from PIL import Image
import os
ImageNames=os.listdir('E:\\digger\\diggerdatabase')
for i in range(len(ImageNames)):
infile = 'E:\\digger\\diggerdatabase\\'+str(i+1)+'.jpg' #输入图片所在路径
outfile ='E:\\digger\\diggerdatabase\\'+str(i+1)+'.jpg' #输出图片所在路径
Image.open(infile).convert('RGB').save(outfile) # convert the image to RGB mode very important 将图片转化为RGB模式，虽然我不知道为什么，但是没有这一步会报错
im = Image.open(infile)
(x, y) = im.size # read image size
x_s = 250 # define standard width
y_s = 250 # calc height based on standard width
out = im.resize((x_s, y_s), Image.ANTIALIAS) # resize image with high-quality
out.save(outfile)
print(str(i+1)+'original size: ', x, y)
print(str(i+1)+'adjust size: ', x_s, y_s)
