c++ - QT自动保存截图带命名模板

Question

我想每 10 秒以不同的名称保存多个屏幕截图，

i want to save like this

here my current code

      QScreen *screen = QGuiApplication::primaryScreen();
      QPixmap pic  = screen->grabWindow(0);
      pic.save("C:/Users/Coding/Desktop/img/desktop_1.png");

Answer 1

您可以将 QString 格式化为您的文件名并在末尾附加一个计数器，如下所示:

int counter = 1;
auto fileName = QString("C:/Users/Coding/Desktop/img/desktop_%1.png").arg(counter);
counter++;
pic.save(fileName);