XSLT 고유 레코드를 가져 오는 제품

Question

입력 XML

<Products> 
    <Product> 
     <ProductDetail> 
      <ProductTitle>title1</ProductTitle> 
     </ProductDetail> 
     <Contact> 
      <ContactHome>adad</ContactHome> 
      <ContactInfo> 
       <ContactNum>1</ContactNum> 
       <ContactSINum>2</ContactSINum> 
      </ContactInfo> 
     </Contact> 
    </Product> 
    <Product> 
     <ProductDetail> 
      <ProductTitle>title2</ProductTitle> 
     </ProductDetail> 
     <Contact> 
      <ContactHome/> 
      <ContactInfo> 
       <ContactNum>3</ContactNum> 
       <ContactSINum>4</ContactSINum> 
      </ContactInfo> 
     </Contact> 
    </Product> 
    <Product> 
     <ProductDetail> 
      <ProductTitle>title1</ProductTitle> 
     </ProductDetail> 
     <Contact> 
      <ContactHome/> 
      <ContactInfo> 
       <ContactNum>1</ContactNum> 
       <ContactSINum>2</ContactSINum> 
      </ContactInfo> 
     </Contact> 
    </Product> 
</Products> 

출력 XML

<Productcoll> 
    <ProductINFO> 
     <ProductTitle>title1</ProductTitle> 
     <ContactNum>1</ContactNum> 
     <ContactSINum>2</ContactSINum> 
    </ProductINFO> 
    <ProductINFO> 
     <ProductTitle>title2</ProductTitle> 
     <ContactNum>3</ContactNum> 
     <ContactSINum>4</ContactSINum> 
    </ProductINFO> 
</Productcoll> 

키 사용하고 ID를 생성하여 XSLT로했습니다. 하지만 .... 키를 다른 지점의 노드를 사용하여 사용하는 방법? 공유 된 출력에 기초

는

Answer 1

, 은이 그룹화 <ProductTitle>, <ContactNum> 및 <ContactSINum> 만 그 값이 출력 XML로 추출한다에서 수행되어야하는 것으로 가정한다.

구분 기호를 사용하여 필요한 노드의 값을 연결하여 키를 정의 할 수 있습니다.

<xsl:key name="kProduct" match="Product" 
     use="concat(ProductDetail/ProductTitle, '|', Contact/ContactInfo/ContactNum, '|', Contact/ContactInfo/ContactSINum)" /> 

이어서 <Product> 노드를 통한 루프는 복합 키에 의해 그룹화 된 값의 첫 번째 인스턴스를 얻는다.

XSLT

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> 
    <xsl:output method="xml" indent="yes" /> 
    <xsl:strip-space elements="*" /> 

    <xsl:key name="kProduct" match="Product" 
     use="concat(ProductDetail/ProductTitle, '|', Contact/ContactInfo/ContactNum, '|', Contact/ContactInfo/ContactSINum)" /> 

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

    <xsl:template match="Products"> 
     <Productcoll> 
      <xsl:for-each select="Product[generate-id() = generate-id(key('kProduct', concat(ProductDetail/ProductTitle, '|', Contact/ContactInfo/ContactNum, '|', Contact/ContactInfo/ContactSINum))[1])]"> 
       <ProductINFO> 
        <xsl:apply-templates select="key('kProduct', concat(ProductDetail/ProductTitle, '|', Contact/ContactInfo/ContactNum, '|', Contact/ContactInfo/ContactSINum))[1]/ProductDetail/ProductTitle" /> 
        <xsl:apply-templates select="key('kProduct', concat(ProductDetail/ProductTitle, '|', Contact/ContactInfo/ContactNum, '|', Contact/ContactInfo/ContactSINum))[1]/Contact/ContactInfo/ContactNum" /> 
        <xsl:apply-templates select="key('kProduct', concat(ProductDetail/ProductTitle, '|', Contact/ContactInfo/ContactNum, '|', Contact/ContactInfo/ContactSINum))[1]/Contact/ContactInfo/ContactSINum" /> 
       </ProductINFO>  
      </xsl:for-each> 
     </Productcoll> 
    </xsl:template> 
</xsl:stylesheet> 

출력

<Productcoll> 
    <ProductINFO> 
     <ProductTitle>title1</ProductTitle> 
     <ContactNum>1</ContactNum> 
     <ContactSINum>2</ContactSINum> 
    </ProductINFO> 
    <ProductINFO> 
     <ProductTitle>title2</ProductTitle> 
     <ContactNum>3</ContactNum> 
     <ContactSINum>4</ContactSINum> 
    </ProductINFO> 
</Productcoll>