会python真的可以为所欲为0(回)
380天前
这里还有人吗1(回)
565天前这里还有人吗0(回)
565天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
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870天前
鸽子
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874天前 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); |
} |
