C#实现XML与实体类之间相互转换的方法(序列化与反序列化)

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.IO;using System.Data;using System.Xml;using System.Xml.Serialization;/// <summary>/// Xml序列化与反序列化/// </summary>public class XmlUtil{  #region 反序列化  /// <summary>  /// 反序列化  /// </summary>  /// <param name="type">类型</param>  /// <param name="xml">XML字符串</param>  /// <returns></returns>  public static object Deserialize(Type type, string xml)  {    try    {      using (StringReader sr = new StringReader(xml))      {        XmlSerializer xmldes = new XmlSerializer(type);        return xmldes.Deserialize(sr);      }    }    catch (Exception e)    {      return null;    }  }  /// <summary>  /// 反序列化  /// </summary>  /// <param name="type"></param>  /// <param name="xml"></param>  /// <returns></returns>  public static object Deserialize(Type type, Stream stream)  {    XmlSerializer xmldes = new XmlSerializer(type);    return xmldes.Deserialize(stream);  }  #endregion  #region 序列化  /// <summary>  /// 序列化  /// </summary>  /// <param name="type">类型</param>  /// <param name="obj">对象</param>  /// <returns></returns>  public static string Serializer(Type type, object obj)  {    MemoryStream Stream = new MemoryStream();    XmlSerializer xml = new XmlSerializer(type);    try    {      //序列化对象      xml.Serialize(Stream, obj);    }    catch (InvalidOperationException)    {      throw;    }    Stream.Position = 0;    StreamReader sr = new StreamReader(Stream);    string str = sr.ReadToEnd();    sr.Dispose();    Stream.Dispose();    return str;  }  #endregion}

/* 实体对象转换到Xml */public class Student{  public string Name { set; get; }  public int Age { set; get; }}Student stu1 = new Student() { Name = "okbase", Age = 10 };string xml = XmlUtil.Serializer(typeof(Student), stu1);Console.Write(xml);/* Xml转换到实体对象 */Student stu2 = XmlUtil.Deserialize(typeof(Student), xml) as Student;Console.Write(string.Format("名字:{0},年龄:{1}", stu2.Name, stu2.Age));/* DataTable转换到Xml */// 生成DataTable对象用于测试DataTable dt1 = new DataTable("mytable");  // 必须指明DataTable名称dt1.Columns.Add("Dosage", typeof(int));dt1.Columns.Add("Drug", typeof(string));dt1.Columns.Add("Patient", typeof(string));dt1.Columns.Add("Date", typeof(DateTime));// 添加行dt1.Rows.Add(25, "Indocin", "David", DateTime.Now);dt1.Rows.Add(50, "Enebrel", "Sam", DateTime.Now);dt1.Rows.Add(10, "Hydralazine", "Christoff", DateTime.Now);dt1.Rows.Add(21, "Combivent", "Janet", DateTime.Now);dt1.Rows.Add(100, "Dilantin", "Melanie", DateTime.Now);// 序列化xml = XmlUtil.Serializer(typeof(DataTable), dt1);Console.Write(xml);/* Xml转换到DataTable */// 反序列化DataTable dt2 = XmlUtil.Deserialize(typeof(DataTable), xml) as DataTable;// 输出测试结果foreach (DataRow dr in dt2.Rows){  foreach (DataColumn col in dt2.Columns)  {    Console.Write(dr[col].ToString() + " ");  }  Console.Write("/r/n");}/* List转换到Xml */// 生成List对象用于测试List<Student> list1 = new List<Student>(3);list1.Add(new Student() { Name = "okbase", Age = 10 });list1.Add(new Student() { Name = "csdn", Age = 15 });// 序列化xml = XmlUtil.Serializer(typeof(List<Student>), list1);Console.Write(xml);/* Xml转换到List */List<Student> list2 = XmlUtil.Deserialize(typeof(List<Student>), xml) as List<Student>;foreach (Student stu in list2){  Console.WriteLine(stu.Name + "," + stu.Age.ToString());}

protected void Page_Load(object sender, EventArgs e){  string strTest = @"<Relationships>   <VariationParent xmlns='http://www.microsoft.com/schema/Products/2011-10-01'>    <Identifiers>     <MarketplaceASIN>      <MarketplaceId>ATVPDKIKX0DER</MarketplaceId>      <ASIN>B00K69WURQ</ASIN>     </MarketplaceASIN>     <MarketplaceASIN>      <MarketplaceId>TBVPDKIKX0DER</MarketplaceId>      <ASIN>C00K69WURQ</ASIN>     </MarketplaceASIN>     <MarketplaceASIN>      <MarketplaceId>KlVPDKIKX0DER</MarketplaceId>      <ASIN>D00K69WURQ</ASIN>     </MarketplaceASIN>    </Identifiers>   </VariationParent>  </Relationships>";  TextBox1.Text = "";  XmlDocument doc = new XmlDocument();  doc.LoadXml(strTest);  XmlElement root = doc.DocumentElement;  //用于带命名空间的XML操作  XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);  nsmgr.AddNamespace("ab", "http://www.microsoft.com/schema/Products/2011-10-01");  XmlNodeList macthNodes = root.SelectNodes("//ab:Identifiers/ab:MarketplaceASIN", nsmgr);  for (int i = 0; i < macthNodes.Count; i++)  {    //删除生成的命名空间，生成标准XML。    string matchNode = CleanXmlnsTag(macthNodes[i].OuterXml);    MarketplaceASIN ma = XmlUtil.Deserialize(typeof(MarketplaceASIN), matchNode) as MarketplaceASIN;    if (ma != null)    {      Response.Write(ma.MarketplaceId + "---------" + ma.ASIN + "<br/>");    }  }}/* 实体对象 */public class MarketplaceASIN{  public string MarketplaceId { set; get; }  public string ASIN { set; get; }}protected string CleanXmlnsTag(string xml){  xml = xml.Replace("xmlns=/"http://www.microsoft.com/schema/Products/2011-10-01/"", "");  return xml;}