Created by Jerry Wang on Jun 05, 2014

下列report實現通過simple transformation查找xml 文件內下列路徑的節點ds其attribute uri的值是否等于指定值:

REPORT zdoc_trans_find_namespace. DATA: lv_xml TYPE string,lv_xml2 TYPE string,lv_result1 TYPE abap_bool,lv_result2 TYPE abap_bool. START-OF-SELECTION.lv_xml = '<?xml version="1.0" encoding="UTF-8"?>' &&`<ds:datastoreItem xmlns:ds="http://schemas.openxmlformats.org/officeDocument/2006/customXml" ds:itemID="{0090FA0D-8DC2-1ED3-B783-90F3808D030B}">`&& `<ds:schemaRefs><ds:schemaRef ds:uri="http://schemas.sap.com/crm"/></ds:schemaRefs></ds:datastoreItem>`.lv_xml2 = zcl_jerry_tool=>get_file_content_by_path( '\\TSHomeServer\TSHome$\i042416\Desktop\1.xml' ).CALL TRANSFORMATION zcontains_customxmlPARAMETERS my_namespace = 'http://schemas.sap.com/crm'SOURCE XML lv_xmlRESULT result = lv_result1.CALL TRANSFORMATION zcontains_customxmlPARAMETERS my_namespace = 'http://schemas.sap.com/crm'SOURCE XML lv_xml2RESULT result = lv_result2.WRITE:/ 'Result1: ', lv_result1, ' Result2: ' , lv_result2.

使用tcode STRANS創建simple transformation，copy如下source code:

<xsl:transform version="1.0"xmlns:xsl="http://www.w3.org/1999/XSL/Transform"xmlns:sap="http://www.sap.com/sapxsl"xmlns:ds="http://schemas.openxmlformats.org/officeDocument/2006/customXml" > <xsl:param name="MY_NAMESPACE" sap:type="string" /> <xsl:strip-space elements="*"/> <xsl:template match="/"> <asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0"><asx:values><xsl:apply-templates select="ds:datastoreItem/ds:schemaRefs/ds:schemaRef"/></asx:values> </asx:abap> </xsl:template> <xsl:template match="ds:datastoreItem/ds:schemaRefs/ds:schemaRef"><xsl:if test="@ds:uri = $MY_NAMESPACE"><RESULT>X</RESULT></xsl:if> </xsl:template> </xsl:transform>

運行結果:

關于xslt的語法

The xsl:template element contains rules to apply when a specified node is matched.

The match attribute is used to associate the template with an XML element. The match attribute can also be used to define a template for a whole branch of the XML document (i.e. match="/" defines the whole document).
2. The xsl:apply-templates element applies a template to the current element or to the current element’s child nodes.
If we add a select attribute to the xsl:apply-templates element it will process only the child element that matches the value of the attribute. We can use the select attribute to specify the order in which the child nodes are processed.

總結

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