XmlWriter/XmlReader示例代码

在Silverlight项目中，如果您想最大程度的减少xap包的大小，仅使用默认System.Xml命名空间下提供的功能来实现“XML序列化/反序列化”，恐怕XmlReader/XmlWriter将成为唯一选择了，下面是示例代码：

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using System.IO;

using System.Text;

using System.Xml;

  

namespace slLib

{

    public class Person

    {

        private string _name = "";

  

        /// <summary>

        /// 姓名

        /// </summary>

        public string Name

        {

            get { return _name; }

            set { _name = value; }

        }

  

  

        private int _age = 0;

  

        /// <summary>

        /// 年龄

        /// </summary>

        public int Age        

        {

            get { return _age; }

            set { _age = value; }

        }

  

        /// <summary>

        /// 将Person实例转化为xml字符串

        /// </summary>

        /// <returns></returns>

        public string ToXmlString() 

        {

            MemoryStream ms = new MemoryStream();

            XmlWriter writer = XmlWriter.Create(ms);

  

            writer.WriteStartDocument();

                writer.WriteStartElement("data");

                    writer.WriteStartElement("person");                      

                          

                        writer.WriteStartElement("name");                       

                            writer.WriteAttributeString("type", "String");

                            writer.WriteValue(this.Name);

                        writer.WriteEndElement();

  

                        writer.WriteStartElement("age");

                            writer.WriteAttributeString("type", "Int32");

                            writer.WriteValue(this.Age);

                        writer.WriteEndElement();

  

                    writer.WriteEndElement();

                writer.WriteEndElement();

            writer.WriteEndDocument();

  

            writer.Flush();

            writer.Close();

            byte[] bytes = ms.ToArray();

            string result = Encoding.UTF8.GetString(bytes, 0, bytes.Length);

            return result;

        }

  

        /// <summary>

        /// 从xml字符串给Person实例属性赋值

        /// </summary>

        /// <param name="xmlString"></param>

        public void FromXmlString(string xmlString) 

        {

            MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(xmlString));

            XmlReader reader = XmlReader.Create(ms);

  

             

            reader.Read();

            reader.ReadStartElement("data");

                reader.ReadStartElement("person");

                    string nameType = reader.GetAttribute("type");

                    string nameValue = reader.ReadElementContentAsString();

                    string ageType = reader.GetAttribute("type");

                    int ageValue = reader.ReadElementContentAsInt();

                reader.ReadEndElement();

            reader.ReadEndElement();

            reader.Close();

  

            this._name = nameValue;

            this._age = ageValue;

              

  

        }

  

          

    }

}