Qt下拷贝文件夹的函数

时间:2022-09-22 19:12:44

qCopyDirectory -- 拷贝目录 fromDir : 源目录 toDir : 目标目录 bCoverIfFileExists : ture:同名时覆盖 false:同名时返回false,终止拷贝 返回: ture拷贝成功 false:拷贝未完成 */

 bool qCopyDirectory(const QDir& fromDir, const QDir& toDir, bool bCoverIfFileExists)

{       QDir formDir_ = fromDir;

        QDir toDir_ = toDir;

        if(!toDir_.exists())

        {

             if(!toDir_.mkdir(toDir.absolutePath()))

                    return false;

         }

       QFileInfoList fileInfoList = formDir_.entryInfoList();

       foreach(QFileInfo fileInfo, fileInfoList)

       {

              if(fileInfo.fileName() == "." || fileInfo.fileName() == "..")

                    continue; //拷贝子目录

             if(fileInfo.isDir())

             { //递归调用拷贝

                    if(!qCopyDirectory(fileInfo.filePath(), toDir_.filePath(fileInfo.fileName())))

                                return false; } //拷贝子文件

                    else

                       {

                           if(bCoverIfFileExists && toDir_.exists(fileInfo.fileName()))

                          {

                                 toDir_.remove(fileInfo.fileName());

                          }

                         if(!QFile::copy(fileInfo.filePath(), toDir_.filePath(fileInfo.fileName())))

                          {

                                   return false;

                          }

                     }

           }

           return true;

 }