7_2 tesseract处理验证码

一、简单验证码识别处理

 1 """"""
 2 
 3 
 4 import pytesseract
 5 from PIL import Image
 6 from urllib import request
 7 import time
 8 
 9 def main():
10     # 这个url也可以通过登录页面分析获取，也可以直接从network复制过来
11     url = "https://cas.sru.edu.cn/lyuapServer/captcha.jsp?time0.12309574802401424"
12     while True:
13         request.urlretrieve(url, 'capt.png')
14         image = Image.open('capt.png')
15         text = pytesseract.image_to_string(image)
16         print(text)
17         time.sleep(3)
18 
19 if __name__ == '__main__':
20     main()