官方文档：https://doc.qt.io/qt-5/qcursor.html
构造函数及其部分函数
Public Functions
| QCursor(QCursor &&other) | |
| QCursor(const QCursor &c) | |
| QCursor(const QPixmap &pixmap, int hotX = -1, int hotY = -1) | |
| QCursor(const QBitmap &bitmap, const QBitmap &mask, int hotX = -1, int hotY = -1) | |
| QCursor(Qt::CursorShape shape) | |
| QCursor() | |
| QCursor & | operator=(QCursor &&other) |
| QCursor & | operator=(const QCursor &c) |
| ~QCursor() | |
| const QBitmap * | bitmap() const |
| QPoint | hotSpot() const |
| const QBitmap * | mask() const |
| QPixmap | pixmap() const |
| void | setShape(Qt::CursorShape shape) |
| Qt::CursorShape | shape() const |
| void | swap(QCursor &other) |
| QVariant | operator QVariant() const |
Qt内置的鼠标样式 Qt::CursorShape shape 官方文档截图：
可以参考：https://blog.csdn.net/Staranywhere/article/details/87895321