- using System;
- using System.Collections.Generic;
- using System.IO;
- using System.Linq;
- using System.Text;
- namespace FileStreamReadTest
- {
- class Program
- {
- static void Main(string[] args)
- {
- string path = @"C:\Users\pengshiyu\Desktop\source\test.txt";
- byte[] bufferByte=new byte[100];
- char[] bufferChar=new char[100];
- try
- {
- FileStream fs = new FileStream(path,FileMode.OpenOrCreate,FileAccess.ReadWrite);
- fs.Seek(0,SeekOrigin.Begin);
- fs.Read(bufferByte,0,100);
- Decoder dc = Encoding.Default.GetDecoder();
- dc.GetChars(bufferByte,0,bufferChar.Length,bufferChar,0);
- Console.WriteLine(bufferChar);
- Console.WriteLine("读取完成！");
- bufferChar = "这短话是新的，试试能不能写进去".ToCharArray();
- Encoder en = Encoding.Default.GetEncoder();
- en.GetBytes(bufferChar,0,bufferChar.Length,bufferByte,0,true);
- fs.Seek(0,SeekOrigin.Begin);
- fs.Write(bufferByte,0,bufferByte.Length);
- fs.Close();
- Console.WriteLine("写入完成！");
- }
- catch (Exception ex)
- {
- Console.WriteLine(ex.Message);
- }
- Console.ReadKey();
- }
- }
- }
C#编程-117：文件流FileStream类
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