コード例 #1
0
        /// <summary>
        /// eg:04abcd
        /// data=abcd ,herder=len(abcd)=04
        /// </summary>
        /// <param name="headerLength">add length for eatch data row</param>
        /// <returns></returns>
        public string ToFixedLengthString(int headerLength)
        {
            int           length = 0;
            StringBuilder sb     = new StringBuilder();

            foreach (var pi in this.GetType().GetProperties())
            {
                FixedLengthAttribute attribute = FixedLengthHelper.GetCustomAttribute <FixedLengthAttribute>(pi);
                if (attribute != null && attribute.Length > 0)
                {
                    if (attribute.Type == FixedLengthType.A)
                    {
                        sb.Append(HandleFixedString(pi.GetValue(this, null), attribute.Length));
                    }
                    else
                    {
                        sb.Append(HandleFixedNumber(pi.GetValue(this, null), attribute.Length));
                    }
                    length += attribute.Length;
                }
            }

            if (headerLength > 0)
            {
                sb.Insert(0, HandleFixedNumber(length.ToString(), headerLength));
            }

            return(sb.ToString());
        }
コード例 #2
0
        public static T FromFixedLengthString <T>(string input, int headerLength)
        {
            T      obj   = Activator.CreateInstance <T>();
            string value = "";

            int startIndex = 0;

            if (headerLength > 0)
            {
                startIndex = headerLength;
            }

            StringBuilder sb = new StringBuilder();

            foreach (var pi in obj.GetType().GetProperties())
            {
                FixedLengthAttribute attribute = FixedLengthHelper.GetCustomAttribute <FixedLengthAttribute>(pi);
                if (attribute != null && attribute.Length > 0)
                {
                    if (input.Length <= startIndex)
                    {
                        break;
                    }
                    else if (input.Length > startIndex && input.Length < startIndex + attribute.Length)
                    {
                        //value = input.Substring(startIndex);
                        value = SubstringWide(input, startIndex);
                    }
                    else
                    {
                        //value = input.Substring(startIndex, attribute.Length);
                        value = SubstringWide(input, startIndex, attribute.Length);
                    }
                    pi.SetValue(obj, value, null);
                    startIndex += attribute.Length;
                }
            }

            return(obj);
        }