通过C#动态生成图书信息XML文件

<?xml version="1.0" encoding="iso-8859-1"?>

<bookstore>

<book id="1" category="CHILDREN">

<title>Harry Potter</title>

<author>J K. Rowling</author>

<publishDate>2005-08-15</publishDate>

<price>29.99</price>

</book>

<book id="2" category="WEB">

<title>Learning XML</title>

<author>Erik T. Ray</author>

<publishDate>2003-10-18</publishDate>

<price>39.95</price>

</book>

</bookstore>

/// <summary>

/// 创建图书信息XML

/// </summary>

public void CreateBookXML(string fileName)

{

StringBuilder xmlResult = new StringBuilder("<?xml version=\"1.0\" encoding=\"utf-8\"?>");

List<BookInfo> bookList = GetBookList(); //获取图书列表

if (bookList != null && bookList.Count > 0)

{

xmlResult.Append("<bookstore>");

foreach (BookInfo book in bookList)

{

xmlResult.AppendFormat("<book id=\"{0}\" category=\"{1}\">", book.BookId, book.Category);

xmlResult.AppendFormat("<title>{0}</title>", book.Title);

xmlResult.AppendFormat("<author>{0}</author>", book.Author);

xmlResult.AppendFormat("<publishDate>{0}</publishDate>", book.PublishDate.ToString("yyyy-MM-dd"));

xmlResult.AppendFormat("<price>{0}</price>", book.Price);

xmlResult.Append("</book>");

}

xmlResult.Append("</bookstore>");

}

//写入文件

try

{

//1.创建文件流

FileStream fileStream = new FileStream(fileName, FileMode.Create);

//2.创建写入器

StreamWriter streamWriter = new StreamWriter(fileStream);

//3.将内容写入文件

streamWriter.WriteLine(xmlResult);

//4.关闭写入器

streamWriter.Close();

//5.关闭文件流

fileStream.Close();

}

catch (Exception e)

{ }

}

/// <summary>

/// 创建图书信息XML

/// </summary>

/// <param name="fileName"></param>

public void CreateBookXML(string fileName)

{

try

{

FileStream fileStream = new FileStream(fileName, FileMode.Create);

XmlTextWriter writer = new XmlTextWriter(fileStream, Encoding.UTF8);

List<BookInfo> bookList = GetBookList(); //获取图书列表

if (bookList != null && bookList.Count > 0)

{

writer.WriteStartDocument();

writer.WriteStartElement("bookstore"); //创建父节点

foreach (BookInfo book in bookList)

{

writer.WriteStartElement("book"); //创建子节点

writer.WriteAttributeString("id", book.BookId.ToString()); //添加属性

writer.WriteAttributeString("category", book.Category);

//图书名称节点

writer.WriteStartElement("title");

writer.WriteValue(book.Title); //节点赋值

writer.WriteEndElement();

//图书作者节点

writer.WriteStartElement("author");

writer.WriteValue(book.Author);

writer.WriteEndElement();

//出版时间节点

writer.WriteStartElement("publishDate");

writer.WriteValue(book.PublishDate.ToString("yyyy-MM-dd"));

writer.WriteEndElement();

//销售价格节点

writer.WriteStartElement("price");

writer.WriteValue(book.Price);

writer.WriteEndElement();

writer.WriteEndElement(); //子节点结束

}

writer.WriteEndElement(); //父节点结束

}

writer.WriteEndDocument();

writer.Close();

fileStream.Close();

}

catch (Exception e)

{ }

}

/// <summary>

/// 获取图书列表

/// </summary>

/// <returns></returns>

public List<BookInfo> GetBookList()

{

List<BookInfo> bookList = new List<BookInfo>();

BookInfo book1 = new BookInfo() {

BookId = 1,

Category = "CHILDREN",

Title = "Harry Potter",

Author = "J K. Rowling",

PublishDate = new DateTime(2005,08,15),

Price = 29.99

};

bookList.Add(book1);

BookInfo book2 = new BookInfo()

{

BookId = 2,

Category = "WEB",

Title = "Learning XML",

Author = "Erik T. Ray",

PublishDate = new DateTime(2003,10,18),

Price = 39.95

};

bookList.Add(book2);

return bookList;

}

/// <summary>

/// 图书信息实体类

/// </summary>

public class BookInfo

{

public int BookId { set; get; } //图书ID

public string Title { set; get; } //图书名称

public string Category { set; get; } //图书分类

public string Author { set; get; } //图书作者

public DateTime PublishDate { set; get; } //出版时间

public Double Price { set; get; } //销售价格

}