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)
本文实例讲述了C#实现XML与实体类之间相互转换的方法。分享给大家供大家参考，具体如下：
usingSystem;
usingSystem.Collections.Generic;
usingSystem.Linq;
usingSystem.Text;
usingSystem.IO;
usingSystem.Data;
usingSystem.Xml;
usingSystem.Xml.Serialization;
///<summary>
///Xml序列化与反序列化
///</summary>
publicclassXmlUtil
{
#region反序列化
///<summary>
///反序列化
///</summary>
///<paramname="type">类型</param>
///<paramname="xml">XML字符串</param>
///<returns></returns>
publicstaticobjectDeserialize(Typetype,stringxml)
{
try
{
using(StringReadersr=newStringReader(xml))
{
XmlSerializerxmldes=newXmlSerializer(type);
returnxmldes.Deserialize(sr);
}
}
catch(Exceptione)
{
returnnull;
}
}
///<summary>
///反序列化
///</summary>
///<paramname="type"></param>
///<paramname="xml"></param>
///<returns></returns>
publicstaticobjectDeserialize(Typetype,Streamstream)
{
XmlSerializerxmldes=newXmlSerializer(type);
returnxmldes.Deserialize(stream);
}
#endregion
#region序列化
///<summary>
///序列化
///</summary>
///<paramname="type">类型</param>
///<paramname="obj">对象</param>
///<returns></returns>
publicstaticstringSerializer(Typetype,objectobj)
{
MemoryStreamStream=newMemoryStream();
XmlSerializerxml=newXmlSerializer(type);
try
{
//序列化对象
xml.Serialize(Stream,obj);
}
catch(InvalidOperationException)
{
throw;
}
Stream.Position=0;
StreamReadersr=newStreamReader(Stream);
stringstr=sr.ReadToEnd();
sr.Dispose();
Stream.Dispose();
returnstr;
}
#endregion
}
/*实体对象转换到Xml*/
publicclassStudent
{
publicstringName{set;get;}
publicintAge{set;get;}
}
Studentstu1=newStudent(){Name="okbase",Age=10};
stringxml=XmlUtil.Serializer(typeof(Student),stu1);
Console.Write(xml);
/*Xml转换到实体对象*/
Studentstu2=XmlUtil.Deserialize(typeof(Student),xml)asStudent;
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
DataTabledt1=newDataTable("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
DataTabledt2=XmlUtil.Deserialize(typeof(DataTable),xml)asDataTable;
//输出测试结果
foreach(DataRowdrindt2.Rows)
{
foreach(DataColumncolindt2.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=newList<Student>(3);
list1.Add(newStudent(){Name="okbase",Age=10});
list1.Add(newStudent(){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)asList<Student>;
foreach(Studentstuinlist2)
{
Console.WriteLine(stu.Name+","+stu.Age.ToString());
}
protectedvoidPage_Load(objectsender,EventArgse)
{
stringstrTest=@"<Relationships>
<VariationParentxmlns='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="";
XmlDocumentdoc=newXmlDocument();
doc.LoadXml(strTest);
XmlElementroot=doc.DocumentElement;
//用于带命名空间的XML操作
XmlNamespaceManagernsmgr=newXmlNamespaceManager(doc.NameTable);
nsmgr.AddNamespace("ab","http://www.microsoft.com/schema/Products/2011-10-01");
XmlNodeListmacthNodes=root.SelectNodes("//ab:Identifiers/ab:MarketplaceASIN",nsmgr);
for(inti=0;i<macthNodes.Count;i++)
{
//删除生成的命名空间，生成标准XML。
stringmatchNode=CleanXmlnsTag(macthNodes[i].OuterXml);
MarketplaceASINma=XmlUtil.Deserialize(typeof(MarketplaceASIN),matchNode)asMarketplaceASIN;
if(ma!=null)
{
Response.Write(ma.MarketplaceId+"---------"+ma.ASIN+"<br/>");
}
}
}
/*实体对象*/
publicclassMarketplaceASIN
{
publicstringMarketplaceId{set;get;}
publicstringASIN{set;get;}
}
protectedstringCleanXmlnsTag(stringxml)
{
xml=xml.Replace("xmlns=\"http://www.microsoft.com/schema/Products/2011-10-01\"","");
returnxml;
}
PS：小编这里再来为大家推荐几款关于xml操作的在线工具供大家免费使用。相信在以后开发中可以用的到：
在线XML格式化/压缩工具：
http://tools.jb51.net/code/xmlformat
在线XML/JSON互相转换工具：
http://tools.jb51.net/code/xmljson
xml代码在线格式化美化工具：
http://tools.jb51.net/code/xmlcodeformat
HTML/XML转义字符对照表：
http://tools.jb51.net/table/html_escape
更多关于C#相关内容感兴趣的读者可查看本站专题：《C#中XML文件操作技巧汇总》、《C#常见控件用法教程》、《WinForm控件用法总结》、《C#数据结构与算法教程》、《C#面向对象程序设计入门教程》及《C#程序设计之线程使用技巧总结》
希望本文所述对大家C#程序设计有所帮助。