解决python3中cv2读取中文路径的问题

python3:img_path =  ' 'im = cv2.imdecode(np.fromfile(img_path,dtype = np.uint8),-1)save_path =  ' 'cv2.imencode('.jpg',im)[1].tofile(save_path)python2.7:img_path = ' 'im = cv2.imread(img_path.decode(‘utf-8'))