判断和添加 theResult + "," + longId - AddOrUpdateId

2017-02-05 10:41:46 访问(1333) 赞(0) 踩(0)


        /// <summary>
        /// 判断和添加 theResult + "," + longId
        /// </summary>
        /// <param name="theResult"></param>
        /// <param name="longId"></param>
        /// <returns></returns>
        public static string AddOrUpdateId(string theResult, long longId)
        {
            string strLongId = longId.ToString();

            if (theResult == null || theResult.Length == 0)
            {
                return strLongId;
            }

            if (theResult == strLongId)
            {
                return theResult;
            }
            else
            {
                StringBuilder sbLeft = new StringBuilder(",");
                sbLeft.Append(theResult);
                sbLeft.Append(",");


                StringBuilder sbRight = new StringBuilder(",");
                sbRight.Append(strLongId);
                sbRight.Append(",");

                if(sbLeft.ToString().Contains(sbRight.ToString()))
                    return theResult;

                return theResult + "," + strLongId;
            }
        }

        /// <summary>
        /// 判断和添加 theResult + "," + longId
        /// </summary>
        /// <param name="theResult"></param>
        /// <param name="longId"></param>
        /// <param name="strLinkChar"></param>
        /// <returns></returns>
        public static string AddOrUpdateId(string theResult, long longId, string strLinkChar)
        {
            string strLongId = longId.ToString();

            if (theResult == null || theResult.Length == 0)
            {
                return strLongId;
            }

            if (theResult == strLongId)
            {
                return theResult;
            }
            else
            {
                StringBuilder sbLeft = new StringBuilder(strLinkChar);
                sbLeft.Append(theResult);
                sbLeft.Append(strLinkChar);


                StringBuilder sbRight = new StringBuilder(strLinkChar);
                sbRight.Append(strLongId);
                sbRight.Append(strLinkChar);

                if (sbLeft.ToString().Contains(sbRight.ToString()))
                    return theResult;

                return theResult + strLinkChar + strLongId;
            }
        }