C# 如何使用命名空间和 XElement 前缀编写 xml？
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How can I write xml with a namespace and prefix with XElement?
提问by Chris Conway
This may be a beginner xml question, but how can I generate an xml document that looks like the following?
这可能是一个初学者的 xml 问题，但如何生成如下所示的 xml 文档？
<root xmlns:ci="http://somewhere.com" xmlns:ca="http://somewhereelse.com">
<ci:field1>test</ci:field1>
<ca:field2>another test</ca:field2>
</root>
If I can get this to be written, I can get the rest of my problem to work.
如果我能把这个写出来，我就能解决剩下的问题。
Ideally, I'd like to use LINQ to XML (XElement, XNamespace, etc.) with c#, but if this can be accomplished easier/better with XmlDocuments and XmlElements, I'd go with that.
理想情况下，我想在 c# 中使用 LINQ to XML（XElement、XNamespace 等），但如果使用 XmlDocuments 和 XmlElements 可以更轻松/更好地实现这一点，我会选择这样做。
Thanks!!!
谢谢！！！
采纳答案by Andrew Hare
Here is a small example that creates the output you want:
这是一个创建所需输出的小示例：
using System;
using System.Xml.Linq;
class Program
{
static void Main()
{
XNamespace ci = "http://somewhere.com";
XNamespace ca = "http://somewhereelse.com";
XElement element = new XElement("root",
new XAttribute(XNamespace.Xmlns + "ci", ci),
new XAttribute(XNamespace.Xmlns + "ca", ca),
new XElement(ci + "field1", "test"),
new XElement(ca + "field2", "another test"));
}
}
回答by adatapost
I hope you will get some useful information from this thread - XElement default namespace on attributes provides unexpected behaviour
我希望你能从这个线程中得到一些有用的信息 -属性上的 XElement 默认命名空间提供了意外的行为
EDIT:
编辑：
Another FAQ at - http://social.msdn.microsoft.com/Forums/en-US/xmlandnetfx/thread/c0648840-e389-49be-a3d2-4d5db17b8ddd
另一个常见问题解答 - http://social.msdn.microsoft.com/Forums/en-US/xmlandnetfx/thread/c0648840-e389-49be-a3d2-4d5db17b8ddd
回答by blparker
XNamespace ci = "http://somewhere.com";
XNamespace ca = "http://somewhereelse.com";
XElement root = new XElement(aw + "root",
new XAttribute(XNamespace.Xmlns + "ci", "http://somewhere.com"),
new XAttribute(XNamespace.Xmlns + "ca", "http://somewhereelse.com"),
new XElement(ci + "field1", "test"),
new XElement(ca + "field2", "another test")
);
Console.WriteLine(root);
This should output
这应该输出
<root xmlns:ci="http://somewhere.com" xmlns:ca="http://somewhereelse.com">
<ci:field1>test</ci:field1>
<ca:field2>another test</ca:field2>
</root>
回答by Brandon Hawbaker
For XmlDocument it's similar:
对于 XmlDocument，它是类似的：
XmlAttribute attribute1 = sessionXml.CreateAttribute("s", "Attribute1", namespaceURI);
XmlAttribute attribute2 = sessionXml.CreateAttribute("s", "Attribute2", namespaceURI);
XmlAttribute attribute3 = sessionXml.CreateAttribute("s", "Attribute3", namespaceURI);
XmlAttribute attribute4 = sessionXml.CreateAttribute("s", "Attribute4", namespaceURI);
回答by Hariharan
Try this code:
试试这个代码：
string prefix = element.GetPrefixOfNamespace(element.Name.NamespaceName);
string name = String.Format(prefix == null ? "{1}" : "{0}:{1}", prefix, element.Name.LocalName);`
