验证码2

#获取全屏图片，并截取验证码图片的位置
driver.get_screenshot_as_file('a.png')
location = driver.find_element_by_id('imgValidateCode').location
size = driver.find_element_by_id('imgValidateCode').size
left = location['x']
top = location['y']
right = location['x'] + size['width']
bottom = location['y'] + size['height']
a = Image.open("a.png")
im = a.crop((left,top,right,bottom))
im.save('a.png')
time.sleep(1)
#打开保存的验证码图片
image = Image.open("a.png")
#图片转换成字符
vcode = pytesseract.image_to_string(image)
print(vcode)