[c#]代码库
private void button1_Click(object sender, EventArgs e)
{
//初始化
int icdev = IC.auto_init(0, 9600);
if (icdev < 0)
label6.Text = "端口初始化失败,请检查接口线是否连接正确。";
unsafe
{
Int16 status = -1;
Int16 result = IC.get_status(icdev, &status);
int md = IC.setsc_md(icdev, 1); //设备密码格式
if (result < 0)
{
int d1 = IC.ic_exit(icdev); //关闭设备
return;
}
else if ((result == 0) && (status == 0))
{
int d2 = IC.ic_exit(icdev); //关闭设备
label6.Text = "请插入IC卡";
return;
}
}
unsafe
{
char str = 'a';
int read = -1;
string ic = "";
for (int j = 0; j < 6; j++)
{
read = IC.srd_4442(icdev, 33 + j, 1, &str);
ic = ic + Convert.ToString(str);
}
textBox1.Text = ic;
if (read == 0)
label6.Text = "刷卡成功!";
int beep = IC.dv_beep(icdev, 20); //发出蜂鸣声
int d3 = IC.ic_exit(icdev); //关闭设备
}
int d = IC.ic_exit(icdev); //关闭设备
//根据卡号,查找相应数据
OleDbConnection con = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + "price.mdb" + ";Persist Security Info=False");
OleDbDataAdapter dap = new OleDbDataAdapter("select * from worker where ICID='"+textBox1.Text+"'", con);
DataSet ds = new DataSet();
dap.Fill(ds, "table");
if (ds.Tables.Count > 0)
{
textBox2.Text = ds.Tables[0].Rows[0][0].ToString();
textBox3.Text = ds.Tables[0].Rows[0][1].ToString();
textBox4.Text = ds.Tables[0].Rows[0][2].ToString();
textBox5.Text = ds.Tables[0].Rows[0][3].ToString();
}
else
{
label6.Text = "不存在该用户!";
}
}
}
}
[StructLayout(LayoutKind.Sequential)]
public unsafe class IC
{
//对设备进行初始化
[DllImport("Mwic_32.dll", EntryPoint = "auto_init", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern int auto_init(int port, int baud);
//设备密码格式
[DllImport("Mwic_32.dll", EntryPoint = "setsc_md", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern int setsc_md(int icdev, int mode);
//获取设备当前状态
[DllImport("Mwic_32.dll", EntryPoint = "get_status", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static unsafe extern Int16 get_status(int icdev, Int16* state);
//关闭设备通讯接口
[DllImport("Mwic_32.dll", EntryPoint = "ic_exit", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern int ic_exit(int icdev);
//使设备发出蜂鸣声
[DllImport("Mwic_32.dll", EntryPoint = "dv_beep", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern int dv_beep(int icdev, int time);
//读取IC卡中数据
[DllImport("Mwic_32.dll", EntryPoint = "srd_4442", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern int srd_4442(int icdev, int offset, int len, char* r_string);
}