[英]When XSLT for-each is in a loop. How can I add an attribute or node to that XML based on other XML value. USING XSLT
Can any one help me to sort this problem? 谁能帮我解决这个问题?
I have an XML and filtering the values based on some condition. 我有一个XML,并根据某些条件过滤值。 Storing the filtered xml in a variable. 将过滤后的xml存储在变量中。 While filtering the condition, I'm trying to add an attribute or node to the filtered xml but it is not working for me.. 在过滤条件时,我正在尝试向过滤的xml中添加属性或节点,但它对我不起作用。
Input XML: 输入XML:
<root>
<a id="13">
<b>XXX1</b>
<c>YYY1</c>
</a>
<a id="2">
<b>XXX2</b>
<c>YYY2</c>
</a>
<a id="15">
<b>XXX3</b>
<c>YYY3</c>
</a>
<a id="37">
<b>XXX4</b>
<c>YYY4</c>
</a>
<a id="51">
<b>XXX5</b>
<c>YYY5</c>
</a>
</root>
Another XML which is stored in a variable called "data" (this is for filtering): 另一种XML存储在称为“数据”的变量中(用于过滤):
<sample>
<con id="37" order="1"/>
<con id="13" order="2"/>
<con id="51" order="3"/>
<con id="2" order="4"/>
<con id="15" order="5"/>
</sample>
Using XSLT, I'm trying to filter & add a element in this way. 使用XSLT,我试图以这种方式过滤和添加元素。
<xsl:variable name="filteredData">
<newroot>
<xsl:for-each select="/root/a[@id > 14]">
<xsl:if test="msxsl:node-set($data)/sample/con[@id = current()/@id]/@id = current()/@id">
<xsl:element name="order">
<xsl:value-of select="msxsl:node-set($data)/sample/con[@id = current()/@id]/@order"/>
</xsl:element>
</xsl:if>
</xsl:for-each>
</newroot>
</xsl:variable>
OUTPUT XML (ie, "filteredData" variable should contain below XML): 输出XML(即“ filteredData”变量应包含以下XML):
<newroot>
<a id="15">
<b>XXX3</b>
<c>YYY3</c>
<order>5</order>
</a>
<a id="37">
<b>XXX4</b>
<c>YYY4</c>
<order>1</order>
</a>
<a id="51">
<b>XXX5</b>
<c>YYY5</c>
<order>3</order>
</a>
</newroot>
Try using a lookup table with the key function as in this example Tip: XSLT Lookup Table 尝试使用具有此示例中的键功能的查找表提示:XSLT查找表
I was able to get the following snippet to produce an xml document which matched your output above. 我能够获得以下代码片段,以生成与您上面的输出匹配的xml文档。 The filtering data in the xslt below has been loaded from a separate document but it should be easy to adapt. 下面的xslt中的过滤数据是从单独的文档中加载的,但是应该很容易适应。
<xsl:key name="id-lookup" match="con" use="@id"/>
<xsl:variable name="id-top" select="document('<lookup file>')/sample"/>
<xsl:template match="root">
<newroot>
<xsl:for-each select="a[@id > 14]">
<xsl:copy>
<xsl:copy-of select="@*|node()"/>
<xsl:element name="order">
<xsl:apply-templates select="$id-top">
<xsl:with-param name="curr-label" select="."/>
</xsl:apply-templates>
</xsl:element>
</xsl:copy>
</xsl:for-each>
</newroot>
</xsl:template>
<xsl:template match="sample">
<xsl:param name="curr-label"/>
<xsl:value-of select="key('id-lookup', $curr-label/@id)/@order"/>
</xsl:template>
Based on inputs, now I tried & implemented with another form of representation. 基于输入,现在我尝试并实现了另一种表示形式。
New XSLT Code: 新的XSLT代码:
<xsl:variable name="filteredData">
<newroot>
<xsl:for-each select="/root/a[@id > 14]">
<xsl:copy>
<xsl:copy-of select="@*|node()"/>
<xsl:element name="Order">
<xsl:choose>
<xsl:when test="msxsl:node-set($data)/sample/con[@id = current()/@id]/@id = current()/@id">
<xsl:value-of select="msxsl:node-set($data)/sample/con[@id = current()/@id]/@order"/>
</xsl:when>
<xsl:otherwise>
<xsl:text> </xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:element>
</xsl:copy>
</xsl:for-each>
</newroot>
</xsl:variable>
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