XSLT：如何使用 XML 元素分配常量值

Question

我们已经输入了 XML。在那，我们尝试使用<LineActionType>元素来放置常量值。

我们基本上想在每个评论行标签上添加<LineActionType >A<LineActionType />这个元素常量值。 那就是

 <CommentLine>
                    <Comment>Comment#1</Comment>
                    <OrderLineID>OR-1810143</OrderLineID>
                    <UserDefined>3</UserDefined>
                    <LineActionType >A<LineActionType />
                 </CommentLine>

输入 XML

<?xml version="1.0" encoding="UTF-8"?>
<SalesOrders xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsd="http://www.w3.org/2001/XMLSchema-instance" xsd:noNamespaceSchemaLocation="SORTOIDOC.XSD">
   <Orders>
      <OrderHeader>
         <CustomerPoNumber>Manual Order 1</CustomerPoNumber>
         <OrderActionType>A</OrderActionType>
      </OrderHeader>
      <OrderDetails>
         <StockLine>
            <CustomerPoLine>9999</CustomerPoLine>
            <StockCode>abc-1</StockCode>
            <StockDescription>ASSEMBLED</StockDescription>
            <OrderQty>2.0</OrderQty>
            <OrderUom>EA</OrderUom>
            <PriceUom>EA</PriceUom>
            <AlwaysUsePriceEntered>Y</AlwaysUsePriceEntered>
            <UserDefined>1</UserDefined>
            <OrderLineID>OR-1810141</OrderLineID>
         </StockLine>
         <StockLine>
            <CustomerPoLine>9999</CustomerPoLine>
            <StockCode>FBX-SMO30029-8</StockCode>
            <StockDescription>TARGET SOAP PDQ 2014 ASSEMBLED</StockDescription>
            <OrderQty>3.0</OrderQty>
            <OrderUom>EA</OrderUom>
            <PriceUom>EA</PriceUom>
            <AlwaysUsePriceEntered>Y</AlwaysUsePriceEntered>
            <UserDefined>2</UserDefined>
            <OrderLineID>OR-1810142</OrderLineID>
         </StockLine>
         <CommentLine>
            <Comment>Comment#1</Comment>
            <OrderLineID>OR-1810143</OrderLineID>
            <UserDefined>3</UserDefined>
            <LineActionType />
         </CommentLine>
         <CommentLine>
            <Comment>Comment#2</Comment>
            <OrderLineID>OR-1810144</OrderLineID>
            <UserDefined>4</UserDefined>
            <LineActionType />
         </CommentLine>
      </OrderDetails>
   </Orders>
</SalesOrders>

我们尝试遵循 XSLT 2.0：

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="2.0">
   <xsl:output method="xml" encoding="Windows-1252" indent="yes" />
   <xsl:template match="@*|node()">
      <xsl:copy>
         <xsl:apply-templates select="@*|node()" />
      </xsl:copy>
   </xsl:template>
   <xsl:template match="OrderDetails">
      <xsl:copy>
         <xsl:apply-templates select="*">
            <xsl:sort select="xs:integer(UserDefined)" />
         </xsl:apply-templates>
      </xsl:copy>
   </xsl:template>
   <xsl:template match="StockLine[not(StockCodeDescription) and not (OrderQty) and not(Price)]">
      <CommentLine>
         <Comment>
            <xsl:value-of select="StockCode" />
         </Comment>
         <xsl:copy-of select="OrderLineID" />
         <xsl:copy-of select="UserDefined" />
        </CommentLine>
   </xsl:template>
   <xsl:template match="CommentLine[OrderLineID = preceding-sibling::StockLine/OrderLineID and not(Comment)]" />
   <xsl:template match="CommentLine[some $sib in preceding-sibling::CommentLine satisfies deep-equal(., $sib)]" />
</xsl:stylesheet>

预期输出：

<?xml version="1.0" encoding="UTF-8"?>
<SalesOrders xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsd="http://www.w3.org/2001/XMLSchema-instance" xsd:noNamespaceSchemaLocation="SORTOIDOC.XSD">
   <Orders>
      <OrderHeader>
         <CustomerPoNumber>Manual Order 1</CustomerPoNumber>
         <OrderActionType>A</OrderActionType>
      </OrderHeader>
      <OrderDetails>
         <StockLine>
            <CustomerPoLine>9999</CustomerPoLine>
            <StockCode>abc-1</StockCode>
            <StockDescription>ASSEMBLED</StockDescription>
            <OrderQty>2.0</OrderQty>
            <OrderUom>EA</OrderUom>
            <PriceUom>EA</PriceUom>
            <AlwaysUsePriceEntered>Y</AlwaysUsePriceEntered>
            <UserDefined>1</UserDefined>
            <OrderLineID>OR-1810141</OrderLineID>
         </StockLine>
         <StockLine>
            <CustomerPoLine>9999</CustomerPoLine>
            <StockCode>FBX-SMO30029-8</StockCode>
            <StockDescription>TARGET SOAP PDQ 2014 ASSEMBLED</StockDescription>
            <OrderQty>3.0</OrderQty>
            <OrderUom>EA</OrderUom>
            <PriceUom>EA</PriceUom>
            <AlwaysUsePriceEntered>Y</AlwaysUsePriceEntered>
            <UserDefined>2</UserDefined>
            <OrderLineID>OR-1810142</OrderLineID>
         </StockLine>
         <CommentLine>
            <Comment>Comment#1</Comment>
            <OrderLineID>OR-1810143</OrderLineID>
            <UserDefined>3</UserDefined>
            <LineActionType >A<LineActionType />
         </CommentLine>
         <CommentLine>
            <Comment>Comment#2</Comment>
            <OrderLineID>OR-1810144</OrderLineID>
            <UserDefined>4</UserDefined>
           <LineActionType >A<LineActionType />
         </CommentLine>
      </OrderDetails>
   </Orders>
</SalesOrders>

任何帮助将不胜感激？

Answer 1

首先注意<LineActionType >A<LineActionType /> 不是有效的XML，所以我假设你的意思是<LineActionType>A</LineActionType>。

无论如何，如果所有 CommentLine 元素都有一个 LineActionType 并且您只想将它​​们全部设置为 A，您可以将此模板与标识模板一起添加

<xsl:template match="CommentLine/LineActionType">
   <xsl:copy>A</xsl:copy>
</xsl:template>

或者，如果LineActionType 并不总是出现在CommentLine 下，您可以尝试添加这两个模板。一个在任何CommentLine 下添加它，另一个防止任何现有的输出（这样它就不会输出两次）

<xsl:template match="CommentLine">
   <xsl:copy>
      <xsl:apply-templates select="@*|node()" />
      <LineActionType>A</LineActionType>
   </xsl:copy>
</xsl:template>

<xsl:template match="CommentLine/LineActionType" />