xml - 如何使用xslt从每条记录中获取基于另一个元素值的元素值

Question

我需要根据每条记录中的另一个元素值获取一个元素值。我必须根据第二个元素值将它们分为两组。标准：

如果 RECORD_TYPE='WARNING' 那么我必须打印 WARNINGS:ERROR_DESC 下所有记录的所有 ERROR_DESC 值 如果 RECORD_TYPE='ERROR' 然后我必须打印 ERRORS:ERROR_DESC 下所有记录的所有 ERROR_DESC 值

每个错误描述都应打印在新行中。

<root>
<SellOutErrorRecord>
        <RECORD_TYPE>WARNING</RECORD_TYPE>
        <ERROR_DESC>record 1:location id is invalid</ERROR_DESC>
        <RECORD_NO>1</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>336549R-001</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>LA</PRODUCT_LINE>
    </SellOutErrorRecord>
    <SalesInErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 1:location id is invalid</ERROR_DESC>
        <RECORD_NO>1</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>336549R-001</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>LA</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>C</PRODUCT_LINE_TYPE>
    </SalesInErrorRecord>
    <SellOutErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 2:SO:invoiced net amount is invalid</ERROR_DESC>
        <RECORD_NO>2</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>3X-KN73C-DB</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>HA</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SellOutErrorRecord>
    <SellOutErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 3:SO:transaction currency is invalid</ERROR_DESC>
        <RECORD_NO>3</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SellOutErrorRecord>
    <SalesInErrorRecord>
        <RECORD_TYPE>WARNING</RECORD_TYPE>
        <ERROR_DESC>record 3:SI:buy quantity is zero</ERROR_DESC>
        <RECORD_NO>3</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SalesInErrorRecord>
    <SalesInErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 3:SI:transaction document id is invalid</ERROR_DESC>
        <RECORD_NO>3</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SalesInErrorRecord>
    <SellOutErrorRecord>
        <RECORD_TYPE>WARNING</RECORD_TYPE>
        <ERROR_DESC>record 4:SO:invoiced net amount is invalid</ERROR_DESC>
        <RECORD_NO>4</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>445860-B21</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>MV</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>C</PRODUCT_LINE_TYPE>
    </SellOutErrorRecord>
    <SalesInErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 5:SI:transaction currency is null or invalid</ERROR_DESC>
        <RECORD_NO>5</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SalesInErrorRecord>
    <InventoryErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 6:product id is invalid</ERROR_DESC>
        <RECORD_NO>6</RECORD_NO>
        <LOCATION_NAME>XYZ XYZ</LOCATION_NAME>
        <PRODUCT_NUMBER>331184-B21</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0S1</PRODUCT_OPTION>
        <PRODUCT_LINE>R8</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </InventoryErrorRecord>
    <SellOutErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 6:SO:invoiced net amount is invalid</ERROR_DESC>
        <RECORD_NO>6</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
</SellOutErrorRecord>
</root>

预期的输出是

ERRORS:
<ERROR>record 1:location id is invalid</ERROR>
<ERROR>record 2:SO:invoiced net amount is invalid</ERROR>
<ERROR>record 3:SO:transaction currency is invalid</ERROR>
<ERROR>record 3:SI:transaction document id is invalid</ERROR>
<ERROR>record 5:SI:transaction currency is null or invalid</ERROR>
<ERROR>record 6:product id is invalid</ERROR>
<ERROR>record 6:SO:invoiced net amount is invalid</ERROR>

WARNINGS:
<ERROR>record 1:location id is invalid</ERROR>
<ERROR>record 3:SI:buy quantity is zero</ERROR>
<ERROR>record 4:SO:invoiced net amount is invalid</ERROR>

Answer 1

This transformation:

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

 <xsl:template match="/*">
     <xsl:apply-templates select="*[RECORD_TYPE = 'ERROR']"/>
     <xsl:apply-templates select="*[RECORD_TYPE = 'WARNING']"/>
 </xsl:template>

 <xsl:template match="root/*">
  <xsl:if test="position() = 1">
   <xsl:value-of select="concat('&#xA;', '&#xA;', RECORD_TYPE, 'S:', '&#xA;')"/>
  </xsl:if>
  <ERROR><xsl:value-of select="ERROR_DESC"/></ERROR>
 </xsl:template>
</xsl:stylesheet>

when applied on the provided XML document:

<root>
    <SellOutErrorRecord>
        <RECORD_TYPE>WARNING</RECORD_TYPE>
        <ERROR_DESC>record 1:location id is invalid</ERROR_DESC>
        <RECORD_NO>1</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>336549R-001</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>LA</PRODUCT_LINE>
    </SellOutErrorRecord>
    <SalesInErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 1:location id is invalid</ERROR_DESC>
        <RECORD_NO>1</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>336549R-001</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>LA</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>C</PRODUCT_LINE_TYPE>
    </SalesInErrorRecord>
    <SellOutErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 2:SO:invoiced net amount is invalid</ERROR_DESC>
        <RECORD_NO>2</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>3X-KN73C-DB</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>HA</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SellOutErrorRecord>
    <SellOutErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 3:SO:transaction currency is invalid</ERROR_DESC>
        <RECORD_NO>3</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SellOutErrorRecord>
    <SalesInErrorRecord>
        <RECORD_TYPE>WARNING</RECORD_TYPE>
        <ERROR_DESC>record 3:SI:buy quantity is zero</ERROR_DESC>
        <RECORD_NO>3</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SalesInErrorRecord>
    <SalesInErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 3:SI:transaction document id is invalid</ERROR_DESC>
        <RECORD_NO>3</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SalesInErrorRecord>
    <SellOutErrorRecord>
        <RECORD_TYPE>WARNING</RECORD_TYPE>
        <ERROR_DESC>record 4:SO:invoiced net amount is invalid</ERROR_DESC>
        <RECORD_NO>4</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>445860-B21</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>MV</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>C</PRODUCT_LINE_TYPE>
    </SellOutErrorRecord>
    <SalesInErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 5:SI:transaction currency is null or invalid</ERROR_DESC>
        <RECORD_NO>5</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SalesInErrorRecord>
    <InventoryErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 6:product id is invalid</ERROR_DESC>
        <RECORD_NO>6</RECORD_NO>
        <LOCATION_NAME>XYZ XYZ</LOCATION_NAME>
        <PRODUCT_NUMBER>331184-B21</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0S1</PRODUCT_OPTION>
        <PRODUCT_LINE>R8</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </InventoryErrorRecord>
    <SellOutErrorRecord>
        <RECORD_TYPE>ERROR</RECORD_TYPE>
        <ERROR_DESC>record 6:SO:invoiced net amount is invalid</ERROR_DESC>
        <RECORD_NO>6</RECORD_NO>
        <LOCATION_NAME>XYZ el</LOCATION_NAME>
        <PRODUCT_NUMBER>339112-B25</PRODUCT_NUMBER>
        <PRODUCT_OPTION>0D1</PRODUCT_OPTION>
        <PRODUCT_LINE>J3</PRODUCT_LINE>
        <PRODUCT_LINE_TYPE>E</PRODUCT_LINE_TYPE>
    </SellOutErrorRecord>
</root>

produces the wanted, correct result:

ERRORS:
<ERROR>record 1:location id is invalid</ERROR>
<ERROR>record 2:SO:invoiced net amount is invalid</ERROR>
<ERROR>record 3:SO:transaction currency is invalid</ERROR>
<ERROR>record 3:SI:transaction document id is invalid</ERROR>
<ERROR>record 5:SI:transaction currency is null or invalid</ERROR>
<ERROR>record 6:product id is invalid</ERROR>
<ERROR>record 6:SO:invoiced net amount is invalid</ERROR>

WARNINGS:
<ERROR>record 1:location id is invalid</ERROR>
<ERROR>record 3:SI:buy quantity is zero</ERROR>
<ERROR>record 4:SO:invoiced net amount is invalid</ERROR>