添加项目文件。

WPFWCSDemo/Utilities/Table/AlarmManager.cs

@@ -0,0 +1,139 @@
+using Serilog;
+using System;
+using System.Collections.Generic;
+using System.Data.SqlClient;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WPFWCSDemo.StateCode;
+using WPFWCSDemo.Models.Tables;
+using WPFWCSDemo.Data;
+
+namespace WPFWCSDemo.Utilities.Table
+{
+    public class AlarmManager
+    {
+        /// <summary>
+        /// 获取【实时报警】表所有行数据集合
+        /// </summary>
+        /// <returns>返回所有行的数据</returns>
+        public static List<Alarm> ListAll()
+        {
+            
+            using (DataTable? dt = SqlHelper.ExecuteTable("SELECT * FROM ALARM ORDER BY GEN_TIME DESC"))
+            {
+                if (dt == null) return null;
+
+                List<Alarm> alarms = new List<Alarm>();
+
+                foreach (DataRow dr in dt.Rows)
+                {
+                    alarms.Add(ToModels(dr));
+                }
+                #region 反射方法
+                /*
+                foreach (DataRow dr in dt.Rows)
+                {
+                    tasks.Add(dr.DataRowToModel<ScheduleManager>());
+                }
+                */
+                #endregion
+                return alarms;
+            }
+
+                
+        }
+
+        /// <summary>
+        /// 将【调度管理】表的单行转换为实体数据对象
+        /// </summary>
+        /// <param name="dr">获取表的某行数据</param>
+        /// <returns>当前行所有字段的集合</returns>
+        public static Alarm ToModels(DataRow dr)
+        {
+            Alarm alarm = new Alarm();
+            alarm.Point_Id = dr["Point_Id"].ToString();
+            alarm.Description = dr["Description"].ToString();
+            alarm.Priority = dr["Priority"].ToString();
+            alarm.Device_Id = dr["Device_Id"].ToString();
+            alarm.Gen_Time = Convert.ToDateTime(dr["Generation_Time"]);
+
+
+            return alarm;
+        }
+
+
+
+        /// <summary>
+        /// 向【实时报警】表中插入数据
+        /// </summary>
+        /// <param name="alarm"></param>
+        /// <returns>返回受影响的行数</returns>
+        public static int Insert(Alarm alarm)
+        {
+            using var context = new AppDbContext();
+
+            int count = context.Set<Alarm>()
+                .Where(a => a.Point_Id == alarm.Point_Id)
+                .Count();
+
+            if (count > 0) return 0;
+
+            alarm.Gen_Time = DateTime.Now;
+            context.Set<Alarm>()
+                .Add(alarm);
+
+            if (context.SaveChanges() == 1)
+            {
+                return 1;
+            }
+            else
+            {
+                return 0;
+            }
+                
+        }
+
+
+
+
+        /// <summary>
+        /// 从【实时报警】表中移除数据记入历史表
+        /// </summary>
+        /// <param name="alarm">当前已结束的报警</param>
+        /// <returns>执行后受影响的行数</returns>
+        public static int Delete(Alarm alarm)
+        {
+            using var context = new AppDbContext();
+
+            int count = context.Set<Alarm>()
+                .Where(a => a.Point_Id == alarm.Point_Id)
+                .Count();
+
+            if(count == 0) return 0;
+
+            AlarmHistory alarmHistory = new AlarmHistory()
+            {
+                Point_Id = alarm.Point_Id,
+                Description = alarm.Description,
+                Priority = alarm.Priority,
+                Device_Id = alarm.Device_Id,
+                Gen_Time = alarm.Gen_Time,
+                End_Time = DateTime.Now,
+            };
+
+            context.Set<AlarmHistory>()
+                .Add(alarmHistory);
+
+            context.Set<Alarm>()
+                .Remove(alarm);
+
+            return context.SaveChanges();
+
+
+        }
+
+
+    }
+}