Project.Bll/UserMenuBll.cs

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using System;
using System.Collections.Generic;
using Project.Model;
using Project.Dal;
using System.Data.SqlClient;
namespace Project.Bll
{
	///========================================================================
	/// Project: 权限系统	
	/// Copyright: Copyright (c) 2008
	/// Company: 
   	///========================================================================
	
	///Title: UserMenu类
	///Description: UserMenu业务逻辑操作类
	///@author xu
	///@version 1.0.0.0
	///@date 2012-9-21
	///@modify 
	///@date 
	/// </summary>
	public class UserMenuBll
	{
		private readonly UserMenuDal dal = new UserMenuDal();
		
		#region 基本方法

         /// <summary>
        /// 获取顶级菜单列表
        /// </summary>
        /// <returns>顶级菜单列表</returns>
        public List<UserMenu> GetTopList()
        {
            return dal.GetTopList();
        }

        /// <summary>
        /// 对菜单按排序号进行排序
        /// </summary>
        /// <param name="list">待排序的</param>
        /// <returns>排序后的</returns>
        public List<UserMenu> GetOrderedList(List<UserMenu> list)
        {
            if (list != null && list.Count > 0)
            {
                List<UserMenu> newList = new List<UserMenu>();
                List<UserMenu> parentList = list.FindAll(delegate(UserMenu menu) { return menu.ParentId == 0; });
                for (int i = 0; i < parentList.Count; i++)
                {
                    newList.Add(parentList[i]);
                    newList.AddRange(list.FindAll(delegate(UserMenu menu) { return menu.ParentId == parentList[i].MenuId; }));
                }
                return newList;
            }
            else
                return null;
        }

        /// <summary>