求C#字符串拆分统计个数代码
											比如:aaa,中国,人民,bbb,中国,服务,中国,aaa,ccc执行的结果出现多到少排列
结果:中国,aaa,人民,bbb,服务,ccc
(因为中国出现3,aaa出现2次,..)
	    2009-09-21 17:32
  
	    2009-09-21 22:07
  
程序代码:using System; 
using System.Collections.Generic; 
using System.Text; 
 
namespace StringSplit 
{ 
    class Program 
    { 
        static void Main(string[] args) 
        { 
            string  test = "aaa,中国,人民,bbb,中国,服务,中国,aaa,ccc"; 
            foreach (StringTimes st in GetStringAndTimes(test)) 
            { 
                Console.WriteLine(st.timers+ "," + st.value); 
            } 
 
            //foreach (StringTimes st in OrderByTimers(GetStringAndTimes(test))) 
            //{ 
            //    Console.WriteLine(st.value + "-出现次数" + st.timers.ToString() + ";"); 
            //} 
 
            Console.WriteLine("根据出现次数排序后:"); 
            foreach (StringTimes st in OrderByTimers(GetStringAndTimes(test))) 
            { 
                Console.Write(st.value + " "); 
            } 
            Console.ReadKey(); 
        } 
 
        //对StringTimes进行排序 
        static List<StringTimes> OrderByTimers(List<StringTimes> ST) 
        { 
            List<StringTimes> st = ST; 
            for (int i = 0; i < st.Count; i++) 
            { 
                int currentTimes = st[i].timers; 
                for (int j = i; j < st.Count; j++) 
                { 
                    if (st[j].timers > currentTimes) 
                    { 
                        StringTimes tempInt = st[i]; 
                        st[i] = st[j]; 
                        st[j] = tempInt; 
                        currentTimes = st[j].timers; 
                    } 
                    else 
                    { 
                        continue; 
                    } 
                } 
            } 
 
            return st; 
        } 
 
       static List<StringTimes> GetStringAndTimes(string Str) 
        { 
            List<StringTimes> timesAndString = new List<StringTimes>(); 
 
            string[] strArray = Str.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries); 
 
            foreach (string str in strArray) 
            { 
                bool hasShow = false; 
                foreach (StringTimes st in timesAndString) 
                { 
                    if (str == st.value) 
                    { 
                        st.timers++; 
                        hasShow = true; 
                        break; 
                    } 
                    else 
                    { 
                        continue; 
                    } 
                } 
                if(!hasShow) 
                    timesAndString.Add(new StringTimes(1, str)); 
            } 
 
            return timesAndString; 
        } 
 
       class StringTimes 
        { 
            public int timers; 
            public string value; 
 
            public StringTimes(int Timers, string Value) 
            { 
                this.timers = Timers; 
                this.value = Value; 
            } 
        } 
    } 
} 
	    2009-09-22 00:30
  
	    2009-10-06 22:17
  
	    2009-10-09 21:49
  
	    2009-10-10 22:59
  
										
					
	
	    2009-10-11 20:59