Question

我想像这样转换表格：

<table>
  <thead>
    <tr>
        <th rowspan="3">th11</th>
        <th>th12</th>
        <th rowspan="2">th13</th>
        <th colspan="2">th14</th>
    </tr>
    <tr>
        <th>th21</th>
        <th>th22</th>
        <th>th23</th>
    </tr>
    <tr>
        <th>th31</th>
        <th>th32</th>
        <th>th33</th>
        <th>th34</th>
    </tr>
  </thead>
</table>

到这张表：

<table>
  <thead>
    <tr>
        <th rowspan="3">th11</th>
        <th>th12</th>
        <th rowspan="2">th13</th>
        <th colspan="2">th14</th>
    </tr>
    <tr>
        <th></th>
        <th>th21</th>
        <th></th>
        <th>th22</th>
        <th>th23</th>
    </tr>
    <tr>
        <th></th>
        <th>th31</th>
        <th>th32</th>
        <th>th33</th>
        <th>th34</th>
    </tr>
  </thead>
</table>

实际上我想根据rowspan数字将空单元格放在带有rowspan的单元格下面。细胞＆＃39; rowspan和colspan属性应该出现在最终结果中。

<xsl:for-each select="tr">
        <xsl:value-of select="sum(th[@colspan]/@colspan) + count(th[not(@colspan)])"/>
</xsl:for-each>

我希望这段代码能给我相同的数字。

如何使用XSLT执行此操作？为此目的适当的算法是什么？任何帮助将不胜感激。

Answer 1

Convert HTML colspan and rowspan to "empty" cells中发布的XSLT 2.0解决方案的自适应（删除用于处理colspan但添加用于处理thead的代码的代码）如下

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="2.0" exclude-result-prefixes="xs">

    <xsl:output indent="yes" omit-xml-declaration="yes" />

    <xsl:variable name="table_with_no_rowspans">
        <xsl:apply-templates mode="rowspan"/>
    </xsl:variable>

    <xsl:template match="/">
        <xsl:apply-templates select="$table_with_no_rowspans/*" mode="final" />
    </xsl:template>

    <xsl:template match="@*|*" mode="#all">
        <xsl:copy>
            <xsl:apply-templates select="@*|*" mode="#current" />
        </xsl:copy>
    </xsl:template>

    <!-- make sure it works for both table/tr and table/tbody/tr and table/thead/tr -->
    <xsl:template match="table/tbody | table[not(tbody | thead)] | table/thead" mode="rowspan">
        <xsl:copy>
            <xsl:copy-of select="tr[1]" />
            <xsl:apply-templates select="tr[2]" mode="rowspan">
                <xsl:with-param name="previousRow" select="tr[1]" />
            </xsl:apply-templates>
        </xsl:copy>
    </xsl:template>

    <xsl:template match="tr" mode="rowspan">
        <xsl:param name="previousRow" as="element()" />

        <xsl:variable name="currentRow" select="." />

        <xsl:variable name="normalizedTDs">
            <xsl:for-each select="$previousRow/*">
                <xsl:choose>
                    <xsl:when test="@rowspan &gt; 1">
                        <xsl:copy>
                            <xsl:attribute name="rowspan">
                                <xsl:value-of select="@rowspan - 1" />
                            </xsl:attribute><!--
                            <xsl:copy-of select="@*[not(name() = 'rowspan')]" />
                            <xsl:copy-of select="node()" />
                        --></xsl:copy>
                    </xsl:when>
                    <xsl:otherwise>
                        <xsl:copy-of select="$currentRow/*[1 + count(current()/preceding-sibling::*[not(@rowspan) or (@rowspan = 1)])]" />
                    </xsl:otherwise>
                </xsl:choose>
            </xsl:for-each>
        </xsl:variable>

        <xsl:variable name="newRow" as="element(tr)">
            <xsl:copy>
                <xsl:copy-of select="$currentRow/@*" />
                <xsl:copy-of select="$normalizedTDs" />
            </xsl:copy>
        </xsl:variable>

        <xsl:copy-of select="$newRow" />

        <xsl:apply-templates select="following-sibling::tr[1]" mode="rowspan">
            <xsl:with-param name="previousRow" select="$newRow" />
        </xsl:apply-templates>
    </xsl:template>

    <xsl:template match="td | th" mode="final">
        <xsl:choose>
            <xsl:when test="@rowspan">
                <xsl:copy>
                    <xsl:copy-of select="@* except @rowspan" />
                    <xsl:copy-of select="node()" />
                </xsl:copy>
            </xsl:when>
            <xsl:otherwise>
                <xsl:copy-of select="." />
            </xsl:otherwise>
        </xsl:choose>
    </xsl:template>

</xsl:stylesheet>

如何使用xslt转换复杂的html表

1 个答案: