C#如何在内存对象上执行实时xslt转换?
我有一个函数,它接受两个参数:1=XML文件,2=XSLT文件,然后执行转换并返回结果HTML 以下是函数:C#如何在内存对象上执行实时xslt转换?,c#,xml,xslt,C#,Xml,Xslt,我有一个函数,它接受两个参数:1=XML文件,2=XSLT文件,然后执行转换并返回结果HTML 以下是函数: /// <summary> /// Will apply an XSLT style to any XML file and return the rendered HTML. /// </summary> /// <param name="xmlFileName"> /// The file name of the XML document. ///
/// <summary>
/// Will apply an XSLT style to any XML file and return the rendered HTML.
/// </summary>
/// <param name="xmlFileName">
/// The file name of the XML document.
/// </param>
/// <param name="xslFileName">
/// The file name of the XSL document.
/// </param>
/// <returns>
/// The rendered HTML.
/// </returns>
public string TransformXml(string xmlFileName, string xslFileName)
{
var xtr = new XmlTextReader(xmlFileName)
{
WhitespaceHandling = WhitespaceHandling.None
};
var xd = new XmlDocument();
xd.Load(xtr);
var xslt = new System.Xml.Xsl.XslCompiledTransform();
xslt.Load(xslFileName);
var stm = new MemoryStream();
xslt.Transform(xd, null, stm);
stm.Position = 1;
var sr = new StreamReader(stm);
xtr.Close();
return sr.ReadToEnd();
}
//
///将XSLT样式应用于任何XML文件并返回呈现的HTML。
///
///
///XML文档的文件名。
///
///
///XSL文档的文件名。
///
///
///呈现的HTML。
///
公共字符串转换XML(字符串xmlFileName、字符串xslFileName)
{
var xtr=新的XmlTextReader(xmlFileName)
{
WhitespaceHandling=WhitespaceHandling.None
};
var xd=新的XmlDocument();
xd.载荷(xtr);
var xslt=new System.Xml.Xsl.xslcomiledTransform();
Load(xslt文件名);
var stm=新内存流();
Transform(xd,null,stm);
stm.Position=1;
var sr=新的StreamReader(stm);
xtr.Close();
返回sr.ReadToEnd();
}
我想将函数更改为不接受XML文件,而只接受对象。
如果将对象序列化为文件,则该对象与xslt完全兼容。但我不想先把它序列化成文件
概括地说:保持xslt来自一个文件,但是xml输入应该是一个我传递的对象,并且希望在没有任何文件系统交互的情况下从中生成xml 这里有一个函数可以将对象转换为XDocument(如果您还没有使用XDocument,可以将其更改为XmlDocument)。当然,如果对象不可序列化,这将引发异常
public static XDocument ConvertToXml<T>(this T o)
{
StringBuilder builder = new StringBuilder();
StringWriter writer = new StringWriter(builder);
XmlSerializer serializer = new XmlSerializer(typeof(T));
serializer.Serialize(writer,o);
StringReader reader = new StringReader(builder.ToString());
return XDocument.Load(reader);
}
publicstaticxdocumentconvertoxml(这个T-o)
{
StringBuilder=新的StringBuilder();
StringWriter编写器=新的StringWriter(生成器);
XmlSerializer serializer=新的XmlSerializer(typeof(T));
serializer.Serialize(writer,o);
StringReader=新的StringReader(builder.ToString());
返回XDocument.Load(读卡器);
}
这是XmlDocument的一个
public static XmlDocument ConvertToXml<T>(this T o)
{
StringBuilder builder = new StringBuilder();
StringWriter writer = new StringWriter(builder);
XmlSerializer serializer = new XmlSerializer(typeof(T));
serializer.Serialize(writer,o);
StringReader reader = new StringReader(builder.ToString());
XmlDocument doc = new XmlDocument();
doc.Load(reader);
return doc;
}
publicstaticxmldocumentconverttoxml(此文件)
{
StringBuilder=新的StringBuilder();
StringWriter编写器=新的StringWriter(生成器);
XmlSerializer serializer=新的XmlSerializer(typeof(T));
serializer.Serialize(writer,o);
StringReader=新的StringReader(builder.ToString());
XmlDocument doc=新的XmlDocument();
文件加载(读卡器);
退货单;
}
未测试,但您可以使用XPathDocument获取流,并且由于XPathDocument实现了IXPathNavigable,因此可以将其用于转换:
public string TransformXml(Stream xmlFile, string xslFileName)
{
var doc = new XPathDocument(xmlFile);
var xslt = new System.Xml.Xsl.XslCompiledTransform();
xslt.Load(xslFileName);
var stm = new MemoryStream();
xslt.Transform(doc, null, stm);
stm.Position = 1;
var sr = new StreamReader(stm);
return sr.ReadToEnd();
}
您可以将对象序列化为字符串,将字符串加载到
XmlDocument
,然后执行转换:
public string TransformXml(object data, string xslFileName)
{
XmlSerializer xs = new XmlSerializer(data.GetType());
string xmlString;
using (StringWriter swr = new StringWriter())
{
xs.Serialize(swr, data);
xmlString = swr.ToString();
}
var xd = new XmlDocument();
xd.LoadXml(xmlString);
var xslt = new System.Xml.Xsl.XslCompiledTransform();
xslt.Load(xslFileName);
var stm = new MemoryStream();
xslt.Transform(xd, null, stm);
stm.Position = 0;
var sr = new StreamReader(stm);
return sr.ReadToEnd();
}
看看哪个描述了创建一个能够导航对象图属性的
XPathNavigator
,它是XPath和XSLT的强大组合。XslCompiledTransform需要一个XmlDocument,而不是XDDocument。。。否则,这与我的想法大致相同;)我刚刚使用了这个,但必须指出,我需要将位置更改为=0
。否则,它将按预期工作。=)