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  • 爬虫(十二)：图形验证码的识别、滑动验证码的识(4)

until(EC.presence_of_element_located((By.CSS_SELECTOR, '.geetest_slider_button')))
  • ActionChains(self.driver).click_and_hold(slider).perform()
  • for x in track: # 只有水平方向有运动 按轨迹移动
  • ActionChains(self.driver).move_by_offset(xoffset=x, yoffset=0).perform()
  • sleep(1)
  • ActionChains(self.driver).release().perform() # 松开鼠标

    • 1.3.7 完整代码

    
	
      
		
    1. 
			# -*- coding:utf-8 -*-
      2. 
		
    2. 
			from PIL import Image
      3. 
		
    3. 
			from time import sleep
      4. 
		
    4. 
			from selenium import webdriver
      5. 
		
    5. 
			from selenium.webdriver.common.by import By
      6. 
		
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			from selenium.webdriver import ActionChains
      7. 
		
    7. 
			from selenium.webdriver.support.wait import WebDriverWait
      8. 
		
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			from selenium.webdriver.support import expected_conditions as EC
      9. 
		
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			from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
      10. 
		
    10. 
			 
      11. 
		
    11. 
			headers = {
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			"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36"
      13. 
		
    13. 
			}
      14. 
		
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			chrome_options = webdriver.ChromeOptions()
      15. 
		
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			chrome_options.add_experimental_option('w3c', False)
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			caps = DesiredCapabilities.CHROME
      17. 
		
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			caps['loggingPrefs'] = {'performance': 'ALL'}
      18. 
		
    18. 
			 
      19. 
		
    19. 
			class SliderVerificationCode(object):
      20. 
		
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			def __init__(self): # 初始化一些信息
      21. 
		
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			self.left = 60 # 定义一个左边的起点 缺口一般离图片左侧有一定的距离 有一个滑块
      22. 
		
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			self.url = 'https://passport.bilibili.com/login'
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			self.driver = webdriver.Chrome(desired_capabilities=caps,options=chrome_options)
      24. 
		
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			self.wait = WebDriverWait(self.driver, 20) # 设置等待时间20秒
      25. 
		
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			self.phone = "17369251763"
      26. 
		
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			self.passwd = "abcdefg"
      27. 
		
    27. 
			 
      28. 
		
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			def input_name_password(self): # 输入账号密码
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			self.driver.get(self.url)
      30. 
		
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			self.driver.maximize_window()
      31. 
		
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			input_name = self.driver.find_element_by_xpath("//input[@id='login-username']")
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			input_pwd = self.driver.find_element_by_xpath("//input[@id='login-passwd']")
      33. 
		
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			input_name.send_keys("username")
      34. 
		
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			input_pwd.send_keys("passport")
      35. 
		
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			sleep(3)
      36. 
		
    36. 
			 
      37. 
		
    37. 
			def click_login_button(self): # 点击登录按钮,出现验证码图片
      38. 
		
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			login_btn = self.driver.find_element_by_class_name("btn-login")
      39. 
		
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			login_btn.click()
      40. 
		
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			sleep(3)
      41. 
		
    41. 
			 
      42. 
		
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			def get_geetest_image(self): # 获取验证码图片
      43. 
		
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			gapimg = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'geetest_canvas_bg')))
      44. 
		
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			sleep(2)
      45. 
		
    45. 
			gapimg.screenshot(r'./captcha1.png')
      46. 
		
    46. 
			# 通过js代码修改标签样式 显示图片2
      47. 
		
    47. 
			js = 'var change = document.getElementsByClassName("geetest_canvas_fullbg");change[0].style = "display:block;"'
      48. 
		
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			self.driver.execute_script(js)
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			sleep(2)
      50. 
		
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			fullimg = self.wait.until(
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    51. 
			EC.presence_of_element_located((By.CLASS_NAME, 'geetest_canvas_slice')))
      52. 
		
    52. 
			fullimg.screenshot(r'./captcha2.png')
      53. 
		
    53. 
			 
      54. 
		
    54. 
			def is_similar(self, image1, image2, x, y):
      55. 
		
    55. 
			'''判断两张图片 各个位置的像素是否相同
      



  
    
  
  
    
   
  
    
  
 
 
    
 
 
  
 
 
 
 

    




 



    


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