byte[] byData = new byte[100];
char[] charData = new char[1000];
public void Read()
{
try
{
FileStream file = new FileStream("E:\\test.txt", FileMode.Open);
file.Seek(0, SeekOrigin.Begin);
file.Read(byData, 0, 100);
//byData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.
Decoder d = Encoding.Default.GetDecoder();
d.GetChars(byData, 0, byData.Length, charData, 0);
Console.WriteLine(charData);
file.Close();
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
}
}
public void Write()
{
FileStream fs = new FileStream("E:\\ak.txt", FileMode.Create);
//获得字节数组
byte[] data = System.Text.Encoding.Default.GetBytes("Hello World!");
//开始写入
fs.Write(data, 0, data.Length);
//清空缓冲区、关闭流
fs.Flush(); // necessary!
fs.Close();
}