过率非低位打印字符 webservice中出现的特殊中文字符

?/// <summary> ??????? /// 过率非低位打印字符 ??????? /// </summary> ??????? /// <param name="tmp"></param> ??????? /// <returns></returns> ??????? public static string ReplaceLowOrderASCIICharacters(string tmp) ??????? { ??????????? System.Text.StringBuilder info = new System.Text.StringBuilder(); ??????????? foreach (char cc in tmp) ??????????? { ??????????????? int ss = (int)cc; ??????????????? if (((ss >= 0) && (ss <= 8)) || ((ss >= 11) && (ss <= 12)) || ((ss >= 14) && (ss <= 32))) ??????????????????? info.AppendFormat("{0:X}",ss); ??????????????? else info.Append(cc); ??????????? } ??????????? return info.ToString(); ??????? }