在Qt中使用QDirIterator时过滤/排除目录

Question

我想知道在使用QDirIterator时是否可以排除/过滤目录。我希望它跳过它/完全忽略它。

        QString SkipThisDir = "C:\stuff";

        QDirIterator CPath(PathToCopyFrom,  QDir::AllEntries | QDir::NoSymLinks, QDirIterator::Subdirectories );


            while(CPath.hasNext())
            {
                CPath.next();
                //DoSometing
            }

Answer 1

我没有在QDirIterator的API中看到任何符合您需要的内容。但是，下面这么简单的事情就可以了。

while (CPath.hasNext())
{
    if (CPath.next() == SkipThisDir)
        continue;
    //DoSomething
}

Answer 2

首先，您必须向SkipThisDir添加一个反斜杠才能逃脱它。

Second you could do a check at the beginning of the while loop and if the current folder is the one you want to skip you could continue to the next directory.

QString SkipThisDir = "C:\\stuff";

QDirIterator CPath(PathToCopyFrom,  QDir::AllEntries | QDir::NoSymLinks, 
                   QDirIterator::Subdirectories );


while(CPath.hasNext())
{
    QString currentDir = CPath.next();
    if (currentDir == SkipThisDir)
         continue; 
    //DoSometing
}