public static System.Text.Encoding GetType(string FILE_NAME)
{
FileStream fs = new FileStream(FILE_NAME, FileMode.Open, FileAccess.Read);
System.Text.Encoding r = GetType(fs);
fs.Close();
return r;
}
public static System.Text.Encoding GetType(FileStream fs)
{
/*byte[] Unicode=new byte[]{0xFF,0xFE};
byte[] UnicodeBIG=new byte[]{0xFE,0xFF};
byte[] UTF8=new byte[]{0xEF,0xBB,0xBF};*/
BinaryReader r = new BinaryReader(fs, System.Text.Encoding.Default);
byte[] ss = r.ReadBytes(3);
r.Close();
//编码类型 Coding=编码类型.ASCII;
if (ss[0] >= 0xEF)
{
if (ss[0] == 0xEF && ss[1] == 0xBB && ss[2] == 0xBF)
{
return System.Text.Encoding.UTF8;
}
else if (ss[0] == 0xFE && ss[1] == 0xFF)
{
return System.Text.Encoding.BigEndianUnicode;
}
else if (ss[0] == 0xFF && ss[1] == 0xFE)
{
return System.Text.Encoding.Unicode;
}
else
{
return System.Text.Encoding.Default;
}
}
else
{
return System.Text.Encoding.Default;
}
}
}