private List<Dictionary<string, string>> ConvertFileToDic(string fileName)

        {

            char delimiter = ',';

            CsvReader reader = null;

            List<Dictionary<string, string>> list = new List<Dictionary<string, string>>();

            StreamReader sReader = null;

            //读取CSV

            sReader = new StreamReader(fileName, Encoding.Unicode);

            using (reader = new CsvReader(sReader, true, delimiter))

            {

                reader.MissingFieldAction = MissingFieldAction.ReplaceByEmpty;



                //保证是使用正确的分隔符

                int fieldCount = 0;

                try

                {

                    fieldCount = reader.FieldCount;

                }

                catch (Exception)

                {

                    sReader = new StreamReader(fileName, Encoding.Unicode);

                    reader = new CsvReader(sReader, true, delimiter == '\t' ? ',' : '\t');

                    fieldCount = reader.FieldCount;

                }

                if (reader.FieldCount <= 1)

                {

                    sReader = new StreamReader(fileName, Encoding.Unicode);

                    reader = new CsvReader(sReader, true, delimiter == '\t' ? ',' : '\t');

             &n