使用xslt我如何解决xml文件中的此特定元素？

Question

Never coded for XML before, totally lost with the various primers which all tell me to do something different. 以前从来没有为XML编码过，完全被各种入门知识所迷惑，这些入门知识告诉我要做不同的事情。 Which probably means you can do it different ways, but they all show single node situations and this isn't. 这可能意味着您可以采用不同的方式来执行此操作，但是它们都显示单节点情况，而事实并非如此。

I've tried various ways to pick out the WebDisplayPeriod but im convinced im not actually targetting the attribute of that one right. 我尝试了各种方法来挑选WebDisplayPeriod，但是我坚信我实际上并没有针对该权利的属性。 Would love someone to give me a push in the right direction please. 希望有人能帮助我朝正确的方向发展。 also any readable primers on more advanced use of XSLT would be appreciated as w3schools is rubbish ;) . 同样，由于w3schools是垃圾，因此任何有关XSLT更高级使用的可读入门知识都将受到赞赏；）。

I've got the following xml 我有以下xml

<?xml version="1.0" encoding="UTF-8"?>
<nr:RTPPMDataMsgV1 owner="Network Rail" timestamp="2010-08-05T10:27:04.0Z" classification="public" xsi:schemaLocation="http://xml.networkrail.co.uk/ns/2007/NR rtppm_messaging_v1.17.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:msg="http://xml.networkrail.co.uk/ns/2007/EAI" xmlns:nr="http://xml.networkrail.co.uk/ns/2007/NR">
 <msg:Sender application="RTPPM3" organisation="String"/>
  <msg:Publication>
  <msg:TopicID>RTPPM3/InternalPPM</msg:TopicID>
 </msg:Publication>
 <nr:RTPPMData snapshotTStamp="2010-08-05T10:27:02.0Z">
  <nr:SystemMsg/>
  <nr:RAGThresholds type="TOC" medium="87" good="92"/>
  <nr:RAGThresholds type="FOC" medium="70" good="80"/>
  <nr:RAGThresholds type="PPT" medium="85" good="91"/>
  <nr:WebPPMLink>http://connect/Performance/PPM/PPMGuide.doc x</nr:WebPPMLink>
   <nr:PPT rag="G" ragDisplayFlag="Y">93</nr:PPT>
 <nr:NationalPage WebDisplayPeriod="60">
  <nr:WebFixedMsg1>^&lt;5 mins; *&lt;10 mins</nr:WebFixedMsg1>
    <nr:WebFixedMsg2>The Public Performance Measure shows the performance of trains against the timetable, measured as the percentage of trains arriving at destination &apos;on time&apos;. </nr:WebFixedMsg2>
    <nr:WebMsgOfMoment>EC: 1S02 train defect at Balne.</nr:WebMsgOfMoment>
    <nr:StaleFlag>N</nr:StaleFlag>
    <nr:NationalPPM>
    <nr:Total>5079</nr:Total>
    <nr:OnTime>4842</nr:OnTime>
    <nr:Late>237</nr:Late>
    <nr:CancelVeryLate>47</nr:CancelVeryLate>
    <nr:PPM rag="G" ragDisplayFlag="N">95</nr:PPM>
    <nr:RollingPPM trendInd="-" rag="G">94</nr:RollingPPM>
  </nr:NationalPPM>
......

it goes on and on. 它会一直持续下去。 but the bit im interested in is in the section above. 但是即时通讯感兴趣的是上面的部分。

I'm using the following XSLT to turn it into a legible webpage: 我正在使用以下XSLT将其变成清晰的网页：

<?xml version="1.0" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format" xsi:schemaLocation="http://xml.networkrail.co.uk/ns/2007/NR rtppm_messaging_v1.6.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:msg="http://xml.networkrail.co.uk/ns/2007/EAI" xmlns:nr="http://xml.networkrail.co.uk/ns/2007/NR"  >
<xsl:output method="html" omit-xml-declaration="yes" indent="yes" />

<xsl:param name="mode">TOCPage</xsl:param>
<xsl:param name="location">internal-connect</xsl:param>
<xsl:param name="table1Count">11</xsl:param>
<xsl:param name="table2Count">23</xsl:param>

    <!-- Root template--> 
    <xsl:template match="/nr:RTPPMDataMsgV1/nr:RTPPMData">
        <xsl:element name="{nr:NationalPage}">
            <xsl:attribute name="{WebDisplayPeriod}" >
                <xsl:value-of select="."/>
            </xsl:attribute>
         </xsl:element>
 <html>
<head>
<meta http-equiv="content-type" CONTENT="text/css" />
<meta http-equiv="expires" CONTENT="-1" />
<meta http-equiv="pragma" CONTENT="no-cache" />
<meta http-equiv="cache-control" CONTENT="no-cache" />
<meta http-equiv="refresh" name="refresh" content="{$WebDisplayPeriod}" />
 <title>EC RTPPM Feed</title>
 <link rel="stylesheet" type="text/css" href="stylesheet.css" />
 <link rel="stylesheet" type="text/css" href="xslstylesheet.css" />
</head>

<body>
<p>Hello</p>
      <p>Hello</p>
</body>
</html>
</xsl:template >
</xsl:stylesheet>

and as youve guessed, it never picks up the WebDisplayPeriod. 就像您猜到的那样，它永远不会占用WebDisplayPeriod。

Answer 1

Try it something like this: 尝试这样的事情：

<xsl:template match="/nr:RTPPMDataMsgV1/nr:RTPPMData">
  <xsl:variable name="WebDisplayPeriod" select="./nr:NationalPage/@WebDisplayPeriod" />

 <html>
<head>
<meta http-equiv="content-type" CONTENT="text/css" />
<meta http-equiv="expires" CONTENT="-1" />
<meta http-equiv="pragma" CONTENT="no-cache" />
<meta http-equiv="cache-control" CONTENT="no-cache" />
<meta http-equiv="refresh" name="refresh" content="{$WebDisplayPeriod}" />
 <title>EC RTPPM Feed</title>
 <link rel="stylesheet" type="text/css" href="stylesheet.css" />
 <link rel="stylesheet" type="text/css" href="xslstylesheet.css" />
</head>

<body>
<p>Hello</p>
      <p>Hello</p>
</body>
</html>
</xsl:template >

Answer 2

简短而明确的答案是，您需要指定attribute轴（或简称@ ）来访问属性，例如：

/nr:RTPPMDataMsgV1/nr:RTPPMData/nr:NationalPage/@WebDisplayPeriod

使用xslt我如何解决xml文件中的此特定元素？

问题描述

2 个解决方案

解决方案1
1 已采纳 2010-08-09 08:40:00

解决方案2
0

使用xslt我如何解决xml文件中的此特定元素？

问题描述

2 个解决方案

解决方案1 1 已采纳 2010-08-09 08:40:00

解决方案2 0

解决方案1
1 已采纳 2010-08-09 08:40:00

解决方案2
0