C#文件读写的方法
C#文件读写的方法using System.Collections.Generic;
using System.Text;
using System.IO;
byte[] byData = new byte[100]; char[] charData = new char[1000]; try { FileStream sFile = new FileStream("文件路径",FileMode.Open); sFile.Seek(55, SeekOrigin.Begin); sFile.Read(byData, 0, 100); //第一个参数是被传进来的字节数组,用以接受FileStream对象中的数据,第2个参数是字节数组中开始写入数据的位置,它通常是0,表示从数组的开端文件中向数组写数据,最后一个参数规定从文件读多少字符. } catch (IOException e) { Console.WriteLine("An IO exception has been thrown!"); Console.WriteLine(e.ToString()); Console.ReadLine(); return; } Decoder d = Encoding.UTF8.GetDecoder(); d.GetChars(byData, 0, byData.Length, charData, 0); Console.WriteLine(charData); Console.ReadLine();
FileStream fs = new FileStream(文件路径,FileMode.Create); //获得字节数组 byte [] data =new UTF8Encoding().GetBytes(String); //开始写入 fs.Write(data,0,data.Length); //清空缓冲区、关闭流 fs.Flush(); fs.Close();
using System.Collections.Generic;
using System.Text;
using System.IO;
FileStream fs = new FileStream(文件路径,FileMode.Create); //获得字节数组 byte [] data =new UTF8Encoding().GetBytes(String); //开始写入 fs.Write(data,0,data.Length); //清空缓冲区、关闭流 fs.Flush(); fs.Close();
FileStream fs = new FileStream(文件路径, FileMode.Create); StreamWriter sw = new StreamWriter(fs); //开始写入 sw.Write(String); //清空缓冲区 sw.Flush(); //关闭流 sw.Close(); fs.Close();