Question

我有一个类似下面的XSLT，并希望在apply-templates元素中使用xsl:for-each，因此我不必使用“{{的信息重复<tr>元素1}}“XML元素。

我正在尝试但没有成功创建cliente并将xsl:template放入xsl:apply-templates。

我知道我可以使用xsl:for-each，但有没有办法在xsl:call-template内外使用xsl:apply-templates？

关于如何做到这一点的任何想法？

for-each

Answer 1

在您xsl:for-each迭代的informacoes/cliente内，上下文节点将是当前的cliente元素。

为了apply-templates上下文节点，您可以在select语句中使用.。例如：

<xsl:for-each select="informacoes/cliente">
  <xsl:sort select="nome" order="ascending" />
  <xsl:apply-templates select="."/>
</xsl:for-each>

然后，创建模板以匹配cliente元素：

<xsl:template match="informacoes/cliente">
    <tr>
        <td bgcolor="LightGreen"><xsl:value-of  select="nome"/></td>
        <td><xsl:value-of  select="telefone"/></td>
        <td><xsl:value-of select="cidade"/></td>
        <td><xsl:value-of select="estado"/></td>
        <td><xsl:value-of select="credito"/></td>
    </tr>
</xsl:template>

您还可以通过使用<xsl:if>轴引用当前上下文节点，然后在谓词过滤器中应用测试条件来消除围绕某些项目的self::测试。上下文节点：

  <xsl:for-each select="informacoes/cliente">
     <xsl:sort select="nome" order="ascending" />
     <xsl:apply-templates select="self::*[estado='RJ']"/>
  </xsl:for-each>

将这些更改应用于示例样式表：

<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:template match="/">
        <html>
            <head><title>Informações</title></head>
            <body>
                <h1>Relação de Clientes</h1>
                <table border="2">
                    <tr bgcolor="LightBlue">
                        <th>Nome</th>
                        <th>Telefone</th>
                        <th>Cidade</th>
                        <th>Estado</th>
                        <th>Crédito</th>
                    </tr>
                    <tr>
                        <th colspan="6" bgcolor="LightPink">Critério usado abaixo: exibir todos os elementos ordenado por nome</th>
                    </tr>
                    <xsl:for-each select="informacoes/cliente">
                        <xsl:sort select="nome" order="ascending" />
                        <xsl:apply-templates select="."/>
                    </xsl:for-each>
                    <tr>
                        <th colspan="6" bgcolor="LightCyan"> Critério usado abaixo: exibir os clientes da cidade do Rio de Janeiro</th>
                    </tr>
                    <xsl:for-each select="informacoes/cliente">
                        <xsl:apply-templates select="self::*[cidade='Rio de Janeiro']"/>
                    </xsl:for-each>
                    <tr>
                        <th colspan="6" bgcolor="LightYellow"> Critério usado abaixo:  exibir os clientes do estado do RJ com ordenado pelo nome; </th>
                    </tr>
                    <xsl:for-each select="informacoes/cliente">
                        <xsl:sort select="nome" order="ascending" />
                        <xsl:apply-templates select="self::*[estado='RJ']"/>
                    </xsl:for-each>
                    <tr>
                        <th colspan="6" bgcolor="LightYellow"> Critério usado abaixo:  exibir os clientes com crédito entre 250 e 400, em ordem descendente de crédito) </th>
                    </tr>
                    <xsl:for-each select="informacoes/cliente">
                        <xsl:sort select="credito" order="descending" />
                        <xsl:apply-templates select="self::*[credito&gt;250 and credito&lt;400]"/>
                    </xsl:for-each>
                </table>
            </body>
        </html>
    </xsl:template>

    <xsl:template match="informacoes/cliente">
        <tr>
            <td bgcolor="LightGreen"><xsl:value-of  select="nome"/></td>
            <td><xsl:value-of  select="telefone"/></td>
            <td><xsl:value-of select="cidade"/></td>
            <td><xsl:value-of select="estado"/></td>
            <td><xsl:value-of select="credito"/></td>
        </tr>
    </xsl:template>
</xsl:stylesheet>

正如Dimitre Novatchev的回答所示，您可以通过删除xsl:for-each语句并调整xsl:apply-templates选择语句来进一步简化样式表。必要时在apply-templates内部应用xsl:sort，以确保按所需顺序处理选定的cliente元素。

<xsl:apply-templates select="informacoes/cliente[estado='RJ']">
  <xsl:sort select="nome" order="ascending" />
</xsl:apply-templates>

Answer 2

只需替换：

           <xsl:for-each select="informacoes/cliente"> 
           <xsl:sort select="nome" order="ascending" /> 
              <tr> 
                 <td bgcolor="LightGreen"><xsl:value-of  select="nome"/></td> 
                 <td><xsl:value-of  select="telefone"/></td> 
                 <td><xsl:value-of select="cidade"/></td> 
                 <td><xsl:value-of select="estado"/></td> 
                 <td><xsl:value-of select="credito"/></td> 
              </tr> 
           </xsl:for-each>

。通过：

<xsl:apply-templates select="informacoes/cliente"> <xsl:sort select="nome" order="ascending" /> </xsl:apply-templates>

同样，替换：

<xsl:for-each select="informacoes/cliente"> <xsl:if test="cidade='Rio de Janeiro'"> <tr> <td bgcolor="LightGreen"><xsl:value-of select="nome"/></td> <td><xsl:value-of select="telefone"/></td> <td><xsl:value-of select="cidade"/></td> <td><xsl:value-of select="estado"/></td> <td><xsl:value-of select="credito"/></td> </tr> </xsl:if> </xsl:for-each>

<强>与：

<xsl:apply-templates select="informacoes/cliente[cidade='Rio de Janeiro']"/>

同样，替换：

<xsl:for-each select="informacoes/cliente"> <xsl:sort select="nome" order="ascending" /> <xsl:if test="estado='RJ'"> <tr> <td bgcolor="LightGreen"><xsl:value-of select="nome"/></td> <td><xsl:value-of select="telefone"/></td> <td><xsl:value-of select="cidade"/></td> <td><xsl:value-of select="estado"/></td> <td><xsl:value-of select="credito"/></td> </tr> </xsl:if> </xsl:for-each>

<强>与

<xsl:apply-templates select="informacoes/cliente[estado='RJ']"> <xsl:sort select="nome" order="ascending" /> </xsl:apply-templates>

最后替换：

<xsl:for-each select="informacoes/cliente"> <xsl:sort select="credito" order="descending" /> <xsl:if test="credito>250 and credito<400"> <tr> <td bgcolor="LightGreen"><xsl:value-of select="nome"/></td> <td><xsl:value-of select="telefone"/></td> <td><xsl:value-of select="cidade"/></td> <td><xsl:value-of select="estado"/></td> <td><xsl:value-of select="credito"/></td> </tr> </xsl:if> </xsl:for-each>

<强>与：

<xsl:apply-templates select="informacoes/cliente[credito >250 and 400 > credito]"> <xsl:sort select="credito" order="descending" /> </xsl:apply-templates>

然后添加此简单模板：

<xsl:template match="informacoes/cliente"> <tr> <td bgcolor="LightGreen"><xsl:value-of select="nome"/></td> <td><xsl:value-of select="telefone"/></td> <td><xsl:value-of select="cidade"/></td> <td><xsl:value-of select="estado"/></td> <td><xsl:value-of select="credito"/></td> </tr> </xsl:template>

您的完整XSLT代码现已成为：

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="/"> <html> <head><title>Informações</title></head> <body> <h1>Relação de Clientes</h1> <table border="2"> <tr bgcolor="LightBlue"> <th>Nome</th> <th>Telefone</th> <th>Cidade</th> <th>Estado</th> <th>Crédito</th> </tr> <tr> <th colspan="6" bgcolor="LightPink">Critério usado abaixo: exibir todos os elementos ordenado por nome</th> </tr> <xsl:apply-templates select="informacoes/cliente"> <xsl:sort select="nome" order="ascending" /> </xsl:apply-templates> <tr> <th colspan="6" bgcolor="LightCyan"> Critério usado abaixo: exibir os clientes da cidade do Rio de Janeiro</th> </tr> <xsl:apply-templates select="informacoes/cliente[cidade='Rio de Janeiro']"/> <tr> <th colspan="6" bgcolor="LightYellow"> Critério usado abaixo: exibir os clientes do estado do RJ com ordenado pelo nome; </th> </tr> <xsl:apply-templates select="informacoes/cliente[estado='RJ']"> <xsl:sort select="nome" order="ascending" /> </xsl:apply-templates> <tr> <th colspan="6" bgcolor="LightYellow"> Critério usado abaixo: exibir os clientes com crédito entre 250 e 400, em ordem descendente de crédito) </th> </tr> <xsl:apply-templates select="informacoes/cliente[credito >250 and 400 > credito]"> <xsl:sort select="credito" order="descending" /> </xsl:apply-templates> </table> </body> </html> </xsl:template> <xsl:template match="informacoes/cliente"> <tr> <td bgcolor="LightGreen"><xsl:value-of select="nome"/></td> <td><xsl:value-of select="telefone"/></td> <td><xsl:value-of select="cidade"/></td> <td><xsl:value-of select="estado"/></td> <td><xsl:value-of select="credito"/></td> </tr> </xsl:template> </xsl:stylesheet>

每个内部都有XSLT apply-templates

2 个答案: