XSL以及如何删除重复项

我在编写XSLT转换方面有问题。我想显示带有Node值的列：记录/记录/个人数据/个人达达尾巴每个人以下：根/数据/响应/人

所以我开始显示所有值 - 代码如下：

transformation.xsl

<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
  <html>
  <body>
    <table border="1">
    <xsl:for-each select="Root/Data/Response/Person">
    <tr>
      <td><xsl:value-of select="Name"/></td>
      <td>
    <xsl:for-each select="Records/Record/PersonalData/PersonalDataDetail[(@title='Country1' or @title='Country2' or @title='Country3')]">
      <xsl:value-of select="."/>
      <xsl:element name="br"/>
    </xsl:for-each>
      </td>
    </tr>
    </xsl:for-each>
    </table>
  </body>
  </html>
</xsl:template>
</xsl:stylesheet>

示例数据：

<?xml version="1.0" encoding="ISO-8859-1"?>
<?xml-stylesheet type="text/xsl" href="transformation.xsl"?>
<Root>
    <Data>
        <Response>
            <Person>
                <Name>Robert A.</Name>
                <Records>
                    <Record>
                        <PersonalData>
                            <PersonalDataDetail title="Lucky Number">529</PersonalDataDetail>
                            <PersonalDataDetail title="Favorite Color">Blue</PersonalDataDetail>
                        </PersonalData>
                    </Record>
                </Records>
            </Person>
            <Person>
                <Name>Robert B.</Name>
                <Records>
                    <Record>
                        <PersonalData>
                            <PersonalDataDetail title="Lucky Number">3</PersonalDataDetail>
                            <PersonalDataDetail title="Country1">USA</PersonalDataDetail>
                        </PersonalData>
                    </Record>
                    <Record>
                        <PersonalData>
                            <PersonalDataDetail title="Favorite Color">Red</PersonalDataDetail>
                            <PersonalDataDetail title="Country2">UK</PersonalDataDetail>
                        </PersonalData>
                    </Record>
                    <Record>
                        <PersonalData>
                            <PersonalDataDetail title="Flight">AAA000</PersonalDataDetail>
                            <PersonalDataDetail title="Country2">UK</PersonalDataDetail>
                        </PersonalData>
                    </Record>
                </Records>
            </Person>
            <Person>
                <Name>Robert C.</Name>
                <Records>
                    <Record>
                        <PersonalData>
                            <PersonalDataDetail title="Lucky Number">529</PersonalDataDetail>
                            <PersonalDataDetail title="Country1">UK</PersonalDataDetail>
                        </PersonalData>
                    </Record>
                    <Record>
                        <PersonalData>
                            <PersonalDataDetail title="Country3">Argentina</PersonalDataDetail>
                        </PersonalData>
                    </Record>
                    <Record>
                        <PersonalData>
                            <PersonalDataDetail title="Country3">Argentina</PersonalDataDetail>
                            <PersonalDataDetail title="Flight">BBB000</PersonalDataDetail>
                        </PersonalData>
                    </Record>
                </Records>
            </Person>
        </Response>
    </Data>
</Root>

当前结果

现在，我正在尝试删除重复项，但仅在人级别上。我尝试将for-for-for-for更改为：

records/record/personaldata/personalDataDatail [ not（。= recting ::*）]

，但它删除了考虑完整文档的内容的重复，不仅适用于人节点。

你能帮我吗？我必须使用XSLT 1.0。

在XSLT 1.0中删除重复项的首选方法是Muenchian分组。在您的情况下，复杂性是您只想将祖先Person元素分组。通过将Person的唯一ID添加到分组密钥来解决：

XSLT 1.0

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:key name="country" match="PersonalDataDetail[starts-with(@title, 'Country')]" use="concat(., '|', generate-id(ancestor::Person))" />
<xsl:template match="/Root">
    <html>
        <body>
            <table border="1">
                <xsl:for-each select="Data/Response/Person">
                    <xsl:variable name="person-id" select="generate-id()" />
                    <tr>
                        <td>
                            <xsl:value-of select="Name"/>
                        </td>
                        <td>
                            <xsl:for-each select="Records/Record/PersonalData/PersonalDataDetail[starts-with(@title, 'Country')][count(. | key('country', concat(., '|', $person-id))[1]) = 1]">
                                <xsl:value-of select="."/>
                                <br/>
                            </xsl:for-each>
                        </td>
                    </tr>
                </xsl:for-each>
            </table>
        </body>
    </html>
</xsl:template>
</xsl:stylesheet>

也就是说，一些XSLT 1.0处理器支持EXSLT set:distinct()扩展功能，这使您可以简化该过程：

XSLT 1.0 EXSLT

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:set="http://exslt.org/sets"
extension-element-prefixes="set">
<xsl:template match="/Root">
    <html>
        <body>
            <table border="1">
                <xsl:for-each select="Data/Response/Person">
                    <xsl:variable name="person-id" select="generate-id()" />
                    <tr>
                        <td>
                            <xsl:value-of select="Name"/>
                        </td>
                        <td>
                            <xsl:for-each select="set:distinct(Records/Record/PersonalData/PersonalDataDetail[starts-with(@title, 'Country')])">
                                <xsl:value-of select="."/>
                                <br/>
                            </xsl:for-each>
                        </td>
                    </tr>
                </xsl:for-each>
            </table>
        </body>
    </html>
</xsl:template>
</xsl:stylesheet>

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