小弟愚蠢，这个功能只实现一半，实在苦恼！
小弟愚蠢，这个功能只实现一半，实在苦恼！

做了一两天了，跟这个网站的产品筛选功能类似的。
http://sports.8t8x.com/product/yumaoqiu.htm
下面的代码我只能处理URL参数里有的字段，让它不追加重复的筛选ID，但是同类的切无法让它不追加，比如
"材质分类："这个选项里有"碳素纤维 铝合金 铝碳一体 铁合金"
我选了碳素纤维，碳素纤维的ID是1。现在再选铝合金,铝合金的URL参数不应该包含1的。可是我无法实现

using System;

using System.Collections.Generic;



using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;



namespace MTC.Web.Aspx

{

    public partial class Test : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            string allSelectField = "48,49,-48,50,-48,51,-|45,46,-45,47,-|2,3,-2,4,-2,5,-2,29,-2,30,-2,31,-2,32,-2,33,-2,34,-2,35,-2,36,-2,37,-|1,6,-



1,7,-1,52,-1,53,-|8,9,-8,10,-8,11,-|38,39,-38,40,-38,41,-|42,43,-42,44,-|";

            allSelectField = allSelectField.Replace(",-|", "|");

            allSelectField = allSelectField.Replace(",-", "-");

            allSelectField = allSelectField.Substring(0,allSelectField.Length - 1);

            string[] groupArray = allSelectField.Split('|');  //组数组

            string[] fieldArray; //大类数组

            string[] SmallFieldArray; //小类数组



            string url = "50-46-29"; //提交的查询URL

            string[] urlArray = url.Split('-');  //URL数组

            Response.Write("URL is:" + url + "<br />");

            for (int i = 0; i < groupArray.Length; i++) //遍历组

            {

                fieldArray = groupArray[i].Split('-');

                for (int ii = 0; ii < fieldArray.Length; ii++)//遍历大类

                {

                    SmallFieldArray = fieldArray[ii].Split(',');

                    Response.Write(myTest2(url, urlArray, SmallFieldArray, fieldArray[ii], groupArray[i]));

                }

            }



        }



        /// <summary>

        /// 

        /// </summary>