qt 文件对话框

  pAction=pmenu->addAction("文件对话框");

     connect(pAction,&QAction::triggered,

             [=]()

     {

      QString path=QFileDialog::getOpenFileName(this,

                                                "open","../","source(*.cpp *.h);;Text(*.txt);;all(*.*)");

     qDebug()<<path;

     }

     );