#!/usr/bin/env python

# encoding: utf-8

import time

from selenium import webdriver

from PIL import Image

from io import BytesIO

driver=webdriver.Chrome()

driver.get("http://www.baidu.com/")

img=driver.find_element_by_xpath("//div/img")

location=img.location

size=img.size

x=location["x"]

y=location["y"]

height=size["height"]

wid=size["width"]

im=Image.open(BytesIO(driver.get_screenshot_as_png()))

im.show()

box=(x,y,x+wid,y+height) #这四个参数表示要截取的坐标 左上角的x,y右下角的x,y

captcha=im.crop(box)  #截取上面指定的区域

captcha.show()