private static int icdev;// 通讯设备标识符
//读取会员卡数据
public static bool read_data(string company_code, ref string card_str)
{
if (!connect_card_machine())
{
return(false);
}
int i = 0;
byte[] data = new byte[16];
byte[] p_dest = new byte[16];
for (i = 0; i < 16; i++)
{
data[i] = 0;
}
for (i = 0; i < 16; i++)
{
p_dest[i] = 0;
}
int st = IC4442.srd_4442(icdev, 32, 16, data);
if (st == 0)
{
st = IC4442.my_decrypt(data, p_dest);
card_str = System.Text.Encoding.ASCII.GetString(p_dest);
if (!card_str.Contains(company_code))
{
return(false);
}
card_str = card_str.Substring(company_code.Length);
string tmpStr = "";
foreach (char c in card_str)
{
if (char.IsDigit(c))
{
tmpStr += c;
}
}
card_str = tmpStr;
st = IC.dv_beep(icdev, 20);
st = IC.ic_exit(icdev);
return(true);
}
else
{
return(false);
}
}
