用C#实现XML和实体类之间序列化和反序列化相互转换

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;     /// 
 /// Xml序列化与反序列化 /// 
 public class XmlUtil {     #region 反序列化     /// 
     /// 反序列化     /// 
     /// 类型     /// XML字符串     ///      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;         }     }     /// 
     /// 反序列化     /// 
     ///      ///      ///      public static object Deserialize(Type type, Stream stream)     {         XmlSerializer xmldes = new XmlSerializer(type);         return xmldes.Deserialize(stream);     }     #endregion        #region 序列化     /// 
     /// 序列化     /// 
     /// 类型     /// 对象     ///      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 }    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);        Student stu2 = XmlUtil.Deserialize(typeof(Student), xml) as Student; Console.Write(string.Format("名字:{0},年龄:{1}", stu2.Name, stu2.Age));        // 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);        // 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("rn"); }     // 生成List对象用于测试 List list1 = new List(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), list1); Console.Write(xml);     List list2 = XmlUtil.Deserialize(typeof(List), xml) as List; foreach (Student stu in list2) {     Console.WriteLine(stu.Name + "," + stu.Age.ToString()); }   protected void Page_Load(object sender, EventArgs e) {     string strTest = @"                                        ATVPDKIKX0DER             B00K69WURQ                                   TBVPDKIKX0DER             C00K69WURQ                                   KlVPDKIKX0DER             D00K69WURQ                                ";     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 + "
");         }     } }     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; }

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