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C++ Programmer's Cookbook

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:

using?System;
?2

using?System.Xml;
?3

public?class?GenerateXml?
?5

{
?6

????private?static?void?Main()?
?8

????{
?9

????????//?Create?a?new,?empty?document.
11

????????XmlDocument?doc?=?new?XmlDocument();
12

????????XmlNode?docNode?=?doc.CreateXmlDeclaration("1.0",?"UTF-8",?null);
13

????????doc.AppendChild(docNode);
14

????????//?Create?and?insert?a?new?element.
16

????????XmlNode?productsNode?=?doc.CreateElement("products");
17

????????doc.AppendChild(productsNode);
18

????????//?Create?a?nested?element?(with?an?attribute).
20

????????XmlNode?productNode?=?doc.CreateElement("product");
21

????????XmlAttribute?productAttribute?=?doc.CreateAttribute("id");
22

????????productAttribute.Value?=?"1001";
23

????????productNode.Attributes.Append(productAttribute);
24

????????productsNode.AppendChild(productNode);
25

????????//?Create?and?add?the?sub-elements?for?this?product?node
27

????????//?(with?contained?text?data).
28

????????XmlNode?nameNode?=?doc.CreateElement("productName");
29

????????nameNode.AppendChild(doc.CreateTextNode("Gourmet?Coffee"));
30

????????productNode.AppendChild(nameNode);
31

????????XmlNode?priceNode?=?doc.CreateElement("productPrice");
32

????????priceNode.AppendChild(doc.CreateTextNode("0.99"));
33

????????productNode.AppendChild(priceNode);
34

????????//?Create?and?add?another?product?node.
36

????????productNode?=?doc.CreateElement("product");
37

????????productAttribute?=?doc.CreateAttribute("id");
38

????????productAttribute.Value?=?"1002";
39

????????productNode.Attributes.Append(productAttribute);
40

????????productsNode.AppendChild(productNode);
41

????????nameNode?=?doc.CreateElement("productName");
42

????????nameNode.AppendChild(doc.CreateTextNode("Blue?China?Tea?Pot"));
43

????????productNode.AppendChild(nameNode);
44

????????priceNode?=?doc.CreateElement("productPrice");
45

????????priceNode.AppendChild(doc.CreateTextNode("102.99"));
46

????????productNode.AppendChild(priceNode);
47

????????//?Save?the?document?(to?the?Console?window?rather?than?a?file).
49

????????doc.Save(Console.Out);
50

????????Console.ReadLine();
51

????}
52

}
53

posted on 2006-03-23 17:26 夢在天涯閱讀(1953) 評論(0) 編輯收藏引用所屬分類: C#/.NET

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c# 生成 xml 文件

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