打开文件对话框，多选与单选，检测文件是否存在

单选文件，

  
    

   
     
   
      1 
   
     char
   
      szCurrentWorkPath[
   
     256
   
     ] 
   
     =
   
      {
   
     0
   
     };

   
      2 
   
      GetCurrentDirectory(
   
     256
   
     , szCurrentWorkPath);

   
      3 
   
      CFileDialog dlg(TRUE);

   
      4 
   
      CString cszFileFullName;

   
      5 
   
      CString cszFileName;

   
      6 
   
      
   
     if
   
      (dlg.DoModal() 
   
     ==
   
      IDOK)

   
      7 
   
      {

   
      8 
   
      cszFileName 
   
     =
   
      dlg.GetFileName();

   
      9 
   
      cszFileFullName 
   
     =
   
      dlg.GetPathName();

   
     10 
   
      }

   
     11 
   
      
   
     else
   
     

   
     12 
   
      {

   
     13 
   
      
   
     return
   
      ;

   
     14 
   
      }

   
     15 
   
     

   
     16 
   
      SetCurrentDirectory(szCurrentWorkPath);
  
    

 

多选文件 并带过滤器

  
    

   
     
   
      1 
   
     void
   
      CAutomateSignDlg::OnFileAddguradfiles()

   
      2 
   
     {

   
      3 
   
      
   
     //
   
      TODO: Add your command handler code here
   
     

   
      4 
   
      
   
      
   
     char
   
      szCurrentWorkPath[
   
     256
   
     ] 
   
     =
   
      {
   
     0
   
     };

   
      5 
   
      GetCurrentDirectory(
   
     256
   
     , szCurrentWorkPath);

   
      6 
   
      CFileDialog dlg(TRUE,NULL,NULL, OFN_HIDEREADONLY
   
     |
   
      OFN_OVERWRITEPROMPT 
   
     |
   
      OFN_ALLOWMULTISELECT, 
   
     "
   
     Guard file or Zip file (*.grd;*.zip)|*.grd;*.zip|all Files (*.*)|*.*||
   
     "
   
     );

   
      7 
   
      
   
     if
   
      (IDOK 
   
     ==
   
      dlg.DoModal())

   
      8 
   
      {

   
      9 
   
      POSITION pos; 

   
     10 
   
      
   
     for
   
     (pos
   
     =
   
     dlg.GetStartPosition();pos;) 

   
     11 
   
      {

   
     12 
   
      CString str; 

   
     13 
   
      str
   
     =
   
     dlg.GetNextPathName(pos); 

   
     14 
   
      m_ListBoxGuradFiles.AddString(str); 
   
     //
   
     得到每个文件的路径 
   
     

   
     15 
   
      
   
      } 

   
     16 
   
      UpdateData(FALSE); 

   
     17 
   
      } 

   
     18 
   
     

   
     19 
   
      SetCurrentDirectory(szCurrentWorkPath);

   
     20 
   
     }
  
    

 

目录是否存在的检查：

  
    

   
     
   
      1 
   
     BOOL FolderExist(CString strPath)

   
      2 
   
     {

   
      3 
   
      WIN32_FIND_DATA wfd;

   
      4 
   
      BOOL rValue 
   
     =
   
      FALSE;

   
      5 
   
      HANDLE hFind 
   
     =
   
      FindFirstFile(strPath, 
   
     &
   
     wfd);

   
      6 
   
      
   
     if
   
      ((hFind 
   
     !=
   
      INVALID_HANDLE_VALUE) 
   
     &&
   
      (wfd.dwFileAttributes 
   
     &
   
      FILE_ATTRIBUTE_DIRECTORY))

   
      7 
   
      {

   
      8 
   
      rValue 
   
     =
   
      TRUE; 

   
      9 
   
      }

   
     10 
   
      FindClose(hFind);

   
     11 
   
      
   
     return
   
      rValule;

   
     12 
   
     }
  
    

 

文件存在性检查：

  
    

   
     
   
     1 
   
     BOOL FileExist(CString strFileName)

   
     2 
   
     {

   
     3 
   
      CFileFind fFind;

   
     4 
   
      
   
     return
   
      fFind.FindFile(strFileName); 

   
     5 
   
     }
  
    

 

创建目录：

 

  
    

   
     
   
     1 
   
     BOOL CreateFolder(CString strPath)

   
     2 
   
     {

   
     3 
   
      SECURITY_ATTRIBUTES attrib;

   
     4 
   
      attrib.bInheritHandle 
   
     =
   
      FALSE;

   
     5 
   
      attrib.lpSecurityDescriptor 
   
     =
   
      NULL;

   
     6 
   
      attrib.nLength 
   
     =
   
     sizeof
   
     (SECURITY_ATTRIBUTES);

   
     7 
   
      
   
     //
   
     上面定义的属性可以省略。 直接return ::CreateDirectory( path, NULL); 即可
   
     

   
     8 
   
      
   
      
   
     return
   
      ::CreateDirectory( strPath, 
   
     &
   
     attrib);

   
     9 
   
     }