bIn文件添加字节

 
 Form1.cs

using System;

using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Collections;

namespace ToBinAddHeader
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        ArrayList arrbuffer = new ArrayList();
        //打开文件
        private void btn_Open_Click(object sender, EventArgs e)
        {
            try
            {
                OpenFileDialog ofd = new OpenFileDialog();
                ofd.Filter = "Bin文件(*.bin)|*.bin|所有文件|*.*";
                ofd.ValidateNames = true;
                ofd.CheckPathExists = true;
                ofd.CheckFileExists = true;
                if (ofd.ShowDialog() == DialogResult.OK)
                {
                    tbx_OpenPath.Text = ofd.FileName;//文件路径
                    // 打开并读取文件，最大读取512KB，文本框显示前128字节
                    FileInfo f = new FileInfo(tbx_OpenPath.Text);
                    long filelength = f.Length;//117096
                    tbx_FileLength.Text = Convert.ToInt64(filelength.ToString(),16).ToString();
                    FileStream fp = new FileStream(tbx_OpenPath.Text, FileMode.Open, FileAccess.Read);
                    BinaryReader br = new BinaryReader(fp);
                    byte[] buff = br.ReadBytes((int)f.Length);
                    arrbuffer.AddRange(buff);
                    tbx_Show.AppendText("读取数据为:" + BitConverter.ToString(buff).Replace("-", " ") + "\r\n");
                    tbx_Show.AppendText("共读取文件 " + buff.Length.ToString() + "字节" + "\r\n");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return;
            }
        }
    

        private void btn_Save_Click(object sender, EventArgs e)
        {
            try
            {
                //string str = (Convert.ToInt32(tbx_FileLength.Text, 10)).ToString("X8");
                if (cbx_FileType.Text != "")
                {
                    if (tbx_OpenPath.Text != "")
                    {
                        // 利用SaveFileDialog，让用户指定文件的路径名
                        SaveFileDialog saveDlg = new SaveFileDialog();
                        saveDlg.Filter = "文本文件|*.bin";
                        saveDlg.ValidateNames = true;
                        saveDlg.CheckPathExists = true;
                        if (saveDlg.ShowDialog() == DialogResult.OK)
                        {
                            // 创建文件，将textBox1中的内容保存到文件中
                            // saveDlg.FileName 是用户指定的文件路径
                            FileStream fs = File.Open(saveDlg.FileName,
                                FileMode.Create,
                                FileAccess.Write);
                            tbx_SavePath.Text = saveDlg.FileName;//文件路径
                            BinaryWriter bw = new BinaryWriter(fs);
                            byte[] crcdata = (byte[])arrbuffer.ToArray(typeof(byte));
                            arrbuffer.InsertRange(0, BytesConvert.BytesConverter(StrConvertToBytes.StringToBytes("0", 41)));
                            arrbuffer.InsertRange(0, BytesConvert.BytesConverter(Common.CRCVerify(crcdata,0,crcdata.Length-1)));
                            arrbuffer.InsertRange(0, BytesConvert.BytesConverter(StrConvertToBytes.StringToBytes(tbx_FileLength.Text, 4)));
                            arrbuffer.InsertRange(0, new byte[] { Convert.ToByte(cbx_FileType.SelectedIndex.ToString(), 16) });//文件类型
                            byte[] data = (byte[])arrbuffer.ToArray(typeof(byte));
                            bw.Write(data);
                            tbx_Show.Text = "";
                            tbx_Show.AppendText("保存文件共" + data.Length.ToString() + "字节" + "\r\n");
                            tbx_Show.AppendText("添加文件成功"+"\r\n");
                        }
                    }
                    else
                    {
                        MessageBox.Show("请打开所需要添加的bin文件！", "Error");
                        return;
                    }
                }
                else
                {
                    MessageBox.Show("请输入文件类型!", "Error");
                    return;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return;
            }
        }
    }
}
 

 

 


using System;
 

using System.Collections.Generic;
using System.Text;

namespace ToBinAddHeader
{
    public class BytesConvert
    {
        /// <summary>
        /// 字节数组逆转
        /// </summary>
        /// <param name="bytes"></param>
        /// <returns></returns>
        public static byte[] BytesConverter(byte[] bytes)
        {
            byte[] byteNew = new byte[bytes.Length];
            for (int i = bytes.Length - 1; i >= 0; i--)
            {
                byteNew[bytes.Length-i-1]=bytes[i];
            }
            return byteNew;
        }
    }
}

 

 

using System;
using System.Collections.Generic;
using System.Text;

namespace ToBinAddHeader
{
    public class StrConvertToBytes
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="s"></param>
        /// <param name="pararm">要转换的长度</param>
        /// <returns></returns>
        public static byte[] StringToBytes(string s, int pararm)
        {
            string str = s;
            int Data = int.Parse(str);
            string data = string.Empty;
            if (pararm == 1)
            {
                string len = "1";
                data = Data.ToString("X" + len);
                //byte[] bytes = strToToHexByte(str);
                while (data.Length < 2)
                {
                    data = "0" + data;
                }
                if (data.Length > 4)
                {
                    data = data.Substring(data.Length - 2, 2);
                }
                string[] str1 = new string[data.Length / 2];
                byte[] bytes = new byte[data.Length / 2];
                for (int i = 0; i < data.Length / 2; i++)
                {
                    str1[i] = data.Substring(i * 2, 2);
                    bytes[i] = Convert.ToByte(str1[i], 16);
                    //string str2 = ("0x" + str1[i]);
                }
                return bytes;
            }
            else
            {
                string len = "4";
                data = Data.ToString("X" + len);
                //byte[] bytes = strToToHexByte(str);
                if (data.Length == 5)
                {
                    while (data.Length < 8)
                    {
                        data = "0" + data;
                    }
                }
                else
                {
                    while (data.Length < pararm * 2 - 1)
                    {
                        data = "00" + data;
                    }
                }
                string[] str1 = new string[data.Length / 2];
                byte[] bytes = new byte[data.Length / 2];
                for (int i = 0; i < data.Length / 2; i++)
                {
                    str1[i] = data.Substring(i * 2, 2);
                    bytes[i] = Convert.ToByte(str1[i], 16);
                    //string str2 = ("0x" + str1[i]);
                }
                return bytes;
            }
        }
    }
}
 

using System;
using System.Collections.Generic;
using System.Text;

namespace ToBinAddHeader
{
    public class Common
    {
        /// <summary>
        /// CRC校验
        /// </summary>
        /// <param name="ptr">校验的BYTE数组</param>
        /// <param name="beginIndex">校验的起始下标</param>
        /// <param name="lenth">校验的长度</param>
        /// <returns></returns>
        public static byte[] CRCVerify(byte[] ptr, int beginIndex, int lenth)
        {
            UInt16 crc;
            byte da;
            int endIndex = beginIndex + lenth;
            // int i = 0; 
            // len = ptr.Length;

            #region"CRC余式表"
            UInt16[] crc_ta =
                {
                0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
   0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
   0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
   0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
   0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
   0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
   0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
   0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
   0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
   0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
   0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
   0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
   0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
   0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
   0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
   0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
   0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
   0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
   0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
   0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
   0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
   0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
   0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
   0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
   0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
   0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
   0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
   0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
   0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
   0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
   0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
   0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
                };
            #endregion;

            crc = 0;//初始化CRC的值

            for (int i = beginIndex; i < endIndex; i++)
            {
                da = Convert.ToByte(crc / 256);//获取底8位
                crc <<= 8;//获取高8位
                crc ^= crc_ta[da ^ ptr[i]];//查询CRC样式表进行异或操作

            }

            byte[] CRC;
            CRC = BitConverter.GetBytes(crc);//获取所需要的byte数组，使得一个16位的字符变成两个8位的byte数组，高字节在前、低字节在后
            return (CRC);
        }
        
    }
}