如何创建具有如下节点前缀xml文档:
<sphinx:docset>
<sphinx:schema>
<sphinx:field name="subject"/>
<sphinx:field name="content"/>
<sphinx:attr name="published" type="timestamp"/>
</sphinx:schema>
当我尝试运行像new XElement("sphinx:docset")
这样的程序时,我得到了异常
未处理的异常: System.Xml.XmlException:名称中不能包含十六进制值0x3A的':‘字符。
at System.Xml.XmlConvert.VerifyNCName(String name,ExceptionType exceptionTyp e)
at System.Xml.Linq.XName..ctor(XNamespace ns,String localName)
at System.Xml.Linq.XNamespace.GetName(String localName)
at System.Xml.Linq.XName.Get(String expandedName)
发布于 2011-02-14 02:31:56
这在LINQ to XML中非常简单:
XNamespace ns = "sphinx";
XElement element = new XElement(ns + "docset");
或者让“别名”正常工作,使其看起来像您的示例,如下所示:
XNamespace ns = "http://url/for/sphinx";
XElement element = new XElement("container",
new XAttribute(XNamespace.Xmlns + "sphinx", ns),
new XElement(ns + "docset",
new XElement(ns + "schema"),
new XElement(ns + "field", new XAttribute("name", "subject")),
new XElement(ns + "field", new XAttribute("name", "content")),
new XElement(ns + "attr",
new XAttribute("name", "published"),
new XAttribute("type", "timestamp"))));
这会产生以下结果:
<container xmlns:sphinx="http://url/for/sphinx">
<sphinx:docset>
<sphinx:schema />
<sphinx:field name="subject" />
<sphinx:field name="content" />
<sphinx:attr name="published" type="timestamp" />
</sphinx:docset>
</container>
发布于 2011-02-14 02:35:08
您可以读取文档的名称空间,并在查询中使用它,如下所示:
XDocument xml = XDocument.Load(address);
XNamespace ns = xml.Root.Name.Namespace;
foreach (XElement el in xml.Descendants(ns + "whateverYourElementNameIs"))
//do stuff
https://stackoverflow.com/questions/4985974
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