static Book[] XmlDocumentDeserializer(string path)
{
XmlDocument doc = new XmlDocument();
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreComments = true;
XmlReader reader = XmlReader.Create(path, settings);
doc.Load(reader);
if(doc == null)
{
return null;
}
List<Book> bookList = new List<Book>();
XmlNode xn = doc.SelectSingleNode("bookstore");
XmlNodeList xnl = xn.ChildNodes;
foreach(XmlNode _xn in xnl)
{
Book book = new Book();
XmlElement xe = (XmlElement)_xn;
book.Type = xe.GetAttribute("Type").ToString();
book.ISBN = xe.GetAttribute("ISBN").ToString();
XmlNodeList _xnl = xe.ChildNodes;
book.Name = _xnl.Item(0).InnerText;
book.Author = _xnl.Item(1).InnerText;
float price;
if(float.TryParse(_xnl.Item(2).InnerText,out price))
{
book.Price = price;
}
bookList.Add(book);
}
return bookList.ToArray();
}
static void Main(string[] args)
{
string pathname = "Book.xml";
/*
Book []books = XmlDocumentDeserializer(path);
foreach(Book b in books)
{
Console.WriteLine(b.ToString());
}
* */
Book book = new Book("必修课","123243242334","Computer","XXX",32.12f);
AddNode(pathname, book);
}
static void AddNode(string path,Book book)
{
XmlDocument doc = new XmlDocument();
doc.Load(path);
XmlNode root = doc.SelectSingleNode("bookstore");
XmlElement node = doc.CreateElement("book");
XmlAttribute typeAttribute = doc.CreateAttribute("Type");
typeAttribute.InnerText = book.Type;
XmlAttribute isbnAttribute = doc.CreateAttribute("ISBN");
isbnAttribute.InnerText = book.ISBN;
XmlElement nameElement = doc.CreateElement("name") ;
nameElement.InnerText = book.Name;
XmlElement authorElement = doc.CreateElement("author");
authorElement.InnerText = book.Author;
XmlElement priceElement = doc.CreateElement("price");
priceElement.InnerText = book.Price.ToString();
node.AppendChild(nameElement);
node.AppendChild(authorElement);
node.AppendChild(priceElement);
node.SetAttributeNode(typeAttribute);
node.SetAttributeNode(isbnAttribute);
root.AppendChild(node);
doc.Save("c:\\aa.xml");
}
