第一个xml文件是价格信息:
<prices>
<priceList effDate="2006-11-15">
<prod num="557">
<price currency="USD">29.99</price>
<discount type="CLR">10.00</discount>
</prod>
<prod num="563">
<price currency="USD">69.99</price>
</prod>
<prod num="443">
<price currency="USD">39.99</price>
<discount type="CLR">3.99</discount>
</prod>
</priceList>
</prices>
第二个XML文件是订单信息
<order num="00299432" date="2006-09-15" cust="0221A">
<item dept="WMN" num="557" quantity="1" color="navy">
<prod num="557">
<price currency="USD">29.99</price>
<discount type="CLR">10.00</discount>
</prod>
</item>
<item dept="ACC" num="563" quantity="1"/>
<item dept="ACC" num="443" quantity="2"/>
<item dept="MEN" num="784" quantity="1" color="white"/>
<item dept="MEN" num="784" quantity="1" color="gray"/>
<item dept="WMN" num="557" quantity="1" color="black"/>
</order>
我的预期输出如下所示,这意味着所有元素<prod>
所有元素都包含在<item>
下,其中包含所有<item>
属性信息
<item dept="WMN" num="557" quantity="1" color="navy">
<prod num="557">
<price currency="USD">29.99</price>
<discount type="CLR">10.00</discount>
</prod>
</item>
我的代码如下:
let $prices := fn:doc('/training/prices.xml')/prices
let $order := fn:doc('/training/order.xml')/order
where $prices/priceList/prod[@num=$order/item/@num]
for $kk in $prices/priceList/prod[@num=$order/item/@num]
return
<item>
{$kk}
</item>
输出:
<item>
<prod num="557">
<price currency="USD">29.99</price>
<discount type="CLR">10.00</discount>
</prod>
</item>
请指导我,谢谢
尝试如下操作:
declare namespace output = "http://www.w3.org/2010/xslt-xquery-serialization";
declare option output:indent 'yes';
let $prices := fn:doc('Price.xml')/prices
let $order := fn:doc('Order.xml')/order where $prices/priceList/prod[@num=$order/item/@num]
return
for $kk in $prices/priceList/prod[@num=$order/item/@num]
return
<item>{
$order/item[@num=$kk/@num][1]/@*,
$kk
}</item>
链接: https://xqueryfiddle.liberty-development.net/bdxZ8L