本文實例講述了C#實現XML與實體類之間相互轉換的方法。分享給大家供大家參考,具體如下:
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序列化與反序列化/// </summary>public class XmlUtil{ #region 反序列化 /// <summary> /// 反序列化 /// </summary> /// <param name="type">類型</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">類型</param> /// <param name="obj">對象</param> /// <returns></returns> public static string Serializer(Type type, object obj) { MemoryStream Stream = new MemoryStream(); XmlSerializer xml = new XmlSerializer(type); try { //序列化對象 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}
/* 實體對象轉換到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轉換到實體對象 */Student stu2 = XmlUtil.Deserialize(typeof(Student), xml) as Student;Console.Write(string.Format("名字:{0},年齡:{1}", stu2.Name, stu2.Age));/* DataTable轉換到Xml */// 生成DataTable對象用于測試DataTable dt1 = new DataTable("mytable"); // 必須指明DataTable名稱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轉換到DataTable */// 反序列化DataTable dt2 = XmlUtil.Deserialize(typeof(DataTable), xml) as DataTable;// 輸出測試結果foreach (DataRow dr in dt2.Rows){ foreach (DataColumn col in dt2.Columns) { Console.Write(dr[col].ToString() + " "); } Console.Write("/r/n");}/* List轉換到Xml */// 生成List對象用于測試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轉換到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; //用于帶命名空間的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("http://ab:Identifiers/ab:MarketplaceASIN", nsmgr); for (int i = 0; i < macthNodes.Count; i++) { //刪除生成的命名空間,生成標準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/>"); } }}/* 實體對象 */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;}
PS:小編這里再來為大家推薦幾款關于xml操作的在線工具供大家免費使用。相信在以后開發中可以用的到:
在線XML格式化/壓縮工具:
http://tools.VeVB.COm/code/xmlformat
在線XML/JSON互相轉換工具:
http://tools.VeVB.COm/code/xmljson
xml代碼在線格式化美化工具:
http://tools.VeVB.COm/code/xmlcodeformat
HTML/XML轉義字符對照表:
http://tools.VeVB.COm/table/html_escape
更多關于C#相關內容感興趣的讀者可查看本站專題:《C#中XML文件操作技巧匯總》、《C#常見控件用法教程》、《WinForm控件用法總結》、《C#數據結構與算法教程》、《C#面向對象程序設計入門教程》及《C#程序設計之線程使用技巧總結》
希望本文所述對大家C#程序設計有所幫助。
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