using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Web;
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namespace WebAPI.Models
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{
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public class ToHierarchy
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{
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public static List<Menu> ToHierarchyList(List<Menu> limits, string HPartentID/*int? HPartentID = 0*/)
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{
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List<Menu> newLimitList = new List<Menu>();
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newLimitList = limits.Where(t => t.HPartentID == HPartentID).ToList();
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for (int i = 0; i < newLimitList.Count; i++)
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{
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newLimitList[i].childMenus = ToHierarchyList(limits, newLimitList[i].HPartentID);//下一层级
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}
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return newLimitList;
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}
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public static void digui(DataTable dt, List<Menu> tree)
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{
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for (int m = 0; m < tree.Count; m++)
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{
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tree[m].childMenus = new List<Menu>();
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for (int i = 0; i < dt.Rows.Count; i++)//第一次循环，得到所有根节点的子集
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{
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if (tree[m].HitemID.ToString() == dt.Rows[i]["HPartentID"].ToString() && dt.Rows[i]["HitemID"].ToString() != dt.Rows[i]["HPartentID"].ToString())
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{
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Menu tbjson = new Menu();
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tbjson.HitemID = dt.Rows[i]["HitemID"].ToString();
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tbjson.HPartentID = dt.Rows[i]["HPartentID"].ToString();
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tbjson.HNumber = dt.Rows[i]["HNumber"].ToString();
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tbjson.HName = dt.Rows[i]["HName"].ToString();
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tbjson.HLevel = tree[m].HLevel;
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tbjson.Hurl = dt.Rows[i]["Hurl"].ToString();
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tree[m].childMenus.Add(tbjson);
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}
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}
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for (int i = 0; i < tree[m].childMenus.Count; i++)
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{
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digui(dt, tree[m].childMenus);//再次用子集去循环，拿出子集的子集
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}
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}
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}
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}
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}
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