//-------------------------------------------------------------------------------------
//?All?Rights?Reserved??Copyright?（C）?2015??ZTO??Ltd?.
//-------------------------------------------------------------------------------------

using?System;
using?System.Diagnostics;
using?System.IO;
using?System.Text.Regularexpressions;

namespace?ZTO.WayBill.Utilities
{
????///?

????///?文件幫助類
????///
????///?修改紀錄
????///
????///		??2015-6-5??版本：1.0?YangHengLian?創建主鍵，注意命名空間的排序。
????///?
????///?版本：1.0
????///
????///?
????///		YangHengLian
????///		2015-6-5
????///?
????///?

????public?class?FileHelper
????{
????????///?

????????///?強力粉碎文件，文件如果被打開，很難粉碎
????????///?

????????///?文件全路徑
????????///?刪除次數
????????///?隨機數據填充文件，默認true
????????///?空白填充文件，默認false
????????///?true：粉碎成功，false：粉碎失敗
????????public?static?bool?KillFile（string?filename?int?deleteCount?bool?randomData?=?true?bool?blanks?=?false）
????????{
????????????const?int?bufferLength?=?1024000;
????????????bool?ret?=?true;
????????????try
????????????{
????????????????using?（FileStream?stream?=?new?FileStream（filename?FileMode.Open?FileAccess.ReadWrite?FileShare.ReadWrite））
????????????????{
????????????????????FileInfo?f?=?new?FileInfo（filename）;
????????????????????long?count?=?f.Length;
????????????????????long?offset?=?0;
????????????????????var?rowDataBuffer?=?new?byte[bufferLength];
????????????????????while?（count?>=?0）
????????????????????{
????????????????????????int?iNumOfDataRead?=?stream.Read（rowDataBuffer?0?bufferLength）;
????????????????????????if?（iNumOfDataRead?==?0）
????????????????????????{
????????????????????????????break;
????????????????????????}
????????????????????????if?（randomData）
????????????????????????{
????????????????????????????Random?randombyte?=?new?Random（）;
????????????????????????????randombyte.NextBytes（rowDataBuffer）;
????????????????????????}
????????????????????????else?if?（blanks）
????????????????????????{
????????????????????????????for?（int?i?=?0;?i?????????????????????????????????rowDataBuffer[i]?=?0;
????????????????????????}
????????????????????????else
????????????????????????{
????????????????????????????for?（int?i?=?0;?i?????????????????????????????????rowDataBuffer[i]?=?Convert.ToByte（Convert.ToChar（deleteCount））;
????????????????????????}
????????????????????????//?寫新內容到文件。
????????????????????????for?（int?i?=?0;?i?????????????????????????{
????????????????????????????stream.Seek（offset?SeekOrigin.Begin）;
????????????????????????????stream.Write（rowDataBuffer?0?iNumOfDataRead）;
????????????????????????}
????????????????????????offset?+=?iNumOfDataRead;
??????????????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????161??2015-06-05?13:06??FileKiller\app.config

?????文件???????3126??2009-11-22?19:43??FileKiller\BAT.bmp

?????文件????????766??2009-11-22?03:48??FileKiller\BAT.ICO

?????文件????????366??2009-11-23?00:50??FileKiller\BAT.png

?????文件??????35821??2009-11-22?19:09??FileKiller\bin\Release\COPYING

?????文件??????24576??2015-06-05?13:08??FileKiller\bin\Release\FileKiller.exe

?????文件????????161??2015-06-05?13:06??FileKiller\bin\Release\FileKiller.exe.config

?????文件??????42496??2015-06-05?13:08??FileKiller\bin\Release\FileKiller.pdb

?????文件??????24216??2015-06-05?13:06??FileKiller\bin\Release\FileKiller.vshost.exe

?????文件????????161??2015-06-05?13:06??FileKiller\bin\Release\FileKiller.vshost.exe.config

?????文件????????490??2012-06-06?02:06??FileKiller\bin\Release\FileKiller.vshost.exe.manifest

?????文件??????75070??2009-11-24?04:46??FileKiller\bin\Release\fk_scrshot1.PNG

?????文件?????462936??2013-01-22?23:12??FileKiller\bin\Release\handle.exe

?????文件???????5424??2015-06-05?13:03??FileKiller\FileHelper.cs

?????文件???????6315??2015-06-05?13:07??FileKiller\FileKiller.csproj

?????文件????????452??2014-06-27?20:58??FileKiller\FileKiller.csproj.user

?????文件????????909??2014-06-27?20:58??FileKiller\FileKiller.sln

????..A..H.?????25600??2014-09-02?08:59??FileKiller\FileKiller.suo

????..A..H.?????54272??2015-06-05?13:07??FileKiller\FileKiller.v12.suo

?????文件???????3953??2015-06-05?13:06??FileKiller\frmMain.cs

?????文件??????19548??2015-06-05?12:26??FileKiller\frmMain.Designer.cs

?????文件???????7868??2015-06-05?12:26??FileKiller\frmMain.resx

?????文件???????1087??2015-06-05?13:06??FileKiller\obj\Release\DesignTimeResolveAssemblyReferences.cache

?????文件???????7487??2015-06-05?13:06??FileKiller\obj\Release\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????2682??2015-06-05?13:06??FileKiller\obj\Release\FileKiller.csproj.FileListAbsolute.txt

?????文件????????906??2015-06-05?13:08??FileKiller\obj\Release\FileKiller.csproj.GenerateResource.Cache

?????文件???????3250??2015-06-05?13:08??FileKiller\obj\Release\FileKiller.csprojResolveAssemblyReference.cache

?????文件??????24576??2015-06-05?13:08??FileKiller\obj\Release\FileKiller.exe

?????文件???????1332??2015-06-05?13:08??FileKiller\obj\Release\FileKiller.frmMain.resources

?????文件??????42496??2015-06-05?13:08??FileKiller\obj\Release\FileKiller.pdb

............此處省略18個文件信息