C# 时间转换成BCD码

C# 时间转换成BCD码

private void Form1_Load(object sender, EventArgs e)
{
byte[] by = new byte[3];
by[0] = ConvertBCD(DateTime.Now.Year.ToString());
by[1] = ConvertBCD(DateTime.Now.Month.ToString());
by[2] = ConvertBCD(DateTime.Now.Date.ToString());
}

private byte ConvertBCD(string str)
{
return Convert.ToByte(str);
}

byte[ ] y=ConvertBCD(DateTime.Now.Year);//ConvertBCD(string st)是方法
byte[ ] m=ConvertBCD(DateTime.Now.Mouth);
byte[ ] d=ConvertBCD(DateTime.Now.Date);

public static byte PackBCD(byte b)
{
//高四位
byte b1 = (byte)(b / 10);
//低四位
byte b2 = (byte)(b % 10);

return (byte)((b1<<4)|b2);
}