using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;

namespace 实验8
{
    class Program
    {


        static void getCharCount(string b)


   
        {

            SortedList s1 = new SortedList();
            IEnumerator OperandEnum = b.GetEnumerator();
            int CharCount = 0;
            //int m = 0, n;


            while (OperandEnum.MoveNext())
            {
                int m, n;
                CharCount++;
               
                {
                    if (s1.Contains(OperandEnum.Current))
                    {
                        m = s1.IndexOfKey(OperandEnum.Current);
                        n = (int)s1.GetByIndex(m);
                        s1.SetByIndex(m, n + 1);
                    }

                    else
                    {

                        s1.Add(OperandEnum.Current, 1);
                        m = s1.IndexOfKey(OperandEnum.Current);

                    }
                }



                Console.WriteLine("{0}  {1}", s1.GetKey(m), s1.GetByIndex(m));
         





            }
               //Console.WriteLine("{0}  {1}", s1.GetKey(m), s1.GetByIndex(m));

                Console.WriteLine(CharCount);

            }

        
        static void Main(string[] args)
        {
          string   url = @"http//:127.0.0.1:8080/my-apps/chapter1/admin/adduser.jsp";
          getCharCount(url);

           
        }
    }
}
上面是我写的一段代码想得到这样的输出结果在附件中有    ，但我输出的结果却不是这样，而是每个字符都输出，请大家帮我解决一下。

下载过来了，下午给答案你。现在有事先溜了

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;


namespace 字符串判断
{
    class Program
    {

        #region//查看对url的解析输出的方法
        public void PrintUrl(string url)
        {
            ArrayList arr = new ArrayList();
            string strfolder = null;
            string[] strurl =url.Split( new char[2] {':', '/' });//分割字符串
          
            //arr = url.Split(new char[2]{':','/'});
            int sum=0;
            for (int i = 0; i < url.Length;i++ ) //计算“/”的数量
            {if(url.Substring(i,1)=="/")
            {
                sum++;
            }
            }

            for (int j = 0; j < strurl.Length; j++)
            {
              if(strurl[j].Length!=0)  //去除空格
              {
                  arr.Add(strurl[j]);
                 
              }
            }

            Console.WriteLine("url="+url+"\n");
            Console.WriteLine("在字符串url中：\n含有{0}个'/'",sum);
            Console.WriteLine("协议：{0}\n服务器：{1}\n端口：{2}",arr[0],arr[1],arr[2]);
           
            //路径
            arr.RemoveRange(0,3);//移除前面三项，剩下的就是路径和文件名了
            for (int k = 0; k < arr.Count-1;k++ )
            {
                strfolder += arr[k] + "/";
            }
            Console.WriteLine("路径："+strfolder);

            //文件名和文件类型
            string strfile=Convert.ToString(arr[arr.Count-1]);
            string[] strfilename = strfile.Split('.');
            Console.WriteLine("文件名：{0}\n文件类型：{1}",strfilename[0],strfilename[1]);



        }
        #endregion

        #region       //查看字符及个数的方法
        public void Getcharcount(string url)
        {
            int count = Convert.ToInt32(url.Length);

            Console.WriteLine("\n url中共有字符{0}个", count);

                           

            Console.WriteLine("\t-字符-\t-个数-");

        
             ArrayList arr = new ArrayList();
             for (int i = 0; i < url.Length;i++ )
             {
                 arr.Add(url.Substring(i,1));
                
             }

             for (int j = 0; j < arr.Count; j++)
             {
               

                 int childcount = 1;

                 for (int k = j + 1; k < arr.Count; k++)
                 { 
                     

                     if (arr[j].Equals(arr[k]))
                     {
                        

                             childcount = childcount + 1;
                             arr.RemoveAt(k);
                             k--;
                         
                     }



                 }


                 Console.WriteLine("\t{0} \t{1}", arr[j], childcount);


             }




                 Console.WriteLine("使SL统计url中共有{0}个字符", count);


            }
      #endregion
       

        static void Main(string[] args)
        {
            Program pp = new Program();
          string url = "http://127.0.0.1:8080/my-apps/chapter1/admin/adduser.jsp";

           //string url = "[color=#008000; text-decoration: underline]http://aaa[/color]:80/bbb/ccc.aspx";
            pp.PrintUrl(url);
            pp.Getcharcount(url);

            Console.ReadLine();
           
        }
    }
}

结果和你的一样，但是方法有点不同，我觉得用SortedList太麻烦了