QString sharedFolderPathImg = "\\\\"+ IP +"/profileImage/"; // 更换为你的共享文件夹路径
 QDir dirImg(sharedFolderPathImg);
 dirImg.setFilter(QDir::NoDotAndDotDot | QDir::AllEntries);
 QVector<QString> curFileEntryArrayImg = dirImg.entryList().toVector();
 for (auto filename : curFileEntryArrayImg)
 {
     QFile sharedFile(sharedFolderPathImg + filename);
     QFile oldFile("C:/chenhe/profileImage/" + filename);
     if (oldFile.exists()) {
         oldFile.remove();
     }
     //qDebug() << filename;
     sharedFile.copy("C:/chenhe/profileImage/"+ filename);
 }

]