c# XML和实体类之间相互转换(序列化和反序列化)

资料来源：网络整理时间：2023/2/14 0:09:57 共计：3610 浏览

我们需要在XML与实体类，DataTable，List之间进行转换，下面是XmlUtil类，该类来自网络并稍加修改。

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 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 }

下面是测试代码：

1. 实体对象转换到Xml

1 2 3 4 5 6 7 8 9 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);

2. Xml转换到实体对象

1 2	`Student stu2 = XmlUtil.Deserialize(typeof(Student), xml)` `as` `Student;` `Console.Write(string.Format("名字:{0},年龄:{1}", stu2.Name, stu2.Age));`

3. DataTable转换到Xml

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 // 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);

4. Xml转换到DataTable

1 2 3 4 5 6 7 8 9 10 11 12 13 // 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"); }

5. List转换到Xml

1 2 3 4 5 6 7 8 // 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);

6. Xml转换到List

1 2 3 4 5 List<Student> list2 = XmlUtil.Deserialize(typeof(List<Student>), xml) as List<Student>; foreach (Student stu in list2) { Console.WriteLine(stu.Name + "," + stu.Age.ToString()); }

从代码可以看到，千变万化不离其宗!

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