pip install zisan

import zisan.FileTools as zf
file_path = 'C:/Users/xxx/Desktop/2016/Annotations'
whole_file = zf.getFiles(file_path) 

import os
file_path = 'C:/Users/xxx/Desktop/2016/Annotations'
file_names = os.listdir(file_path)
print(file_names)

import os
new_file_path = 'C:/Users/xxx/Destop/2016/newfile'
os.mkdir(new_file_path)

import zisan.FileTools as zf
import os
import cv2
from skimage import io

file_path = 'C:/Users/xxx/Desktop/2016/Annotations'
new_file_path = 'C:/Users/xxx/Destop/2016/newfile'

file_names = os.listdir(file_path)
#获取Annotations文件夹的子文件夹名称

for i in file_names: #遍历每个子文件夹名称
  Index = 0
  file_name = file_path + '/' + i #巧妙运用+号得到改子文件夹的路径
  os.mkdir(new_file_path + '/' + i) #在newfile里创建一个与子文件夹名称相同的文件夹
  whole_pic = zf.getFiles(file_name) #用getFiles函数读取子文件夹内的图片路径
  for f in whole_pic:
    msk = io.imread(f)
		msk=cv2.cvtColor(msk,cv2.COLOR_RGBA2GRAY)
    msk[np.where(msk!=0)]=255
    io.imsave(new_file_path + '/' + i + '/' + str("%05d" % Index) + '.jpg' , msk)
     #处理命名可直接+'.jpg'让其以jepg形式存储
    Index += 1