Question

尊敬的专家，我必须在XSLT中使用多个for循环。

目前，通过XSLT，我在'GroupDetail'处生成了带有额外节点的输出。

输入请求

  <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" 
    xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" 
    xmlns:v1="http://xmldefs. ag.com/Applications/eer/V1" xmlns:wsa="http://www.w3.org/2005/08/addressing">
    <SOAP-ENV:Header>
    <wsa:messageId>04383-34380-3439939</wsa:messageId>
    </SOAP-ENV:Header>
    <SOAP-ENV:Body>
    <v1:ProcessDistr xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
      <v1:Group xmlns:ns2="http://xmldefs.ag.com/DD/Commons">
        <v1:GroupID>437848</v1:GroupID>
        <v1:GroupDetails>
         <v1:GroupDetail>
                <v1:language>De</v1:language>
                <v1:description>Deutsch</v1:description>
         </v1:GroupDetail>
         <v1:GroupDetail>
                <v1:language>En</v1:language>
                <v1:description>English</v1:description>
         </v1:GroupDetail>
        </v1:GroupDetails> 
        <v1:Status>true</v1:Status>
        <v1:Parent>45434554</v1:Parent>
      </v1:Group>
      <v1:Group xmlns:ns2="http://xmldefs.ag.com/DD/Commons">
        <v1:GroupID>437849</v1:GroupID>
        <v1:GroupDetails>
         <v1:GroupDetail>
                <v1:language>Tu</v1:language>
                <v1:description>Turkish</v1:description>
         </v1:GroupDetail>
         <v1:GroupDetail>
                <v1:language>Fr</v1:language>
                <v1:description>French</v1:description>
         </v1:GroupDetail>
        </v1:GroupDetails> 
        <v1:Status>true</v1:Status>
        <v1:Parent>45434555</v1:Parent>
      </v1:Group>
    </v1:ProcessDistr>
    </SOAP-ENV:Body>
    </SOAP-ENV:Envelope>

收到的输出带有另一组“组”详细信息，并且也缺少“ messageId”。

收到的输出：

<?xml version="1.0" encoding="UTF-8"?>
<ProcessDistr >
  <Group >
    <GroupID>437848</GroupID>
     <GroupDetails>
     <GroupDetail>
            <language>De</language>
            <description>Deutsch</description>
     </GroupDetail>
     <GroupDetail>
            <language>En</language>
            <description>English</description>
     </GroupDetail>
      <GroupDetail>
            <language>Tu</language>
            <description>Turkish</description>
     </GroupDetail>
     <GroupDetail>
            <language>Fr</language>
            <description>French</description>
     </GroupDetail>
   </GroupDetails>
    <Status>true</Status>
    <Parent>45434554</Parent>
  </Group>
  <Group >
    <GroupID>437849</GroupID>
    <GroupDetails>
     <GroupDetail>
            <language>De</language>
            <description>Deutsch</description>
     </GroupDetail>
     <GroupDetail>
            <language>En</language>
            <description>English</description>
     </GroupDetail>
      <GroupDetail>
            <language>Tu</language>
            <description>Turkish</description>
     </GroupDetail>
     <GroupDetail>
            <language>Fr</language>
            <description>French</description>
     </GroupDetail>
   </GroupDetails>
    <Status>true</Status>
    <Parent>45434555</Parent>
  </Group>
  <messageId/>
</ProcessDistr>

这是我开发的XSLT代码

使用的XSLT代码：

 <?xml version="1.0" encoding="UTF-8"?>
    <xsl:stylesheet version="2.0" xmlns:prof="http://ixult.net/ProfileExchange" 
    xmlns:sap="http://www.sap.com/sapxsl" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsltc="http://xml.apache.org/xalan/xsltc" 
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:v1="http://xmldefs. ag.com/Applications/eer/V1" 
    xmlns:vwsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:ns2="http://xmldefs.vag.com/DD/Commons" 
    exclude-result-prefixes="vwsu v1 ns2 xsi wsa" xmlns:wsa="http://www.w3.org/2005/08/addressing">
       <!-- Output -->
       <xsl:output encoding="UTF-8" indent="yes" method="xml" omit-xml-declaration="yes"/>
       <xsl:strip-space elements="*"/>

                       <xsl:template match="/">


              <xsl:element name="ProcessDistr">
               <xsl:for-each select="//soap:Body/v1:ProcessDistr/v1:Group">
                <xsl:element name="Group">

                    <xsl:element name="GroupID"><xsl:value-of select="v1:GroupID"/></xsl:element>
                     <xsl:element name="GroupDetails">
                        <xsl:for-each select="//v1:GroupDetails/v1:GroupDetail">
                         <xsl:element name="GroupDetail">

                         <xsl:element name="language"><xsl:value-of select="v1:language"/></xsl:element>
                         <xsl:element name="Description">

                          <xsl:value-of select="v1:Description"/></xsl:element>

                         </xsl:element>
                       </xsl:for-each>

                    </xsl:element>

                   <xsl:element name="Status"><xsl:value-of select="v1:Status"/></xsl:element>
                  <xsl:element name="Parent"><xsl:value-of select="v1:Parent"/></xsl:element>

                </xsl:element>                
              </xsl:for-each>
              <xsl:element name="messageId"><xsl:value-of select="wsa:messageID"/>
    </xsl:element>
             </xsl:element>


                    </xsl:template>



    </xsl:stylesheet>

预期输出：

    <?xml version="1.0" encoding="UTF-8"?>
    <ProcessDistr >
      <Group >
        <GroupID>437848</GroupID>
         <GroupDetails>
         <GroupDetail>
                <language>De</language>
                <description>Deutsch</description>
         </GroupDetail>
         <GroupDetail>
                <language>En</language>
                <description>English</description>
         </GroupDetail>
       </GroupDetails>
        <Status>true</Status>
        <Parent>45434554</Parent>
      </Group>
      <Group >
        <GroupID>437849</GroupID>
        <GroupDetails>
          <GroupDetail>
                <language>Tu</language>
                <description>Turkish</description>
         </GroupDetail>
         <GroupDetail>
                <language>Fr</language>
                <description>French</description>
         </GroupDetail>
       </GroupDetails>
        <Status>true</Status>
        <Parent>45434555</Parent>
      </Group>
      <messageId>04383-34380-3439939</messageId>
    </ProcessDistr>

请帮助我输入此代码

非常感谢您。

致以最诚挚的问候，卫星N

Answer 1

您的XSLT的主要问题是（第20行）：

<xsl:for-each select="//v1:GroupDetails/v1:GroupDetail">

以//开头的路径将选择根节点的所有后代，而不管当前上下文如何。您只想处理当前v1:Group的后代，因此需要将其更改为：

<xsl:for-each select="v1:GroupDetails/v1:GroupDetail">

还请注意，XML区分大小写：

<xsl:value-of select="v1:Description"/>

不会返回名为v1:description的元素的值。

我还建议使用literal result elements代替xsl:element指令。需要在运行时确定元素名称时，请使用xsl:element。

Answer 2

请帮助我输入此代码

尊敬的Satish，

提供的代码的主要问题不在第20行，尽管解决此问题有助于获得所需的输出。

主要问题是代码没有使用强大的XSLT处理模型，使用该模型可以在没有任何<xsl:for-each>指令的情况下表示解决方案。而且，可以缩小代码并使之更紧凑，更易理解和可维护。

这里是一个入门解决方案（30行），显示了如何实现：

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/"
  xmlns:v1="http://xmldefs. ag.com/Applications/eer/V1" xmlns:wsa="http://www.w3.org/2005/08/addressing"
  exclude-result-prefixes="soap-env wsa v1">
 <xsl:output omit-xml-declaration="yes" indent="yes"/>
 <xsl:strip-space elements="*"/>

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

  <xsl:template match="/*">
    <xsl:apply-templates select="soap-env:Body"/>
  </xsl:template>

  <xsl:template match="v1:ProcessDistr">
    <ProcessDistr>
      <xsl:apply-templates/>
      <xsl:apply-templates select="/*/soap-env:Header/wsa:messageId"/>
    </ProcessDistr>
  </xsl:template>

  <xsl:template match="v1:* | wsa:*">
   <xsl:element name="{local-name()}">
     <xsl:apply-templates select="node()|@*"/>
   </xsl:element>
  </xsl:template>
  <xsl:template match="soap-env:*"><xsl:apply-templates/></xsl:template>
</xsl:stylesheet>

将此转换应用于提供的XML文档时：

<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
    xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
    xmlns:v1="http://xmldefs. ag.com/Applications/eer/V1" xmlns:wsa="http://www.w3.org/2005/08/addressing">
    <SOAP-ENV:Header>
        <wsa:messageId>04383-34380-3439939</wsa:messageId>
    </SOAP-ENV:Header>
    <SOAP-ENV:Body>
        <v1:ProcessDistr xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <v1:Group xmlns:ns2="http://xmldefs.ag.com/DD/Commons">
                <v1:GroupID>437848</v1:GroupID>
                <v1:GroupDetails>
                    <v1:GroupDetail>
                        <v1:language>De</v1:language>
                        <v1:description>Deutsch</v1:description>
                    </v1:GroupDetail>
                    <v1:GroupDetail>
                        <v1:language>En</v1:language>
                        <v1:description>English</v1:description>
                    </v1:GroupDetail>
                </v1:GroupDetails>
                <v1:Status>true</v1:Status>
                <v1:Parent>45434554</v1:Parent>
            </v1:Group>
            <v1:Group xmlns:ns2="http://xmldefs.ag.com/DD/Commons">
                <v1:GroupID>437849</v1:GroupID>
                <v1:GroupDetails>
                    <v1:GroupDetail>
                        <v1:language>Tu</v1:language>
                        <v1:description>Turkish</v1:description>
                    </v1:GroupDetail>
                    <v1:GroupDetail>
                        <v1:language>Fr</v1:language>
                        <v1:description>French</v1:description>
                    </v1:GroupDetail>
                </v1:GroupDetails>
                <v1:Status>true</v1:Status>
                <v1:Parent>45434555</v1:Parent>
            </v1:Group>
        </v1:ProcessDistr>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

产生了所需的正确结果：

<ProcessDistr>
   <Group>
      <GroupID>437848</GroupID>
      <GroupDetails>
         <GroupDetail>
            <language>De</language>
            <description>Deutsch</description>
         </GroupDetail>
         <GroupDetail>
            <language>En</language>
            <description>English</description>
         </GroupDetail>
      </GroupDetails>
      <Status>true</Status>
      <Parent>45434554</Parent>
   </Group>
   <Group>
      <GroupID>437849</GroupID>
      <GroupDetails>
         <GroupDetail>
            <language>Tu</language>
            <description>Turkish</description>
         </GroupDetail>
         <GroupDetail>
            <language>Fr</language>
            <description>French</description>
         </GroupDetail>
      </GroupDetails>
      <Status>true</Status>
      <Parent>45434555</Parent>
   </Group>
   <messageId>04383-34380-3439939</messageId>
</ProcessDistr>

XSLT是一种很棒的语言，当使用它的全部功能时，它将为我们提供简短而优雅的解决方案。有很好的学习资源等待被发现。

在XSLT中处理多个For循环

2 个答案: