public static void Main()
System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
var bytes = System.Text.Encoding.UTF8.GetBytes("氹仔");
Console.WriteLine(Convert.ToHexString(bytes));
var str = System.Text.Encoding.UTF8.GetString(new byte[]{ 0xEE,0xAF,0xB3,0xE4,0xBB,0x94 });
bytes = System.Text.Encoding.GetEncoding(950).GetBytes(str);
Console.WriteLine(Convert.ToHexString(bytes));