qq_29220369的博客

from PyQt5.QtWidgets import (QApplication, QGraphicsView, QGraphicsScene, QGraphicsItem, QGraphicsPixmapItem)from PyQt5.QtCore import (QPointF, QPoint, QLineF, QLine, QRectF, QRect, Qt)from PyQt5.QtGui import (QBrush, QPen, QPixmap, QPicture, QImage)im.

原因：design 需要单独安装。 直接用pip3 install PyQt5-tools会找不到安装文件。解决方法：1.手动到下面的地址下载whl。https://github.com/altendky/pyqt5-tools/releases/tag/v5.7.dev12.手动安装。pip3 install PyQt5_Tools-5.7.dev1-py3-none-any.whl...