考勤机抓图程序

DigitalSchoolApi/Controllers/HKAttendanceController.cs

@@ -10,6 +10,7 @@ using System.Runtime.InteropServices;
 using System.Web;
 using AlarmCSharpDemo;
 using Dapper;
+using Learun.Util;
 
 namespace DigitalSchoolApi.Controllers
 {
@@ -57,7 +58,7 @@ namespace DigitalSchoolApi.Controllers
                             {
                                 //开始自动打卡
                                 //删除今日考勤
-                                connmis.Execute("delete from ADR_Record where ADYear='"+ workDateTime.Year + "' and ADMonth='" + workDateTime.Month.ToString().PadLeft(2,'0') + "' and ADDay='"+ workDateTime.Day.ToString().PadLeft(2,'0') + "' and UserNo='"+ useritem.EmpNo + "'");
+                                connmis.Execute("delete from ADR_Record where ADYear='" + workDateTime.Year + "' and ADMonth='" + workDateTime.Month.ToString().PadLeft(2, '0') + "' and ADDay='" + workDateTime.Day.ToString().PadLeft(2, '0') + "' and UserNo='" + useritem.EmpNo + "'");
                                 //上午上班
                                 ADR_RecordEntity adrRecordEntity = new ADR_RecordEntity();
                                 adrRecordEntity.Create();
@@ -103,7 +104,7 @@ namespace DigitalSchoolApi.Controllers
                                 //adrRecordEntity.ADTime = offworkDateTime.AddMinutes(10);
                                 //adrRecordEntity.ClockTime = offworkDateTime.AddMinutes(10);
                                 //liangkun 2021-05-06 应客户要求改为下午6：00下班
-                                adrRecordEntity.ADTime = Convert.ToDateTime(datenow + " 18:00"); 
+                                adrRecordEntity.ADTime = Convert.ToDateTime(datenow + " 18:00");
                                 adrRecordEntity.ClockTime = Convert.ToDateTime(datenow + " 18:00");
                                 connmis.Execute("insert into ADR_Record(ID, UserNo, ADType, ADTime, ClockTime, ClockStatus, ClockPlace, ADYear, ADMonth, ADDay, ADPhoto) values(" +
                                                 "'" + adrRecordEntity.ID + "','" + adrRecordEntity.UserNo + "','" + adrRecordEntity.ADType + "','" + adrRecordEntity.ADTime + "'," +
@@ -1114,6 +1115,50 @@ namespace DigitalSchoolApi.Controllers
             }
         }
 
+        public static string CaptureJPEG(string id)
+        {
+            try
+            {
+                using (IDbConnection connmis = new SqlConnection(_misConnection))
+                {
+                    uint iBuffSize = 400000; 
+                    byte[] byJpegPicBuffer = new byte[iBuffSize];
+                    uint dwSizeReturned = 0;
+                    var deviceEntity = connmis.QueryFirstOrDefault<ADR_DeviceEntity>($"select * from ADR_Device where id='{id}';");
+                    if (deviceEntity == null)
+                    {
+                        return "设备不存在！";
+                    }
+                    if (deviceEntity.F_EnabledMark == 0)
+                    {
+                        return "设备未启用！";
+                    }
+                    #region 登录考勤机
+                    CHCNetSDK.NET_DVR_Init();
+                    CHCNetSDK.NET_DVR_DEVICEINFO_V30 DeviceInfo = new CHCNetSDK.NET_DVR_DEVICEINFO_V30();
+                    var m_lUserID = CHCNetSDK.NET_DVR_Login_V30(deviceEntity.IpAddress, deviceEntity.PortNumber.Value, deviceEntity.AdminAccount, deviceEntity.AdminPwd, ref DeviceInfo);
+                    if (m_lUserID < 0)
+                    {
+                        return "设备登录失败！";
+                    }
+                    #endregion
+                    CHCNetSDK.NET_DVR_JPEGPARA lpJpegPara = new CHCNetSDK.NET_DVR_JPEGPARA();
+                    lpJpegPara.wPicQuality = 0;
+                    lpJpegPara.wPicSize = 0xff;
+
+                    if (CHCNetSDK.NET_DVR_CaptureJPEGPicture_NEW(m_lUserID, 1 + (int)DeviceInfo.byStartChan, ref lpJpegPara, byJpegPicBuffer,
+                            iBuffSize, ref dwSizeReturned))
+                    {
+                        return "data:image/jpeg;base64," + Convert.ToBase64String(byJpegPicBuffer, 0, (int)dwSizeReturned);
+                    }
+                    return "设备抓图失败！";
+                }
+            }
+            catch (Exception e)
+            {
+                return "设备抓图异常：" + e.Message;
+            }
+        }
         #region  考勤结构体
         /// <summary>
         /// 考勤设备日志

DigitalSchoolApi/Controllers/YKTController.cs

@@ -274,6 +274,16 @@ namespace DigitalSchoolApi.Controllers
             return Ok();
         }
 
+        public IHttpActionResult CaptureJPEG(string id)
+        {
+            var result=HKAttendanceController.CaptureJPEG(id);
+            return Ok(new
+            {
+                state = !result.Contains("设备"),
+                data = result
+            });
+        }
+
         #region 长阳报名\晚归预警
         /// <summary>
         /// 长阳报名  保存后24小时自动提交
@@ -509,7 +519,7 @@ namespace DigitalSchoolApi.Controllers
             //学生
             RecurringJob.AddOrUpdate("SyncTLMZYMiddleToStuInfo",
                 () => TLMSchoolController.SyncStuInfoOracle(null),
-                Cron.Daily(1), TimeZoneInfo.Local);
+                Cron.MinuteInterval(5), TimeZoneInfo.Local);
             return Ok();
         }
         /// <summary>

DigitalSchoolApi/Controllers/海康考勤机/CHCNetSDK.cs

@@ -328,7 +328,16 @@ namespace AlarmCSharpDemo
             [MarshalAsAttribute(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
             public byte[] byRes;
         }
-
+        //图片质量
+        [StructLayoutAttribute(LayoutKind.Sequential)]
+        public struct NET_DVR_JPEGPARA
+        {
+            /*注意：当图像压缩分辨率为VGA时，支持0=CIF, 1=QCIF, 2=D1抓图，
+            当分辨率为3=UXGA(1600x1200), 4=SVGA(800x600), 5=HD720p(1280x720),6=VGA,7=XVGA, 8=HD900p
+            仅支持当前分辨率的抓图*/
+            public ushort wPicSize;/* 0=CIF, 1=QCIF, 2=D1 3=UXGA(1600x1200), 4=SVGA(800x600), 5=HD720p(1280x720),6=VGA*/
+            public ushort wPicQuality;/* 图片质量系数 0-最好 1-较好 2-一般 */
+        }
         /*********************************************************
         Function:	NET_DVR_Init
         Desc:		初始化SDK，调用其他SDK函数的前提。
@@ -349,11 +358,30 @@ namespace AlarmCSharpDemo
         public static extern bool NET_DVR_SetExceptionCallBack_V30(uint nMessage, IntPtr hWnd, EXCEPYIONCALLBACK fExceptionCallBack, IntPtr pUser);
         [DllImport(@"HCNetSDK.dll")]
         public static extern bool NET_DVR_SetDVRMessageCallBack_V31(MSGCallBack_V31 fMessageCallBack, IntPtr pUser);
+        /*********************************************************
+       Function:	NET_DVR_Login_V30
+       Desc:
+       Input:	sDVRIP [in] 设备IP地址
+               wServerPort [in] 设备端口号
+               sUserName [in] 登录的用户名
+               sPassword [in] 用户密码
+       Output:	lpDeviceInfo [out] 设备信息
+       Return:	-1表示失败，其他值表示返回的用户ID值
+       **********************************************************/
+        [DllImport(@".\HCNetSDK.dll")]
+        public static extern Int32 NET_DVR_Login_V30(string sDVRIP, Int32 wDVRPort, string sUserName, string sPassword, ref NET_DVR_DEVICEINFO_V30 lpDeviceInfo);
         [DllImport(@"HCNetSDK.dll")]
         public static extern int NET_DVR_Login_V40(ref NET_DVR_USER_LOGIN_INFO pLoginInfo, ref NET_DVR_DEVICEINFO_V40 lpDeviceInfo);
         [DllImport(@"HCNetSDK.dll")]
         public static extern int NET_DVR_SetupAlarmChan_V41(int lUserID, ref NET_DVR_SETUPALARM_PARAM lpSetupParam);
         [DllImport(@"HCNetSDK.dll")]
         public static extern bool NET_DVR_CloseAlarmChan_V30(int lAlarmHandle);
+        //2005-09-15
+        [DllImport(@".\HCNetSDK.dll")]
+        public static extern bool NET_DVR_CaptureJPEGPicture(int lUserID, int lChannel, ref NET_DVR_JPEGPARA lpJpegPara, string sPicFileName);
+
+        //JPEG抓图到内存
+        [DllImport(@".\HCNetSDK.dll")]
+        public static extern bool NET_DVR_CaptureJPEGPicture_NEW(int lUserID, int lChannel, ref NET_DVR_JPEGPARA lpJpegPara, byte[] sJpegPicBuffer, uint dwPicSize, ref uint lpSizeReturned);
     }
 }