怎么opencv显示不了图片
为啥opencv2用python显示不了图片（交互式模式下）代码如下：
Python 3.8.7 (tags/v3.8.7:6503f05, Dec 21 2020, 17:59:51) on win32
Type "help", "copyright", "credits" or "license()" for more information.
>>> import cv2
>>> import matplotlib.pyplot as plt
>>> img = imread("D:/0.png",1)
Traceback (most recent call last):
File "<pyshell#2>", line 1, in <module>
img = imread("D:/0.png",1)
NameError: name 'imread' is not defined
>>> img = cv2.imread("D:/0.png",1)
>>> print(img.cheap)
Traceback (most recent call last):
File "<pyshell#4>", line 1, in <module>
print(img.cheap)
AttributeError: 'numpy.ndarray' object has no attribute 'cheap'
>>> plt.imshow(img)
<matplotlib.image.AxesImage object at 0x000001BC96A11A90>
>>>
（不知道为啥，网上找过几个方法也不行，我记得小甲鱼就是用print(img.cheap)的呀，怎么回事？）
求各位大佬解答！
谢谢！ 本帖最后由 逃兵 于 2021-5-10 21:31 编辑
print(img.shape)
https://www.bilibili.com/video/BV1kJ41147s1
视频4:30处
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