按照它们在XML中出现的顺序显示元素
我在XSLT和XML方面相对较新。 我正在尝试使用如下所示的部分转换XML文件：
<messageTypes>
<id>EOL</id>
<Headline>this is the headline of a message
</Headline>
<Description>1. This is the description of a message</Description>
<infoTable>
<fieldName>EOL</fieldName>
<DTLink>
<DTLinkL>string(3)</DTLinkL>
<DTLinkT>string(3)</DTLinkT>
</DTLink>
<fieldSize>1</fieldSize>
<fieldValue>0x42</fieldValue>
<descriptionWithLink>
<Description>it's the end of the world as we know it</Description>
<XLink>
<XLinkL>https://stackoverflow.com/questions/13780145/inserting-images-from-xml-to-xsl-document
</XLinkL>
<XLinkT>here's a link for ye</XLinkT>
</XLink>
<SLink>
<SLinkL>header</SLinkL>
<SLinkT>This is also like this type of structure header</SLinkT>
</SLink>
</descriptionWithLink>
</infoTable>
<optionalElement id="Choice 1">
<fieldName>option A</fieldName>
<DTLink>
<DTLinkL>string(4)</DTLinkL>
<DTLinkT>string(4)</DTLinkT>
</DTLink>
<fieldSize>1</fieldSize>
<fieldValue>0xdeadbeef</fieldValue>
<descriptionWithLink>
<Description>dead beef is dead beef</Description>
<XLink>
<XLinkL>https://stackoverflow.com/questions/13780145/inserting-images-from-xml-to-xsl-document
</XLinkL>
<XLinkT>here's a link for ye</XLinkT>
</XLink>
</descriptionWithLink>
</optionalElement>
<infoTable>
<fieldName>EOL</fieldName>
<DTLink>
<DTLinkL>string(2)</DTLinkL>
<DTLinkT>string(2)</DTLinkT>
</DTLink>
<fieldSize>1</fieldSize>
<fieldValue>0x42</fieldValue>
<descriptionWithLink>
<Description>it's the end of the world as we know it</Description>
<XLink>
<XLinkL>https://stackoverflow.com/questions/13780145/inserting-images-from-xml-to-xsl-document
</XLinkL>
<XLinkT>here's a link for ye</XLinkT>
</XLink>
<SLink>
<SLinkL>middle</SLinkL>
<SLinkT>This is also like this type of structure middle</SLinkT>
</SLink>
</descriptionWithLink>
</infoTable>
能够表达这一点：
表格部分的“if”分解使得 1.你可以在这里拥有一个元素（这将导致更常见的消息类型）或另一个元素（这将导致不同但更罕见的元素类型）。 2.需要注意的是，OptionalElement中详述的可能部分并不常见，但可能会发生。
我构建的XSL看起来像这样：
<h1>Messages</h1>
<xsl:for-each
select="m:SectionMessageTypes/m:messageTypes">
<xsl:variable name="MessageID" select="m:id" />
<h3 id="{$MessageID}">
<xsl:value-of select="m:Headline" />
</h3>
<p>
<xsl:value-of select="m:Description" />
</p>
<table width="80%" border="2" cellpadding="5">
<tr bgcolor="#87CEFA">
<td>Name</td>
<td>Type</td>
<td>Size</td>
<td>Value</td>
<td>Description</td>
</tr>
<xsl:for-each select="m:infoTable">
<xsl:variable name="MessageID" select="m:id" />
<tr>
<xsl:choose>
<xsl:when test="m:fieldName='header'">
<td>
<a href="#header">Header</a>
</td>
</xsl:when>
<xsl:otherwise>
<td>
<xsl:value-of select="m:fieldName" />
</td>
</xsl:otherwise>
</xsl:choose>
<td>
<xsl:variable name="DTLinkV"
select="m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of select="m:DTLink/m:DTLinkT" />
</a>
</td>
<td>
<xsl:value-of select="m:fieldSize" />
</td>
<td>
<xsl:value-of select="m:fieldValue" />
</td>
<td>
<xsl:value-of
select="m:descriptionWithLink/m:Description" />
<br />
<xsl:if test="m:descriptionWithLink/m:XLink">
<xsl:variable name="XLinkV"
select="m:descriptionWithLink/m:XLink/m:XLinkL" />
<a href="{$XLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:XLink/m:XLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DLink">
<xsl:variable name="DLinkV"
select="m:descriptionWithLink/m:DLink/m:DLinkL" />
<a href="#{$DLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DLink/m:DLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:MLink">
<xsl:variable name="MLinkV"
select="m:descriptionWithLink/m:MLink/m:MLinkL" />
<a href="#{$MLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:MLink/m:MLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DTLink">
<xsl:variable name="DTLinkV"
select="m:descriptionWithLink/m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DTLink/m:DTLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:SLink">
<xsl:variable name="SLinkV"
select="m:descriptionWithLink/m:SLink/m:SLinkL" />
<a href="#{$SLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:SLink/m:SLinkT" />
</a>
<br />
</xsl:if>
</td>
</tr>
</xsl:for-each>
</table>
<table width="80%" border="2" cellpadding="5">
<tr bgcolor="#E0FFFF">
<td>Name</td>
<td>Type</td>
<td>Size</td>
<td>Value</td>
<td>Description</td>
</tr>
<xsl:for-each select="m:optionalElement">
<tr>
<img src="./Flowchart_condition_symbol.svg.png" width="42"
height="42" />
<xsl:value-of select="@id" />
</tr>
<tr>
<xsl:choose>
<xsl:when test="m:fieldName='header'">
<td>
<a href="#header">Header</a>
</td>
</xsl:when>
<xsl:otherwise>
<td>
<xsl:value-of select="m:fieldName" />
</td>
</xsl:otherwise>
</xsl:choose>
<td>
<xsl:variable name="DTLinkV"
select="m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of select="m:DTLink/m:DTLinkT" />
</a>
</td>
<td>
<xsl:value-of select="m:fieldSize" />
</td>
<td>
<xsl:value-of select="m:fieldValue" />
</td>
<td>
<xsl:value-of
select="m:descriptionWithLink/m:Description" />
<br />
<xsl:if test="m:descriptionWithLink/m:XLink">
<xsl:variable name="XLinkV"
select="m:descriptionWithLink/m:XLink/m:XLinkL" />
<a href="{$XLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:XLink/m:XLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DLink">
<xsl:variable name="DLinkV"
select="m:descriptionWithLink/m:DLink/m:DLinkL" />
<a href="#{$DLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DLink/m:DLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:MLink">
<xsl:variable name="MLinkV"
select="m:descriptionWithLink/m:MLink/m:MLinkL" />
<a href="#{$MLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:MLink/m:MLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DTLink">
<xsl:variable name="DTLinkV"
select="m:descriptionWithLink/m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DTLink/m:DTLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:SLink">
<xsl:variable name="SLinkV"
select="m:descriptionWithLink/m:SLink/m:SLinkL" />
<a href="#{$SLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:SLink/m:SLinkT" />
</a>
<br />
</xsl:if>
</td>
</tr>
</xsl:for-each>
</table>
这使得HTML页面看起来像这样：
正如您所看到的......两个InfoTable元素之间没有出现OptionalElement。
是否有非css方式这样做？
这是一个工作项目，我还没有时间框架进入CSS，我很害怕。
2 个答案:
答案 0 :(得分：0)
将内部for-each循环更改为
<xsl:for-each select="m:infoTable | m:optionalElement">
然后，m:optionalElement将在两个m:infoTable元素之间按文档顺序处理。
在循环中，如果处理不同（确实如此），则必须区分这两者。例如
<xsl:choose>
<xsl:when test="self::m:infoTable">
...
</xsl:when>
<xsl:when test="self::m:optionalElement">
<h1>OPTION</h1>
</xsl:when>
</xsl:choose>
答案 1 :(得分：0)
我明白了！
首先，在XSD中将optionalElement添加到infoTable中，将另一个名为rowType的新元素添加到：
<xs:element name="infoTable">
<xs:complexType>
<xs:all>
<xs:element name="id" type="xs:string" minOccurs="0" />
<xs:element name="fieldName" type="xs:string"
minOccurs="0" />
<xs:element name="fieldType" type="xs:string"
minOccurs="0" />
<xs:element ref="DTLink" minOccurs="0" />
<xs:element name="fieldSize" type="xs:string"
minOccurs="0" />
<xs:element name="fieldValue" type="xs:string"
minOccurs="0" />
<xs:element ref="descriptionWithLink" minOccurs="0" />
<xs:element name="rowType" minOccurs="0" />
<xs:element name="optionalElement" minOccurs="0"/>
<xs:element ref="Example" minOccurs="0" />
</xs:all>
</xs:complexType>
</xs:element>
然后，像这样创建每个infoTable元素：
<infoTable>
<rowType>else</rowType>
<optionalElement>
CLIENT_SECURE_CONNECTION is not set in either
server-caps or client-caps
</optionalElement>
<fieldName>Password</fieldName>
<DTLink>
<DTLinkL>NullTerminatedString</DTLinkL>
<DTLinkT>NullTerminatedString</DTLinkT>
</DTLink>
<fieldValue>varies</fieldValue>
<descriptionWithLink>
<Description>Plain text password. Used by older clients and
servers
</Description>
</descriptionWithLink>
</infoTable>
<infoTable>
<rowType>data</rowType>
<fieldName>DB Name</fieldName>
<DTLink>
<DTLinkL>NullTerminatedString</DTLinkL>
<DTLinkT>NullTerminatedString</DTLinkT>
</DTLink>
<fieldSize>Length </fieldSize>
<fieldValue>.</fieldValue>
<descriptionWithLink>
<Description>The database name to connect to. DB Name should be
taken from this field. Value is UTF-8 encoded.
</Description>
</descriptionWithLink>
</infoTable>
<infoTable>
<rowType>if</rowType>
<optionalElement>message contains more data</optionalElement>
<fieldName>Character Set</fieldName>
<DTLink>
<DTLinkL>int(2)</DTLinkL>
<DTLinkT>int(2)</DTLinkT>
</DTLink>
<fieldValue>2</fieldValue>
<descriptionWithLink>
<Description>The value is ignored. This have been proven in tests
against 5.1.23. In 5.7 the field doesn't arrive. Further research
is needed to identify if UUT information presents in the message
</Description>
</descriptionWithLink>
</infoTable>
然后，在XSL中执行：
<xsl:for-each select="m:infoTable">
<xsl:variable name="MessageID" select="m:id" />
<xsl:choose>
<xsl:when test="m:rowType='header'">
<tr>
<td colspan="5">
<a href="#header">Header</a>
</td>
</tr>
</xsl:when>
<xsl:when test="m:rowType='if'">
<tr>
<td bgcolor="#E0FFFF" colspan="5">
if {
<xsl:value-of select="m:optionalElement" />
</td>
</tr>
<tr>
<td>
<xsl:value-of select="m:fieldName" />
</td>
<td>
<xsl:variable name="DTLinkV"
select="m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of select="m:DTLink/m:DTLinkT" />
</a>
</td>
<td>
<xsl:value-of select="m:fieldSize" />
</td>
<td>
<xsl:value-of select="m:fieldValue" />
</td>
<td>
<xsl:value-of
select="m:descriptionWithLink/m:Description" />
<br />
<xsl:if test="m:descriptionWithLink/m:XLink">
<xsl:variable name="XLinkV"
select="m:descriptionWithLink/m:XLink/m:XLinkL" />
<a href="{$XLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:XLink/m:XLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DLink">
<xsl:variable name="DLinkV"
select="m:descriptionWithLink/m:DLink/m:DLinkL" />
<a href="#{$DLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DLink/m:DLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:MLink">
<xsl:variable name="MLinkV"
select="m:descriptionWithLink/m:MLink/m:MLinkL" />
<a href="#{$MLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:MLink/m:MLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DTLink">
<xsl:variable name="DTLinkV"
select="m:descriptionWithLink/m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DTLink/m:DTLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:SLink">
<xsl:variable name="SLinkV"
select="m:descriptionWithLink/m:SLink/m:SLinkL" />
<a href="#{$SLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:SLink/m:SLinkT" />
</a>
<br />
</xsl:if>
</td>
</tr>
<tr>
<td bgcolor="f8ffff" colspan="5"> }</td>
</tr>
</xsl:when>
<xsl:when test="m:rowType='else'">
<tr>
<td bgcolor="#E0FFFF" colspan="5">
else {
<xsl:value-of select="m:optionalElement" />
</td>
</tr>
<tr>
<td>
<xsl:value-of select="m:fieldName" />
</td>
<td>
<xsl:variable name="DTLinkV"
select="m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of select="m:DTLink/m:DTLinkT" />
</a>
</td>
<td>
<xsl:value-of select="m:fieldSize" />
</td>
<td>
<xsl:value-of select="m:fieldValue" />
</td>
<td>
<xsl:value-of
select="m:descriptionWithLink/m:Description" />
<br />
<xsl:if test="m:descriptionWithLink/m:XLink">
<xsl:variable name="XLinkV"
select="m:descriptionWithLink/m:XLink/m:XLinkL" />
<a href="{$XLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:XLink/m:XLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DLink">
<xsl:variable name="DLinkV"
select="m:descriptionWithLink/m:DLink/m:DLinkL" />
<a href="#{$DLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DLink/m:DLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:MLink">
<xsl:variable name="MLinkV"
select="m:descriptionWithLink/m:MLink/m:MLinkL" />
<a href="#{$MLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:MLink/m:MLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DTLink">
<xsl:variable name="DTLinkV"
select="m:descriptionWithLink/m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DTLink/m:DTLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:SLink">
<xsl:variable name="SLinkV"
select="m:descriptionWithLink/m:SLink/m:SLinkL" />
<a href="#{$SLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:SLink/m:SLinkT" />
</a>
<br />
</xsl:if>
</td>
</tr>
<tr>
<td bgcolor="f8ffff" colspan="5"> }</td>
</tr>
</xsl:when>
<xsl:otherwise>
<tr>
<td>
<xsl:value-of select="m:fieldName" />
</td>
<td>
<xsl:variable name="DTLinkV"
select="m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of select="m:DTLink/m:DTLinkT" />
</a>
</td>
<td>
<xsl:value-of select="m:fieldSize" />
</td>
<td>
<xsl:value-of select="m:fieldValue" />
</td>
<td>
<xsl:value-of
select="m:descriptionWithLink/m:Description" />
<br />
<xsl:if test="m:descriptionWithLink/m:XLink">
<xsl:variable name="XLinkV"
select="m:descriptionWithLink/m:XLink/m:XLinkL" />
<a href="{$XLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:XLink/m:XLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DLink">
<xsl:variable name="DLinkV"
select="m:descriptionWithLink/m:DLink/m:DLinkL" />
<a href="#{$DLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DLink/m:DLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:MLink">
<xsl:variable name="MLinkV"
select="m:descriptionWithLink/m:MLink/m:MLinkL" />
<a href="#{$MLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:MLink/m:MLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:DTLink">
<xsl:variable name="DTLinkV"
select="m:descriptionWithLink/m:DTLink/m:DTLinkL" />
<a href="#{$DTLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:DTLink/m:DTLinkT" />
</a>
<br />
</xsl:if>
<xsl:if test="m:descriptionWithLink/m:SLink">
<xsl:variable name="SLinkV"
select="m:descriptionWithLink/m:SLink/m:SLinkL" />
<a href="#{$SLinkV}">
<xsl:value-of
select="m:descriptionWithLink/m:SLink/m:SLinkT" />
</a>
<br />
</xsl:if>
</td>
</tr>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
结果确实是：
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