两个"xsl:for-each"内的计数器项目与 xslt 语言



我希望我能计算出两者的总行数?

xml是:

<root xmlns="">
<General>
<Data>
<Number>123456</Number>
<Date>2018-10-22</Data>
<LineRefer>0001</LineRefer>
<LineRefer>0002</LineRefer>
</Data>
<Data>
<Number>789456</Number>
<Date>2018-10-22</Data>
<LineRefer>0003</LineRefer>
<LineRefer>0004</LineRefer>
</Data>
</General>
<Services>
<Details>
<LineNumber>0001</LineNumber>
<Description>test description</Description>
</Details>
<Details>
<LineNumber>0002</LineNumber>
<Description>test description</Description>
</Details>
<Details>
<LineNumber>0003</LineNumber>
<Description>test description</Description>
</Details>
<Details>
<LineNumber>0004</LineNumber>
<Description>test description</Description>
</Details>
</root>

这是xsl

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="html" />
<xsl:key name="services" match="Services/Details" use="LineNumber" />
<xsl:template match="root">
<html>
<head>
<title>HTML Document Example</title>
</head>
<body>
<div class="page">
<xsl:for-each select="General/Data" >
<h1><xsl:value-of select="Number" /></h1>
<ul>
<xsl:for-each select="key('services', LineRefer)">
<li><xsl:value-of select="LineNumber" /> | <xsl:value-of   select="Description" /> </li>
<xsl:if test="(count(preceding-sibling::*) + 1) mod 40 = 0 ">
<!--here insert the pageBreak-->
</xsl:if>
</xsl:for-each>
</ul>
</xsl:for-each>
</div>
</body>
</html>
</xsl:template>
</xsl:stylesheet>

输出为:
数字123456
0001|测试描述
0002|测试描述
数字789456
0003|测试描述0004|测试描述

如果我使用xsl代码,我知道行数是4,但我希望计数返回6我想知道确切的行数。目前,我使用了一个不准确的系统,我只计算第二个循环的行数。

您可以在具有当前位置的外循环中添加一个变量,并将其用于计算

<xsl:for-each select="General/Data" >
<xsl:variable name="outerPos" select="position()"/>
<xsl:for-each select="key('services', LineRefer)">
<li><xsl:value-of select="LineNumber" /> | <xsl:value-of   select="Description" /> </li>
<xsl:if test="(count(preceding-sibling::*) + $outerPos) mod 40 = 0 ">

给定格式良好的输入,例如:

XML

<root xmlns="">
<General>
<Data>
<Number>123456</Number>
<Date>2018-10-22</Date>
<LineRefer>0001</LineRefer>
<LineRefer>0002</LineRefer>
</Data>
<Data>
<Number>789456</Number>
<Date>2018-10-22</Date>
<LineRefer>0003</LineRefer>
<LineRefer>0004</LineRefer>
<LineRefer>0005</LineRefer>
</Data>
</General>
<Services>
<Details>
<LineNumber>0001</LineNumber>
<Description>test description</Description>
</Details>
<Details>
<LineNumber>0002</LineNumber>
<Description>test description</Description>
</Details>
<Details>
<LineNumber>0003</LineNumber>
<Description>test description</Description>
</Details>
<Details>
<LineNumber>0004</LineNumber>
<Description>test description</Description>
</Details>
<Details>
<LineNumber>0005</LineNumber>
<Description>test description</Description>
</Details>
</Services>
</root>

以下样式表:

XSLT 1.0

<xsl:stylesheet version="1.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="utf-8" indent="yes"/>
<xsl:template match="/root">
<count-lines>
<xsl:value-of select="count(General/Data) + count(General/Data/LineRefer)"/>
</count-lines>
</xsl:template>
</xsl:stylesheet>

将返回:

<?xml version="1.0" encoding="utf-8"?>
<count-lines>7</count-lines>

要为每个LineRefer分配一个累积计数器(同时在计数中包括父Data(,可以执行以下操作:

XSLT 1.0

<xsl:stylesheet version="1.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="utf-8" indent="yes"/>
<xsl:template match="/root">
<output>
<xsl:for-each select="General/Data">
<xsl:variable name="i" select="position()" />
<xsl:for-each select="LineRefer">
<xsl:variable name="j">
<xsl:number count="LineRefer" level="any"/>
</xsl:variable>
<line-num>
<xsl:value-of select="$i + $j"/>
</line-num>
</xsl:for-each>
</xsl:for-each>
</output>
</xsl:template>
</xsl:stylesheet>

获取:

结果

<?xml version="1.0" encoding="utf-8"?>
<output>
<line-num>2</line-num>
<line-num>3</line-num>
<line-num>5</line-num>
<line-num>6</line-num>
<line-num>7</line-num>
</output>

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