/******************************************************************************
 * 文件名称: CardReader.cs
 * 文件说明: 读卡的封装，包括社保卡，身份证，电子凭证等等
 * 当前版本: V1.0
 * 创建日期: 2022-06-20
 *
 * * 2020-06-20: 增加 CardReader 类
 * *****  2020-06-20: 增加 CardReader 方法，获取URL地址,USER信息，地方版SSCard.dll使用
 * *****  2020-06-20: 增加 CardReader 方法重载，国家版电子凭证使用
 * *****  2020-06-20: 增加 Init 方法，SSCard环境初始化
 * *****  2020-06-20: 增加 ReadCardBas 方法，读社保卡
 * *****  2020-06-20: 增加 VerifyPIN 方法，验证密码
 * *****  2020-06-20: 增加 ChangePIN 方法，修改密码
 * *****  2020-06-20: 增加 ReadSFZ 方法，读身份证
 * *****  2020-06-20: 增加 GetQRBase 方法，读二维码
 * *****  2020-06-20: 增加 NationEcTrans 方法，读电子凭证（国家版）


******************************************************************************/
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using PTMedicalInsurance.Helper;
using PTMedicalInsurance.Variables;
using System;
using System.Runtime.InteropServices;
using System.Text;


namespace PTMedicalInsurance.CardReaders
{
    //class CardReader
    //{
    //    const string DllPath = @"SSCard.dll";
    //    private bool initilaized = false;

    //    [DllImport("SSCard.dll", EntryPoint = "Init", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
    //    static extern int Init(StringBuilder pURL, StringBuilder pUser);

    //    [DllImport("SSCard.dll", EntryPoint = "ReadCardBas", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
    //    static extern int ReadCardBas(StringBuilder pOutBuff, int nOutBuffLen, StringBuilder pSignBuff, int nSignBuffLen);

    //    //社保卡-异地1
    //    [DllImport("SSCardDriver.dll", EntryPoint = "iReadCardBas_HSM_Step1", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
    //    static extern int ReadCardBas_HSM_Step1(int iType, StringBuilder pDevInfo, StringBuilder pOutInfo);
    //    //社保卡-异地2
    //    [DllImport("SSCardDriver.dll", EntryPoint = "iReadCardBas_HSM_Step2", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
    //    static extern int ReadCardBas_HSM_Step2(StringBuilder pKey, StringBuilder pOutInfo);

    //    private string URL;
    //    private string User;

    //    public CardReader()
    //    {

    //    }

    //    public CardReader(string URL, string User)
    //    {
    //        this.URL = URL;
    //        this.User = User;
    //    }

    //    public int Init()
    //    {
    //        string errMsg = "";
    //        int result = -1;
    //        try
    //        {
    //            StringBuilder sbURL = new StringBuilder(URL);
    //            StringBuilder sbUSER = new StringBuilder(User);

    //            result = Init(sbURL, sbUSER);
    //            return result;
    //        }
    //        catch (Exception ex)
    //        {
    //            errMsg = ex.Message;
    //            return result;

    //        }
    //        finally
    //        {
    //            Global.writeLog("初始化", URL + ":" + User, result.ToString() + ":" + errMsg);
    //        }
    //    }

    //    public int ReadCardBas(out string basInfo, out string regInfo)
    //    {
    //        basInfo = ""; regInfo = "";
    //        int rtn = -1;
    //        try
    //        {
    //            StringBuilder sbBasInfo = new StringBuilder(1024);
    //            StringBuilder sbRegInfo = new StringBuilder(1024);

    //            rtn = ReadCardBas(sbBasInfo, 1024, sbRegInfo, 1024);
    //            basInfo = sbBasInfo.ToString();
    //            regInfo = sbRegInfo.ToString();
    //            return rtn;
    //        }
    //        catch (Exception ex)
    //        {
    //            basInfo = "ReadCardBas异常:" + ex.Message;
    //            return rtn;
    //        }
    //        finally
    //        {
    //            Global.writeLog("读社保卡(" + URL + ")", regInfo, basInfo);
    //        }
    //    }

    //    public int ReadCardBas_HSM_Step1(int iType, string sDevInfo, out string sOutInfo)
    //    {
    //        sOutInfo = "";
    //        int rtn = -1;
    //        try
    //        {
    //            StringBuilder bDevInfo = new StringBuilder(sDevInfo);
    //            StringBuilder bOutInfo = new StringBuilder(1024);

    //            rtn = ReadCardBas_HSM_Step1(iType, bDevInfo, bOutInfo);
    //            sOutInfo = bOutInfo.ToString();

    //            return rtn;
    //        }
    //        catch (Exception ex)
    //        {
    //            sOutInfo = "ReadCardBas_HSM_Step1异常:" + ex.Message;
    //            return rtn;
    //        }
    //        finally
    //        {
    //            Global.writeLog("调用社保卡ReadCardBas_HSM_Step1函数：", iType + "|" + sDevInfo, sOutInfo);
    //        }
    //    }

    //    public int ReadCardBas_HSM_Step2(string pKey, out string sOutInfo)
    //    {
    //        sOutInfo = "";
    //        int rtn = -1;
    //        try
    //        {
    //            StringBuilder bPKey = new StringBuilder(pKey);
    //            StringBuilder bOutInfo = new StringBuilder(1024);

    //            rtn = ReadCardBas_HSM_Step2(bPKey, bOutInfo);
    //            sOutInfo = bOutInfo.ToString();

    //            return rtn;
    //        }
    //        catch (Exception ex)
    //        {
    //            sOutInfo = "ReadCardBas_HSM_Step2异常:" + ex.Message;
    //            return rtn;
    //        }
    //        finally
    //        {
    //            Global.writeLog("调用社保卡ReadCardBas_HSM_Step2函数：", pKey, sOutInfo);
    //        }
    //    }

    //    /// <summary>
    //    /// 读身份证
    //    /// </summary>
    //    /// <param name="OutBuff"></param>
    //    /// <returns></returns>
    //    public int ReadSFZ(out string OutBuff)
    //    {
    //        OutBuff = "";
    //        try
    //        {
    //            SFZReader reader = new SFZReader();
    //            return reader.ReadSFZ(out OutBuff);
    //        }
    //        catch (Exception ex)
    //        {
    //            OutBuff = "ReadSFZ 异常:" + ex.Message;
    //            return -1;
    //        }
    //    }

    //    /// <summary>
    //    /// 6101
    //    /// </summary>
    //    /// <param name="OutBuff"></param>
    //    /// <returns></returns>
    //    public int ReadEC(out string OutBuff)
    //    {
    //        OutBuff = "";
    //        try
    //        {
    //            ECTokenData eCToken = new ECTokenData();
    //            eCToken.orgId = Global.inf.hospitalNO;
    //            eCToken.operatorId = Global.user.ID;
    //            eCToken.operatorName = Global.user.name;
    //            eCToken.officeId = Global.user.officeID;
    //            eCToken.officeName = Global.user.officeName;
    //            eCToken.businessType = Global.businessType;
    //            //eCToken.outBizNo = bizNo;
    //            //eCToken.extData = "";

    //            string tmp = JsonConvert.SerializeObject(eCToken);
    //            var inData = new { InData = JObject.Parse(tmp) };
    //            JObject joInData = new JObject(
    //                    new JProperty("InData", JObject.Parse(tmp))
    //                );

    //            ECReader reader = new ECReader();
    //            return reader.Read(joInData,out OutBuff);
    //        }
    //        catch (Exception ex)
    //        {
    //            OutBuff = "ReadEC 异常:" + ex.Message;
    //            return -1;
    //        }
    //    }

    //    /// <summary>
    //    /// 6101
    //    /// </summary>
    //    /// <param name="OutBuff"></param>
    //    /// <returns></returns>
    //    public int ECQuery(out string OutBuff)
    //    {
    //        OutBuff = "";
    //        try
    //        {
    //            EcQueryData ecqueryData = new EcQueryData();
    //            ecqueryData.orgId = Global.inf.hospitalNO;
    //            ecqueryData.operatorId = Global.user.ID;
    //            ecqueryData.operatorName = Global.user.name;
    //            ecqueryData.officeId = Global.user.officeID;
    //            ecqueryData.officeName = Global.user.officeName;
    //            ecqueryData.businessType = Global.businessType;
    //            //eCToken.outBizNo = bizNo;
    //            //eCToken.extData = "";
    //            NationECInput nationECInput = new NationECInput();
    //            nationECInput.data = ecqueryData;
    //            nationECInput.orgId = Global.inf.hospitalNO;
    //            nationECInput.transType = "ec.query";
    //            nationECInput.extra = "";
    //            //测试环境电子凭证动态库地址：http://igb.hsa.gdgov.cn/tst_nation_eccode/tst_eccode/localcfc/api/hsecfc/localQrCodeQuery
    //            //正式环境电子凭证动态库地址：http://hosp.gd.hsip.gov.cn/prd_nation_eccode/prd_eccode/localcfc/api/hsecfc/localQrCodeQuery

    //            NationECCodeAPI nationECCodeAPI = new NationECCodeAPI(Global.inf.ecURL);
    //            return nationECCodeAPI.NationEcTrans(nationECInput, out OutBuff);
    //        }
    //        catch (Exception ex)
    //        {
    //            OutBuff = "ECQuery 异常:" + ex.Message;
    //            return -1;
    //        }
    //    }
    //}  

    class CardReader:MarshalByRefObject
    {
        const string DllPath = @"SSCard.dll";
        private bool initilaized = false;

        [DllImport("SSCard.dll", EntryPoint = "Init", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int Init(IntPtr pURL, IntPtr pUser);

        [DllImport("SSCard.dll", EntryPoint = "ReadCardBas", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        private static extern int ReadCardBas(IntPtr pOutBuff, int nOutBuffLen, IntPtr pSignBuff, int nSignBuffLen);

        [DllImport("SSCard.dll", EntryPoint = "VerifyPIN", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int VerifyPIN(StringBuilder pOutBuff, int nOutBuffLen);

        [DllImport("SSCard.dll", EntryPoint = "ChangePIN", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int ChangePIN(StringBuilder pOutBuff, int nOutBuffLen);

        [DllImport("SSCard.dll", EntryPoint = "ReadSFZ", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int ReadSFZ(StringBuilder pOutBuff, int nOutBuffLen, StringBuilder pSignBuff, int nSignBuffLen);

        [DllImport("SSCard.dll", EntryPoint = "GetQRBase", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int GetQRBase(int nTimeout, StringBuilder pOutBuff, int nOutBuffLen, StringBuilder pSignBuff, int nSignBuffLen);
        //电子凭证
        [DllImport("NationECCode.dll", EntryPoint = "NationEcTrans", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern IntPtr NationEcTrans(StringBuilder strUrl, StringBuilder InData, StringBuilder OutData);

        private static readonly Lazy<CardReader> _lazyInstance = new Lazy<CardReader>(() => new CardReader());

        private string URL;
        private string User;
        private static CardReader _instance;
        private static readonly object _lock = new object();

        public static int count =0;
        public static int countA = 0;
        public static int countinit = 0;
        private CardReader() { }

        public static CardReader Instance => _lazyInstance.Value;

        //public static CardReader Instance
        //{
        //    get
        //    {
        //        if (_instance == null)
        //        {
        //            lock (_lock)
        //            {
        //                if (_instance == null)
        //                {
        //                    _instance = new CardReader();
        //                    count++;
        //                    Global.writeLog_debug($"获取实例且创建实例:{count}");
        //                }

        //            }
        //        }
        //        else
        //        {
        //            countA++;
        //            Global.writeLog_debug($"检测到实例已创建，不再重复创建:{countA}");

        //        }
        //        return _instance;

        //    }
        //}



        public void Initialize(string url, string user)
        {
            lock (_lock)
            {
                if (string.IsNullOrEmpty(URL) && string.IsNullOrEmpty(User))
                {
                    URL = url;
                    User = user;
                }
                else
                {
                    //throw new InvalidOperationException("CardReader 已经初始化，无法重复设置 URL 和 User。");
                }
            }
        }

        private CardReader(string URL, string User)
        {
            this.URL = URL;
            this.User = User;
        }

        public int Init()
        {

            if (initilaized)
            {
                Global.writeLog_debug("检测到已经初始化，本次不再初始化！");
                return 0;
            }
            countinit++;
            Global.writeLog_debug($"开始初始化:{countinit}");
            
            string errMsg = "";
            int result = -1;
            //Global.writeLog_debug(string.Format("读卡初始化:{0},{1}", URL, User));

            // 将托管字符串转换为 ANSI 编码的字节数组
            byte[] urlBytes = Encoding.ASCII.GetBytes(URL + '\0'); // 添加终止符
            byte[] userBytes = Encoding.ASCII.GetBytes(User + '\0'); // 添加终止符

            //// 分配非托管内存并复制字符串数据
            //IntPtr pUrl = Marshal.AllocCoTaskMem(urlBytes.Length);
            //IntPtr pUser = Marshal.AllocCoTaskMem(userBytes.Length);

            // 分配全局非托管内存并复制字符串数据
            IntPtr pUrl = Marshal.AllocHGlobal(urlBytes.Length);
            IntPtr pUser = Marshal.AllocHGlobal(userBytes.Length);
            try
            {


                // 将托管字节数组复制到非托管内存
                Marshal.Copy(urlBytes, 0, pUrl, urlBytes.Length);
                Marshal.Copy(userBytes, 0, pUser, userBytes.Length);

                result = Init(pUrl, pUser);
                initilaized = true;
                return result;
            }
            catch (Exception ex)
            {
                errMsg = ex.Message;
                return result;

            }
            finally
            {
                Global.writeLog_debug("初始化", $"countinit:{countinit}", result.ToString() + ":" + errMsg);
                //// 显式释放非托管内存
                //if (pUrl != IntPtr.Zero) Marshal.FreeCoTaskMem(pUrl);
                //if (pUser != IntPtr.Zero) Marshal.FreeCoTaskMem(pUser);

                // 显式释放全局非托管内存
                if (pUrl != IntPtr.Zero) Marshal.FreeHGlobal(pUrl);
                if (pUser != IntPtr.Zero) Marshal.FreeHGlobal(pUser);

            }
        }

        /// <summary>
        /// 读社保卡
        /// </summary>
        /// <param name="basInfo"></param>
        /// <returns></returns>
        public int ReadCardBas(out string basInfo)
        {
            basInfo = "";
            int rtn = -1;
            // 分配非托管内存
            //IntPtr pOutBuff = Marshal.AllocCoTaskMem(1024);
            //IntPtr pSignBuff = Marshal.AllocCoTaskMem(8192);

            // 分配全局非托管内存
            IntPtr pOutBuff = Marshal.AllocHGlobal(1024);
            IntPtr pSignBuff = Marshal.AllocHGlobal(8192);
            try
            {
                rtn = ReadCardBas(pOutBuff, 1024, pSignBuff, 8192);
                if (rtn == 0)
                {
                    // 解析返回读卡信息
                    string outString = Marshal.PtrToStringAnsi(pOutBuff);
                    string signString = Marshal.PtrToStringAnsi(pSignBuff);
                    basInfo = outString;
                    Global.pat.card.BusinessCode = signString;
                }
                else
                {
                    string outString = Marshal.PtrToStringAnsi(pOutBuff);
                    basInfo = outString;
                }
                return rtn;
            }
            catch (Exception ex)
            {
                basInfo = "ReadCardBas异常:" + ex.Message;
                return rtn;
            }
            finally
            {
                Global.writeLog("读社保卡", "", basInfo);
                //// 显式释放非托管内存
                //Marshal.FreeCoTaskMem(pOutBuff);
                //Marshal.FreeCoTaskMem(pSignBuff);

                // 显式释放非托管内存
                Marshal.FreeHGlobal(pOutBuff);
                Marshal.FreeHGlobal(pSignBuff);
            }
        }

        public int ReadCardBas(out string basInfo, out string regInfo)
        {
            basInfo = "";regInfo = "";
            int rtn = -1;
            // 分配非托管内存
            //IntPtr pOutBuff = Marshal.AllocCoTaskMem(1024);
            //IntPtr pSignBuff = Marshal.AllocCoTaskMem(8192);

            // 分配全局非托管内存
            IntPtr pOutBuff = Marshal.AllocHGlobal(1024);
            IntPtr pSignBuff = Marshal.AllocHGlobal(8192);
            try
            {
                rtn = ReadCardBas(pOutBuff, 1024, pSignBuff, 8192);
                if (rtn == 0)
                {
                    // 解析返回读卡信息
                    string outString = Marshal.PtrToStringAnsi(pOutBuff);
                    string signString = Marshal.PtrToStringAnsi(pSignBuff);
                    basInfo = outString;
                    regInfo = signString;
                    Global.pat.card.BusinessCode = signString;
                }
                else
                {
                    string outString = Marshal.PtrToStringAnsi(pOutBuff);
                    string signString = Marshal.PtrToStringAnsi(pSignBuff);
                    basInfo = outString;
                    regInfo = signString;
                }
                return rtn;
            }
            catch (Exception ex)
            {
                basInfo = "ReadCardBas异常:" + ex.Message;
                return rtn;
            }
            finally
            {
                Global.writeLog("读社保卡", "", basInfo);
                //// 显式释放非托管内存
                //Marshal.FreeCoTaskMem(pOutBuff);
                //Marshal.FreeCoTaskMem(pSignBuff);

                // 显式释放非托管内存
                Marshal.FreeHGlobal(pOutBuff);
                Marshal.FreeHGlobal(pSignBuff);
            }
        }

        

        /// <summary>
        /// 读身份证
        /// </summary>
        /// <param name="OutBuff"></param>
        /// <returns></returns>
        public int ReadSFZ(out string OutBuff)
        {
            OutBuff = "";
            int rtn = -1;
            try
            {
                StringBuilder sbOutBuff = new StringBuilder(1024);
                StringBuilder sbBusiCardBuff = new StringBuilder(1024);

                rtn = ReadSFZ(sbOutBuff, 1024, sbBusiCardBuff, 1024);
                // 解析返回读卡信息
                OutBuff = sbOutBuff.ToString();
                Global.pat.card.BusinessCode = sbBusiCardBuff.ToString();

                return rtn;
            }
            catch (Exception ex)
            {
                OutBuff = "ReadSFZ 异常:" + ex.Message;
                return rtn;
            }
        }

        public int ReadECToken(string URL, string inputParam, out string sOutPar)
        {
            sOutPar = "";
            StringBuilder sbURL = new StringBuilder(URL);
            StringBuilder sbInput = new StringBuilder(inputParam);

            StringBuilder sbOut = new StringBuilder(40960);
            IntPtr pInt = CardReader.NationEcTrans(sbURL, sbInput, sbOut);
            string outputData = sbOut.ToString();
            //sOutPar = parseECTokenOutput(outputData);
            sOutPar = outputData;
            if (JsonHelper.getDestValue(JObject.Parse(outputData), "code") != "0")
            {
                return -1;
            }

            return 0;

        }

        /// <summary>
        /// 6101
        /// </summary>
        /// <param name="OutBuff"></param>
        /// <returns></returns>
        public int ECQuery(out string OutBuff)
        {
            OutBuff = "";
            try
            {
                EcQueryData ecqueryData = new EcQueryData();
                ecqueryData.orgId = Global.inf.hospitalNO;
                ecqueryData.operatorId = Global.user.ID;
                ecqueryData.operatorName = Global.user.name;
                ecqueryData.officeId = Global.user.officeID;
                ecqueryData.officeName = Global.user.officeName;
                ecqueryData.businessType = Global.businessType;
                //eCToken.outBizNo = bizNo;
                //eCToken.extData = "";
                NationECInput nationECInput = new NationECInput();
                nationECInput.data = ecqueryData;
                nationECInput.orgId = Global.inf.hospitalNO;
                nationECInput.transType = "ec.query";
                nationECInput.extra = "";
                //测试环境电子凭证动态库地址：http://igb.hsa.gdgov.cn/tst_nation_eccode/tst_eccode/localcfc/api/hsecfc/localQrCodeQuery
                //正式环境电子凭证动态库地址：http://hosp.gd.hsip.gov.cn/prd_nation_eccode/prd_eccode/localcfc/api/hsecfc/localQrCodeQuery

                NationECCodeAPI nationECCodeAPI = new NationECCodeAPI(Global.inf.ecURL);
                return nationECCodeAPI.NationEcTrans(nationECInput, out OutBuff);
            }
            catch (Exception ex)
            {
                OutBuff = "ECQuery 异常:" + ex.Message;
                return -1;
            }
        }

        public static string parseECTokenOutput(string data)
        {
            JObject joRtn = JObject.Parse(data);
            Global.pat.ecToken = JsonHelper.getDestValue(joRtn, "data.ecToken");
            Global.pat.certNO = JsonHelper.getDestValue(joRtn, "data.idNo"); //身份证
            Global.pat.name = JsonHelper.getDestValue(joRtn, "data.userName");
            Global.pat.certType = JsonHelper.getDestValue(joRtn, "data.idType");
            Global.pat.insuplc_admdvs = JsonHelper.getDestValue(joRtn, "data.insuOrg");
            // 令牌
            Global.pat.mdtrtcertNO = Global.pat.ecToken;
            return data;
        }

        /// <summary>
        /// 解析读卡结果
        /// </summary>
        /// <param name="outBuff"></param>
        /// <returns></returns>
        //private string parseCardInfo(string inBuff, int startIndex = 1)
        //{
        //    // 360100 | 362502198603060820 | B04D4C6B2 | 360100D156000005B04D4C6BF99AC1BD | 李凌 | 0081544C9386841907267A0FD6 | 2.00 | 20200612 | 20300612 | 369900906440 ||
        //    string[] data = inBuff.Split("|".ToCharArray());
        //    CardInfo card = new CardInfo();
        //    card.certno = data[startIndex + 1];
        //    card.cardno = data[startIndex + 2];
        //    card.card_sn = data[startIndex + 3];
        //    card.psn_name = data[startIndex + 4];

        //    Global.pat.insuplc_admdvs = data[startIndex]; //行政区划

        //    Global.pat.card.SN = card.card_sn;
        //    Global.pat.certType = "01";
        //    Global.pat.certNO = card.certno;
        //    Global.pat.name = card.psn_name;
        //    Global.pat.card.NO = card.cardno;

        //    Global.pat.mdtrtcertNO = card.certno;

        //    string outParam = JsonHelper.toJsonString(card);
        //    Global.writeLog("读卡返回:", inBuff, outParam);
        //    return outParam;
        //}


    }

    class CardReaderBySSCardDriver
    {
        [DllImport("SSCardDriver.dll", EntryPoint = "iReadCardUnclassifiedBas", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int ReadCardUnclassifiedBas(int iType, IntPtr pOutInfo);

        [DllImport("SSCardDriver.dll", EntryPoint = "iReadSFZ", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int ReadSFZ(StringBuilder pOutInfo);

        [DllImport("SSCardDriver.dll", EntryPoint = "iGetQRBase", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int GetQRBase(int TimeOut, IntPtr pOutInfo);


        public int ReadCardUnclassifiedBas(int iType, out string basInfo)
        {
            basInfo = "";
            int rtn = -1;
            // 分配非托管内存
            //IntPtr pOutBuff = Marshal.AllocCoTaskMem(1024);
            //IntPtr pSignBuff = Marshal.AllocCoTaskMem(8192);

            // 分配全局非托管内存
            IntPtr pOutBuff = Marshal.AllocHGlobal(1024);

            try
            {
                rtn = ReadCardUnclassifiedBas(iType, pOutBuff);
                if (rtn == 0)
                {
                    // 解析返回读卡信息
                    basInfo = Marshal.PtrToStringAnsi(pOutBuff);
                }
                else
                {
                    basInfo = Marshal.PtrToStringAnsi(pOutBuff);
                }
                return rtn;
            }
            catch (Exception ex)
            {
                basInfo = "ReadCardUnclassifiedBas异常:" + ex.Message;
                return rtn;
            }
            finally
            {
                Global.writeLog("读社保卡", "", basInfo);
                //// 显式释放非托管内存
                //Marshal.FreeCoTaskMem(pOutBuff);
                //Marshal.FreeCoTaskMem(pSignBuff);

                // 显式释放非托管内存
                Marshal.FreeHGlobal(pOutBuff);
            }
        }

        /// <summary>
        /// 读身份证
        /// </summary>
        /// <param name="OutBuff"></param>
        /// <returns></returns>
        public int ReadSFZ(out string OutBuff)
        {
            OutBuff = "";
            int rtn = -1;
            try
            {
                StringBuilder sbOutBuff = new StringBuilder(1024);

                rtn = ReadSFZ(sbOutBuff);
                // 解析返回读卡信息
                OutBuff = sbOutBuff.ToString();
                return rtn;
            }
            catch (Exception ex)
            {
                OutBuff = "ReadSFZ 异常:" + ex.Message;
                return rtn;
            }
        }

        public int GetQRBase(int TimeOut, out string basInfo)
        {
            basInfo = "";
            int rtn = -1;
            // 分配全局非托管内存
            IntPtr pOutBuff = Marshal.AllocHGlobal(1024);

            try
            {
                rtn = GetQRBase(TimeOut, pOutBuff);
                if (rtn == 0)
                {
                    // 解析返回读卡信息
                    basInfo = Marshal.PtrToStringAnsi(pOutBuff);
                }
                else
                {
                    basInfo = Marshal.PtrToStringAnsi(pOutBuff);
                }
                return rtn;
            }
            catch (Exception ex)
            {
                basInfo = "GetQRBase:" + ex.Message;
                return rtn;
            }
            finally
            {
                Global.writeLog("读社保卡", "", basInfo);
                //// 显式释放非托管内存
                //Marshal.FreeCoTaskMem(pOutBuff);
                //Marshal.FreeCoTaskMem(pSignBuff);

                // 显式释放非托管内存
                Marshal.FreeHGlobal(pOutBuff);
            }
        }

    }

    /// <summary>
    /// 华大内嵌读卡器
    /// </summary>
    class CardReaderByHdEmb
    {
        [DllImport("SSSE32.dll", EntryPoint = "ICC_Reader_Open", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int ICC_Reader_Open(IntPtr pDevName);

        [DllImport("SSSE32.dll", EntryPoint = "iReadCardBas", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]
        static extern int ReadCardBas(int iType, IntPtr pOutInfo);

        public int ICC_Reader_Open(string devName, out string error)
        {
            error = "";
            int rtn = -1;

            // 分配全局非托管内存
            IntPtr pOutBuff = Marshal.StringToHGlobalAnsi(devName);

            try
            {
                rtn = ICC_Reader_Open(pOutBuff);
                if (rtn == 0)
                {
                    error = "端口打开成功";
                }
                else
                {
                    error = Marshal.PtrToStringAnsi(pOutBuff) + "端口打开失败";
                }
                return rtn;
            }
            catch (Exception ex)
            {
                error = "打开端口异常:" + ex.Message;
                return rtn;
            }
            finally
            {
                Global.writeLog("打开端口", devName, error);
                // 显式释放非托管内存
                Marshal.FreeHGlobal(pOutBuff);
            }
        }

        public int ReadCardBas(int iType, out string basInfo)
        {
            basInfo = "";
            int rtn = -1;
            // 分配非托管内存
            //IntPtr pOutBuff = Marshal.AllocCoTaskMem(1024);
            //IntPtr pSignBuff = Marshal.AllocCoTaskMem(8192);

            // 分配全局非托管内存
            IntPtr pOutBuff = Marshal.AllocHGlobal(1024);

            try
            {
                rtn = ReadCardBas(iType, pOutBuff);
                if (rtn == 0)
                {
                    // 解析返回读卡信息
                    basInfo = Marshal.PtrToStringAnsi(pOutBuff);
                }
                else
                {
                    basInfo = Marshal.PtrToStringAnsi(pOutBuff);
                }
                return rtn;
            }
            catch (Exception ex)
            {
                basInfo = "ReadCardBas:" + ex.Message;
                return rtn;
            }
            finally
            {
                Global.writeLog("读社保卡", "", basInfo);
                // 显式释放非托管内存
                Marshal.FreeHGlobal(pOutBuff);
            }
        }
    }

}