本文实例为大家分享了python读取图片并修改文件大小的具体代码，供大家参考，具体内容如下

# Author:NDK# -*- coding:utf-8 -*-from PIL import Imageimport osimport cv2import numpy as npimport glob# old_dir = './test/'# def read_image(cwd, newpath):# for roots, dirs, files in os.walk(cwd):# print(dirs)# for i in dirs:# print(i)# os.chdir(cwd + i)# for pic in glob.glob('*.png'):# _, image = pic.split('_')# img = image.split('.')[0]# print(img)# if len(img) != 0:# if int(img) % 2 != 0:# im = Image.open(pic)# im.save(newpath + i + '/' + pic)# read_image('./num/','./new_img/')# for i in range(10):root_path = r"/test/9/" #操作文件路径print(root_path)# dir = root_path+"images"+"/"dir = root_pathcount = 0for root,dir,files in os.walk(dir): for file in files: srcImg = cv2.imread(root_path+"/"+str(file)) img = Image.open(root_path+"/"+str(file)) print(root_path+str(file)) newImg = img.resize((50, 50), Image.BILINEAR) #想调整的大小 cv2.imwrite(r'./img2/'+str(file),newImg) # 写入文件地址

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