华视身份证阅读器100UC SDK模式二次开发
一：前言
设备已经安装好100UC的USB驱动，设备能正常工作
二：获取数据介绍
通过调取sdk接口获取数据，sdk同http模式不同，初始化完成以后，然后使用 CVR_Authenticate 来确认是否存在身份证，如果存在则去获取身份证信息通过事件反馈给客户端上层，程序读取完一次后 sdk 关闭了数据获取，需要手动拿起身份证卡片后才能再次确认身份证是否存在，限制了读卡次数。开发包还提供和 http 相同的模式，初始化完成以后，使用 CVR_AuthenticateForNoJudge 关闭身份证验证，则可以一直读取身份证信息，取消读卡次数，无需拿起再放下。
三：反馈客户端身份证信息 IDCardNetSDK 类模块代码包含下面三部分
1.先用C#翻译C++的接口
public class ClientInterfance { /// <summary> /// 用于第二代居民身份证阅读器连接 /// </summary> /// <param name="Port">端口编号：连接串口(com1~com16)或者usb口(1001~1016)</param> /// <returns>1:正确,2:端口打开失败,-1:未知错误,-2:动态库加载失败</returns> [DllImport("termb.dll")] public static extern int CVR_InitComm(int Port); /// <summary> /// 读卡器和卡片之间的合法身份确认，卡循环间隔大于300ms。若卡片放置后认证失败，重新放置。 /// </summary> /// <returns>1:卡片认证成功,2:寻卡失败,3:选卡失败,4:未连接读卡器,0:动态库未加载</returns> [DllImport("termb.dll")] public static extern int CVR_Authenticate(); /// <summary> /// 关闭卡片身份确认，使卡片可以一直读，此函数只返回1. /// </summary> /// <returns></returns> [DllImport("termb.dll")] public static extern int CVR_AuthenticateForNoJudge(); /// <summary> /// 通过阅读器从第二代居民身份证读取信息。卡认证成功一候才可读卡操作，读卡完毕若继续读卡应移走二代证卡片重新放置做卡认证 /// </summary> /// <returns>1:正确,0:错误，读取失败,4:读卡器未连接,99:动态库未加载</returns> [DllImport("termb.dll")] public static extern int CVR_Read_FPContent(); /// <summary> /// 关闭pc到阅读器的连接 /// </summary> /// <returns>1:关闭成功,0:端口号不合法,-1:端口已经关闭,-2动态库加载失败</returns> [DllImport("termb.dll")] public static extern int CVR_CloseComm(); /// <summary> /// 得到姓名信息 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetPeopleName(ref byte strTmp,ref int strLen); /// <summary> /// 得到性别信息 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetPeopleSex(ref byte strTmp, ref int strLen); /// <summary> /// //得到民族信息 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetPeopleNation(ref byte strTmp, ref int strLen); /// <summary> /// 得到出生日期 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetPeopleBirthday(ref byte strTmp, ref int strLen); /// <summary> /// 得到地址信息 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetPeopleAddress(ref byte strTmp, ref int strLen); /// <summary> /// 得到卡号信息 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetPeopleIDCode(ref byte strTmp, ref int strLen); /// <summary> /// 得到发证机关信息 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetDepartment(ref byte strTmp, ref int strLen); /// <summary> /// 得到有效开始日期 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetStartDate(ref byte strTmp, ref int strLen); /// <summary> /// 得到有效截止日期 /// </summary> /// <param name="strTmp"></param> /// <param name="strLen"></param> /// <returns></returns> [DllImport("termb.dll")] public static extern int GetEndDate(ref byte strTmp, ref int strLen); }
2.设备初始化、检查卡片合法性、是否读取卡片、读取卡片
public bool isIniCoom() { for (int i = 1001; i <= 1016; i++) { if(ClientInterfance.CVR_InitComm(i) == 1) { return true; } } return false; } public bool isAuthen() { if (ClientInterfance.CVR_Authenticate() == 1) { return true; } return false; } public bool isReadCont() { if (ClientInterfance.CVR_Read_FPContent() == 1) { return true; } return false; } public void isReaded() { IDCardMessage idcard = new IDCardMessage(); byte[] name = new byte[30]; int length = 30; ClientInterfance.GetPeopleName(ref name[0], ref length); idcard.Name = Encoding.GetEncoding("GB2312").GetString(name).Replace("\0", "").Trim(); byte[] sex = new byte[30]; length = 3; ClientInterfance.GetPeopleSex(ref sex[0], ref length); idcard.Sex = Encoding.GetEncoding("GB2312").GetString(sex).Replace("\0", "").Trim(); byte[] people = new byte[30]; length = 3; ClientInterfance.GetPeopleNation(ref people[0], ref length); idcard.National = Encoding.GetEncoding("GB2312").GetString(people).Replace("\0", "").Trim(); byte[] birthday = new byte[30]; length = 16; ClientInterfance.GetPeopleBirthday(ref birthday[0], ref length); idcard.BirthDay = Encoding.GetEncoding("GB2312").GetString(birthday).Replace("\0", "").Trim(); byte[] address = new byte[30]; length = 70; ClientInterfance.GetPeopleAddress(ref address[0], ref length); idcard.Address = Encoding.GetEncoding("GB2312").GetString(address).Replace("\0", "").Trim(); byte[] number = new byte[30]; length = 36; ClientInterfance.GetPeopleIDCode(ref number[0], ref length); idcard.IdentityId = Encoding.GetEncoding("GB2312").GetString(number).Replace("\0", "").Trim(); byte[] signdate = new byte[30]; length = 30; ClientInterfance.GetDepartment(ref signdate[0], ref length); idcard.Gov = Encoding.GetEncoding("GB2312").GetString(signdate).Replace("\0", "").Trim(); byte[] validtermOfStart = new byte[30]; length = 16; ClientInterfance.GetStartDate(ref validtermOfStart[0], ref length); idcard.StartDate = Encoding.GetEncoding("GB2312").GetString(validtermOfStart).Replace("\0", "").Trim(); byte[] validtermOfEnd = new byte[30]; length = 16; ClientInterfance.GetEndDate(ref validtermOfEnd[0], ref length); idcard.EndDate = Encoding.GetEncoding("GB2312").GetString(validtermOfEnd).Replace("\0", "").Trim(); IDCardChangeNotify(this, new MyEventArgs(idcard)); }
3.事件反馈
public event EventHandler<MyEventArgs> IDCardChangeNotify; public class MyEventArgs : EventArgs { IDCardMessage _msg; public MyEventArgs(IDCardMessage msg) { this._msg = msg; } public IDCardMessage Msg { get { return _msg; } } } public class IDCardMessage { public string Name { get; set; } public string Sex { get; set; } public string National { get; set; } public string BirthDay { get; set; } public string Address { get; set; } public string IdentityId { get; set; } public string Gov { get; set; } public string StartDate { get; set; } public string EndDate { get; set; } }
4.开启任务获取数据方法
public void GetIDCard() { CancellationTokenSource cancelTokenSource = new CancellationTokenSource(); cancelTokenSource.Token.Register(()=> { ClientInterfance.CVR_CloseComm(); }); Task.Factory.StartNew(() => { while (!cancelTokenSource.IsCancellationRequested) { Console.WriteLine("1.即将初始化设备"); if(isIniCoom()) { Console.WriteLine("2.即将检查卡片合法性"); if (isAuthen()) { Console.WriteLine("3.即将准备读取"); if (isReadCont()) { isReaded(); } else { ClientInterfance.CVR_CloseComm(); Console.WriteLine("3.读取卡片失败，已关闭接口调用"); } } else { ClientInterfance.CVR_CloseComm(); Console.WriteLine("2.检查卡片合法性失败，已关闭接口调用"); } } else { ClientInterfance.CVR_CloseComm(); Console.WriteLine("初始化失败，已关闭接口调用"); } Thread.Sleep(500); } }, cancelTokenSource.Token); }
四：客户端调用我的模块
static void Main(string[] args) { IDCardNetSDK Evet = new IDCardNetSDK(); Evet.IDCardChangeNotify += IDCardSDKCallBack; Evet.GetIDCard(); Console.ReadKey(); } private static void IDCardSDKCallBack(object sender, IDCardNetSDK.MyEventArgs e) { Console.WriteLine("状态改变:" + e.Msg.IdentityId.ToString()); }
PS: 如果我们在使用的过程中插拔设备，而我们的代码在 初始化设备 、检查卡片合法性、读卡等动作中失败了，一定要加一句 CVR_CloseCommn 关闭设备。
