这篇文章主要为大家详细介绍了如何利用Python实现模拟浏览器启动，获取网页内容、自动填表单、自动登录、自动过验证码等功能，需要的可以参考一下
库
源码
知识点补充
食用前准备
python 3.10.10 #二维码的库ddddocr 需要
库
import timeimport ddddocr源码
# import threading# 导入threading模块# from Feishu_SendMsg import *# Identification verification codeimport timeimport ddddocrinterval = 100 * 60# def delayCall():# 定义方法# SendMsg("选题 快快快!!!")# timer=threading.Timer(interval,delayCall)# 每秒运行# timer.start()# 执行方法# if __name__ == '__main__':## t1=threading.Timer(interval,function=delayCall)# 创建定时器# t1.start()# 开始执行线程from selenium import webdriverfrom selenium.webdriver.common.by import Byfrom selenium.webdriver.support.ui import WebDriverWaitfrom selenium.webdriver.support import expected_conditions as ECfrom selenium.webdriver.common.keys import Keys# SendMsg("自动填表单")options = webdriver.ChromeOptions()options.add_argument('--enable-automation')options.add_argument('--no-sandbox')options.add_argument('--disable-extensions')options.add_argument('--start-maximized')options.add_argument('--disable-infobars')prefs = {"profile.default_content_setting_values.autocomplete_enabled": 2}options.add_experimental_option("prefs", prefs)# SendMsg("创建 Chrome 浏览器实例")# 创建 Chrome 浏览器实例browser = webdriver.Chrome(options=options)# SendMsg("打开网页")browser.get('www.tttttttt.com')# SendMsg("找到账号和密码框元素并输入指定字符串")username = browser.find_element("name","username")password = browser.find_element("name","userpass")usercode = browser.find_element("name","usercode")img_verifycode = browser.find_element("id","img_verifycode")# SendMsg("自动填充账号密码")username.send_keys("11111")password.send_keys("11111")verifycodeBase64 = img_verifycode.screenshot_as_base64ocr = ddddocr.DdddOcr()res = ocr.classification(verifycodeBase64)usercode.send_keys(res)# SendMsg(f"识别并填写验证码: {res}")# SendMsg("提交表单")password.send_keys(Keys.RETURN)# SendMsg("登陆: 提交表单")知识点补充
下面为大家介绍一下文中用到的ddddocr库的相关使用吧
识别验证码的python 库有很多，用起来也并不简单，ddddocr (带带弟弟ocr)库是一个简单实用的识别验证码的库，推荐给大家
ddddocr具体使用方法
import osimport ddddocrfrom time import sleepfrom PIL import Imagefrom selenium import webdriverfrom selenium.webdriver.common.by import Byclass GetVerificationCode:def __init__(self):self.res = Noneurl = '要登录的地址'self.driver = webdriver.Chrome()self.driver.maximize_window()# 将浏览器最大化self.driver.get(url)# 获取验证码信息def getVerification(self):# 获取当前文件的位置、并获取保存截屏的位置current_location = os.path.dirname(__file__)screenshot_path = os.path.join(current_location, "..", "VerificationCode")# 截取当前网页并放到自定义目录下，并命名为printscreen，该截图中有我们需要的验证码sleep(1)self.driver.save_screenshot(screenshot_path + '//' + 'printscreen.png')sleep(1)# 定位验证码imgelement = self.driver.find_element(By.XPATH, '验证码图片的Xpath定位')# 获取验证码x,y轴坐标location = imgelement.location# 获取验证码的长宽size = imgelement.size# 写成我们需要截取的位置坐标rangle = (int(location['x'] + 430),int(location['y'] + 200),int(location['x'] + size['width'] + 530),int(location['y'] + size['height'] + 250))# 打开截图i = Image.open(screenshot_path + '//' + 'printscreen.png')# 使用Image的crop函数，从截图中再次截取我们需要的区域fimg = i.crop(rangle)fimg = fimg.convert('RGB')# 保存我们截下来的验证码图片，并读取验证码内容fimg.save(screenshot_path + '//' + 'code.png')ocr = ddddocr.DdddOcr()with open(screenshot_path + '//' + 'code.png', 'rb') as f:img_bytes = f.read()self.res = ocr.classification(img_bytes)print('识别出的验证码为：' + self.res)# 判断验证码错误时的提示信息是否存在def isElementPresent(self, by, value):try:element = self.driver.find_element(by=by, value=value)except NoSuchElementException:pass# 发生了NoSuchElementException异常，说明页面中未找到该元素，返回Falsereturn Falseelse:# 没有发生异常，表示在页面中找到了该元素，返回Truereturn True# 登录def login(self):self.getVerification()self.driver.find_element(By.XPATH, '用户名输入框Xpath定位').send_keys('用户名')self.driver.find_element(By.XPATH, '密码输入框Xpath定位').send_keys('密码')self.driver.find_element(By.XPATH, '验证码输入框Xpath定位').send_keys(self.res)sleep(1)self.driver.find_element(By.XPATH, '登录按钮Xpath定位').click()sleep(2)isFlag = Truewhile isFlag:try:isPresent = self.isElementPresent(By.XPATH, '验证码错误时的提示信息Xpath定位')if isPresent is True:codeText = self.driver.find_element(By.XPATH, '验证码错误时的提示信息Xpath定位').textif codeText == "验证码不正确":self.getVerification()sleep(2)self.driver.find_element(By.XPATH, '验证码输入框Xpath定位').clear()sleep(1)self.driver.find_element(By.XPATH, '验证码输入框Xpath定位').send_keys(self.res)sleep(1)self.driver.find_element(By.XPATH, '登录按钮Xpath定位').click()sleep(2)tips = self.driver.find_element(By.XPATH,'未输入验证码时的提示信息Xpath定位').textif tips == "请输入验证码":self.getVerification()sleep(2)self.driver.find_element(By.XPATH, '验证码输入框Xpath定位').click()sleep(1)self.driver.find_element(By.XPATH, '验证码输入框Xpath定位').send_keys(self.res)sleep(1)self.driver.find_element(By.XPATH, '登录按钮Xpath定位').click()sleep(2)continueelse:print("验证码正确，登录成功！")except NoSuchElementException:passelse:isFlag = Falsesleep(5)self.driver.quit()if __name__ == '__main__':GetVerificationCode().login()识别结果
到此这篇关于Python实现获取网页内容及自动填表单与登录功能的文章就介绍到这了,希望大家以后多多支持！
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