selenium截取验证码图片

# 截取验证码图片
from PIL import Image
driver.save_screenshot('bdbutton.png')
element = driver.find_element_by_xpath('//*[@id="nc_1_clickCaptcha"]/div[2]/img')    #找到验证码图片
print(element.location)                # 打印元素坐标
print(element.size)                    # 打印元素大小
left = element.location['x']
top = element.location['y']
right = element.location['x'] + element.size['width']
bottom = element.location['y'] + element.size['height']

im = Image.open('bdbutton.png')
im = im.crop((left, top, right, bottom))
im.save('bdbutton.png')                          # 将得到的图片保存在本地