c# 生成 xml 文件
方法一:
using
System;
using
System.Xml;
using
System.IO;
using
System.Text;

public
class
ReadWriteXml

{

private static void Main()

{

// Create the file and writer.
FileStream fs = new FileStream("products.xml", FileMode.Create);
XmlTextWriter w = new XmlTextWriter(fs, Encoding.UTF8);

// Start the document.
w.WriteStartDocument();
w.WriteStartElement("products");

// Write a product.
w.WriteStartElement("product");
w.WriteAttributeString("id", "1001");
w.WriteElementString("productName", "Gourmet Coffee");
w.WriteElementString("productPrice", "0.99");
w.WriteEndElement();

// Write another product.
w.WriteStartElement("product");
w.WriteAttributeString("id", "1002");
w.WriteElementString("productName", "Blue China Tea Pot");
w.WriteElementString("productPrice", "102.99");
w.WriteEndElement();

// End the document.
w.WriteEndElement();
w.WriteEndDocument();
w.Flush();
fs.Close();

Console.WriteLine("Document created. " +
"Press Enter to read the document.");
Console.ReadLine();

fs = new FileStream("products.xml", FileMode.Open);
XmlTextReader r = new XmlTextReader(fs);

// Read all nodes.
while (r.Read())

{
if (r.NodeType == XmlNodeType.Element)

{

Console.WriteLine();
Console.WriteLine("<" + r.Name + ">");

if (r.HasAttributes)

{

for (int i = 0; i < r.AttributeCount; i++)

{
Console.WriteLine("/tATTRIBUTE: " +
r.GetAttribute(i));
}
}
}
else if (r.NodeType == XmlNodeType.Text)

{
Console.WriteLine("/tVALUE: " + r.Value);
}
}
Console.ReadLine();
}
}
方法二:
























































































方法二:
1
using
System;
2
using
System.Xml;
3
4
public
class
GenerateXml
5
{
6
7
private static void Main()
8
{
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10
// Create a new, empty document.
11
XmlDocument doc = new XmlDocument();
12
XmlNode docNode = doc.CreateXmlDeclaration("1.0", "UTF-8", null);
13
doc.AppendChild(docNode);
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// Create and insert a new element.
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XmlNode productsNode = doc.CreateElement("products");
17
doc.AppendChild(productsNode);
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// Create a nested element (with an attribute).
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XmlNode productNode = doc.CreateElement("product");
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XmlAttribute productAttribute = doc.CreateAttribute("id");
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productAttribute.Value = "1001";
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productNode.Attributes.Append(productAttribute);
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productsNode.AppendChild(productNode);
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// Create and add the sub-elements for this product node
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// (with contained text data).
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XmlNode nameNode = doc.CreateElement("productName");
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nameNode.AppendChild(doc.CreateTextNode("Gourmet Coffee"));
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productNode.AppendChild(nameNode);
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XmlNode priceNode = doc.CreateElement("productPrice");
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priceNode.AppendChild(doc.CreateTextNode("0.99"));
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productNode.AppendChild(priceNode);
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// Create and add another product node.
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productNode = doc.CreateElement("product");
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productAttribute = doc.CreateAttribute("id");
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productAttribute.Value = "1002";
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productNode.Attributes.Append(productAttribute);
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productsNode.AppendChild(productNode);
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nameNode = doc.CreateElement("productName");
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nameNode.AppendChild(doc.CreateTextNode("Blue China Tea Pot"));
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productNode.AppendChild(nameNode);
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priceNode = doc.CreateElement("productPrice");
45
priceNode.AppendChild(doc.CreateTextNode("102.99"));
46
productNode.AppendChild(priceNode);
47
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// Save the document (to the Console window rather than a file).
49
doc.Save(Console.Out);
50
Console.ReadLine();
51
}
52
}
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