路径算法调整为动态规划方式，新增预任务申请功能

WarehouseMgr/Tnb.WarehouseMgr/Dp.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using JNPF.Templates;
+using Microsoft.AspNetCore.Mvc;
+using NPOI.SS.Formula.Functions;
+using Spire.Doc;
+using Tnb.WarehouseMgr.Entities;
+
+namespace Tnb.WarehouseMgr
+{
+    /// <summary>
+    /// 动态规划类
+    /// </summary>
+    public class Dp
+    {
+        private const int Max = int.MaxValue;
+        private int Min = int.MaxValue;
+        private int Deep = 0;
+        /// <summary>
+        /// 动态规划函数
+        /// </summary>
+        /// <param name="roads"></param>
+        /// <param name="sPointId"></param>
+        /// <param name="ePointId"></param>
+        /// <returns></returns>
+        public void DpFunc(List<WmsRoad> roads, List<WmsRoad> subRoads, List<string> pointIds, Dictionary<string, bool> isVisited, string sPointId, string ePointId)
+        {
+            Deep++;
+
+            var sRoads = roads.FindAll(x => x.startpoint_id == sPointId).ToList();
+            var sRoads_EPointIds = sRoads.Select(x => x.endpoint_id).ToList();
+            
+            if (!isVisited[sPointId])
+            {
+                Console.WriteLine($"code={roads.Find(x => x.startpoint_id == sPointId).startpoint_code}");
+                pointIds.Add(sPointId);
+            }
+            var eSubRoads = sRoads.FindAll(x => x.endpoint_id == ePointId);
+            if (eSubRoads?.Count > 0)
+            {
+                pointIds.Add(ePointId);
+                Console.WriteLine($"Deep={Deep}");
+                foreach (var kvp in isVisited)
+                {
+                    isVisited[kvp.Key] = true;
+                }
+                return;
+            }
+
+            subRoads = roads.FindAll(x => sRoads_EPointIds.Contains(x.startpoint_id)).ToList();
+            if (subRoads?.Count > 0 && !isVisited[sPointId])
+            {
+                isVisited[sPointId] = true;
+                for (int i = 0; i < subRoads.Count; i++)
+                {
+                    var sIdx = subRoads[i].startpoint_id;
+                    if (!isVisited[sIdx])
+                    {
+                        DpFunc(roads, subRoads, pointIds, isVisited, sIdx, ePointId);
+                    }
+                }
+
+            }
+        }
+    }
+}