import os
import cv2

# 图片文件夹路径
folder_path = 'D:/Users/image'

# 获取文件夹中的所有图片文件
image_files = [os.path.join(folder_path, file) for file in os.listdir(folder_path)
               if file.lower().endswith(('.png', '.jpg', '.jpeg'))]

# 创建一个图片显示窗口
cv2.namedWindow('Image Viewer', cv2.WINDOW_NORMAL)

# 初始化图片索引
current_index = 0
total_images = len(image_files)

while True:
    # 读取当前索引处的图片
    image_path = image_files[current_index]
    image = cv2.imread(image_path)

    # 显示图片
    cv2.imshow('Image Viewer', image)

    # 等待用户按键
    key = cv2.waitKey(0)

    # 根据按键进行操作
    if key == ord('a'):  # 按下a键退出
        break
    elif key == ord('s'):  # 按下s键显示下一张图片
        current_index = (current_index + 1) % total_images
    elif key == ord('d'):  # 按下d键显示上一张图片
        current_index = (current_index - 1) % total_images

# 关闭窗口
cv2.destroyAllWindows()