您好,登錄后才能下訂單哦!
寫程序需要換XML的根,感覺很不便,于是寫了一個(gè)函數(shù),大致思路及實(shí)現(xiàn)如下:
首先覺得利用XSLT還能過濾一些東西,然后再發(fā)送回客戶端,所以決定采用XSLT
然后就是嘗試寫一個(gè)換根的XSL,如下
<?xml version="1.0" encoding="gb2312" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="gb2312" omit-xml-declaration="yes" indent="yes" />
<xsl:template match="/">
<NEWNODENAME>
<xsl:apply-templates select="@* | node()" />
</NEWNODENAME>
</xsl:template>
<xsl:template match="@* | node()">
<xsl:choose>
<xsl:when test=".!=ancestor::node()"><xsl:copy><xsl:apply-templates select="@* | node()"/></xsl:copy></xsl:when>
<xsl:otherwise><xsl:apply-templates select="@* | node()"/></xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
大致意思是,解析一個(gè)XML中的所有結(jié)點(diǎn)及屬性,如果非根就直接拷貝,否則就查看是否存在子結(jié)點(diǎn)及屬性。具體資料請參照MSXML的SDK文檔。
然后寫一個(gè)函數(shù),使得NEWNODENAME可以指定:
這段代碼為VB.Net中的實(shí)現(xiàn),ASP中實(shí)現(xiàn)時(shí)需要注意對象附值需要用Set,還有返回值的問題
Public Function ChangeXmlRootNodeName(ByRef oXml As MSXML2.DOMDocument, ByVal name As String) As String
If oXml Is Nothing Then
Return ""
End If
Dim sXslt As String
sXslt = "<?xml version=""1.0"" encoding=""gb2312"" ?>" & vbCrLf
sXslt = sXslt & "<xsl:stylesheet version=""1.0"" xmlns:xsl=""http://www.w3.org/1999/XSL/Transform"">" & vbCrLf
sXslt = sXslt & "<xsl:output method=""xml"" version=""1.0"" encoding=""gb2312"" omit-xml-declaration=""yes"" indent=""yes"" />" & vbCrLf
kmhx.b2b168.com
kmhuaxi.51sole.com
http://www.wenbing.cn/kmhx/
sXslt = sXslt & vbCrLf
sXslt = sXslt & "<xsl:template match=""/"">" & vbCrLf
sXslt = sXslt & "<" & name & ">"" & vbCrLf"
sXslt = sXslt & " <xsl:apply-templates select=""@* | node()""/>" & vbCrLf
sXslt = sXslt & "</" & name & ">" & vbCrLf
sXslt = sXslt & "</xsl:template>" & vbCrLf
sXslt = sXslt & vbCrLf
sXslt = sXslt & "<xsl:template match=""@* | node()"">" & vbCrLf
sXslt = sXslt & " <xsl:choose>" & vbCrLf
sXslt = sXslt & " <xsl:when test="".!=ancestor::node()""><xsl:copy><xsl:apply-templates select=""@* | node()""/></xsl:copy></xsl:when>" & vbCrLf
sXslt = sXslt & " <xsl:otherwise><xsl:apply-templates select=""@* | node()""/></xsl:otherwise>" & vbCrLf
sXslt = sXslt & " </xsl:choose>"" & vbCrLf"
sXslt = sXslt & "</xsl:template>"" & vbCrLf"
sXslt = sXslt & vbCrLf
sXslt = sXslt & "</xsl:stylesheet>" & vbCrLf
Dim oXsl As New MSXML2.DOMDocument
oXsl.async = False
oXsl.resolveExternals = False
oXsl.loadXML(sXslt)
Dim sXml As String
sXml = oXml.transformNode(oXsl)
sXml = AddXmlHeader(sXml)
sXsl = Nothing
Return sXml
End Function
還有,當(dāng)然你也可以實(shí)現(xiàn)生成那個(gè)XSL的XSL文件,這就要看你如何設(shè)計(jì)了。
免責(zé)聲明:本站發(fā)布的內(nèi)容(圖片、視頻和文字)以原創(chuàng)、轉(zhuǎn)載和分享為主,文章觀點(diǎn)不代表本網(wǎng)站立場,如果涉及侵權(quán)請聯(lián)系站長郵箱:is@yisu.com進(jìn)行舉報(bào),并提供相關(guān)證據(jù),一經(jīng)查實(shí),將立刻刪除涉嫌侵權(quán)內(nèi)容。