Blog.Core/Blog.Core.Common/Helper/RecursionHelper.cs at master · githubsunyf/Blog.Core · GitHub

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace Blog.Core.Common.Helper

{

/// <summary>

/// 泛型递归求树形结构

/// </summary>

public static class RecursionHelper

{

public static void LoopToAppendChildren(List<PermissionTree> all, PermissionTree curItem, int pid, bool needbtn)

{

var subItems = all.Where(ee => ee.Pid == curItem.value).ToList();

var btnItems = subItems.Where(ss => ss.isbtn == true).ToList();

if (subItems.Count > 0)

{

curItem.btns = new List<PermissionTree>();

curItem.btns.AddRange(btnItems);

}

else

{

curItem.btns = null;

}

if (!needbtn)

{

subItems = subItems.Where(ss => ss.isbtn == false).ToList();

}

if (subItems.Count > 0)

{

curItem.children = new List<PermissionTree>();

curItem.children.AddRange(subItems);

}

else

{

curItem.children = null;

}

if (curItem.isbtn)

{

//curItem.label += "按钮";

}

foreach (var subItem in subItems)

{

if (subItem.value == pid && pid > 0)

{

//subItem.disabled = true;//禁用当前节点

}

LoopToAppendChildren(all, subItem, pid, needbtn);

}

public static void LoopNaviBarAppendChildren(List<NavigationBar> all, NavigationBar curItem)

{

var subItems = all.Where(ee => ee.pid == curItem.id).ToList();

if (subItems.Count > 0)

{

curItem.children = new List<NavigationBar>();

curItem.children.AddRange(subItems);

}

else

{

curItem.children = null;

}

foreach (var subItem in subItems)

{

LoopNaviBarAppendChildren(all, subItem);

}

public static void LoopToAppendChildrenT<T>(List<T> all, T curItem, string parentIdName = "Pid", string idName = "value", string childrenName = "children")

{

var subItems = all.Where(ee => ee.GetType().GetProperty(parentIdName).GetValue(ee, null).ToString() == curItem.GetType().GetProperty(idName).GetValue(curItem, null).ToString()).ToList();

if (subItems.Count > 0) curItem.GetType().GetField(childrenName).SetValue(curItem, subItems);

foreach (var subItem in subItems)

{

LoopToAppendChildrenT(all, subItem);

}

public class PermissionTree

{

public int value { get; set; }

public int Pid { get; set; }

public string label { get; set; }

public int order { get; set; }

public bool isbtn { get; set; }

public bool disabled { get; set; }

public List<PermissionTree> children { get; set; }

public List<PermissionTree> btns { get; set; }

}

public class NavigationBar

{

public int id { get; set; }

public int pid { get; set; }

public int order { get; set; }

public string name { get; set; }

public bool IsHide { get; set; } = false;

public bool IsButton { get; set; } = false;

public string path { get; set; }

public string Func { get; set; }

public string iconCls { get; set; }

public NavigationBarMeta meta { get; set; }

public List<NavigationBar> children { get; set; }

}

public class NavigationBarMeta

{

public string title { get; set; }

public bool requireAuth { get; set; } = true;

public bool NoTabPage { get; set; } = false;

}

Blog.Core/Blog.Core.Common/Helper/RecursionHelper.cs at master · githubsunyf/Blog.Core · GitHub

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