图片缩放

# 图像缩放
import io
from PIL import Image

def resize_image(ori_img, dst_img):
    pil_image = Image.open(ori_img)    
    # get the size of the image
    ori_w, ori_h = pil_image.size
  
    pil_image_resized = pil_image.resize((ori_w/4, ori_h/4), Image.ANTIALIAS)
    pil_image_resized.save(dst_img)
    
#源图片
ori_img = r'D:\mobile\20150917112239.png'
#目标图片
dst_img = r'D:\python_2.png'
resize_image(ori_img, dst_img)