如何编写或生成XML文件

Question

如何使用C#编写或生成XML文件以获得下面的结果？

<?xml version="1.0" encoding="UTF-8"?>
<pages>
<page name="Page Name 1" url="/page-1/" />
<page name="Page Name 2" url="/page-2/" />
<page name="Page Name 3" url="/page-3/" />
<page name="Page Name 4" url="/page-4/" />
</pages>

Answer 1

using System.Linq;
using System.Xml;
using System.Xml.Linq;

// ...

using (var writer = XmlWriter.Create("output.xml"))
     new XDocument(
        new XDeclaration("1.0", "UTF-8", null),
        new XElement("pages",
            Enumerable.Range(1, 4)
                .Select(i => new XElement("page",
                                  new XAttribute("name", "Page Name " + i),
                                  new XAttribute("url", "/page-" + i + "/"))))
     ).WriteTo(writer);

Answer 2

一种相当简单的方法可能是这样的：

XmlWriterSettings settings = new XmlWriterSettings();
settings.Encoding = Encoding.UTF8;
settings.Indent = true;
using (XmlWriter writer = XmlWriter.Create(@"c:\path\file.xml", settings))
{

    writer.WriteStartElement("pages");

    for (int i = 1; i < 5; i++)
    {
        writer.WriteStartElement("page");
        writer.WriteAttributeString("name", "Page Name " + i.ToString());
        writer.WriteAttributeString("url", string.Format("/page-{0}/", i));
        writer.WriteEndElement(); // page
    }
    writer.WriteEndElement(); // pages
}

Answer 3

我猜大概是这样的：

System.Xml.XmlTextWriter writer = new System.Xml.XmlTextWriter(Server.MapPath("pages.xml"), System.Text.Encoding.UTF8);

        writer.WriteStartDocument();
        writer.WriteStartElement("pages");

        writer.WriteStartElement("page");
        writer.WriteAttributeString("name", "Page name 1");
        writer.WriteAttributeString("url", "Page url 1");
        writer.WriteEndElement();

        writer.WriteStartElement("page");
        writer.WriteAttributeString("name", "Page name 2 ");
        writer.WriteAttributeString("url", "Page url 2");
        writer.WriteEndElement();

        writer.WriteStartElement("page");
        writer.WriteAttributeString("name", "Page name 3");
        writer.WriteAttributeString("url", "Page url 3");
        writer.WriteEndElement();

        writer.WriteEndElement();
        writer.WriteEndDocument();
        writer.Close();