C# 向IC卡写入数据

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;namespace Ex10_05{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { } 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 } private void button2_Click(object sender, EventArgs e) { Application.Exit(); } }}[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);}