公安部已经大规模在全国范围内推广第二代居民身份证的换发工作，目前，许多地区二代证换发工作已经进行了很久。但是，相对应于二代证的推广，社会上许许多多的应用系统都还没有对二代证读卡开发相应的接口，为此，我写了一个通用的二代证机具读卡类，希望能对各位在各自的系统中开发这样的接口提供帮助。
本类仅仅提供读卡的用法，写卡的方式我并没有写在里面，但是，相应的写调用我已经声明在里面，希望各位大侠能独自研究应用。
该类接口具有如下特点：
1、通用于目前市场上各个机具厂商的二代证读（写）机具。（想想，为不同厂商开发不同的接口确实令人头疼的，且由于接口不兼容，容易被客户骂死！）
2、自动适应串口、USB口的各种机具
3、能读文字信息，但是，要想正确读照片，必须需要机具厂商的授权文件Termb.Lic，且授权文件必须放在C盘根目录下。（我总不能不照顾机具厂商的利益吧）
4、除了上面第三条之外，您甚至不用安装机具的驱动程序，接上二代证机具即可使用。
废话少说，下面看实现方法：
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Reflection ;
using System.IO; namespace ICCard
{
public class clsICCard
{
//首先，声明通用接口
[DllImport("sdtapi.dll")]
public static extern int SDT_OpenPort(int iPortID);
[DllImport("sdtapi.dll")]
public static extern int SDT_ClosePort(int iPortID);
[DllImport("sdtapi.dll")]
public static extern int SDT_PowerManagerBegin(int iPortID, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_AddSAMUser(int iPortID, string pcUserName, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_SAMLogin(int iPortID, string pcUserName, string pcPasswd, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_SAMLogout(int iPortID, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_UserManagerOK(int iPortID, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_ChangeOwnPwd(int iPortID, string pcOldPasswd, string pcNewPasswd, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_ChangeOtherPwd(int iPortID, string pcUserName, string pcNewPasswd, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_DeleteSAMUser(int iPortID, string pcUserName, int iIfOpen); [DllImport("sdtapi.dll")]
public static extern int SDT_StartFindIDCard(int iPortID, ref int pucIIN, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_SelectIDCard(int iPortID, ref int pucSN, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_ReadBaseMsg(int iPortID, string pucCHMsg, ref int puiCHMsgLen, string pucPHMsg, ref int puiPHMsgLen, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_ReadBaseMsgToFile(int iPortID, string fileName1, ref int puiCHMsgLen, string fileName2, ref int puiPHMsgLen, int iIfOpen); [DllImport("sdtapi.dll")]
public static extern int SDT_WriteAppMsg(int iPortID, ref byte pucSendData, int uiSendLen, ref byte pucRecvData, ref int puiRecvLen, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_WriteAppMsgOK(int iPortID, ref byte pucData, int uiLen, int iIfOpen); [DllImport("sdtapi.dll")]
public static extern int SDT_CancelWriteAppMsg(int iPortID, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_ReadNewAppMsg(int iPortID, ref byte pucAppMsg, ref int puiAppMsgLen, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_ReadAllAppMsg(int iPortID, ref byte pucAppMsg, ref int puiAppMsgLen, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_UsableAppMsg(int iPortID, ref byte ucByte, int iIfOpen); [DllImport("sdtapi.dll")]
public static extern int SDT_GetUnlockMsg(int iPortID, ref byte strMsg, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_GetSAMID(int iPortID, ref byte StrSAMID, int iIfOpen); [DllImport("sdtapi.dll")]
public static extern int SDT_SetMaxRFByte(int iPortID, byte ucByte, int iIfOpen);
[DllImport("sdtapi.dll")]
public static extern int SDT_ResetSAM(int iPortID, int iIfOpen); [DllImport("WltRS.dll")]
public static extern int GetBmp(string file_name, int intf); public delegate void De_ReadICCardComplete(clsEDZ objEDZ);
public event De_ReadICCardComplete ReadICCardComplete;
private clsEDZ objEDZ = new clsEDZ();
private int EdziIfOpen = 1; //自动开关串口
int EdziPortID;
public clsICCard()
{ }
public bool ReadICCard()
{
bool bUsbPort = false;
int intOpenPortRtn = 0;
int rtnTemp = 0;
int pucIIN = 0;
int pucSN = 0;
int puiCHMsgLen = 0;
int puiPHMsgLen = 0; objEDZ = new clsEDZ();
//检测usb口的机具连接，必须先检测usb
for (int iPort = 1001; iPort <= 1016; iPort++)
{
intOpenPortRtn = SDT_OpenPort(iPort);
if (intOpenPortRtn == 144)
{
EdziPortID = iPort;
bUsbPort = true;
break;
}
}
//检测串口的机具连接
if (!bUsbPort)
{
for (int iPort = 1; iPort <= 2; iPort++)
{
intOpenPortRtn = SDT_OpenPort(iPort);
if (intOpenPortRtn == 144)
{
EdziPortID = iPort;
bUsbPort = false;
break;
}
}
}
if (intOpenPortRtn != 144)
{
MessageBox.Show("端口打开失败，请检测相应的端口或者重新连接读卡器！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
//在这里，如果您想下一次不用再耗费检查端口的检查的过程，您可以把 EdziPortID 保存下来，可以保存在注册表中，也可以保存在配置文件中，我就不多写了，但是，
//您要考虑机具连接端口被用户改变的情况哦 //下面找卡
rtnTemp = SDT_StartFindIDCard(EdziPortID, ref pucIIN, EdziIfOpen);
if (rtnTemp != 159)
{
rtnTemp = SDT_StartFindIDCard(EdziPortID, ref pucIIN, EdziIfOpen); //再找卡
if (rtnTemp != 159)
{
rtnTemp = SDT_ClosePort(EdziPortID);
MessageBox.Show("未放卡或者卡未放好，请重新放卡！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
}
//选卡
rtnTemp = SDT_SelectIDCard(EdziPortID, ref pucSN, EdziIfOpen);
if (rtnTemp != 144)
{
rtnTemp = SDT_SelectIDCard(EdziPortID, ref pucSN, EdziIfOpen); //再选卡
if (rtnTemp != 144)
{
rtnTemp = SDT_ClosePort(EdziPortID);
MessageBox.Show("读卡失败！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
}
//注意，在这里，用户必须有应用程序当前目录的读写权限
FileInfo objFile = new FileInfo("wz.txt");
if (objFile.Exists)
{
objFile.Attributes = FileAttributes.Normal;
objFile.Delete();
}
objFile = new FileInfo("zp.bmp");
if (objFile.Exists)
{
objFile.Attributes = FileAttributes.Normal;
objFile.Delete();
}
objFile = new FileInfo("zp.wlt");
if (objFile.Exists)
{
objFile.Attributes = FileAttributes.Normal;
objFile.Delete();
}
rtnTemp = SDT_ReadBaseMsgToFile(EdziPortID, "wz.txt", ref puiCHMsgLen, "zp.wlt", ref puiPHMsgLen, EdziIfOpen);
if (rtnTemp != 144)
{
rtnTemp = SDT_ClosePort(EdziPortID);
MessageBox.Show("读卡失败！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
//下面解析照片，注意，如果在C盘根目录下没有机具厂商的授权文件Termb.Lic，照片解析将会失败
if (bUsbPort)
rtnTemp = GetBmp("zp.wlt", 2);
else
rtnTemp = GetBmp("zp.wlt", 1);
switch (rtnTemp)
{
case 0:
MessageBox.Show("调用sdtapi.dll错误！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case 1: //正常
break;
case -1:
MessageBox.Show("相片解码错误！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case -2:
MessageBox.Show("wlt文件后缀错误！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case -3:
MessageBox.Show("wlt文件打开错误！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case -4:
MessageBox.Show("wlt文件格式错误！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case -5:
MessageBox.Show("软件未授权！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case -6:
MessageBox.Show("设备连接错误！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
}
rtnTemp = SDT_ClosePort(EdziPortID);
FileInfo f = new FileInfo("wz.txt");
FileStream fs = f.OpenRead();
byte[] bt = new byte[fs.Length];
fs.Read(bt, 0, (int)fs.Length);
fs.Close(); string str = System.Text.UnicodeEncoding.Unicode.GetString(bt);
= System.Text.UnicodeEncoding.Unicode.GetString(bt, 0, 30).Trim();
objEDZ.Sex_Code = System.Text.UnicodeEncoding.Unicode.GetString(bt, 30, 2).Trim();
objEDZ.NATION_Code = System.Text.UnicodeEncoding.Unicode.GetString(bt, 32, 4).Trim();
string strBird = System.Text.UnicodeEncoding.Unicode.GetString(bt, 36, 16).Trim();
objEDZ.BIRTH = Convert.ToDateTime(strBird.Substring(0, 4) + "年" + strBird.Substring(4, 2) + "月" + strBird.Substring(6) + "日");
objEDZ.ADDRESS = System.Text.UnicodeEncoding.Unicode.GetString(bt, 52, 70).Trim();
objEDZ.IDC = System.Text.UnicodeEncoding.Unicode.GetString(bt, 122, 36).Trim();
objEDZ.REGORG = System.Text.UnicodeEncoding.Unicode.GetString(bt, 158, 30).Trim();
string strTem = System.Text.UnicodeEncoding.Unicode.GetString(bt, 188, bt.GetLength(0) - 188).Trim();
objEDZ.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")
{
objEDZ.ENDDATE = Convert.ToDateTime(strTem.Substring(0, 4) + "年" + strTem.Substring(4, 2) + "月" + strTem.Substring(6, 2) + "日");
}
else
{
objEDZ.ENDDATE = DateTime.MaxValue;
}
objFile = new FileInfo("zp.bmp");
if (objFile.Exists)
{
Image img = Image.FromFile("zp.bmp");
objEDZ.PIC_Image=(Image)img.Clone();
System.IO.MemoryStream m = new MemoryStream();
img.Save(m, System.Drawing.Imaging.ImageFormat.Jpeg);
objEDZ.PIC_Byte = m.ToArray();
img.Dispose();
img = null;
}
ReadICCardComplete(objEDZ);
return true;
} }
public class clsEDZ
{
private System.Collections.SortedList lstMZ = new SortedList();
private string _Name; //姓名
private string _Sex_Code; //性别代码
private string _Sex_CName; //性别
private string _IDC; //身份证号码
private string _NATION_Code; //民族代码
private string _NATION_CName; //民族
private DateTime _BIRTH; //出生日期
private string _ADDRESS; //住址
private string _REGORG; //签发机关
private DateTime _STARTDATE; //身份证有效起始日期
private DateTime _ENDDATE; //身份证有效截至日期
private string _Period_Of_Validity_Code; //有效期限代码，许多原来系统上面为了一代证考虑，常常存在这样的字段，二代证中已经没有了
private string _Period_Of_Validity_CName; //有效期限
private byte[] _PIC_Byte; //照片二进制
private Image _PIC_Image; //照片 public clsEDZ()
{
lstMZ.Add("01", "汉族");
lstMZ.Add("02", "蒙古族");
lstMZ.Add("03", "回族");
lstMZ.Add("04", "藏族");
lstMZ.Add("05", "维吾尔族");
lstMZ.Add("06", "苗族");
lstMZ.Add("07", "彝族");
lstMZ.Add("08", "壮族");
lstMZ.Add("09", "布依族");
lstMZ.Add("10", "朝鲜族");
lstMZ.Add("11", "满族");
lstMZ.Add("12", "侗族");
lstMZ.Add("13", "瑶族");
lstMZ.Add("14", "白族");
lstMZ.Add("15", "土家族");
lstMZ.Add("16", "哈尼族");
lstMZ.Add("17", "哈萨克族");
lstMZ.Add("18", "傣族");
lstMZ.Add("19", "黎族");
lstMZ.Add("20", "傈僳族");
lstMZ.Add("21", "佤族");
lstMZ.Add("22", "畲族");
lstMZ.Add("23", "高山族");
lstMZ.Add("24", "拉祜族");
lstMZ.Add("25", "水族");
lstMZ.Add("26", "东乡族");
lstMZ.Add("27", "纳西族");
lstMZ.Add("28", "景颇族");
lstMZ.Add("29", "柯尔克孜族");
lstMZ.Add("30", "土族");
lstMZ.Add("31", "达翰尔族");
lstMZ.Add("32", "仫佬族");
lstMZ.Add("33", "羌族");
lstMZ.Add("34", "布朗族");
lstMZ.Add("35", "撒拉族");
lstMZ.Add("36", "毛南族");
lstMZ.Add("37", "仡佬族");
lstMZ.Add("38", "锡伯族");
lstMZ.Add("39", "阿昌族");
lstMZ.Add("40", "普米族");
lstMZ.Add("41", "塔吉克族");
lstMZ.Add("42", "怒族");
lstMZ.Add("43", "乌孜别克族");
lstMZ.Add("44", "俄罗斯族");
lstMZ.Add("45", "鄂温克族");
lstMZ.Add("46", "德昂族");
lstMZ.Add("47", "保安族");
lstMZ.Add("48", "裕固族");
lstMZ.Add("49", "京族");
lstMZ.Add("50", "塔塔尔族");
lstMZ.Add("51", "独龙族");
lstMZ.Add("52", "鄂伦春族");
lstMZ.Add("53", "赫哲族");
lstMZ.Add("54", "门巴族");
lstMZ.Add("55", "珞巴族");
lstMZ.Add("56", "基诺族");
lstMZ.Add("57", "其它");
lstMZ.Add("98", "外国人入籍");
} public string Name
{
get { return _Name; }
set { _Name = value; }
}
public string Sex_Code
{
get { return _Sex_Code; }
set
{
_Sex_Code = value;
switch (value)
{
case "1":
Sex_CName = "男";
break;
case "2":
Sex_CName = "女";
break;
}
}
}
public string Sex_CName
{
get { return _Sex_CName; }
set { _Sex_CName = value; }
}
public string IDC
{
get { return _IDC; }
set { _IDC = value; }
}
public string NATION_Code
{
get { return _NATION_Code; }
set
{
_NATION_Code = value;
if (lstMZ.Contains(value))
NATION_CName = lstMZ[value].ToString();
}
}
public string NATION_CName
{
get { return _NATION_CName; }
set { _NATION_CName = value; }
}
public DateTime BIRTH
{
get { return _BIRTH; }
set { _BIRTH = value; }
}
public string ADDRESS
{
get { return _ADDRESS; }
set { _ADDRESS = value; }
}
public string REGORG
{
get { return _REGORG; }
set { _REGORG = value; }
}
public DateTime STARTDATE
{
get { return _STARTDATE; }
set { _STARTDATE = value; }
}
public DateTime ENDDATE
{
get { return _ENDDATE; }
set
{
_ENDDATE = value;
if (_ENDDATE == DateTime.MaxValue)
{
_Period_Of_Validity_Code = "3";
_Period_Of_Validity_CName = "长期";
}
else
{
if (_STARTDATE != DateTime.MinValue)
{
switch (value.AddDays(1).Year - _STARTDATE.Year)
{
case 5:
_Period_Of_Validity_Code = "4";
_Period_Of_Validity_CName = "5年";
break;
case 10:
_Period_Of_Validity_Code = "1";
_Period_Of_Validity_CName = "10年";
break;
case 20:
_Period_Of_Validity_Code = "2";
_Period_Of_Validity_CName = "20年";
break;
}
}
} }
}
public string Period_Of_Validity_Code
{
get { return _Period_Of_Validity_Code; }
set { _Period_Of_Validity_Code = value; }
}
public string Period_Of_Validity_CName
{
get { return _Period_Of_Validity_CName; }
set { _Period_Of_Validity_CName = value; }
}
public byte[] PIC_Byte
{
get { return _PIC_Byte; }
set { _PIC_Byte = value; }
}
public Image PIC_Image
{
get { return _PIC_Image; }
set { _PIC_Image = value; }
} }
}
类中使用到了两个dll文件(sdtapi.dll和WltRS.dll)，
