C# 读取身份证信息Demo（WltRS）

【实例简介】读取身份证信息

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;

namespace ReadCard
{

    public class ReaderCard
    {
        #region API声明
        [DllImport("sdtapi.dll", CallingConvention = CallingConvention.StdCall)]
        static extern int SDT_StartFindIDCard(int iPort, byte[] pucManaInfo, int iIfOpen);
        [DllImport("sdtapi.dll", CallingConvention = CallingConvention.StdCall)]
        static extern int SDT_SelectIDCard(int iPort, byte[] pucManaMsg, int iIfOpen);
        [DllImport("sdtapi.dll", CallingConvention = CallingConvention.StdCall)]
        static extern int SDT_ReadBaseMsg(int iPort, byte[] pucCHMsg, ref UInt32 puiCHMsgLen, byte[] pucPHMsg, ref UInt32 puiPHMsgLen, int iIfOpen);
        [DllImport("WltRS.dll", CallingConvention = CallingConvention.StdCall)]
        static extern int GetBmp(string s);
        #endregion
        static byte[] CardPUCIIN = new byte[255];
        static byte[] pucManaMsg = new byte[255];
        static byte[] pucCHMsg = new byte[255];
        static byte[] pucPHMsg = new byte[3024];
        /// <summary>
        /// 读卡
        /// </summary>
        /// <param name="errorMessage"></param>
        /// <returns></returns>
        public static ReadNewModel ReaderNowCard(out string errorMessage)
        {
            try
            {
                errorMessage = string.Empty;
                Array.Clear(CardPUCIIN, 0, CardPUCIIN.Length);
                Array.Clear(pucManaMsg, 0, pucManaMsg.Length);
                Array.Clear(pucCHMsg, 0, pucCHMsg.Length);
                Array.Clear(pucPHMsg, 0, pucPHMsg.Length);
                //变量声明
                //byte[] CardPUCIIN = new byte[255];
                //byte[] pucManaMsg = new byte[255];
                //byte[] pucCHMsg = new byte[255];
                //byte[] pucPHMsg = new byte[3024];
                UInt32 puiCHMsgLen = 0;
                UInt32 puiPHMsgLen = 0;
                int st = 0;
                //读卡操作
                st = SDT_StartFindIDCard(1001, CardPUCIIN, 1);
                if (st != 0x9f) return null;
                st = SDT_SelectIDCard(1001, pucManaMsg, 1);
                if (st != 0x90) return null;
                st = SDT_ReadBaseMsg(1001, pucCHMsg, ref puiCHMsgLen, pucPHMsg, ref puiPHMsgLen, 1);
                if (st != 0x90) return null;
                //显示结果
                ReadNewModel resultModel = new ReadNewModel();
              
                resultModel.Name = System.Text.UnicodeEncoding.Unicode.GetString(pucCHMsg, 0, 30).Trim();
                resultModel.Sex_Code = System.Text.UnicodeEncoding.Unicode.GetString(pucCHMsg, 30, 2).Trim();
                resultModel.NATION_Code = System.Text.UnicodeEncoding.Unicode.GetString(pucCHMsg, 32, 4).Trim();
                string strBird = System.Text.UnicodeEncoding.Unicode.GetString(pucCHMsg, 36, 16).Trim();
                resultModel.BIRTH =(strBird.Substring(0, 4)   "-"   strBird.Substring(4, 2)   "-"   strBird.Substring(6));
                resultModel.ADDRESS = System.Text.UnicodeEncoding.Unicode.GetString(pucCHMsg, 52, 70).Trim();
                resultModel.IDC = System.Text.UnicodeEncoding.Unicode.GetString(pucCHMsg, 122, 36).Trim();
                resultModel.REGORG = System.Text.UnicodeEncoding.Unicode.GetString(pucCHMsg, 158, 30).Trim();
                string strTem = System.Text.UnicodeEncoding.Unicode.GetString(pucCHMsg, 188, pucCHMsg.GetLength(0) - 188).Trim();
                resultModel.STARTDATE = Convert.ToDateTime(strTem.Substring(0, 4)   "年"   strTem.Substring(4, 2)   "月"   strTem.Substring(6, 2)   "日");
                strTem = strTem.Substring(8);
                if (strTem.Trim() != "长期")
                {
                    resultModel.ENDDATE = Convert.ToDateTime(strTem.Substring(0, 4)   "年"   strTem.Substring(4, 2)   "月"   strTem.Substring(6, 2)   "日");
                }
                else
                {
                    resultModel.ENDDATE = DateTime.MaxValue;
                }
                string newCard = resultModel.IDC;
                string temppath = Common.CardPath   "\\"   newCard   ".wlt";
                System.IO.FileStream f = new System.IO.FileStream(temppath, System.IO.FileMode.OpenOrCreate);
                f.Write(pucPHMsg, 0, (int)puiPHMsgLen);
                f.Flush();
                f.Close();
                f.Dispose();
                try { st = GetBmp(temppath); }
                catch (Exception)
                {

                }
                string newpath = Common.CardPath   "\\"   newCard   ".bmp";

                if (File.Exists(newpath))
                {
                  
                    resultModel.PIC_Byte = Common.ImageToByteArray(newpath);
                    resultModel.PIC_Image = Common.GetImageByByte(resultModel.PIC_Byte);
                   
                    File.Delete(newpath);
                    return resultModel;
                }
                else
                {
                    errorMessage = "生成图片失败！";
                    return null;
                }
            }
            catch (Exception ex) { errorMessage = ex.Message; return null; }

        }
    }



}