遍历文件夹及其子孙文件夹中的文件

 1 #include <QDir>

 2 #include <QString>

 3 #include <QDebug>

 4 #include <iostream>

 5 #include <fstream>

 6 #include <QtCore>

 7 #include <QCoreApplication>

 8 

 9 

10 std::ofstream output("D:dir.txt");

11 

12 void addSubFolderImages(QString path)

13 {

14     //判断路径是否存在

15     QDir dir(path);

16     if(!dir.exists())

17     {

18         return;

19     }

20 

21     //获取所选文件类型过滤器

22     QStringList filters;

23     filters<<QString("*.jpeg")<<QString("*.jpg")<<QString("*.png")<<QString("*.tif")<<QString("*.gif")<<QString("*.bmp");

24 

25     //定义迭代器并设置过滤器

26     QDirIterator dir_iterator(path,

27         filters,

28         QDir::Files | QDir::NoSymLinks,

29         QDirIterator::Subdirectories);

30 

31     QStringList string_list;

32     while(dir_iterator.hasNext())

33     {

34         dir_iterator.next();

35         QFileInfo file_info = dir_iterator.fileInfo();

36         QString absolute_file_path = file_info.absoluteFilePath();

37         qDebug()<< absolute_file_path;

38         output << absolute_file_path.toStdString()<<std::endl;

39         string_list.append(absolute_file_path);

40     }

41 }

42 

43 

44 int main(){

45     addSubFolderImages(QString("D:\\huase\\"));

46 

47     qDebug()<<"COMPLETE";

48     return 0;

49 }