PythonUI 识别登录页面验证码（PIL）

from time import sleep

import PIL
import pytesseract
from PIL import Image, ImageEnhance
from selenium import webdriver
# 1、打开浏览器，最大化浏览器
driver = webdriver.Firefox()
driver.get("http://172.31.21.148:30111/#/login")
driver.implicitly_wait(10)
driver.maximize_window()
# 用户名元素/密码元素
userElement = driver.find_element_by_xpath("/html/body/div/div/div/div[1]/div/form/div[1]/div/div[1]/input")
passElement = driver.find_element_by_xpath("/html/body/div/div/div/div[1]/div/form/div[2]/div/div/input")
userElement.send_keys('admin')
passElement.send_keys('admin1')
# 保存验证码并读取
driver.save_screenshot('E://01.png')
imgelement = driver.find_element_by_xpath("/html/body/div/div/div/div[1]/div/form/div[3]/div/div[3]/div/div/img") # 定位验证码
location = imgelement.location  # 获取验证码x,y轴坐标
print(location['x'],location['y'])
size = imgelement.size  # 获取验证码的长宽
print(size['height'],size['width'])
rangle = (1360,420,1600,490)  # 写成我们需要截取的位置坐标
#rangle = (int(location['x'])+500, int(location['y']), int(location['x'] + size['width']),
          #int(location['y'] + size['height']))  # 写成我们需要截取的位置坐标
i = Image.open("E://01.png")  # 打开截图
imgCaptcha = i.crop(rangle)  # 使用Image的crop函数，从截图中再次截取我们需要的区域
imgCaptcha.save('E://02.png')#截取到的验证码保存为png图片
qq=Image.open('E://02.png')#打开png验证码图片

imgry = qq.convert('L')  # 图像加强，二值化
sharpness = ImageEnhance.Contrast(imgry)  # 对比度增强
sharp_img = sharpness.enhance(3.0)
sharp_img.save("E://03.png")
yzm=Image.open('E://03.png')
text=pytesseract.image_to_string(yzm).strip() #使用image_to_string识别验证码
print(text)
sleep(3)
driver.find_element_by_xpath("/html/body/div/div/div/div[1]/div/form/div[3]/div/div[1]/div/div/div/input").send_keys(text)#将识别的图片验证码信息输入到验证码输入文本框中
sleep(3)
click_login = driver.find_element_by_xpath("/html/body/div/div/div/div[1]/div/form/div[4]/div/div/img")
click_login.click()
sleep(5)
driver.quit()