根据编码类型转换字符

Encoding myEncoding = Encoding.GetEncoding("utf-8");

2、 从string到byte[]

string sData = “字符串”;

byte[] myByte = myEncoding.GetBytes(sData);

3、 从byte[]到string

byte[] myByte = new byte[]{};

string sData = myEncoding.GetString(byte[] myByte);