public partial class ReadCard : Form
{
// 操作IC卡的函数,封装在IC类中
[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 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);
//向IC卡中写数据
[DllImport("Mwic_32.dll", EntryPoint = "swr_4442", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern int swr_4442(int icdev, int offset, int len, char* w_string);
//核对卡密码
[DllImport("Mwic_32.dll", EntryPoint = "csc_4442", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
public static extern Int16 Csc_4442(int icdev, int len, [MarshalAs(UnmanagedType.LPArray)] byte[] p_string);
}
public ReadCard()
{
InitializeComponent();
}
// 下面主要是 将TextBox的数据写入到IC卡
private void button1_Click(object sender, EventArgs e)
{
//初始化
int icdev = IC.auto_init(0, 9600);
if (icdev < 0)
MessageBox.Show("端口初始化失败,请检查接口线是否连接正确。", "错误提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
int md = IC.setsc_md(icdev, 1); //设备密码格式
unsafe
{
Int16 status = 0;
Int16 result = 0;
result = IC.get_status(icdev, &status);
if (result != 0)
{
MessageBox.Show("设备当前状态错误!");
int d1 = IC.ic_exit(icdev); //关闭设备
return;
}
if (status != 1)
{
MessageBox.Show("请插入IC卡");
int d2 = IC.ic_exit(icdev); //关闭设备
return;
}
}
unsafe
{
//卡的密码默认为6个F(密码为:ffffff),1个F的16进制是15,2个F的16进制是255。
byte[] pwd = new byte[3] { 255, 255, 255 };
//byte[] pwd = new byte[3] { 0xff, 0xff, 0xff };
//char[] pass=new ch{0xff,0xff,0xff};
Int16 checkIC_pwd = IC.Csc_4442(icdev, 3, pwd);
if (checkIC_pwd < 0)
{
MessageBox.Show("IC卡密码错误!");
return;
}
char str = 'a';
int write = -1;
for (int j = 0; j < textBox1.Text.Length; j++)
{
str = Convert.ToChar(textBox1.Text.Substring(j, 1));
write = IC.swr_4442(icdev, 33 + j, textBox1.Text.Length, &str);
}
if (write == 0)
{
int beep = IC.dv_beep(icdev, 20); //发出蜂鸣声
MessageBox.Show("数据已成功写入IC卡中!");
}
else
{
MessageBox.Show("数据写入IC卡失败!");
}
}
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
{
MessageBox.Show("不存在该用户!");
}
}
private void button2_Click(object sender, EventArgs e)
{
Application.Exit();
}
}
}