python 滑动验证码爬取思路

参考文章：python爬虫之滑动验证码[完整版] - 简书

内附个人理解注释

示例代码：

from selenium import webdriver
from selenium.webdriver.common.action_chains import ActionChains
import time
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from PIL import Image

import os
import sys
path = os.path.dirname(os.path.dirname(__file__))
sys.path.append(path)

from chaojiying import Chaojiying_Client
import requests
from hashlib import md5

from selenium.webdriver.common.by import By

class main():
    def __init__(self):
        self.url = ''   # 爬取网址
        self.distance = 0  # 缺块左边距离
        self.key = 0
        self.left = 0  # 填充块左边距离
        self.left1 = 0  # 滑动按钮左边距离
        self.cz = 0  #填充块和缺块的差值（左边）

    # 启动浏览器
    def Launch_browser(self):
        self.driver = webdriver.Chrome()
        self.wait = WebDriverWait(self.driver, 10, 0.5)
        self.driver.get(self.url)
        self.driver.find_element(By.XPATH,'/html/body/div/div[4]/div/div[4]/div/div[2]').click()
        Phone_Number = self.driver.find_element(By.XPATH,
            '/html/body/div/div[4]/div/div[5]/form[2]/div[1]/div/div/input')  #手机号输入框
        Verification_Code = self.driver.find_element(By.XPATH,
            '/html/body/div/div[4]/div/div[5]/form[2]/div[2]/div/input')    #验证码输入框
        Code_Button = self.driver.find_element(By.XPATH,
            '/html/body/div/div[4]/div/div[5]/form[2]/div[2]/button')       #获取验证码按钮

        Phone_Number.send_keys('13766327523') #设置手机号
        Code_Button.click()

        # 等待className为geetest_slider_button的元素在元素表中出现
        time.sleep(5)
        element = WebDriverWait(self.driver, 10).until(
            EC.visibility_of_element_located((By.CLASS_NAME, 'slider-bg'))
        )
        self.slider = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'slider-btn')))
        self.sliderImg = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'slider-draw')))
        self.left = int(self.sliderImg.value_of_css_property('left').split('px')[0])
        self.left1 = int(self.slider.value_of_css_property('left').split('px')[0])
        self.driver.execute_script("document.getElementsByClassName('slider-draw')[0].style.display='none'");
        # 截图元素
        element_screenshot = element.screenshot_as_png
        self.driver.execute_script("document.getElementsByClassName('slider-draw')[0].style.display='block'");
        with open('screenshot.png', 'wb') as file:
            file.write(element_screenshot)
            print(self.left)

    # 超级鹰
    def cjy(self):
        # 用户中心>>软件ID 生成一个替换 910001
        self.chaojiying = Chaojiying_Client('超级鹰用户名', '超级鹰密码', '910001')
        # 本地图片文件路径 来替换 a.jpg 有时WIN系统须要//
        im = open('screenshot.png', 'rb').read()
        # 9101 验证码类型  官方网站>>价格体系 3.4+版 print 后要加()
        # 咨询了一下滑动验证码是选择9101
        re = self.chaojiying.PostPic(im, 9101)
        print(re)

        # 减去一半滑块长度
        self.distance = int(re['pic_str'].split(',')[0]) - 25
        self.cz = self.distance - int(self.sliderImg.value_of_css_property('left').split('px')[0])
        print(self.distance,self.cz)
        self.im_id = re['pic_id']
        print(self.im_id)

    # 模拟移动
    def move(self):
        # 点击和按住
        xxxx = int(abs(self.left - self.left1))  # 获取滑块按钮和填充块左边距离的插值
        target_x = int(self.cz + xxxx)  # 插值加上滑块按钮和填充块左边距离的插值就是滑动的偏移量
        print(target_x)
        ActionChains(self.driver).click_and_hold(self.slider).perform()
        ActionChains(self.driver).move_by_offset(xoffset=target_x, yoffset=0).perform()
        time.sleep(2)
        # 松开鼠标
        ActionChains(self.driver).release().perform()

    # 关闭浏览器
    def quit(self):
        time.sleep(5)
        self.driver.quit()



    # main方法
    def main(self):
        self.Launch_browser()
        self.cjy()
        self.move()
        self.quit()

if __name__ == '__main__':
    ma = main()
    ma.main()