using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.IO;namespace ConsoleApplication1{ public class INFO { public Int32 a { get; set; } public string b { get; set; } public string c { get; set; } public INFO() { a = 0; b = ""; c = ""; } public void ReadFromStream(Stream ms) { BinaryReader binReader = new BinaryReader(ms); this.a = binReader.ReadInt32(); this.b = binReader.ReadString(); this.c = binReader.ReadString(); } public void WriteToStream(Stream ms) { BinaryWriter binWriter = new BinaryWriter(ms); binWriter.Write(this.a); binWriter.Write(this.b); binWriter.Write(this.c); Console.WriteLine(this.a.ToString()); Console.WriteLine(this.b); Console.WriteLine(this.c); } static void Main(string[] args) { const string FilePath = @"D:\a.txt"; FileStream fs = new FileStream(FilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite); INFO g = new INFO(); g.a = 12; g.b = "abcdefa"; g.c = "小圆子"; g.WriteToStream(fs); fs.Close(); FileStream fsr = new FileStream(FilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite); g.ReadFromStream(fsr); fsr.Close(); Console.ReadLine(); } } }