XML和实体类之间相互转换(序列化和反序列化)

绝地灬酷狼 2022-04-24 04:38 270阅读 0赞

# [XML和实体类之间相互转换(序列化和反序列化)][XML] #

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。

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

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

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

// 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

// 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

// 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

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

https://www.cnblogs.com/hnsongbiao/p/7716932.html

posted @ 2019-01-22 13:45 [波霸38][38] 阅读( ...) 评论( ...) [编辑][Link 1] 收藏

[XML]: https://www.cnblogs.com/sharing1986687846/p/10303376.html
[38]: https://www.cnblogs.com/sharing1986687846/
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