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/*using System;
using System.IO;
class Program
{
static void Main(string[] args)
{
while (true)
{
Console.WriteLine("Optionen:");
Console.WriteLine("1. Verschlüsseln");
Console.WriteLine("2. Entschlüsseln");
Console.WriteLine("3. Beenden");
string choice = Console.ReadLine();
switch (choice)
{
case "1":
EFile();
break;
case "2":
DFile();
break;
case "3":
return;
default:
Console.WriteLine("");
break;
}
}
}
static void EFile()
{
try
{
using (StreamReader reader = new StreamReader("C:\\Users\\abmoradi\\source\\repos\\App\\App\\text.txt"))
using (StreamWriter writer1 = new StreamWriter("C:\\Users\\abmoradi\\source\\repos\\App\\App\\teil1.txt"))
using (StreamWriter writer2 = new StreamWriter("C:\\Users\\abmoradi\\source\\repos\\App\\App\\teil2.txt"))
{
bool smt = true;
while (!reader.EndOfStream)
{
int charValue = reader.Read();
if (smt)
{
writer1.Write((char)charValue);
Console.Write((char)charValue);
}
else
{
writer2.Write((char)charValue);
Console.Write((char)charValue);
}
smt = !smt;
}
}
}
catch (Exception e)
{
Console.WriteLine("Fehler Verschlüsselung: " + e.Message);
}
}
static void DFile()
{
try
{
using (StreamReader reader1 = new StreamReader("C:\\Users\\abmoradi\\source\\repos\\App\\App\\teil1.txt"))
using (StreamReader reader2 = new StreamReader("C:\\Users\\abmoradi\\source\\repos\\App\\App\\teil2.txt"))
using (StreamWriter writer = new StreamWriter("C:\\Users\\abmoradi\\source\\repos\\App\\App\\Klartext.txt"))
{
bool smt= true;
while (!reader1.EndOfStream || !reader2.EndOfStream)
{
if (smt && !reader1.EndOfStream)
{
writer.Write((char)reader1.Read());
}
else if (!smt && !reader2.EndOfStream)
{
writer.Write((char)reader2.Read());
}
smt = !smt;
}
}
}
catch (Exception e)
{
Console.WriteLine("Fehler Entschlüsselung: " + e.Message);
}
}
}*/
using System;
using System.Collections.Generic;
using System.IO;
class Adresse
{
public string Nachname { get; set; }
public string Vorname { get; set; }
public string Strasse { get; set; }
public string Plz { get; set; }
public string Ort { get; set; }
public Adresse(string nachname, string vorname, string strasse, string plz, string ort)
{
Nachname = nachname;
Vorname = vorname;
Strasse = strasse;
Plz = plz;
Ort = ort;
}
public override string ToString()
{
return $"{Nachname};{Vorname};{Strasse};{Plz};{Ort}";
}
public static Adresse FromString(string csvLine)
{
var parts = csvLine.Split(';');
if (parts.Length >= 5)
{
return new Adresse(parts[0], parts[1], parts[2], parts[3], parts[4]);
}
return null;
}
}
class Adressverwaltung
{
private List<Adresse> adressen = new List<Adresse>();
private const string Dateiname = "C:\\Users\\abmoradi\\source\\repos\\App\\App\\Adressen.txt";
public Adressverwaltung()
{
LadeAdressen();
}
public void NeueAdresse()
{
Console.Write("Nachname: ");
string nachname = Console.ReadLine();
Console.Write("Vorname: ");
string vorname = Console.ReadLine();
Console.Write("Strasse: ");
string strasse = Console.ReadLine();
Console.Write("PLZ: ");
string plz = Console.ReadLine();
Console.Write("Ort: ");
string ort = Console.ReadLine();
Adresse adresse = new Adresse(nachname, vorname, strasse, plz, ort);
adressen.Add(adresse);
}
public void AdressenAnsehen()
{
for (int i = 0; i < adressen.Count; i++)
{
Console.WriteLine($"<{i + 1}> {adressen[i]}");
}
}
public void AdresseAendern()
{
AdressenAnsehen();
Console.Write("welche Adresse ändern? (Nummer eingeben): ");
if (int.TryParse(Console.ReadLine(), out int index) && index > 0 && index <= adressen.Count)
{
Adresse adresse = adressen[index - 1];
Console.WriteLine("Bitte neue Daten eingeben: ");
Console.Write($"Nachname ({adresse.Nachname}): ");
string nachname = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(nachname)) adresse.Nachname = nachname;
Console.Write($"Vorname ({adresse.Vorname}): ");
string vorname = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(vorname)) adresse.Vorname = vorname;
Console.Write($"Strasse ({adresse.Strasse}): ");
string strasse = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(strasse)) adresse.Strasse = strasse;
Console.Write($"PLZ ({adresse.Plz}): ");
string plz = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(plz)) adresse.Plz = plz;
Console.Write($"Ort ({adresse.Ort}): ");
string ort = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(ort)) adresse.Ort = ort;
}
else
{
Console.WriteLine("Ungültige Nummer!");
}
}
public void Beenden()
{
SpeichereAdressen();
Console.WriteLine("Programm wird beendet");
}
private void LadeAdressen()
{
if (File.Exists(Dateiname))
{
string[] lines = File.ReadAllLines(Dateiname);
foreach (string line in lines)
{
Adresse adresse = Adresse.FromString(line);
if (adresse != null)
{
adressen.Add(adresse);
}
}
}
else
{
Console.WriteLine("Keine Datei.");
}
}
private void SpeichereAdressen()
{
List<string> lines = new List<string>();
foreach (var adresse in adressen)
{
lines.Add(adresse.ToString());
}
File.WriteAllLines(Dateiname, lines);
}
public void Hauptmenu()
{
int wahl = 0;
while (wahl != 4)
{
Console.WriteLine("Adressverwaltung");
Console.WriteLine("Optionen:");
Console.WriteLine("1 Neue Adresse anlegen");
Console.WriteLine("2 Adressen ansehen");
Console.WriteLine("3 Adresse ändern");
Console.WriteLine("4 Beenden");
if (int.TryParse(Console.ReadLine(), out wahl))
{
switch (wahl)
{
case 1:
NeueAdresse();
break;
case 2:
AdressenAnsehen();
break;
case 3:
AdresseAendern();
break;
case 4:
Beenden();
break;
default:
Console.WriteLine("Ungültig");
break;
}
}
else
{
Console.WriteLine("eine Zahl eingeben.");
}
}
}
}
class Program
{
static void Main(string[] args)
{
Adressverwaltung verwaltung = new Adressverwaltung();
verwaltung.Hauptmenu();
}
}
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