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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;
}