我有一个非常大的XSL文件,可以将XML转换为CSV。基本上,XML的结构是表数据。这张表中大约有90列(不是我的决定!)。这些列构成一个列组。
每个列组都有第一个和第二个值,一个可选的第三个值和一个选择,它决定在组中选择了哪个值 - 这由F,S或T表示 - (F)irst /(S)秒/(第三。 该行的主键是Date Time列。
XML如下(不是这是一个缩减版本)。因此,我们最多可以说第30列。
<data>
<columns>
<column id="0">
<name>Date Time</name>
<type>DateTime</type>
</column>
<column id="1">
<name>Column Group 1 First</name>
<type>Double</type>
</column>
<column id="2">
<name>Column Group 1 Second</name>
<type>Double</type>
</column>
<column id="3">
<name>Column Group 1 Third</name>
<type>Double</type>
</column>
<column id="4">
<name>Column Group 1 Selection</name>
<type>String</type>
</column>
<column id="5">
<name>Column Group 2 First</name>
<type>Double</type>
</column>
<column id="6">
<name>Column Group 2 Second</name>
<type>Double</type>
</column>
<column id="7">
<name>Column Group 2 Third</name>
<type>Double</type>
</column>
<column id="8">
<name>Column Group 2 Selection</name>
<type>String</type>
</column>
<!-- This group does not have Third-->
<column id="9">
<name>Column Group 3 First</name>
<type>Double</type>
</column>
<column id="10">
<name>Column Group 3 Second</name>
<type>Double</type>
</column>
<column id="11">
<name>Column Group 3 Selection</name>
<type>String</type>
</column>
</columns>
<rows>
<row id="0">
<columns>
<column id="0">
<name>Date Time</name>
<universalDate>2010-10-10 11:30:00</universalDate>
</column>
<!-- Group 1 - - - - - - - - - - - - - - - - -->
<column id="1">
<name>Column Group 1 First</name>
<displayValue>100.123</displayValue>
<value>100.123</value>
</column>
<column id="2">
<name>Column Group 1 Second</name>
<displayValue>Missing</displayValue>
<value>-2.50E+08</value>
</column>
<column id="3">
<name>Column Group 1 Third</name>
<displayValue>Missing</displayValue>
<value>-2.50E+08</value>
</column>
<column id="4">
<name>Column Group 1 Selection</name>
<displayValue>F</displayValue>
<value>F</value>
</column>
<!-- Group 2 - - - - - - - - - - - - - - - - -->
<column id="5">
<name>Column Group 2 First</name>
<displayValue>Missing</displayValue>
<value>-2.50E+08</value>
</column>
<column id="6">
<name>Column Group 2 Second</name>
<displayValue>Missing</displayValue>
<value>-2.50E+08</value>
</column>
<column id="7">
<name>Column Group 2 Third</name>
<displayValue>93.123</displayValue>
<value>93.123</value>
</column>
<column id="8">
<name>Column Group 2 Selection</name>
<displayValue>T</displayValue>
<value>T</value>
</column>
<!-- Group 3 - - - - - - - - - - - - - - - - -->
<column id="9">
<name>Column Group 3 First</name>
<displayValue>500.3</displayValue>
<value>500.3</value>
</column>
<column id="10">
<name>Column Group 3 Second</name>
<displayValue>22.21</displayValue>
<value>22.21</value>
</column>
<column id="11">
<name>Column Group 3 Third</name>
<displayValue>S</displayValue>
<value>S</value>
</column>
</columns>
</row>
<!-- Other rows omitted -->
</rows>
</data>
所需的输出是:
Date Time,Column Group 1 Primary,Column Group 1 Secondary,Column Group 1 Third,Column Group 1 Selection
Date Time,Column Group 2 Primary,Column Group 2 Secondary,Column Group 2 Third,Column Group 2 Selection
Date Time,Column Group 3 Primary,Column Group 3 Secondary,Column Group 3 Third,Column Group 3 Selection
... and so on ...
所以输出实际上是:
2010-10-10 11:30:00,100.123,,,F
2010-10-10 11:30:00,,,93.123,T
2010-10-10 11:30:00,500.3,22.21,,S
有几条规则: 如果displayValue = missing则输出空字符串。 如果该组没有第三个值,则输出空字符串。
我的XSL的第一个实例是对每组列重复检查,这些列看起来很可怕而且太大了。
问题是 - 是否可以使用模板输出以下XML?我刚刚开始研究模板(感谢其他帖子中的其他人的帮助),但这让我有点陷入困境。
我可以在列和行之间进行链接以输出表xml中的所有行列数据,但这或多或少地根据名称的第一部分将3列分组在一起。
此实例的我的XSL如下所示:
<xsl:for-each select="//rows/row">
<xsl:value-of select="columns/column[name='Date Time']/universalDate"/>
<xsl:text>,</xsl:text>
<xsl:if test="number(columns/column[name='Column 1 First']/value)">
<xsl:value-of select="format-number(columns/column[name='Column 1 First']/value,'0')"/>
</xsl:if>
<xsl:text>,</xsl:text>
<xsl:if test="number(columns/column[name='Column 1 Second']/value)">
<xsl:value-of select="format-number(columns/column[name='Column 1 Second']/value,'0')"/>
</xsl:if>
<xsl:text>,</xsl:text>
<xsl:if test="number(columns/column[name='Column 1 Third']/value)">
<xsl:value-of select="format-number(columns/column[name='Column 1 Third']/rawValue,'0')"/>
</xsl:if>
<xsl:text>,</xsl:text>
<xsl:if test="columns/column[name='Column 1 Selection']/value='F'">
<xsl:value-of select="format-number(columns/column[name='Column 1 First']/value,'0')"/>
</xsl:if>
<xsl:if test="columns/column[name='Column 1 Selection']/value='S'">
<xsl:value-of select="format-number(columns/column[name='Column 1 Second']/value,'0')"/>
</xsl:if>
<xsl:if test="columns/column[name='Column 1 Selection']/value='T'">
<xsl:value-of select="format-number(columns/column[name='Column 1 Third']/value,'0')"/>
</xsl:if>
<!-- new line required -->
<xsl:text>
</xsl:text>
<xsl:value-of select="columns/column[name='Date Time']/universalDate"/>
<xsl:text>,</xsl:text>
<xsl:if test="number(columns/column[name='Column 2 First']/value)">
<xsl:value-of select="format-number(columns/column[name='Column 1 First']/value,'0')"/>
</xsl:if>
<xsl:text>,</xsl:text>
<xsl:if test="number(columns/column[name='Column 2 Second']/value)">
<xsl:value-of select="format-number(columns/column[name='Column 1 Second']/value,'0')"/>
</xsl:if>
<xsl:text>,</xsl:text>
<xsl:if test="number(columns/column[name='Column 2 Third']/value)">
<xsl:value-of select="format-number(columns/column[name='Column 2 Third']/value,'0')"/>
</xsl:if>
<xsl:text>,</xsl:text>
<xsl:if test="columns/column[name='Column 2 Selection']/value='F'">
<xsl:value-of select="format-number(columns/column[name='Column 2 First']/value,'0')"/>
</xsl:if>
<xsl:if test="columns/column[name='Column 2 Selection']/value='S'">
<xsl:value-of select="format-number(columns/column[name='Column 2 Second']/value,'0')"/>
</xsl:if>
<xsl:if test="columns/column[name='Column 2 Selection']/value='T'">
<xsl:value-of select="format-number(columns/column[name='Column 2 Third']/value,'0')"/>
</xsl:if>
<!-- new line required -->
<xsl:text>
</xsl:text>
<!-- and so on....... -->
很抱歉在第一批情况下澄清。
谢谢,
Andez
答案 0 :(得分:1)
此样式表:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="text"/>
<xsl:template match="row/columns/column[substring(name,16)='First']">
<xsl:variable name="vOptional"
select="following::column[2]
[substring(name,16)='Third']"/>
<xsl:value-of select="concat(../column[1]/universalDate,',',
displayValue[.!='Missing'],',',
following::column[1]
/displayValue[.!='Missing'],',',
$vOptional/displayValue[.!='Missing'],',',
following::column[2 + boolean($vOptional)]
/displayValue[.!='Missing'],'
')"/>
</xsl:template>
<xsl:template match="data/columns|column"/>
</xsl:stylesheet>
输出:
2010-10-10 11:30:00,100.123,,,F
2010-10-10 11:30:00,,,93.123,T
2010-10-10 11:30:00,500.3,22.21,,S
编辑:更好。我在以前的逻辑中锁定了,抱歉。