诺。
如果这是原因，那么解决方案是从margin-top中移除fo:simple-page-master。否则，我会发现有更多的发行说明供您查看，我担心。
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