/// <summary>
/// 转换成加密字符串。
/// </summary>
/// <param name="des">表示是否需要加密。</param>
/// <returns></returns>
public string ToDESString(bool des)
{
string s = string.Format("{0},{1},{2},{3},{4}", dataSource, initialCatalog, userID, password, trustedConnection);
//des为真则加密。
return(des ? DESCrypto.Encrypt(s) : s);
}
/// <summary>
/// 从ini文件中读取。
/// </summary>
/// <param name="ia"></param>
public void LoadFromIni(IniAccess ia)
{
string v = ia.ReadValue(FullName);
if (NeedCrypto && v != null && v.Length > 0)
{
v = DESCrypto.Decrypt(v);
}
SetValue(v);
}
/// <summary>
/// 保存至Ini文件。
/// </summary>
/// <param name="ia"></param>
public void SaveToIni(IniAccess ia)
{
if (NeedSave)
{
string s = GetValue();
if (NeedCrypto)
{
s = DESCrypto.Encrypt(s);
}
ia.WriteValue(FullName, s);
}
}
/// <summary>
/// 从指定加密的文件中加载数据。
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public bool LoadDesString(string path)
{
try
{
string data = FileHelper.LoadFromFile(path);
if (data == null)
{
return(false);
}
data = DESCrypto.Decrypt(data);
LoadDataFromString(data);
}
catch { return(false); }
return(true);
}
/// <summary>
/// 对字符串进行解密。
/// </summary>
/// <param name="s"></param>
/// <param name="des">表示是否需要解密。</param>
public static SQLConnection FromDesString(string s, bool des)
{
SQLConnection cn = new SQLConnection();
try
{
s = des ? DESCrypto.Decrypt(s) : s;
string[] data = s.Split(',');
cn.dataSource = data[0];
cn.initialCatalog = data[1];
cn.userID = data[2];
cn.password = data[3];
cn.trustedConnection = bool.Parse(data[4]);
}
catch { cn = null; }
return(cn);
}
/// <summary>
/// 将连接字符串保存到INI文件中。用户名密码会自动加密。
/// </summary>
/// <param name="iniPath"></param>
/// <returns></returns>
public bool SaveToIni(string iniPath)
{
try
{
IniAccess.CreateFile(iniPath);
IniAccess ia = new IniAccess(iniPath);
ia.Section = "System";
ia.WriteValue("DataSource", DataSource);
ia.WriteValue("InitialCatalog", InitialCatalog);
ia.WriteValue("UserID", DESCrypto.Encrypt(UserID));
ia.WriteValue("Password", DESCrypto.Encrypt(Password));
ia.WriteValue("TrustedConnection", TrustedConnection.ToString());
}
catch (Exception e1)
{
Console.WriteLine(e1.Message);
return(false);
}
return(true);
}
/// <summary>
/// 从给定的INI文件中读取连接字符串。用户名密码会自动加密。
/// </summary>
/// <param name="iniPath"></param>
/// <returns></returns>
public bool LoadFromIni(string iniPath)
{
try
{
IniAccess ia = new IniAccess(iniPath);
ia.Section = "System";
DataSource = ia.ReadValue("DataSource");
InitialCatalog = ia.ReadValue("InitialCatalog");
UserID = ia.ReadValue("UserID");
Password = ia.ReadValue("Password");
UserID = DESCrypto.Decrypt(UserID);
Password = DESCrypto.Decrypt(Password);
string s = ia.ReadValue("TrustedConnection");
if (s != null && s.Length > 0)
{
trustedConnection = bool.Parse(s);
}
}
catch { return(false); }
return(true);
}
