JSON to XML with XSLT 3.0 using saxon [英] JSON to XML with XSLT 3.0 using saxon
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问题描述
我正在使用 XSLT 3.0 来转换这个文档 JSON 到本文档 XML 与函数 json-to-xml,
I'm using XSLT 3.0 to transform this document JSON to this document XML with the function json-to-xml,
<xsl:variable name="input-as-xml" select="json-to-xml(.)"/>
从撒克逊人，我像文档 XML 一样传递这个 json:
From saxon I pass this json like document XML:
String XML = "<root>" + JSON + "</root>";
我在调用函数 json-to-xml 时得到一个 XML:
I get an XML when call the function json-to-xml:
<?xml version="1.0" encoding="utf-8"?>
<map
xmlns="http://www.w3.org/2005/xpath-functions">
<string key="_D">urn:oasis:names:specification:ubl:schema:xsd:Invoice-2</string>
<string key="_S">urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2</string>
<string key="_B">urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2</string>
<array key="Invoice">
<map>
<array key="ID">
<map>
<string key="IdentifierContent">123</string>
</map>
</array>
<array key="IssueDate">
<map>
<string key="DateContent">2011-09-22</string>
</map>
</array>
<array key="InvoicePeriod">
<map>
<array key="StartDate">
<map>
<string key="DateContent">2011-08-01</string>
</map>
</array>
<array key="EndDate">
<map>
<string key="DateContent">2011-08-31</string>
</map>
</array>
</map>
</array>
<array key="AccountingSupplierParty">
<map>
<array key="Party">
<map>
<array key="PartyName">
<map>
<array key="Name">
<map>
<string key="TextContent">Custom Cotter Pins</string>
</map>
</array>
</map>
</array>
</map>
</array>
</map>
</array>
<array key="AccountingCustomerParty">
<map>
<array key="Party">
<map>
<array key="PartyName">
<map>
<array key="Name">
<map>
<string key="TextContent">North American Veeblefetzer</string>
</map>
</array>
</map>
</array>
</map>
</array>
</map>
</array>
<array key="LegalMonetaryTotal">
<map>
<array key="PayableAmount">
<map>
<number key="AmountContent">100.00</number>
<string key="AmountCurrencyIdentifier">CAD</string>
</map>
</array>
</map>
</array>
<array key="InvoiceLine">
<map>
<array key="ID">
<map>
<string key="IdentifierContent">1</string>
</map>
</array>
<array key="LineExtensionAmount">
<map>
<number key="AmountContent">100.00</number>
<string key="AmountCurrencyIdentifier">CAD</string>
</map>
</array>
<array key="Item">
<map>
<array key="Description">
<map>
<string key="TextContent">Cotter pin, MIL-SPEC</string>
</map>
</array>
</map>
</array>
</map>
</array>
</map>
</array>
</map>
将此 XML 作为参数传递是否正确?
Is it correct pass this XML as parameter?
<xsl:apply-templates select="$input-as-xml" />
请问，有什么关于如何使用模板来转换我想要的 XML 的建议吗?我只是想要一些建议.
Please, any suggestion in how can I use templates to transform the XML that I want? I just want some suggestions.
推荐答案
关于前缀的信息似乎没有包含在 JSON 中，所以我决定将它们声明为参数，并且我假设你知道开始的元素(例如Invoice):
The information about prefixes does not seem to be included in the JSON so I have decided to declare them as parameters and I have assumed you know the name/key of the element to start with (e.g. Invoice):
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:math="http://www.w3.org/2005/xpath-functions/math"
xmlns:fn="http://www.w3.org/2005/xpath-functions"
exclude-result-prefixes="xs math fn"
version="3.0">
<xsl:param name="json-input" as="xs:string">{"_D":"urn:oasis:names:specification:ubl:schema:xsd:Invoice-2",
"_S":"urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2",
"_B":"urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2",
"Invoice":[{
"ID":[{"IdentifierContent":"123"}],
"IssueDate":[{"DateContent":"2011-09-22"}],
"InvoicePeriod":[{
"StartDate":[{"DateContent":"2011-08-01"}],
"EndDate":[{"DateContent":"2011-08-31"}]
}],
"AccountingSupplierParty":[{
"Party":[{
"PartyName":[{
"Name":[{"TextContent":"Custom Cotter Pins"}]
}]
}]
}],
"AccountingCustomerParty":[{
"Party":[{
"PartyName":[{
"Name":[{"TextContent":"North American Veeblefetzer"}]
}]
}]
}],
"LegalMonetaryTotal":[{
"PayableAmount":[{"AmountContent":100.00,
"AmountCurrencyIdentifier":"CAD"}]
}],
"InvoiceLine":[{
"ID":[{"IdentifierContent":"1"}],
"LineExtensionAmount":[{"AmountContent":100.00,
"AmountCurrencyIdentifier":"CAD"}],
"Item":[{
"Description":[{"TextContent":"Cotter pin, MIL-SPEC"}]
}]
}]
}]}</xsl:param>
<xsl:param name="prefix2" as="xs:string" select="'cbc'"/>
<xsl:param name="prefix1" as="xs:string" select="'cac'"/>
<xsl:output indent="yes"/>
<xsl:template name="xsl:initial-template">
<xsl:apply-templates select="json-to-xml($json-input)//fn:array[@key = 'Invoice']"/>
</xsl:template>
<xsl:template match="fn:array[@key = 'Invoice']" priority="5">
<xsl:variable name="ns" select="../fn:string[@key = '_D']"/>
<xsl:variable name="ns1" select="../fn:string[@key = '_S']"/>
<xsl:variable name="ns2" select="../fn:string[@key = '_B']"/>
<xsl:element name="{@key}" namespace="{$ns}">
<xsl:namespace name="{$prefix1}" select="$ns1"/>
<xsl:namespace name="{$prefix2}" select="$ns2"/>
<xsl:apply-templates>
<xsl:with-param name="ns1" select="$ns1" tunnel="yes"/>
<xsl:with-param name="ns2" select="$ns2" tunnel="yes"/>
</xsl:apply-templates>
</xsl:element>
</xsl:template>
<xsl:template match="fn:array[@key and *[1][self::fn:map[fn:string]] and not(*[2])]">
<xsl:param name="ns2" tunnel="yes"/>
<xsl:element name="{$prefix2}:{@key}" namespace="{$ns2}">
<xsl:value-of select="fn:map/fn:string"/>
</xsl:element>
</xsl:template>
<xsl:template match="fn:array[@key and fn:map[fn:array]]">
<xsl:param name="ns1" tunnel="yes"/>
<xsl:element name="{$prefix1}:{@key}" namespace="{$ns1}">
<xsl:apply-templates/>
</xsl:element>
</xsl:template>
</xsl:stylesheet>
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