from PIL import Imageimport os.pathdef convertjpg(jpgfile,outdir,width=100,height=100):     img = Image.open('/Users/dudu/Desktop/catclass/cat/car2/sl/'+jpgfile)     try:         new_img = img.resize((width, height), Image.BILINEAR)         new_img.save(os.path.join(outdir, os.path.basename(jpgfile)))     except Exception as e:         print(e)for jpgfile in os.listdir('/Users/dudu/Desktop/catclass/cat/car2/sl/'):    print(jpgfile)    convertjpg(jpgfile, "/Users/dudu/Desktop/catclass/cat/car2/sl/")#统一图片类型def ranamesJPG(filepath, kind):    images = os.listdir(filepath)    for name in images:         os.rename(filepath+name, filepath+kind+'_'+name.split('.')[0]+'.jpg')         print(name)         print(name.split('.')[0])ranamesJPG('/Users/dudu/Desktop/catclass/data2/','car_c')import osclass BatchRename():    def __init__(self):        self.path = '/Users/dudu/Desktop/catclass/data2/'    def rename(self):        filelist = os.listdir(self.path)        total_num = len(filelist)        i = 1001        for item in filelist:            if item.endswith('.jpg'):                src = os.path.join(os.path.abspath(self.path), item)                dst = os.path.join(os.path.abspath(self.path), str(i) + '.jpg')                try:                    os.rename(src, dst)                    print ('converting %s to %s ...' % (src, dst))                    i = i + 1                except:                    continue        print ('total %d to rename & converted %d jpgs' % (total_num, i))if __name__ == '__main__':    demo = BatchRename()    demo.rename()