QFilesystemModel

#ifndef MAINWINDOW_H

#define MAINWINDOW_H

#include <QMainWindow>

#include <QFileSystemModel>

#include <QTreeView>

#include <QListView>

#include <QDir>

class MainWindow : public QMainWindow

{

    Q_OBJECT

public:

    MainWindow(QWidget *parent = 0);

    ~MainWindow();

private:

    QTreeView * treeview;

   // QListView *listview;

    QFileSystemModel *model;

};

#endif // MAINWINDOW_H

#include "mainwindow.h"

MainWindow::MainWindow(QWidget *parent)

    : QMainWindow(parent)

{

    treeview=new QTreeView(this);

    //listview=new QListView(this);

    setCentralWidget(treeview);

    model=new QFileSystemModel(this);

    model->setRootPath(QDir::currentPath());

    treeview->setModel(model);

    treeview->setRootIndex(model->index(QDir::currentPath()));

}

原文：https://www.cnblogs.com/deadwood-2016/p/14196797.html