Question

using System;
public class ReadWriteTxt // Read and write to/from text files
{
    public static string cipherTxt()
    {
        return System.IO.File.ReadAllText(@"myfile1");
    }

    internal static void decipherTxt(string result)
    {
        System.IO.File.WriteAllText(@"myfile2", result);
    }
}

public class LetterArray 
{
    internal static string[] Alphabet()
    {
        var letterValues = new string[26];

        letterValues[0] = "A";
        letterValues[1] = "B";
        letterValues[2] = "C";
        letterValues[3] = "D";
        letterValues[4] = "E";
        letterValues[5] = "F";
        letterValues[6] = "G";
        letterValues[7] = "H";
        letterValues[8] = "I";
        letterValues[9] = "J";
        letterValues[10] = "K";
        letterValues[11] = "L";
        letterValues[12] = "M";
        letterValues[13] = "N";
        letterValues[14] = "O";
        letterValues[15] = "P";
        letterValues[16] = "Q";
        letterValues[17] = "R";
        letterValues[18] = "S";
        letterValues[19] = "T";
        letterValues[20] = "U";
        letterValues[21] = "V";
        letterValues[22] = "W";
        letterValues[23] = "X";
        letterValues[24] = "Y";
        letterValues[25] = "Z";

        return letterValues;
    }
}


public class Decipher
{
    public static void Main() //Main method
    {

        int res = 34;
        string[] letterValues = LetterArray.Alphabet();
        //Create for loop that runs through every possible shift value

        for (int shift = 0; shift <= 25; shift++)
        {
            Console.WriteLine("\nShift Value = " + shift + ": ");
            // For each character in the text file
            foreach (var ch in ReadWriteTxt.cipherTxt())
            {
                string result = string.Empty;

                if (ch == ' ')
                {
                }
                else 
                {
                    for (int i = 0; i <= 25; i++)
                    {
                        if ((ch.ToString().ToUpper()) == letterValues[i])
                        {
                            res = i;
                            if (shift > res)
                            {
                                // print results out
                                Console.Write(letterValues[26 - (shift - res)][0]);
                            }
                            else 
                            {
                                Console.Write(letterValues[res - shift][0]);
                            }
                        }
                    }
                    ReadWriteTxt.decipherTxt(result);
                }
            }
        }
    }
}

我正在使用Caesar Cipher程序解密从文件中读取的密文。它列出了整个字母表中的所有可能的变化。

我需要允许用户输入正确的＆＃39;移位值（例如，最接近解密文本应该翻译的那个）然后将相应的字符串写入文件。

最好的是什么？

P.S。我对C＃的理解有点基础所以请温柔地对待我;）。

如何让用户输入其中一个移位值，然后将相应的字符串输出到文本文件？

0 个答案: