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我想創建幾個XSL:變量,可能會或可能不爲空,然後加入他們的行列:XSL字符串連接()多個變量 - 只使用非空
<xsl:variable name="creatorType" select="replace(lib:merge(subfields/subfield[matches(@code,'[e]')],' '),'author|[.$]','')" />
<xsl:variable name="creatorAttribution" select="replace(lib:merge(subfields/subfield[matches(@code,'[j]')],' '),'[,-.]$','')" />
<xsl:variable name="creatorNameFullForm" select="replace(lib:merge(subfields/subfield[matches(@code,'[q]')],' '),'[,-()]$','')" />
<xsl:variable name="creatorAffiliation" select="replace(lib:merge(subfields/subfield[matches(@code,'[u]')],' '),'[,-.]$','')" />
字符串連接(( xsl:sequence),'delimiter')似乎是一個很好的選擇,但也可以用空值連接變量。
<xsl:variable name="creatorDescriptors" select ="string-join(($creatorDates, $creatorType, $creatorAttribution, $creatorAffiliation),', ')"/>
你將如何只有string-join非空xsl:變量?
我目前得到的東西是這樣的:
Mozart, Wolfgang Amadeus (1756–1791, Composer, ,)