64 lines
1.7 KiB
C#
64 lines
1.7 KiB
C#
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Text;
|
|||
|
|
using System.Threading.Tasks;
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 转为树形结构
|
|||
|
|
/// </summary>
|
|||
|
|
namespace Nirvana.Common
|
|||
|
|
{
|
|||
|
|
public class ToTree<T> where T:IToTreeModel
|
|||
|
|
{
|
|||
|
|
public static List<T> ToDo(List<T> models)
|
|||
|
|
{
|
|||
|
|
var dtoMap = new Dictionary<int, T>();
|
|||
|
|
foreach (var item in models)
|
|||
|
|
{
|
|||
|
|
dtoMap.Add(item.Id, item);
|
|||
|
|
}
|
|||
|
|
List<T> result = new List<T>();
|
|||
|
|
foreach (var item in dtoMap.Values)
|
|||
|
|
{
|
|||
|
|
if (item.ParentId == 0)
|
|||
|
|
{
|
|||
|
|
result.Add(item);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (dtoMap.ContainsKey(item.ParentId))
|
|||
|
|
{
|
|||
|
|
dtoMap[item.ParentId].AddChilrden(item);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public interface IToTreeModel
|
|||
|
|
{
|
|||
|
|
int Id { get; set; }
|
|||
|
|
int ParentId { get; set; }
|
|||
|
|
public string Name { get; set; }
|
|||
|
|
List<IToTreeModel> treeList { get; set; }
|
|||
|
|
void AddChilrden(IToTreeModel node);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class ShowMessageUpdatesViewModel : IToTreeModel
|
|||
|
|
{
|
|||
|
|
public int Id { get; set; }
|
|||
|
|
public int ParentId { get; set; }
|
|||
|
|
public string Name { get; set; }
|
|||
|
|
public int status { get; set; }
|
|||
|
|
public List<IToTreeModel> treeList { get; set; }
|
|||
|
|
public void AddChilrden(IToTreeModel node)
|
|||
|
|
{
|
|||
|
|
if (treeList == null)
|
|||
|
|
treeList = new List<IToTreeModel>();
|
|||
|
|
this.treeList.Add(node);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|