二代身份证阅读器（XZX）

问题一

解决方法：

通常我把所有的dll复制到system32文件夹，64位系统复制到sysWOW64文件夹，而且编译选项CPU要选择X86

问题二

解决方法：

图片路径默认是C:\，对C:\没有写的权限，所以提示此错误。改变此路径到别的盘符就可以解决。

以下是我编写的代码

 public class IDCardHelper
     {
         #region 数据类型和导入接口

         [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = )]
         public struct IDCardData
         {
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string Name; //姓名
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string Sex;   //性别
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string Nation; //名族
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string Born; //出生日期
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string Address; //住址
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string IDCardNo; //身份证号
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string GrantDept; //发证机关
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string UserLifeBegin; // 有效开始日期
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string UserLifeEnd;  // 有效截止日期
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string reserved; // 保留
             [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )]
             public string PhotoFileName; // 照片路径
         }
         /************************端口类API *************************/
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_GetCOMBaud", CharSet = CharSet.Ansi)]
         public static extern int Syn_GetCOMBaud(int iPort, ref uint puiBaudRate);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetCOMBaud", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetCOMBaud(int iPort, uint uiCurrBaud, uint uiSetBaud);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_OpenPort", CharSet = CharSet.Ansi)]
         public static extern int Syn_OpenPort(int iPort);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ClosePort", CharSet = CharSet.Ansi)]
         public static extern int Syn_ClosePort(int iPort);
         /**************************SAM类函数 **************************/
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetMaxRFByte", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetMaxRFByte(int iPort, byte ucByte, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ResetSAM", CharSet = CharSet.Ansi)]
         public static extern int Syn_ResetSAM(int iPort, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_GetSAMStatus", CharSet = CharSet.Ansi)]
         public static extern int Syn_GetSAMStatus(int iPort, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_GetSAMID", CharSet = CharSet.Ansi)]
         public static extern int Syn_GetSAMID(int iPort, ref byte pucSAMID, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_GetSAMIDToStr", CharSet = CharSet.Ansi)]
         public static extern int Syn_GetSAMIDToStr(int iPort, ref byte pcSAMID, int iIfOpen);
         /*************************身份证卡类函数 ***************************/
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_StartFindIDCard", CharSet = CharSet.Ansi)]
         public static extern int Syn_StartFindIDCard(int iPort, ref byte pucIIN, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SelectIDCard", CharSet = CharSet.Ansi)]
         public static extern int Syn_SelectIDCard(int iPort, ref byte pucSN, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ReadBaseMsg", CharSet = CharSet.Ansi)]
         public static extern int Syn_ReadBaseMsg(int iPort, ref byte pucCHMsg, ref uint puiCHMsgLen, ref byte pucPHMsg, ref uint puiPHMsgLen, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ReadBaseMsgToFile", CharSet = CharSet.Ansi)]
         public static extern int Syn_ReadBaseMsgToFile(int iPort, ref byte pcCHMsgFileName, ref uint puiCHMsgFileLen, ref byte pcPHMsgFileName, ref uint puiPHMsgFileLen, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ReadBaseFPMsg", CharSet = CharSet.Ansi)]
         public static extern int Syn_ReadBaseFPMsg(int iPort, ref byte pucCHMsg, ref uint puiCHMsgLen, ref byte pucPHMsg, ref uint puiPHMsgLen, ref byte pucFPMsg, ref uint puiFPMsgLen, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ReadBaseFPMsgToFile", CharSet = CharSet.Ansi)]
         public static extern int Syn_ReadBaseFPMsgToFile(int iPort, ref byte pcCHMsgFileName, ref uint puiCHMsgFileLen, ref byte pcPHMsgFileName, ref uint puiPHMsgFileLen, ref byte pcFPMsgFileName, ref uint puiFPMsgFileLen, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ReadNewAppMsg", CharSet = CharSet.Ansi)]
         public static extern int Syn_ReadNewAppMsg(int iPort, ref byte pucAppMsg, ref uint puiAppMsgLen, int iIfOpen);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_GetBmp", CharSet = CharSet.Ansi)]
         public static extern int Syn_GetBmp(int iPort, ref byte Wlt_File);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ReadMsg", CharSet = CharSet.Ansi)]
         public static extern int Syn_ReadMsg(int iPortID, int iIfOpen, ref IDCardData pIDCardData);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_ReadFPMsg", CharSet = CharSet.Ansi)]
         public static extern int Syn_ReadFPMsg(int iPortID, int iIfOpen, ref IDCardData pIDCardData, ref byte cFPhotoname);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_FindReader", CharSet = CharSet.Ansi)]
         public static extern int Syn_FindReader();
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_FindUSBReader", CharSet = CharSet.Ansi)]
         public static extern int Syn_FindUSBReader();
         /***********************设置附加功能函数 ************************/
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetPhotoPath", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetPhotoPath(int iOption, ref byte cPhotoPath);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetPhotoType", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetPhotoType(int iType);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetPhotoName", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetPhotoName(int iType);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetSexType", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetSexType(int iType);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetNationType", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetNationType(int iType);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetBornType", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetBornType(int iType);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetUserLifeBType", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetUserLifeBType(int iType);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_SetUserLifeEType", CharSet = CharSet.Ansi)]
         public static extern int Syn_SetUserLifeEType(int iType, int iOption);
         /***********************M1卡操作函数 (A16D-HF) ********************/
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_USBHIDM1Reset", CharSet = CharSet.Ansi)]
         public static extern int Syn_USBHIDM1Reset(int iPort, ref uint pdwCardSN, ref byte pbSize);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_USBHIDM1AuthenKey", CharSet = CharSet.Ansi)]
         public static extern int Syn_USBHIDM1AuthenKey(int iPort, byte KeyType, byte BlockNo, ref byte pKey);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_USBHIDM1ReadBlock", CharSet = CharSet.Ansi)]
         public static extern int Syn_USBHIDM1ReadBlock(int iPort, byte BlockNo, ref byte pBlock);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_USBHIDM1WriteBlock", CharSet = CharSet.Ansi)]
         public static extern int Syn_USBHIDM1WriteBlock(int iPort, byte BlockNo, ref byte pBlock);
         [DllImport("SynIDCardAPI.dll", EntryPoint = "Syn_USBHIDM1Halt", CharSet = CharSet.Ansi)]
         public static extern int Syn_USBHIDM1Halt(int iPort);

         #endregion

         static int nPort = ;//端口

         /// <summary>
         /// 获取身份证信息
         /// </summary>
         /// <param name="CardMsg"></param>
         /// <param name="errStr"></param>
         /// <returns></returns>
         public static bool ReadMsg(out IDCardData CardMsg, out string errStr)
         {
             CardMsg = new IDCardData();
             errStr = "";
             int nRet, iPhotoType;
             string stmp;
             byte[] cPath = new byte[];
             byte[] pucIIN = new byte[];
             byte[] pucSN = new byte[];

             #region 获取读卡器
             if (nPort == )
             {
                 if (!FindDrivers(out errStr, out nPort))
                 {
                     if (string.IsNullOrEmpty(errStr))
                         errStr = "没有找到读卡器";
                     return false;
                 }
             }
             #endregion

             stmp = "D:\\";
             cPath = System.Text.Encoding.Default.GetBytes(stmp);

             Syn_SetPhotoPath(, ref cPath[]);    //设置照片路径    iOption 路径选项    0=C:    1=当前路径    2=指定路径
             //cPhotoPath    绝对路径,仅在iOption=2时有效
             iPhotoType = ;
             Syn_SetPhotoType(); //0 = bmp ,1 = jpg , 2 = base64 , 3 = WLT ,4 = 不生成
             Syn_SetPhotoName(); // 生成照片文件名 0=tmp 1=姓名 2=身份证号 3=姓名_身份证号 

             Syn_SetSexType();    // 0=卡中存储的数据    1=解释之后的数据,男、女、未知
             Syn_SetNationType();// 0=卡中存储的数据    1=解释之后的数据 2=解释之后加"族"
             Syn_SetBornType();            // 0=YYYYMMDD,1=YYYY年MM月DD日,2=YYYY.MM.DD,3=YYYY-MM-DD,4=YYYY/MM/DD
             Syn_SetUserLifeBType();    // 0=YYYYMMDD,1=YYYY年MM月DD日,2=YYYY.MM.DD,3=YYYY-MM-DD,4=YYYY/MM/DD
             Syn_SetUserLifeEType(, );    // 0=YYYYMMDD(不转换),1=YYYY年MM月DD日,2=YYYY.MM.DD,3=YYYY-MM-DD,4=YYYY/MM/DD,
             // 0=长期 不转换,    1=长期转换为 有效期开始+50年
             if (Syn_OpenPort(nPort) == )
             {
                 if (Syn_SetMaxRFByte(nPort, , ) == )
                 {
                     nRet = Syn_StartFindIDCard(nPort, ref pucIIN[], );
                     nRet = Syn_SelectIDCard(nPort, ref pucSN[], );
                     nRet = Syn_ReadMsg(nPort, , ref CardMsg);
                     if (nRet == )
                     {
                         return true;
                     }
                     else
                     {
                         errStr = " A 读取身份证信息错误";
                         return false;
                     }
                 }
             }
             else
             {
                 errStr = " A 打开端口失败";
                 return false;
             }
             Syn_ClosePort(nPort);
             return true;
         }

         /// <summary>
         /// 获取读卡器
         /// </summary>
         /// <param name="error"></param>
         /// <param name="nPort"></param>
         /// <returns></returns>
         public static bool FindDrivers(out string error, out int nPort)
         {
             int i = ;
             error = "";
             nPort = ;
             try
             {
                 i = Syn_FindReader();
             }
             catch (Exception e)
             {
                 error = e.ToString();
                 return false;
             }
             if (i > )
             {
                 nPort = i;
             }
             else
             {
                 nPort = ;
                 return false;
             }
             return true;
         }
     }

本人用ASP.NET开发的，图片会保存到本地，需要上传到服务器端才能在网页中查看，以下是上传图片的方法

 public bool UploadPhoto(string photoPath)
         {
             FileStream stream = new FileStream(photoPath, FileMode.Open, FileAccess.Read);
             int size = Convert.ToInt32(stream.Length);
             Byte[] MeaningFile = new Byte[size];
             stream.Read(MeaningFile, , size);
             stream.Close();
             FileStream photoStream = null;

             string fileName = photoPath.Substring(photoPath.LastIndexOf("\\") + );
             string fileExt = photoPath.Substring(photoPath.LastIndexOf(".") + );
             if (fileExt.ToLower() == "bmp")//必须是bmp文件
             {
                 try
                 {
                     string filePath = Server.MapPath("~/IDCardPhoto/");
                     if (!Directory.Exists(filePath))
                     {
                         Directory.CreateDirectory(filePath);
                     }
                     if (File.Exists(Server.MapPath("~/IDCardPhoto/" + fileName)) == true)    //如果存在文件
                     {

                     }
                     else
                     {
                         //fileName = "newFileName" + fileExt;
                         photoStream = new FileStream(filePath + fileName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
                         photoStream.Write(MeaningFile, , MeaningFile.Length);
                         photoStream.Close();
                     }
                 }
                 catch
                 {
                     return false;
                 }
                 finally
                 {
                     if (photoStream != null)
                     {
                         try
                         {
                             photoStream.Close();
                         }
                         catch
                         {
                         }
                     }
                 }
             }
             else
             {

             }
             return true;
         }