QT 删除文件指定目录

 1 bool deleteDir(const QString &dirName)
 2 {
 3     QDir directory(dirName);
 4     if (!directory.exists())
 5     {
 6         return true;
 7     }
 8 
 9 
10     QString srcPath = QDir::toNativeSeparators(dirName);
11     if (!srcPath.endsWith(QDir::separator()))
12         srcPath += QDir::separator();
13 
14 
15     QStringList fileNames = directory.entryList(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::Hidden);
16     bool error = false;
17     for (QStringList::size_type i=0; i != fileNames.size(); ++i)
18     {
19         QString filePath = srcPath + fileNames.at(i);
20         QFileInfo fileInfo(filePath);
21         if (fileInfo.isFile() || fileInfo.isSymLink())
22         {
23             QFile::setPermissions(filePath, QFile::WriteOwner);
24             if (!QFile::remove(filePath))
25             {
26                 qDebug() << "remove file" << filePath << " faild!";
27                 error = true;
28             }
29         }
30         else if (fileInfo.isDir())
31         {
32             if (!deleteDir(filePath))
33             {
34                 error = true;
35             }
36         }
37     }
38 
39 
40     if (!directory.rmdir(QDir::toNativeSeparators(directory.path())))
41     {
42         qDebug() << "remove dir" << directory.path() << " faild!";
43         error = true;
44     }
45     return !error;
46 }