运行截图如下:
代码如下:
widget.h
#ifndef WIDGET_H #define WIDGET_H #include <QWidget> namespace Ui { class Widget; } class Widget : public QWidget { Q_OBJECT public: explicit Widget(QWidget *parent = 0); ~Widget(); void btnClicked(); private: Ui::Widget *ui; }; #endif // WIDGET_H
widget.cpp
#include "widget.h" #include "ui_widget.h" #include <QFileDialog> Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); this->setWindowTitle("CSDN IT1995"); connect(ui->pushButton,&QPushButton::clicked,this,&Widget::btnClicked); } Widget::~Widget() { delete ui; } void Widget::btnClicked() { QString fileName=QFileDialog::getOpenFileName(this); if(!fileName.isEmpty()){ ui->label->setText(fileName.right(fileName.size()-fileName.lastIndexOf('/')-1)); } }
main.cpp
#include "widget.h" #include <QApplication> int main(int argc, char *argv[]) { QApplication a(argc, argv); Widget w; w.show(); return a.exec(); }