XMLDocument

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;
using System.IO;

namespace CreateXML
{
    class Program
    {
        static void Main(string[] args)
        {
            XmlDocument doc = new XmlDocument();


            XmlDeclaration dec = doc.CreateXmlDeclaration("1.0", "utf-8", null);
            //添加了一个根节点
            XmlElement Books = doc.CreateElement("Books");
            doc.AppendChild(Books);
            //添加子节点
            XmlElement Book = doc.CreateElement("Book");
            Books.AppendChild(Book);
            XmlElement Name = doc.CreateElement("Name");
            Name.InnerText = "大话设计模式";
            Book.AppendChild(Name);
            XmlElement Price = doc.CreateElement("Price");
            Price.InnerText = "26";
            Book.AppendChild(Price);
            XmlElement Info = doc.CreateElement("Info");
            Info.InnerText = "26种设计模式详细解答";
            Book.AppendChild(Info);
            //---添加另外一个子节点信息----------------------------------------------------
            Book = doc.CreateElement("Book");
            Books.AppendChild(Book);
            Name = doc.CreateElement("Name");
            Name.InnerText = "JavaScript";
            Book.AppendChild(Name);
            Price = doc.CreateElement("Price");
            Price.InnerText = "26";
            Book.AppendChild(Price);
            Info = doc.CreateElement("Info");
            Info.InnerText = "JavaScript详细解答";
            Book.AppendChild(Info);
            //----------------------------------------------------------------------------------------------
            doc.Save("MyBook.xml");
            Console.WriteLine("保存成功");
            //读取显示XML文档
            doc.Load("MyBook.xml");
            //获取节点列表的集合
            XmlNodeList xnl = doc.SelectNodes("/Books/Book");
            //循环遍历输出XML的innertext
            foreach (XmlNode node in xnl)
            {
                Console.WriteLine(node.InnerText);
            }
            Console.ReadKey();
        }
    }
}