按 xslt 中的属性分组

发布于 2024-10-14 03:21:39 字数 1328 浏览 2 评论 0原文

嗨，我有点陷入这个问题，我的 xml 是因为

<album>
     <title>album name</title>    
     <tracks>
           <track tracksequence="1" disksequence="1">track 1 - disc 1</track>
           <track tracksequence="2" disksequence="1">track 2 - disc 1</track>
           <track tracksequence="3" disksequence="1">track 3 - disc 1</track>
           <track tracksequence="1" disksequence="2">track 1 - disc 2</track>
           <track tracksequence="2" disksequence="2">track 2 - disc 2</track>
           <track tracksequence="3" disksequence="2">track 3 - disc 2</track>
           <track tracksequence="4" disksequence="2">track 4 - disc 2</track>
           <track tracksequence="1" disksequence="3">track 1 - disc 3</track>
           <track tracksequence="2" disksequence="3">track 2 - disc 3</track>
     </tracks>
</album>

我希望能够输出，因为

<div>
<span>album name disc 1</span>
track 1 disc 1
track 2 disc 1
track 3 disc 1
</div>

<div>
<span>album name disc 2</span>
track 1 disc 2
track 2 disc 2
track 3 disc 2
track 4 disc 2 
</div>

ect...

我确信我需要使用某种 Muenchian 分组，但我很难理解它以适应我的特定用途。

原文

Hi i am a little stuck with this problem my xml is as

<album>
     <title>album name</title>    
     <tracks>
           <track tracksequence="1" disksequence="1">track 1 - disc 1</track>
           <track tracksequence="2" disksequence="1">track 2 - disc 1</track>
           <track tracksequence="3" disksequence="1">track 3 - disc 1</track>
           <track tracksequence="1" disksequence="2">track 1 - disc 2</track>
           <track tracksequence="2" disksequence="2">track 2 - disc 2</track>
           <track tracksequence="3" disksequence="2">track 3 - disc 2</track>
           <track tracksequence="4" disksequence="2">track 4 - disc 2</track>
           <track tracksequence="1" disksequence="3">track 1 - disc 3</track>
           <track tracksequence="2" disksequence="3">track 2 - disc 3</track>
     </tracks>
</album>

i would like to be able to output as

<div>
<span>album name disc 1</span>
track 1 disc 1
track 2 disc 1
track 3 disc 1
</div>

<div>
<span>album name disc 2</span>
track 1 disc 2
track 2 disc 2
track 3 disc 2
track 4 disc 2 
</div>

ect...

im sure that i need to use some sort of Muenchian grouping but im having difficulty getting my head around it for my particular usage.

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差↓一点笑了 2024-10-21 03:21:39

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html" indent="yes"/>

<xsl:key name="sortByDisk" match="track" use="@disksequence"/>

<xsl:template match="/*">
    <body>
        <xsl:apply-templates select="tracks/track[
            count(. | key('sortByDisk', @disksequence)[1]) = 1
        ]"/>
    </body>
</xsl:template>

<xsl:template match="track">
    <div>
        <span>
            <xsl:value-of select="../../title"/>
            <xsl:text> disc</xsl:text>
            <xsl:value-of select="@disksequence"/>
        </span>
        <xsl:apply-templates select="key('sortByDisk', @disksequence)"
            mode="inner"/>
    </div>
</xsl:template>

<xsl:template match="track" mode="inner">
    <p><xsl:value-of select="."/></p>
</xsl:template>

</xsl:stylesheet>

输出（使用您的示例）：

<body>
    <div>
        <span>album name disc1</span>
        <p>track 1 - disc 1</p>
        <p>track 2 - disc 1</p>
        <p>track 3 - disc 1</p>
    </div>
    <div>
        <span>album name disc2</span>
        <p>track 1 - disc 2</p>
        <p>track 2 - disc 2</p>
        <p>track 3 - disc 2</p>
        <p>track 4 - disc 2</p>
    </div>
    <div>
        <span>album name disc3</span>
        <p>track 1 - disc 3</p>
        <p>track 2 - disc 3</p>
    </div>
</body>

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html" indent="yes"/>

<xsl:key name="sortByDisk" match="track" use="@disksequence"/>

<xsl:template match="/*">
    <body>
        <xsl:apply-templates select="tracks/track[
            count(. | key('sortByDisk', @disksequence)[1]) = 1
        ]"/>
    </body>
</xsl:template>

<xsl:template match="track">
    <div>
        <span>
            <xsl:value-of select="../../title"/>
            <xsl:text> disc</xsl:text>
            <xsl:value-of select="@disksequence"/>
        </span>
        <xsl:apply-templates select="key('sortByDisk', @disksequence)"
            mode="inner"/>
    </div>
</xsl:template>

<xsl:template match="track" mode="inner">
    <p><xsl:value-of select="."/></p>
</xsl:template>

</xsl:stylesheet>

Output (using your sample):

<body>
    <div>
        <span>album name disc1</span>
        <p>track 1 - disc 1</p>
        <p>track 2 - disc 1</p>
        <p>track 3 - disc 1</p>
    </div>
    <div>
        <span>album name disc2</span>
        <p>track 1 - disc 2</p>
        <p>track 2 - disc 2</p>
        <p>track 3 - disc 2</p>
        <p>track 4 - disc 2</p>
    </div>
    <div>
        <span>album name disc3</span>
        <p>track 1 - disc 3</p>
        <p>track 2 - disc 3</p>
    </div>
</body>

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