序列化和反序列化

using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Web;
using System.Web.Script.Serialization;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml;
using System.Xml.Serialization;
namespace test
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            LoginObject loginObject = new LoginObject { Account = "song", Password = "1111" };
            //将object对象转换为string
            string strJson = ScriptSerialize(loginObject);
            //将object对象转换为xml对象
            string strJson1 = ScriptSerializeToXML(loginObject);
            //转换为list对象
            List<LoginObject> list = JSONStringToList<LoginObject>(strJson);
            //将一个xml对象转换为object对象
           string strJson2 = strJson.Substring(1, strJson.Length - 1);
            loginObject = JSONXMLToObject<LoginObject>(strJson1);
            //将字符串转换为dataTable
            DataTable dt = JSONStringToDataTable<LoginObject>(strJson);
            //将字符串转换为object对象
            loginObject = ScriptDeserialize<LoginObject>(strJson);
        }
        public string ScriptSerialize<T>(T t)
        {
            JavaScriptSerializer serializer = new JavaScriptSerializer();
            return serializer.Serialize(t);
        }
        public string ScriptSerializeToXML<T>(T t)
        {
            XmlSerializer serializer = new XmlSerializer(typeof(T));
            MemoryStream mem = new MemoryStream();
            XmlTextWriter writer = new XmlTextWriter(mem, Encoding.UTF8);
            XmlSerializerNamespaces ns = new XmlSerializerNamespaces();
            ns.Add("", "");
            serializer.Serialize(writer, t, ns);
            writer.Close();
            return Encoding.UTF8.GetString(mem.ToArray());
        }
        public List<T> JSONStringToList<T>(string strJson)
        {
            JavaScriptSerializer serializer = new JavaScriptSerializer();
            List<T> objList = serializer.Deserialize<List<T>>(strJson);
            return objList;
        }
        public T ScriptDeserialize<T>(string strJson)
        {
            JavaScriptSerializer serializer = new JavaScriptSerializer();
            return serializer.Deserialize<T>(strJson);
        }
        public T JSONXMLToObject<T>(string strJson)
        {
            XmlDocument xdoc = new XmlDocument();
            try
            {
                xdoc.LoadXml(strJson);
                XmlNodeReader reader = new XmlNodeReader(xdoc.DocumentElement);
                XmlSerializer ser = new XmlSerializer(typeof(T));
                object obj = ser.Deserialize(reader);
                return (T)obj;
            }
            catch
            {
                return default(T);
            }
        }
        public DataTable JSONStringToDataTable<T>(string strJson)
        {
            DataTable dt = new DataTable();
            if (strJson.IndexOf("[") > -1)//如果大于则strJson存放了多个model对象
            {
                strJson = strJson.Remove(strJson.Length - 1, 1).Remove(0, 1).Replace("},{", "};{");
            }
            JavaScriptSerializer serializer = new JavaScriptSerializer();
            string[] items = strJson.Split(';');
            foreach (PropertyInfo property in typeof(T).GetProperties())//通过反射获得T类型的所有属性
            {
                DataColumn col = new DataColumn(property.Name, property.PropertyType);
                dt.Columns.Add(col);
            }
            //循环 一个一个的反序列化
            for (int i = 0; i < items.Length; i++)
            {
                DataRow dr = dt.NewRow();
                //反序列化为一个T类型对象
                T temp = serializer.Deserialize<T>(items[i]);
                foreach (PropertyInfo property in typeof(T).GetProperties())
                {
                    dr[property.Name] = property.GetValue(temp, null);
                }
                dt.Rows.Add(dr);
            }
            return dt;
        }
    }
    public class LoginObject
    {
        public string Account { get; set; }
        public string Password { get; set; }
    }
}