飛天南門

 /// <summary>
        /// 中文字截字，不足補字串
        /// </summary>
        /// <param name="org">原始字串</param>
        /// <param name="RL">靠右靠左補 R(靠右) L(靠左)</param>
        /// <param name="sLen">長度</param>
        /// <param name="padStr">替代字元</param>
        /// <returns></returns>
      static  string CHT_WordPadLeftRight(string org, string RL, int sLen, char padStr)
        {
            var sResult = "";
          //計算轉換過實際的總長
            int orgLen = 0;
            int tLen = 0;
            for (int i = 0; i < org.Length; i++)
            {
                string s = org.Substring(i, 1);
                int vLen = 0;
                //判斷 asc 表是否介於 0~128
                if (Convert.ToInt32(s[0]) > 128 || Convert.ToInt32(s[0]) < 0)
                {
                    vLen = 2;
                }
                else
                {
                    vLen = 1;
                }
                orgLen += vLen;
                if (orgLen > sLen)
                {
                    orgLen -= vLen;
                    break;
                }
                sResult += s;
            }
            //計算轉換過後，最後實際的長度
            tLen = sLen - (orgLen - org.Length);
            if (RL == "R")
            {
                return sResult.PadLeft(tLen, padStr);
            }
            else
            {
                return sResult.PadRight(tLen, padStr);
            }
        }