序列化和反序列化

 序列化和反序列化

对象--->二进制
二进制--->对象
目的：
--->传输数据
--->保存对象的状态

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
namespace _05序列化和反序列化
{
    class Program
    {
        static void Main(string[] args)
        {
            //要将p这个对象 传输给对方电脑
            //Person p = new Person();
            //p.Name = "张三";
            //p.Age = 19;
            //p.Gender = '男';
            //负责写入的流
            //using (FileStream fsWrite = new FileStream(@"C:\Users\SpringRain\Desktop\111.txt", FileMode.OpenOrCreate, FileAccess.Write))
            //{ 
            //    //开始序列化对象,将对象序列化为二进制
            //    BinaryFormatter bf = new BinaryFormatter();
            //    bf.Serialize(fsWrite, p);
            //}
            //Console.WriteLine("序列化成功");
            //Console.ReadKey();

            //接收对方发送过来的二进制 反序列化成对象
            Person p;
            using (FileStream fsRead = new FileStream(@"C:\Users\SpringRain\Desktop\111.txt", FileMode.OpenOrCreate, FileAccess.Read))
            {
                BinaryFormatter bf = new BinaryFormatter();
                p = (Person)bf.Deserialize(fsRead);
            }
            Console.WriteLine(p.Name);
            Console.WriteLine(p.Age);
            Console.WriteLine(p.Gender);
            Console.ReadKey();
        }
    }


    [Serializable]
    public class Person
    {
        private string _name;

        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }


        private char _gender;

        public char Gender
        {
            get { return _gender; }
            set { _gender = value; }
        }

        private int _age;

        public int Age
        {
            get { return _age; }
            set { _age = value; }
        }
    }
}

 

 

保存对象的状态案例

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
namespace _16序列化和反序列化
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {


        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            //保存当前应用程序的状态
            MovieConfig mc = new MovieConfig();
            mc.Height = 512;
            mc.Width = 800;
            mc.JinDu = 88;
            mc.Volumn = 70;
            //标记这个类可以被序列化

            using (FileStream fsWrite = new FileStream("config.config", FileMode.OpenOrCreate, FileAccess.Write))
            {
                //创建序列化对象
                BinaryFormatter bf = new BinaryFormatter();
                //开始序列化
                bf.Serialize(fsWrite, mc);
            }

            //  MessageBox.Show("当前应用程序状态保持成功！！！");
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            if (File.Exists("config.config"))
            {
                MovieConfig mc;
                //反序列化
                using (FileStream fsRead = new FileStream("config.config", FileMode.OpenOrCreate, FileAccess.Read))
                {
                    BinaryFormatter bf = new BinaryFormatter();
                    mc = bf.Deserialize(fsRead) as MovieConfig;
                }

                this.Height = mc.Height;
                this.Width = mc.Width;
                this.progressBar1.Value = mc.JinDu;
                textBox1.Text = "当前音量" + mc.Volumn;
            }
        }
    }
}