Xslt 转换XML时如何从处理指令中提取信息?
在更改DTD之后,我正在转换一些XML文件 其中一个变化涉及将处理指令的内容更改为其他元素的属性,但我在从指令中选择特定信息时遇到了困难。我在如何使用PIs方面没有找到太多的东西——我找到的几乎所有东西都是关于如何创建PIs的——但我确实找到了: 例如,原始XML:Xslt 转换XML时如何从处理指令中提取信息?,xslt,xpath,processing-instruction,Xslt,Xpath,Processing Instruction,在更改DTD之后,我正在转换一些XML文件 其中一个变化涉及将处理指令的内容更改为其他元素的属性,但我在从指令中选择特定信息时遇到了困难。我在如何使用PIs方面没有找到太多的东西——我找到的几乎所有东西都是关于如何创建PIs的——但我确实找到了: 例如,原始XML: <?Fm Condition FM8_SYSTEM_HIDEELEMENT Dark%20Grey NO_OVERRIDE hide AsIs?> <?Fm Condition FM8_TRACK_CHANGES_
<?Fm Condition FM8_SYSTEM_HIDEELEMENT Dark%20Grey NO_OVERRIDE hide AsIs?>
<?Fm Condition FM8_TRACK_CHANGES_ADDED Forest%20Green SINGLE_UNDERLINE show AsIs?>
<?Fm Condition FM8_TRACK_CHANGES_DELETED Red STRIKETHROUGH show AsIs?>
<products>
<?Fm Condstart p-version?>
<prod>
<form>inj</form>
<strength>10, 20, 50</strength>
</prod>
<?Fm Condend p-version?>
<?Fm Condstart e-version?>
<prod>
<form>inj</form>
<strength>10</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<prod>
<form>inj</form>
<strength>20</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<prod>
<form>inj</form>
<strength>50</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<?Fm Condend e-version?>
</products>
注射
10, 20, 50
注射
10
0.4毫升(注射器),4
注射
20
0.4毫升(注射器),4
注射
50
0.4毫升(注射器),4
我尝试了这个XSL模板
<xsl:template match="processing-instruction()">
<xsl:choose>
<xsl:when test="'Condstart'">
<xsl:text>ELEPHANTS</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:copy />
</xsl:otherwise>
</xsl:choose>
</xsl:template>
大象
但它会将文档中的所有处理指令变成“大象”——而不仅仅是我试图选择的指令。您想要这样的指令:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output omit-xml-declaration="yes" indent="yes"/>
<xsl:template match="node()|@*">
<xsl:copy>
<xsl:apply-templates select="node()|@*"/>
</xsl:copy>
</xsl:template>
<xsl:template match=
"processing-instruction()[starts-with(.,'Condstart')]">
<xsl:text>ELEPHANTS</xsl:text>
</xsl:template>
</xsl:stylesheet>
<?Fm Condition FM8_SYSTEM_HIDEELEMENT Dark%20Grey NO_OVERRIDE hide AsIs?>
<?Fm Condition FM8_TRACK_CHANGES_ADDED Forest%20Green SINGLE_UNDERLINE show AsIs?>
<?Fm Condition FM8_TRACK_CHANGES_DELETED Red STRIKETHROUGH show AsIs?>
<products>
<?Fm Condstart p-version?>
<prod>
<form>inj</form>
<strength>10, 20, 50</strength>
</prod>
<?Fm Condend p-version?>
<?Fm Condstart e-version?>
<prod>
<form>inj</form>
<strength>10</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<prod>
<form>inj</form>
<strength>20</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<prod>
<form>inj</form>
<strength>50</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<?Fm Condend e-version?>
</products>
大象
当此转换应用于提供的(格式正确的)XML文档时:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output omit-xml-declaration="yes" indent="yes"/>
<xsl:template match="node()|@*">
<xsl:copy>
<xsl:apply-templates select="node()|@*"/>
</xsl:copy>
</xsl:template>
<xsl:template match=
"processing-instruction()[starts-with(.,'Condstart')]">
<xsl:text>ELEPHANTS</xsl:text>
</xsl:template>
</xsl:stylesheet>
<?Fm Condition FM8_SYSTEM_HIDEELEMENT Dark%20Grey NO_OVERRIDE hide AsIs?>
<?Fm Condition FM8_TRACK_CHANGES_ADDED Forest%20Green SINGLE_UNDERLINE show AsIs?>
<?Fm Condition FM8_TRACK_CHANGES_DELETED Red STRIKETHROUGH show AsIs?>
<products>
<?Fm Condstart p-version?>
<prod>
<form>inj</form>
<strength>10, 20, 50</strength>
</prod>
<?Fm Condend p-version?>
<?Fm Condstart e-version?>
<prod>
<form>inj</form>
<strength>10</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<prod>
<form>inj</form>
<strength>20</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<prod>
<form>inj</form>
<strength>50</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<?Fm Condend e-version?>
</products>
注射
10, 20, 50
注射
10
0.4 ;mL(注射器),4
注射
20
0.4 ;mL(注射器),4
注射
50
0.4 ;mL(注射器),4
生成所需的正确结果:
<?Fm Condition FM8_SYSTEM_HIDEELEMENT Dark%20Grey NO_OVERRIDE hide AsIs?>
<?Fm Condition FM8_TRACK_CHANGES_ADDED Forest%20Green SINGLE_UNDERLINE show AsIs?>
<?Fm Condition FM8_TRACK_CHANGES_DELETED Red STRIKETHROUGH show AsIs?>
<products>
ELEPHANTS
<prod>
<form>inj</form>
<strength>10, 20, 50</strength>
</prod>
<?Fm Condend p-version?>
ELEPHANTS
<prod>
<form>inj</form>
<strength>10</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<prod>
<form>inj</form>
<strength>20</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<prod>
<form>inj</form>
<strength>50</strength>
<packsize>0.4 mL (syringe), 4</packsize>
</prod>
<?Fm Condend e-version?>
</products>
大象
注射
10, 20, 50
大象
注射
10
0.4毫升(注射器),4
注射
20
0.4毫升(注射器),4
注射
50
0.4毫升(注射器),4
test=“'Condstart'”
始终为true,因为如果字符串长度非零,则将其视为true。你的意思是test=“name()='Condstart'”