如何使用xslt對最小值進行排序？下面

Question

是我所謂的XML文件的test.xml

<products> 
    <supplier> 
     <supplierid>1001</supplierid> 
     <totalprice>30</totalprice> 
     <items> 
      <item>Pen</item> 
      <price>10</price> 
     </items> 
     <items> 
      <item>Pencil</item> 
      <price>5</price> 
     </items> 
     <items> 
      <item>Bag</item> 
      <price>15</price> 
     </items> 
    </supplier> 
    <supplier> 
     <supplierid>1001</supplierid> 
     <totalprice>23</totalprice> 
     <items> 
      <item>Pencil</item> 
      <price>8</price> 
     </items> 
     <items> 
      <item>Pen</item> 
      <price>5</price> 
     </items> 
     <items> 
      <item>Bag</item> 
      <price>10</price> 
     </items>   
    </supplier> 
    <supplier> 
     <supplierid>1001</supplierid> 
     <totalprice>24</totalprice> 
     <items> 
      <item>Paper Box</item> 
      <price>7</price> 
     </items> 
     <items> 
      <item>Pen</item> 
      <price>4</price> 
     </items> 
     <items> 
      <item>Bag</item> 
      <price>13</price> 
     </items> 
    </supplier> 
    <supplier> 
     <supplierid>1002</supplierid> 
     <totalprice>26</totalprice> 
     <items> 
      <item>Sharpner Box</item> 
      <price>7</price> 
     </items> 
     <items> 
      <item>Pen</item> 
      <price>4</price> 
     </items> 
     <items> 
      <item>Bag</item> 
      <price>15</price> 
     </items> 
    </supplier> 
</products> 

我需要輸出類似下面使用XSL 1.0或2.0

<products> 
    <supplier> 
     <supplierid>1001</supplierid> 
     <totalprice>23</totalprice> 
     <items> 
      <item>Pencil</item> 
      <price>8</price> 
     </items> 
     <items> 
      <item>Pen</item> 
      <price>5</price> 
     </items> 
     <items> 
      <item>Bag</item> 
      <price>10</price> 
     </items>   
    </supplier> 
    <supplier> 
     <supplierid>1001</supplierid> 
     <totalprice>24</totalprice> 
     <items> 
      <item>Paper Box</item> 
      <price>7</price> 
     </items> 
     <items> 
      <item>Pen</item> 
      <price>4</price> 
     </items> 
     <items> 
      <item>Bag</item> 
      <price>13</price> 
     </items> 
    </supplier> 
    <supplier> 
     <supplierid>1002</supplierid> 
     <totalprice>26</totalprice> 
     <items> 
      <item>Sharpner Box</item> 
      <price>7</price> 
     </items> 
     <items> 
      <item>Pen</item> 
      <price>4</price> 
     </items> 
     <items> 
      <item>Bag</item> 
      <price>15</price> 
     </items> 
    </supplier> 
</products> 

1. 排序從 「同一供應商」 價格更低，例如<supplierid>1001</supplierid>
2. 基於那裏子節點<items>
3. 1001/23和1001/30是基於那裏相同<items><item>。我們需要從列表中刪除1001/30。因爲它是高價格

Answer 1

根據您喜歡基於他們totalprice供應商排序的假設：

<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="2.0"> 
<xsl:template match="/"> 
<products> 
    <xsl:for-each select="products/supplier"> 
    <xsl:sort select="totalprice" data-type="number" order="ascending"/> 
     <xsl:copy-of select="."/> 
    </xsl:for-each> 
</products> 
</xsl:template> 
</xsl:transform> 

Answer 2

這將首先排序基於supplierid，其次根據自己totalprice

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> 
    <xsl:template match="@*|node()"> 
     <xsl:copy> 
      <xsl:apply-templates select="@*|node()"> 
       <xsl:sort select="supplierid"/> <!-- 1st level sorting --> 
       <xsl:sort select="totalprice"/> <!-- 2nd level sorting --> 
       <xsl:sort select="price"/>  <!-- 3rd level sorting --> 
      </xsl:apply-templates> 
     </xsl:copy> 
    </xsl:template> 
</xsl:stylesheet> 

注意：您可以使用免費的在線工具Online XSLT Test Tool來測試您的xml/xslt文件。