遍历文件夹及其子孙文件夹中的文件

#include <QDir>
#include <QString>
#include <QDebug>
#include <iostream>
#include <fstream>
#include <QtCore>
#include <QCoreApplication>


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

void addSubFolderImages(QString path)
{
    //判断路径是否存在
    QDir dir(path);
    if(!dir.exists())
    {
        return;
    }

    //获取所选文件类型过滤器
    QStringList filters;
    filters<<QString("*.jpeg")<<QString("*.jpg")<<QString("*.png")<<QString("*.tif")<<QString("*.gif")<<QString("*.bmp");

    //定义迭代器并设置过滤器
    QDirIterator dir_iterator(path,
        filters,
        QDir::Files | QDir::NoSymLinks,
        QDirIterator::Subdirectories);

    QStringList string_list;
    while(dir_iterator.hasNext())
    {
        dir_iterator.next();
        QFileInfo file_info = dir_iterator.fileInfo();
        QString absolute_file_path = file_info.absoluteFilePath();
        qDebug()<< absolute_file_path;
        output << absolute_file_path.toStdString()<<std::endl;
        string_list.append(absolute_file_path);
    }
}


int main(){
    addSubFolderImages(QString("D:\huase\"));

    qDebug()<<"COMPLETE";
    return 0;
}