1 //記錄已經遍歷過的節(jié)點
 2     private IList<int> visitedModelIDList = new List<int>();
 3    
 4     //層級系數(shù)
 5     private int index = 0;
 6 
 7     /// <summary>
 8     /// 遞歸，顯示計劃節(jié)點
 9     /// </summary>
10     /// <param name="currentModel">當前節(jié)點實體</param>
11     private void ShowNode(PlanModel currentModel)
12     {
13 
14         //如果沒有被遍歷，就顯示該節(jié)點
15         if (visitedModelIDList.Contains(currentModel.ID) == false)
16         {
17             ShowPlanIntoTable(currentModel, index); //顯示到頁面
18             visitedModelIDList.Add(currentModel.ID);
19         }
20 
21         //如果有沒有被訪問的子節(jié)點，就轉向該子節(jié)點
22         if (PlanBLL.GetChildrenPlanList(currentModel.ID).Where(m => visitedModelIDList.Contains(m.ID) == false).Count() > 0)
23         {
24             PlanModel model = PlanBLL.GetChildrenPlanList(currentModel.ID).Where(m => visitedModelIDList.Contains(m.ID) == false).First();
25             index++;
26             ShowNode(model);
27         }
28         else //如果沒了未遍歷的子節(jié)點
29         {
30             if(currentModel.FatherID == 0)
31             {
32                 return;
33             }
34             else
35             {
36                 PlanModel model = PlanBLL.GetFatherPlan(currentModel.FatherID);
37                 index--;
38                 ShowNode(model);
39             }
40         }
41     }