The QLabel widget provides a text or image display.
| Content | Setting |
| Plain text | Pass a QString to setText(). |
| Rich text | Pass a QString that contains rich text to setText(). |
| A pixmap | Pass a QPixmap to setPixmap(). |
| A movie | Pass a QMovie to setMovie(). |
| A number | Pass an int or a double to setNum(), which converts the number to plain text. |
| Nothing | The same as an empty plain text. This is the default. Set by clear(). |
| Header: | #include <QLabel> |
| qmake: | QT += widgets |
| Inherits: | QFrame |
插入图片：
插入动态图片：
QMovie *movie = new QMovie("../cruiseSystem/images/2015111016272032815.gif");
ui->label->setMovie(movie);
QSize size = ui->label->size();
movie->setScaledSize(size);
movie->start();