Splitx 分割函数-分割符号是string

       /// <summary>
        /// 分割函数

        /// </summary>
        /// <param name="src">要分割的字符串</param>
        /// <param name="pattern">要分割的符号</param>
        /// <returns>要分割的第几个符号</returns>

        public static string splitStr(string src,string breakstr,int intNum)
        {
            if (src.Trim() == "")
            {
                return "";
            }
            if (breakstr == "")
            {
                return "";
            }
            string[] stringSeparators = new string[] {breakstr};
            string[] sArray = src.Split(stringSeparators, StringSplitOptions.None);
            string resultStr="";
            int intCount=0;
            foreach (string i in sArray)
            {
                intCount++;
                if (intCount == intNum)
                {
                    resultStr=i;
                    break; 
                }
            }
            return resultStr;
        }