BookShop/Common/BookShopUtils.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using CTL.Common;

namespace BookShop
{
    public class BookShopUtils
    {
        #region 获取类别信息
        /// <summary>
        /// 获取类别的父类信息
        /// </summary>
        /// <param name="cateInfo"></param>
        /// <param name="list"></param>
        /// <returns></returns>
        private static StringBuilder GetParent(Model.Cate cateInfo, List<Model.Cate> list)
        {
            StringBuilder result = new StringBuilder();
            if (cateInfo.ParentID != 0)
            {
                List<Model.Cate> selectParentCate = list.Where(c => c.CateID == cateInfo.ParentID).ToList();
                if (selectParentCate.Count > 0)
                {
                    result.Append(GetParent(selectParentCate[0], list)); result.Append(">" + selectParentCate[0].Name);
                }
            }
            return result;
        }



        /// <summary>
        /// 获取类别信息递归
        /// </summary>
        /// <returns></returns>
        public static string GetCateInfo(int cateId)
        {
            string result = "";
            List<Model.Cate> list = CateBLL.GetCateList();
            List<Model.Cate> selectCateList = list.Where(c => c.CateID == cateId).ToList();

            if (selectCateList.Count > 0)
            {
                Model.Cate selectCateInfo = selectCateList[0];
                string cateInfo = "";
                cateInfo += selectCateInfo.Name;
                StringBuilder parentinfo = GetParent(selectCateInfo, list);
                if (parentinfo.ToString() != "")
                {
                    parentinfo.Remove(0, 1);
                    result += parentinfo + ">";
                }
                result += cateInfo;
            }

            return result;
        }