using System.IO;
//读filename到byte[]
private byte[] ReadFile(string fileName)
{
FileStream pFileStream = null;
byte[] pReadByte = new byte[0];
try
{
pFileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(pFileStream);
r.BaseStream.Seek(0, SeekOrigin.Begin); //将文件指针设置到文件开
pReadByte = r.ReadBytes((int)r.BaseStream.Length);
return pReadByte;
}
catch
{
return pReadByte;
}
finally
{
if (pFileStream != null)
pFileStream.Close();
}
}
//写byte[]到fileName
private bool writeFile(byte[] pReadByte, string fileName)
{
FileStream pFileStream = null;
try
{
pFileStream = new FileStream(fileName, FileMode.OpenOrCreate);
pFileStream.Write(pReadByte, 0, pReadByte.Length);
}
catch
{
return false;
}
finally
{
if (pFileStream != null)
pFileStream.Close();
}
return tr;
}
测试
private void button6_Click(object sender, EventArgs e)
{
//by 闫磊 Email:Landgis@126.com,yanleigis@21cn.com 2007.11.23
byte[] b = ReadFile(@”c:u.jpg“);
if (writeFile(b, @”c:.jpg“))
{
MessageBox.Show(“成功“);
}
else { MessageBox.Show(“失败“); }
}