using CoreCms.Net.Model.Entities;
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using CoreCms.Net.Model.ViewModels.UI;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace CoreCms.Net.Utility.Helper
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{
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public static class SysMenuHelper
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{
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#region 获取商品分类下来Dtree============================================================
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/// <summary>
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/// 获取导航下拉上级树
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/// </summary>
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/// <returns></returns>
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[Description("获取导航下拉上级树")]
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public static DTree GetTree(List<SysMenu> categories, bool isHaveTop = true)
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{
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var model = new DTree();
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model.status = new dtreeStatus() { code = 200, message = "操作成功" };
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var list = GetMenus(categories, 0);
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if (isHaveTop)
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{
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list.Insert(0, new dtreeChild()
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{
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id = "0",
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last = true,
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parentId = "0",
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title = "无父级",
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children = new List<dtreeChild>()
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});
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}
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model.data = list;
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return model;
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}
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/// <summary>
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/// 迭代方法
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/// </summary>
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/// <param name="oldNavs"></param>
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/// <param name="parentId"></param>
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/// <returns></returns>
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private static List<dtreeChild> GetMenus(List<SysMenu> oldNavs, int parentId)
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{
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List<dtreeChild> childTree = new List<dtreeChild>();
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var model = oldNavs.Where(p => p.parentId == parentId).ToList();
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foreach (var item in model)
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{
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var parentTree = new dtreeChild();
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parentTree.id = item.id.ToString();
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parentTree.title = item.menuName;
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parentTree.parentId = item.parentId.ToString();
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parentTree.last = !oldNavs.Exists(p => p.parentId == item.id);
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parentTree.isParent = !parentTree.last;
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parentTree.otherData = item;
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childTree.Add(parentTree);
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parentTree.children = GetMenus(oldNavs, item.id);
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}
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return childTree;
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}
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#endregion
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}
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}
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