问题1:AttributeError: module 'cv2' has no attribute 'LoadImage'
解决办法1:将cv.LoadImage改为cv.imread
问题2:AttributeError: module 'cv2' has no attribute 'CV_LOAD_IMAGE_GRAYSCALE'
解决办法2:将cv.imread(path, cv.CV_LOAD_IMAGE_GRAYSCALE)改cv.IMREAD_GRAYSCALE
问题3:AttributeError: module 'cv2' has no attribute 'NamedWindow'
解决办法3:将cv.NamedWindow改为cv.namedWindow