Qt 同时选择文件和文件夹（可多选）

Posted 2020-09-10 积跬步,到千里

/*****CFileDialog.h*****/

#ifndef CFILEDIALOG_H
#define CFILEDIALOG_H

#include <QObject>
#include <QFileDialog>

class CFileDialog : public QFileDialog
{
    Q_OBJECT
public:
    CFileDialog(QWidget *parent = 0);
    ~CFileDialog();

public slots:
    void onChiose();
};

#endif // CFILEDIALOG_H

/***********CFileDialog.cpp**********/

#include "CFileDialog.h"
#include <QListView>
#include <QTreeView>
#include <QDialogButtonBox>

CFileDialog::CFileDialog(QWidget *parent)
    : QFileDialog(parent)
{
    this->setOption(QFileDialog::DontUseNativeDialog,true);

    //支持多选
    QListView *pListView = this->findChild<QListView*>("listView");
    if (pListView)
        pListView->setSelectionMode(QAbstractItemView::ExtendedSelection);
    QTreeView *pTreeView = this->findChild<QTreeView*>();
    if (pTreeView)
        pTreeView->setSelectionMode(QAbstractItemView::ExtendedSelection);
    QDialogButtonBox *pButton = this->findChild<QDialogButtonBox *>("buttonBox");

    disconnect(pButton, SIGNAL(accepted()), this, SLOT(accept()));//使链接失效
    connect(pButton, SIGNAL(accepted()), this, SLOT(onChiose()));//改成自己的槽
}

CFileDialog::~CFileDialog()
{

}

void CFileDialog::onChiose()
{
    QDialog::accept();
}

CFileDialog fileDialog;
if ( fileDialog.exec() == QDialog::accept())
{
     qDebug() << fileDialog.selectedFiles();
}