public void Close()
{
if (tr != null)
{
tr.Close();
}
if (tw != null)
{
tw.Close();
}
tr = null;
tw = null;
}
/// <summary>
/// 通过密钥对文本进行加密
/// </summary>
/// <param name="str"></param>
/// <param name="SecretKey">密钥</param>
/// <param name="SingleLine">True：单行；False：所有</param>
/// <param name="Standard">是否使用标准方式</param>
/// <returns>加密后的文本</returns>
public static string Encrypt(this string str, string SecretKey, bool SingleLine = true, bool Standard = false)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
if (Standard)
{
des.Mode = CipherMode.ECB;
des.Padding = PaddingMode.Zeros;
}
des.Key = SecretKey.ToMD5().Substring(0, 0x08).ToBytes();
des.IV = SecretKey.ToMD5().Substring(0, 0x08).ToBytes();
global::System.IO.MemoryStream ms = new global::System.IO.MemoryStream();
CryptoStream encStream = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
global::System.IO.StreamWriter sw = new global::System.IO.StreamWriter(encStream);
if (SingleLine)
sw.WriteLine(str);
else
sw.Write(str);
sw.Close();
encStream.Close();
byte[] buffer = ms.ToArray();
ms.Close();
StringBuilder hash = new StringBuilder();
foreach (byte b in buffer.ToArray())
{
hash.AppendFormat("{0:X2}", b);
}
return hash.ToString();
}
public bool Replace(string line, string to)
{
if (tw == null)
{
return(false);
}
try
{
FileInfo fi = new FileInfo(_path);
fi.CopyTo(_path + ".tmp");
tw.Close();
tw = new StreamWriter(_path, false);
StreamReader sr = new StreamReader(_path + ".tmp");
string l, id = "";
while ((l = sr.ReadLine()) != null)
{
int pos = l.IndexOf(":");
if (pos != -1)
{
id = l.Substring(0, pos);
l = l.Substring(pos + 1, l.Length - pos - 1);
}
if (l == line)
{
tw.WriteLine(id + ":" + to);
}
else
{
tw.WriteLine(id + ":" + l);
}
}
sr.Close();
tw.Close();
fi = new FileInfo(_path + ".tmp");
fi.Delete();
tw = new StreamWriter(_path, true);
return(true);
}
catch
{
return(false);
}
}
public bool ReplaceHoleLine(string line, string to)
{
if (tw == null)
{
return(false);
}
try
{
bool ret = false;
FileInfo fi = new FileInfo(_path);
fi.CopyTo(_path + ".tmp");
tw.Close();
tw = new StreamWriter(_path, false);
StreamReader sr = new StreamReader(_path + ".tmp");
string l;
while ((l = sr.ReadLine()) != null)
{
if (l == line)
{
tw.WriteLine(to);
ret = true;
}
else
{
tw.WriteLine(l);
}
}
sr.Close();
tw.Close();
fi = new FileInfo(_path + ".tmp");
fi.Delete();
tw = new StreamWriter(_path, true);
return(ret);
}
catch
{
return(false);
}
}
private static void menuCommonLVExportToTextFile_Click(
object sender,
EventArgs e)
{
var lvCtx = GetCommonLVContext(sender);
if (lvCtx == null)
return;
var lv = lvCtx.lv;
string fn = Dialogs.FileSysDialogs.BrowseFile(
lvCtx.options.ExportDefaultDirectory?? Path.GetDirectoryName((new FileInfo(global::System.Reflection.Assembly.GetExecutingAssembly().Location)).FullName),
"",
lvCtx.options.ExportDefaultExtensions,
lvCtx.options.ExportDefaultFilter,
true);
if (string.IsNullOrEmpty(fn))
return;
using (TextWriter Out = new global::System.IO.StreamWriter(fn, false))
{
// Write column header
foreach (MSWinForms.ColumnHeader Cur in lv.Columns)
{
Out.Write("\"" + Cur.Text + "\"");
Out.Write(lvCtx.options.CopyItemsSeparator);
}
Out.WriteLine();
foreach (MSWinForms.ListViewItem Item in lv.Items)
Out.WriteLine(Item.GetItemsString());
Out.Close();
}
}
