文件操作dlg.cpp

文件处理器

    //int iBytesRead; //临时变量
    char *pszBuffer;//临时变量
    long buf1;//文件缓冲区变量2
	int buf;
	int num;

	if(choose==1)
	   buf=OnEditchangeCombo1() ;
	if(choose==2)
      buf=OnChangeEdit3() ;

	CString list,list1;//为最后的输出作准备
    CFile File;
    CString b;
    char c=92;
    b.Format("%c",c);//得到"\"
	if(ss==1)
	{//MessageBox(m_pEdit2);
	
		 if((m_edit1 =="")||(m_edit1 =="*.*"))
       {
			 MessageBox("请选择要分割的文件");
			return ;
		}
	 if(m_edit2==""||m_edit2=="\\")
		{
		 MessageBox("请选择分割后的文件存储路径");
		 return;
	    
		}
	if(buf<=0.0)
		{   
		MessageBox("请选择要分割成文件的大小");
	    return;
		}   
	// TODO: Add your control notification handler code here	
		 buf1=buf*1024L;//把缓冲区转化为字节
		 File.Open(filename1,CFile::modeRead);//打开文件句柄
		 FileLength=File.Seek(0L,CFile::end);//测试文件长度
		 num=FileLength/buf1+1;//计算分割的文件个数
         m_progress.SetRange(0,num);//////////////////////////////////
         
         File.Close();//关闭文件
       if (FileLength<=buf1)
			{
		     
			 MessageBox("文件小于要分割的大小，不用分割!");
		     
    
			 return;}
       int i;
	  
	    pszBuffer=new char [buf1];
	    int temp=buf1;
		
        OnChangeEdit4(num);
		OnChangeEdit5(FileLength);
	
		for (i=1;i<=num;i++)
			{
			 if (i==num) 
				{pszBuffer=new char[FileLength-buf1*(num-1)];
			     temp=FileLength-buf1*(num-1);
				}
	         
			 
			 
			 
			File.Open(m_edit1 ,CFile::modeRead|CFile::shareExclusive|CFile::typeBinary);//打开文件句柄 
            File.Seek(buf1*(i-1),CFile::begin);//定位读文件位置
            File.Read(pszBuffer,temp);
             
           
             File.Close();//关闭源文件
             CString str_num;
	         str_num.Format("%d",i);
             CString Path;
             CString Cut=".Cut";
	        Path=m_edit2+b+filename1+Cut+str_num;
			  
			 CString str_unm1;
			 str_unm1.Format("%d",temp/1024);
			 CString c="     ";
			 
			 list=Path+c+str_unm1+"KB"+c;
			 list1+=list+"\r\n";
			 File.Open(Path,CFile::modeWrite|CFile::shareExclusive|CFile::typeBinary|CFile::modeCreate);//|CFile::modeNoInherit);
	         File.Write(pszBuffer,temp);
	         m_progress.SetPos(i);////////////////////////////////////
             File.Close();//关闭目标文件
			}


	MessageBox("恭喜文件分割完成!");
 

	
	}

	else if(ss==2)
	{
		int joinnum;//计算文件合成的个数 
   CString Path1,Path2;
   if((m_edit1 =="")||(m_edit1 =="*.*"))
       {MessageBox("请选择要合成的文件");
			return ;
		}
	 if(m_edit2==""||m_edit2=="\\")
		{MessageBox("请选择合成后的文件存储路径");
		 return;

		}
	
   Path1=m_edit1 ;
   Path1.Delete(Path1.GetLength()-1,1);//在此得到合并文件路径去掉了最后编号
   

    CString Path4;
    Path2=filename1;
    Path2.Delete(filename1.GetLength()-1,1);//在此得到合并文件路径去掉了最后编号


    Path4=m_edit2+b+Path2;
	Path4.Delete(Path4.GetLength()-4,4);
    
    for(joinnum=1;;joinnum++)
		{ CString str_num1;
	      str_num1.Format("%d",joinnum);
		  
          CString Path3;
	      Path3=Path1+str_num1;
          if(File.Open(Path3,CFile::modeRead|CFile::shareExclusive|CFile::typeBinary)==NULL)//打开要合并文件句柄
		  break;
          File.Close();
		}
   joinnum--;
   num=joinnum;
   m_progress.SetRange(0,num);
   
  
 
   int j;
  long int d=0;
   long int FileLength3=0;//统计所有文件大小
   for(j=1;j<=joinnum;j++)

		 {
	      CString str_num2;
	      str_num2.Format("%d",j);
	   
	      long int FileLength2;//每个文件大小
		  
          CString Path3;
	      Path3=Path1+str_num2;
          
		  
          
		  File.Open(Path3,CFile::modeRead|CFile::shareExclusive|CFile::typeBinary);
          FileLength2=File.Seek(0L,CFile::end);//查找文件长度，开始写文件
		  d+=FileLength2;
           CString str_unm1;
			 str_unm1.Format("%d",FileLength2/1024);
			 CString c="     ";
			 
			 list=Path3+c+str_unm1+"KB"+c;
			 list1+=list+"\r\n";

		  OnChangeEdit4(joinnum);
		  

          
		  File.SeekToBegin();
		  pszBuffer=new char [FileLength2];
          File.Read(pszBuffer,FileLength2);
		  File.Close();
		  File.Open(Path4,CFile::modeWrite|CFile::shareExclusive|CFile::typeBinary|CFile::modeCreate|CFile::modeNoTruncate);
	       
          File.SeekToEnd();//查找文件长度
          File.Write(pszBuffer,FileLength2);
          File.Close();
   
   } 
   OnChangeEdit5(d);
  	MessageBox("恭喜文件合成完成!");
   }
		OnChangeEdit6(list1);
		
   if(ss==3)
   {CString b;
    char c=92;
    b.Format("%c",c);//得到"\"
	char *data;
	 CFile *file;
	 DWORD flen;
	 CString ppass1; 
	 __int64 m_password;
	 
	 OnChangeEdit8();////////////////////////////////////////////////////////////
	 	if(m_pass=="")
       {MessageBox("请输入加密文件的密码", "",MB_OK | MB_ICONEXCLAMATION); 
			return ;
		}
	 if(m_pass1=="")
       {MessageBox("请确认加密文件的密码", "",MB_OK | MB_ICONEXCLAMATION); 
			return ;
		}
	if(m_pass!=passwordcheck)
	 { MessageBox("密码确认错误重新确认或者退出", "",MB_OK | MB_ICONEXCLAMATION); 
	   //m_Radio4.SetCheck(0);
	   //m_Radio5.SetCheck(1);
	   return ;
	 }

	m_password=epass();//密码初始化

	file = new CFile;
	if ( !file->Open(m_edit1, CFile::shareDenyNone|CFile::modeReadWrite))
	{
		return ;
	}
    
	CString patch;
	CFile File;
	patch=m_edit2+b+filename1;
	flen=file->GetLength();
	data = new char[(int)flen];//为文件分配内存
    file->SeekToBegin();
	file->Read(data,flen);
    file->Close();
	
	
	
	
	file->Open(m_edit2+b+filename1, CFile::shareDenyNone|CFile::modeReadWrite|CFile::modeCreate);

    if(!file)
	{MessageBox("文件创建错误，操作退出!", "",MB_OK | MB_ICONEXCLAMATION); 
	 return;
	}

   
        //这里把文件的所有字节都进行加密了
	for(DWORD i=0; i<flen; i++)
	{
		data[i] ^= m_password;
		data[i] ^= flen;  //因为每次加密后文件的大小都会增加5字节,所以如果两次用同一密码进行加密也没关系
	   
	}
    
	file->SeekToBegin();
	file->Write(data, flen);
	delete[] data;                          //先释放内存

	//添加密码验证信息
	char cpass[15];
	for(int j=0;j<15;j++)
	{cpass[j]=1;
	}
    
	char *a=NULL;
	int length;
	length=m_pass.GetLength();
	a=m_pass.GetBuffer(length);
	for(j=0;j<length;j++,a++)
	{cpass[j]=*a;
	}
	file->SeekToEnd();
	file->Write(&cpass,15);        //在文件尾添加密码严整部分,,这样文件就会增加5字节
	file->Close();
	delete file;
	
	MessageBox("恭喜加密已经成功");
    return ;
	
	}

 if(ss==4)
   {char *data;
	CFile *file;
	DWORD flen;
	char love[15];
	__int64 m_password;

	file = new CFile;
	if( !file->Open(m_edit1, CFile::shareDenyNone|CFile::modeReadWrite))
	{
		return ;
	}

	flen = file->GetLength();
	data = new char[(int)flen];

	//检验密码是不是正确
	file->Seek(-15, CFile::end);
	file->Read(&love, 15);
    m_password=epass();

	char cpass[15];
    for(int j=0;j<15;j++)
	{cpass[j]=1;
	}
	char *a=NULL;
	int length;
	length=m_pass.GetLength();
	a=m_pass.GetBuffer(length);
	for( j=0;j<length;j++,a++)
	{cpass[j]=*a;
	}
	
	for(j=0;j<15;j++)
		{if(cpass[j]!=love[j])
			{  
				MessageBox("解密密码错误，重新输入密码或者退出!", "",MB_OK | MB_ICONEXCLAMATION); 
				return ;
			}
		}

	//解密
	CString patch;
	CFile File;
	patch=m_edit2+b+filename1;
	file->SeekToBegin();
	file->Read(data, flen);
      
	for(j=0; j<(int)flen; j++)
	{
		data[j] += m_password;
		data[j] += (flen-15);
	//	m_pProgress.SetPos(j/1024);
	}
;
   file->Close();
   file->Open(m_edit2+b+filename1, CFile::shareDenyNone|CFile::modeReadWrite|CFile::modeCreate);

    if(!file)
	{MessageBox("文件创建错误，操作退出!");
	 return;
	}


	file->SeekToBegin();
	file->Write(data, flen);
	file->SetLength(flen-15);     //删除加密是添加的密码验证部分
	file->Close();

	delete[] data;
	delete file;
	
	MessageBox("恭喜文件解密完成!");
	
	return ;





   }
}

void CMyDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void CMyDlg::OnButton4() 
{
	// TODO: Add your control notification handler code here
	CAboutDlg j;
	j.DoModal();
}

void CMyDlg::OnRadio6() 
{
	// TODO: Add your control notification handler code here
	ss=3;
}

void CMyDlg::OnRadio7() 
{
	// TODO: Add your control notification handler code here
	ss=4;
}
__int64 CMyDlg::epass()
{
	DWORD plen;
	char *ppass;
	__int64 mc= 8757735233301;
	UpdateData(TRUE);
	ppass = m_pass.GetBuffer(0);

	plen = strlen(ppass);

	for(int i=0; i<(int)plen; i++)
	{
		mc -= ppass[i]|128;
	}
	return mc;
}

void CMyDlg::OnChangeEdit8() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	int length;
	length=m_pass1.GetLength();
	passwordcheck=m_pass1.GetBuffer(length);
}

void CMyDlg::OnChangeEdit7() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	
}