C# 工具函数

        #region MD5加密
        public static string MD5(string pwd)
        {
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] data = System.Text.Encoding.Default.GetBytes(pwd);
            byte[] md5data = md5.ComputeHash(data);
            md5.Clear();
            string str = "";
            for (int i = 0; i < md5data.Length; i++)
            {
                str += md5data[i].ToString("x").PadLeft(2, '0');

            }
            return str;
        }
        #endregion

        #region 分割字符串
        /// <summary>
        /// 分割字符串
        /// </summary>
        public static string[] SplitString(string strContent, string strSplit)
        {
            if (!string.IsNullOrEmpty(strContent))
            {
                if (strContent.IndexOf(strSplit) < 0)
                    return new string[] { strContent };

                return Regex.Split(strContent, Regex.Escape(strSplit), RegexOptions.IgnoreCase);
            }
            else
                return new string[0] { };
        }

        /// <summary>
        /// 分割字符串
        /// </summary>
        /// <returns></returns>
        public static string[] SplitString(string strContent, string strSplit, int count)
        {
            string[] result = new string[count];
            string[] splited = SplitString(strContent, strSplit);

            for (int i = 0; i < count; i++)
            {
                if (i < splited.Length)
                    result[i] = splited[i];
                else
                    result[i] = string.Empty;
            }

            return result;
        }
        #endregion