Josn&Xml序列化案例

namespace SerializedTest
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //（1）JSON1      DataContractJsonSerializer
            //People p = new People();
            //DataContractJsonSerializer serializer = new DataContractJsonSerializer(p.GetType());
            //using (FileStream stream = new FileStream("C:\\Users\\Administrator\\Desktop\\json.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite))
            //{
            //    //序列化
            //    serializer.WriteObject(stream, p);
            //    byte[] vs = new byte[stream.Length];
            //    stream.Position = 0;  //============
            //    stream.Read(vs, 0, (int)stream.Length);
            //    textBox1.AppendText(Encoding.UTF8.GetString(vs) + "\r\n");

            //    //反序列化
            //    stream.Position = 0;
            //    People ap = (People)serializer.ReadObject(stream);
            //    textBox1.AppendText("name:"+ap.name+";age:"+ap.age.ToString());
            //}


            //（2）JSON2      JavaScriptSerializer
            //People2 p2 = new People2();
            //JavaScriptSerializer serializer = new JavaScriptSerializer();
            //StringBuilder builder = new StringBuilder();
            序列化
            //string jsonstr = serializer.Serialize(p2);
            //textBox1.AppendText(jsonstr);
            //using (StreamWriter writer = new StreamWriter("C:\\Users\\Administrator\\Desktop\\json.txt"))
            //{
            //    writer.Write(jsonstr);
            //}

            反序列化
            //using (StreamReader reader = new StreamReader("C:\\Users\\Administrator\\Desktop\\json.txt"))
            //{
            //    string str =  reader.ReadToEnd();
            //    var pp2 = (People2)serializer.Deserialize(str,p2.GetType());
            //    textBox1.AppendText(pp2.name + ";" + pp2.age);
            //}



            //（3）XML   XmlSerializer 
            People3 p3 = new People3();
            XmlSerializer serializer = new XmlSerializer(p3.GetType());
            using (FileStream stream = new FileStream("C:\\Users\\Administrator\\Desktop\\xml.txt",FileMode.OpenOrCreate,FileAccess.ReadWrite))
            {
                serializer.Serialize(stream,p3);
                byte[] vs = new byte[stream.Length];

                stream.Position = 0;  //============
                stream.Read(vs, 0, (int)stream.Length);
                textBox1.AppendText(Encoding.UTF8.GetString(vs) + "\r\n");

                stream.Position = 0;
                var pp3 = (People3)serializer.Deserialize(stream);
                textBox1.AppendText(pp3.name + ";" + pp3.age +";"+pp3.num);
            }


        }
    }
    [DataContract]
    class People
    {
        [DataMember]
        public string name = "aa";
        [DataMember]
        public int age = 20;
        //[IgnoreDataMember]
        decimal num = 13212453559;



    }

    class People2
    {
     //必须是public类型 才能用   JavaScriptSerializer 序列化
        public string name = "aa";
        public int age = 20;
        decimal num = 13212453559;
    }


    public class People3 //xml序列化要求类必须是public字段   如果是属性，必须读写都是Public
    {
        //xml只序列化public字段
        public string name = "aa";
        public int age = 20;
        [NonSerialized] //没用
        public decimal num = 13212453559;
    }
}