XML解析与文件存取

using System;
using System.IO;
using System.Text;
using System.Xml;
namespace XMLDemo
{
   class Program
    {
       static void Main(string[] args)
        {
           var xmlDoc = new XmlDocument();
            xmlDoc.Load("ClassLibrary1.XML");
           XmlElement rootElement = xmlDoc.DocumentElement;
           string sPath = "test.txt";
           FileStream fs = new FileStream(sPath, FileMode.Create);
           StreamWriter sw = new StreamWriter(fs, Encoding.UTF8);
           if (rootElement != null)
            {
               XmlNodeList memberNode = rootElement.GetElementsByTagName("members");
               if (memberNode.Count != 0)
                {
                   XmlNode xn = memberNode.Item(0);
                   XmlNodeList xnls = xn.ChildNodes;
                   foreach (XmlNode xnl in xnls)
                   {
                       XmlElement xe = (XmlElement)xnl;
                      var className = xe.GetAttribute("name");
                       sw.WriteLine("method：{0}", className);
                       foreach (XmlNode childNode in xnl.ChildNodes)
                        {
                           var name = childNode.Name;
                            var text = childNode.InnerText.Trim();
                           var contentName = name + ": " + text;
                            sw.WriteLine(contentName);
                        }
                    }
                }
            }
            sw.Flush();
            sw.Close();
            fs.Close();
           Console.ReadKey();
        }
    }
}

namespace TestData
{
    class Program
    {
        static void Main(string[] args)
        {
            //文件地址
            string txtFilePath = @"D:\testData.txt";
            //定义char 数组
            //利用FileStream类将文件文本数据变成流然后放入StreamReader 构造函数中
            using (FileStream stream = File.OpenRead(txtFilePath))
            {
                using (StreamReader reader = new StreamReader(stream,Encoding.Default, false))
                {
                    int i = 0;
                    string result = string.Empty;
                    while ((result = reader.ReadLine()) != null)
                    {
                        Console.WriteLine("第{0}行的内容{1}", i, result);
                         i++;
                    }
                }
            }
            Console.ReadKey();
        }
    }
}