这句加上,否则不能自适应大小
ui.label.setScaledContents(True
)
cv_img_rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) height, width, channel = cv_img_rgb.shape bytesPerLine = channel * width q_image = QImage(cv_img_rgb[:], cv_img_rgb.shape[1], cv_img_rgb.shape[0], cv_img_rgb.shape[1] * 3, QImage.Format_RGB888)