解决用十六进制修改文件的问题 全部送出

///实现修改一个存档文件  十六进制搜索FF 01  EB 读取后面6个字节  比如01 50 65(好像这样是3个字节)

///然后实现01和65互换位置  就成了65 50 01  然后写进ff 01 eb 后面替换掉原来的01 50 65文件中















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.Threading;



namespace fairytalefornbalive05

{

    public partial class frmdynasty : Form

    {

        public frmdynasty()

        {

            InitializeComponent();

        }



        OpenFileDialog ofDlg = new OpenFileDialog();

        private bool isfinish = false;

        string st = null;

        string newstring;

        string path="";

        byte[] by;

        private void btnopen_Click(object sender, EventArgs e)

        {           

            ofDlg.Filter = "存档(*.dat)|*.dat|All Files (*.*)|*.*"; 

            if (ofDlg.ShowDialog() == DialogResult.OK)

            {

                try

                {

                    Thread objth = new Thread(getwage);

                    objth.Priority = ThreadPriority.BelowNormal;

                    objth.Start();

                    if (isfinish == false)

                    {

                        int j = 0;

                        for (; j < progressBar1.Maximum; j++)

                        {

                            j++;

                            progressBar1.Value = j;

                        }

                        toolStripStatusLabel1.Text = "查找地址Ing，请耐心等待";

                    }

                    else

                        progressBar1.Value = progressBar1.Maximum;

                }

                catch (Exception ee) {

                    Console.WriteLine(ee);

                }

            }

        }



        private void getwage() {

                FileStream fs = new FileStream(ofDlg.FileName, FileMode.Open);

                txtpath.Text = ofDlg.FileName;

                by = new byte[fs.Length];

                fs.Read(by, 0, by.Length);

                for (int i = 0; i < by.Length; i++)

                {

                    st += by[i].ToString("X2");

                }

                string total = st.Substring(st.ToUpper().LastIndexOf("FF01EB") + 6, 6);

                string firststring = total.Substring(0, 2);

                string secondstring = total.Substring(2, 2);

                string thirdstring = total.Substring(4, 2);

                 newstring = thirdstring + secondstring + firststring;

                while ("0" == newstring[0].ToString())

                {

                    newstring = newstring.Remove(0, 1);

                    Console.WriteLine(newstring);

                }

                int wages = Convert.ToInt32(newstring, 16) / 1000;

                txtwage.Text = wages.ToString();

                isfinish = true;

                toolStripStatusLabel1.Text = "查找成功";

                fs.Close();

        }



        private void btnedit_Click(object sender, EventArgs e)

        {//18a88

            //888a01

            string getwage = Convert.ToString(int.Parse(txtwage.Text.Trim()) * 1000, 16);

            string firststring1;

            string secondstring1;

            string thirdstring1;

            string newstring1="";



            switch (getwage.Length) { 

                case 7:

                    MessageBox.Show("数值太大", "发生错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);

                    break;

                case 6:

                     firststring1 = getwage.Substring(0, 2);

                    secondstring1 = getwage.Substring(2, 2);

                     thirdstring1 = getwage.Substring(4, 2);

                     newstring1 = thirdstring1 + secondstring1 + firststring1;

                    break;

                case 5:

                    getwage = "0" + getwage;

                     firststring1 = getwage.Substring(0, 2);

                     secondstring1 = getwage.Substring(2, 2);

                     thirdstring1 = getwage.Substring(4, 2);

                     newstring1 = thirdstring1 + secondstring1 + firststring1;

                    break;

                case 4:

                    getwage = getwage + "00";

                     firststring1 = getwage.Substring(0, 2);

                     secondstring1 = getwage.Substring(2, 2);

                     thirdstring1 = getwage.Substring(4, 2);

                     newstring1 = thirdstring1 + secondstring1 + firststring1;

                    break;

                default:

                    MessageBox.Show("地址错误", "发生错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);

                    break;

            }

            st.Replace(newstring1, newstring);

            byte[] info = Encoding.Unicode.GetBytes(st);

            FileStream fs1 = File.Open(txtpath.Text, FileMode.Truncate);

            BinaryWriter bitwter = new BinaryWriter(fs1);

            fs1.Write(info, 0, info.Length);

            fs1.Close();

            bitwter.Close();

        }

    }

}

补充：.NET技术 ,  C#

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