把密码信息加密后保存起来
下次读这个文件 就好了
写了个范例
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
namespace Test
{
[Serializable]
public class Config
{
private static object objLock = new object();
private const string CONFIG_FILE = "Config.dat";
private static Config instance = new Config();
private Config() { }
private string _name;
private string _pwd;
public static string UserName
{
set { instance._name = value; }
get { return instance._name; }
}
/// <summary>
/// 密码 (加密)
/// </summary>
public static string UserPwd
{
set { instance._pwd = value; }
get { return instance._pwd; }
}
private void Serialize()
{
try
{
FileStream fileStream = new FileStream(AppDomain.CurrentDomain.BaseDirectory + CONFIG_FILE, FileMode.OpenOrCreate, FileAccess.ReadWrite);
BinaryFormatter b = new BinaryFormatter();
b.Serialize(fileStream, this);
fileStream.Close();
}
catch (Exception ex)
{
}
}
private bool UnSerialize()
{
try
{
if (File.Exists(AppDomain.CurrentDomain.BaseDirectory + CONFIG_FILE))
{
FileStream fileStream = new FileStream(AppDomain.CurrentDomain.BaseDirectory + CONFIG_FILE, FileMode.Open, FileAccess.Read, FileShare.Read);
BinaryFormatter b = new BinaryFormatter();
Config c = (Config)b.Deserialize(fileStream);
this._name = c._name;
this._pwd = c._pwd;
fileStream.Close();
return true;
}
}
catch (Exception ex)
{
}
return false;
}
/// <summary>
/// 保存系统设定
/// </summary>
public static void Save()
{
instance.Serialize();
}
/// <summary>
/// 载入系统初始化设定
/// </summary>
public static void Load()
{
if (!instance.UnSerialize())
{
instance._name = string.Empty;
instance._pwd = string.Empty;
instance.Serialize();
}
instance.UnSerialize();
}
}
}
// 保存
Config.UserName = "Leon382";
Config.UserPwd="**********"
Config.Save();
// 取用
Config.Load();
string pwd=Config.UserPwd;
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