实例介绍
【实例简介】含视频讲解，但是得自建数据库
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 | using System;using System.Collections.Generic;using System.Drawing;using System.Linq;using System.Runtime.InteropServices;using System.Text;namespace Kuade.Framework{ /// <summary> /// 读卡器操作类 /// </summary> public class CardReader { #region 刷卡器 [DllImport("kernel32.dll")] static extern void Sleep(int dwMilliseconds); //=========================== System Function ============================= [DllImport("hfrdapi.dll")] static extern int Sys_GetDeviceNum(UInt16 vid, UInt16 pid, ref UInt32 pNum); [DllImport("hfrdapi.dll")] static extern int Sys_GetHidSerialNumberStr(UInt32 deviceIndex, UInt16 vid, UInt16 pid, ref Char deviceString, UInt32 deviceStringLength); /// <summary> /// 打开读卡器 /// </summary> /// <param name="device"></param> /// <param name="index"></param> /// <param name="vid"></param> /// <param name="pid"></param> /// <returns></returns> [DllImport("hfrdapi.dll")] static extern int Sys_Open(ref IntPtr device, UInt32 index, UInt16 vid, UInt16 pid); /// <summary> /// 判断读卡器是否已经打开 /// </summary> /// <param name="device"></param> /// <returns></returns> [DllImport("hfrdapi.dll")] static extern bool Sys_IsOpen(IntPtr device); /// <summary> /// 关闭读卡器 /// </summary> /// <param name="device"></param> /// <returns></returns> [DllImport("hfrdapi.dll")] static extern int Sys_Close(ref IntPtr device); /// <summary> /// 指示灯管理 /// </summary> /// <param name="device">要操作的设备，由Sys_Open()获得</param> /// <param name="color">0：熄灭；1：红色；2：绿色；3：黄色</param> /// <returns>0：操作成功</returns> [DllImport("hfrdapi.dll")] static extern int Sys_SetLight(IntPtr device, byte color); /// <summary> /// 设置蜂鸣器 /// </summary> /// <param name="device">要操作的设备，由Sys_Open()获得</param> /// <param name="msec">蜂鸣时限，单位是10毫秒</param> /// <returns></returns> [DllImport("hfrdapi.dll")] static extern int Sys_SetBuzzer(IntPtr device, byte msec); /// <summary> /// 设置天线状态 /// </summary> /// <param name="device"></param> /// <param name="mode"></param> /// <returns></returns> [DllImport("hfrdapi.dll")] static extern int Sys_SetAntenna(IntPtr device, byte mode); /// <summary> /// 功能：设置读写器非接触工作方式 /// </summary> /// <param name="device">要操作的设备，由Sys_Open()获得</param> /// <param name="type">'A':ISO14443A；'B':ISO14443B；'r':AT88RF020；'s':ST卡；'1':ISO15693 /// </param> /// <returns>0 -> 操作成功</returns> [DllImport("hfrdapi.dll")] static extern int Sys_InitType(IntPtr device, byte type); //=========================== M1 Card Function ============================= [DllImport("hfrdapi.dll")] static extern int TyA_Request(IntPtr device, byte mode, ref UInt16 pTagType); [DllImport("hfrdapi.dll")] static extern int TyA_Anticollision(IntPtr device, byte bcnt, byte[] pSnr, ref byte pLen); [DllImport("hfrdapi.dll")] static extern int TyA_Select(IntPtr device, byte[] pSnr, byte snrLen, ref byte pSize); [DllImport("hfrdapi.dll")] static extern int TyA_Halt(IntPtr device); [DllImport("hfrdapi.dll")] static extern int TyA_CS_Authentication2(IntPtr device, byte mode, byte block, byte[] pKey); [DllImport("hfrdapi.dll")] static extern int TyA_CS_Read(IntPtr device, byte block, byte[] pData, ref byte pLen); [DllImport("hfrdapi.dll")] static extern int TyA_CS_Write(IntPtr device, byte block, byte[] pData); [DllImport("hfrdapi.dll")] static extern int TyA_CS_InitValue(IntPtr device, byte block, Int32 value); [DllImport("hfrdapi.dll")] static extern int TyA_CS_ReadValue(IntPtr device, byte block, ref Int32 pValue); [DllImport("hfrdapi.dll")] static extern int TyA_CS_Decrement(IntPtr device, byte block, Int32 value); [DllImport("hfrdapi.dll")] static extern int TyA_CS_Increment(IntPtr device, byte block, Int32 value); [DllImport("hfrdapi.dll")] static extern int TyA_CS_Restore(IntPtr device, byte block); [DllImport("hfrdapi.dll")] static extern int TyA_CS_Transfer(IntPtr device, byte block); //========================================================================== IntPtr g_hDevice = (IntPtr)(-1); //g_hDevice must init as -1 static char[] hexDigits = { '0','1','2','3','4','5','6','7', '8','9','A','B','C','D','E','F'}; /// <summary> /// /// </summary> /// <param name="ch"></param> /// <returns></returns> public static byte GetHexBitsValue(byte ch) { byte sz = 0; if (ch <= '9' && ch >= '0') sz = (byte)(ch - 0x30); if (ch <= 'F' && ch >= 'A') sz = (byte)(ch - 0x37); if (ch <= 'f' && ch >= 'a') sz = (byte)(ch - 0x57); return sz; } #region byteHEX /// <summary> /// 单个字节转字字符. /// </summary> /// <param name="ib">字节.</param> /// <returns>转换好的字符.</returns> public static string byteHEX(Byte ib) { string _str = string.Empty; try { char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; char[] ob = new char[2]; ob[0] = Digit[(ib >> 4) & 0X0F]; ob[1] = Digit[ib & 0X0F]; _str = new String(ob); } catch (Exception ex) { new Exception("对不起有错。"); } return _str; } #endregion /// <summary> /// /// </summary> /// <param name="bytes"></param> /// <returns></returns> public static string ToHexString(byte[] bytes) { string hexString = string.Empty; for (var i = 0; i < bytes.Length; i ) hexString = byteHEX(bytes[i]); return hexString; } /// <summary> /// /// </summary> /// <param name="theHex"></param> /// <returns></returns> public static byte[] ToDigitsBytes(string theHex) { byte[] bytes = new byte[theHex.Length / 2 (((theHex.Length % 2) > 0) ? 1 : 0)]; for (var i = 0; i < bytes.Length; i ) { char lowbits = theHex[i * 2]; char highbits; if ((i * 2 1) < theHex.Length) { highbits = theHex[i * 2 1]; } else { highbits = '0'; } int a = (int)GetHexBitsValue((byte)lowbits); int b = (int)GetHexBitsValue((byte)highbits); bytes[i] = (byte)((a << 4) b); } return bytes; } #endregion /// <summary> /// 打开读卡器 /// </summary> /// <returns></returns> public bool Open() { try { string strError = ""; int status = 0; //如果读卡器已经打开，则先关闭读卡器 if (Sys_IsOpen(g_hDevice) == true) { status = Sys_Close(ref g_hDevice); if (status != 0) { strError = "Sys_Close failed !"; return false; } } //连接读卡器 status = Sys_Open(ref g_hDevice, 0, 0x0416, 0x8020); if (status != 0) { strError = "Sys_Open failed !"; return false; } //设置读卡器读卡类型 status = Sys_InitType(g_hDevice, (byte)'A'); if (status != 0) { strError = "Sys_InitType failed !"; return false; } Sleep(5); //Appropriate delay after Sys_InitType operating //设置读写器天线状态 status = Sys_SetAntenna(g_hDevice, 1); if (status != 0) { strError = "Sys_SetAntenna failed !"; return false; } Sleep(5); //Appropriate delay after Sys_SetAntenna operating return true; } catch (Exception ex) { return false; } } /// <summary> /// 关闭读卡器 /// </summary> public void Close() { Sys_Close(ref g_hDevice); } /// <summary> /// 蜂鸣 /// </summary> public void Beep() { //蜂鸣，单位为10ms Sys_SetBuzzer(g_hDevice, 20); } /// <summary> /// 设置指示灯颜色 /// </summary> public void SetLight(Color color) { byte lightColor = 1; if (color == Color.Red) { lightColor = 1; } else if (color == Color.Green) { lightColor = 2; } else if (color == Color.Yellow) { lightColor = 3; } else if (color == Color.Black) { lightColor = 0; } //0：熄灭；1：红色；2：绿色；3：黄色 Sys_SetLight(g_hDevice, lightColor); } string CardID = ""; //卡号 DateTime LastReadTime = DateTime.Now; //上次读取时间 /// <summary> /// 读卡 /// </summary> /// <returns></returns> public string Read() { try { string strError = ""; int status = 0; //如果读卡器已经打开，则先关闭读卡器 if (Sys_IsOpen(g_hDevice) == false) { var IsOpen = Open(); if (IsOpen == false) { strError = "读卡器连接失败!"; return ""; } } byte mode = 0x52; ushort TagType = 0; byte bcnt = 0x04;//mifare 卡都用4 byte[] dataBuffer = new byte[256]; byte len = 255; byte size = 0; status = TyA_Request(g_hDevice, mode, ref TagType);//搜寻所有的卡 if (status != 0) { return ""; } status = TyA_Anticollision(g_hDevice, bcnt, dataBuffer, ref len);//返回卡的序列号 if (status != 0) { return ""; } status = TyA_Select(g_hDevice, dataBuffer, len, ref size);//锁定一张ISO14443-3 TYPE_A 卡 if (status != 0) { return ""; } string NewID = ""; for (int q = 0; q < len; q ) { NewID = byteHEX(dataBuffer[q]); } if (NewID != CardID || (DateTime.Now - LastReadTime).TotalSeconds > 5) { LastReadTime = DateTime.Now; CardID = NewID; //蜂鸣，单位为10ms status = Sys_SetBuzzer(g_hDevice, 20); if (status != 0) { strError = "Sys_SetBuzzer failed !"; return ""; } return NewID; } } catch (Exception ex) { } return ""; } }} |
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