Selenium 验证

1. Selenium 滑块验证：例一

from selenium import webdriver

import time,requests

from selenium.webdriver.common.action_chains import ActionChains

driver = webdriver.Chrome()
driver.get('http://tingshen.court.gov.cn/live/17804767')
time.sleep(3)


source = driver.find_element_by_css_selector('#nc_1_n1z')
time.sleep(2)
box = driver.find_element_by_css_selector('#nc_1__scale_text > span')
time.sleep(2)

ActionChains(driver).drag_and_drop_by_offset(source, box.size['width'], 0).perform()
time.sleep(2)

driver.refresh()

代码实现一

def get_trachs(distance):
    v = 0
    t = 0.3
    tracks = []
    current = 0
    mid = distance*4/5
    while current < distance:
        if current < mid:
            a = 2
        else:
            a = -3

        v0 = v
        s = v0*t + 0.5*a*(t**2)
        current += s
        tracks.append(round(s))
        v = v0 + a*t
    return tracks

from selenium import webdriver

import time

from selenium.webdriver.common.action_chains import ActionChains
# 实例话浏览器
driver = webdriver.Chrome()
driver.get('http://tingshen.court.gov.cn/live/17804767')
time.sleep(2)
element = driver.find_element_by_css_selector('#nc_1_n1z')
ActionChains(driver).click_and_hold(on_element=element).perform()
# 定义拖拽的位置
ActionChains(driver).move_to_element_with_offset(to_element=element, xoffset=260, yoffset=0).perform()
tracks = get_trachs(40)
for track in tracks:
    ActionChains(driver).move_by_offset(xoffset=track, yoffset=0).perform()
time.sleep(1)
# 鼠标释放
ActionChains(driver).release().perform()

代码实现二

# 导包
# 浏览器
from selenium import webdriver
# 无头浏览器
from selenium.webdriver.chrome.options import Options
# 规避检测
from selenium.webdriver import ChromeOptions


# 代码
#实现无可视化界面操作
chrome_options = Options()
chrome_options.add_argument('--headless') #浏览器不提供可视化页面. linux下如果系统不支持可视化不加这条会启动失败
chrome_options.add_argument('--disable-gpu') #谷歌文档提到需要加上这个属性来规避bug
#针对UA请求头的操作，防止因为没有添加请求头导致的访问被栏截了
chrome_options.add_argument('User-Agent=Mozilla/5.0 (Windows NT 6.1; Win64; x64) >AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.57')
chrome_options.add_argument('--no-sandbox')
chrome_options.add_argument('--hide-scrollbars') #隐藏滚动条, 应对一些特殊页面
chrome_options.add_argument('blink-settings=imagesEnabled=false') #不加载图片, 提升速度


#实现规避操作
chrome_opt = webdriver.ChromeOptions()
hrome_opt.add_experimental_option('excludeSwitches', ['enable-automation'])
chrome_opt.add_experimental_option('useAutomationExtension', False)
chrome_opt.add_argument(
    'user-agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"')
chrome_opt.add_argument("--disable-blink-features=AutomationControlled")
driver = webdriver.Chrome(options=chrome_opt, executable_path=r'chromedriver.exe')
driver.execute_cdp_cmd("Page.addScriptToEvaluateOnNewDocument", {
    "source": """
     Object.defineProperty(navigator, 'webdriver', {
      get: () => undefined
    })
  """
})

代码实现三规避浏览器检测

    def get_track(self, distance):  # distance为传入的总距离
        # 移动轨迹
        track = []
        # 当前位移
        current = 0
        # 减速阈值
        mid = distance * 4 / 5
        # 计算间隔
        t = 0.2
        # 初速度
        v = 0

        while current < distance:
            if current < mid:
                # 加速度为2
                a = 2
            else:
                # 加速度为-2
                a = -3
            v0 = v
            # 当前速度
            v = v0 + a * t
            # 移动距离
            move = v0 * t + 1 / 2 * a * t * t
            # 当前位移
            current += move
            # 加入轨迹
            track.append(round(move))
        return track

代码实现四滑动轨迹加速度

2. Selenium 滑动验证带缺口：

def get_trachs(distance):
    v = 0
    t = 0.3
    tracks = []
    current = 0
    mid = distance*4/5
    while current < distance:
        if current < mid:
            a = 2
        else:
            a = -3

        v0 = v
        s = v0*t + 0.5*a*(t**2)
        current += s
        tracks.append(round(s))
        v = v0 + a*t
    return tracks


from selenium import webdriver

import time

from selenium.webdriver.common.action_chains import ActionChains
# 实例化浏览器
driver = webdriver.Chrome()
driver.get('https://www.douban.com/')

driver.switch_to.frame(0)

# 元素定位
driver.find_element_by_xpath('/html/body/div[1]/div[1]/ul[1]/li[2]').click()
driver.find_element_by_xpath('//*[@id="username"]').send_keys('123456789')
driver.find_element_by_xpath('//*[@id="password"]').send_keys('123456789')
driver.find_element_by_xpath('/html/body/div[1]/div[2]/div[1]/div[5]/a').click()

time.sleep(2)
id = driver.find_element_by_xpath('//*[@id="tcaptcha_iframe"]')
driver.switch_to.frame(id)

# 定义拖拽按钮
element = driver.find_element_by_xpath('//*[@id="tcaptcha_drag_thumb"]')
ActionChains(driver).click_and_hold(on_element=element).perform()
# 定义拖拽的位置
ActionChains(driver).move_to_element_with_offset(to_element=element, xoffset=140, yoffset=0).perform()

tracks = get_trachs(65)
for track in tracks:
    ActionChains(driver).move_by_offset(xoffset=track, yoffset=0).perform()
time.sleep(1)
# 鼠标释放
ActionChains(driver).release().perform()

Code

3. Selenium 截图

from PIL import Image
from selenium import webdriver

driver = webdriver.Chrome()
driver.get("http://user.quar.com/passport/login.jsp")
driver.maximize_window()

driver.find_element_by_link_text('密码登录').click()
driver.save_screenshot("10.png")
img = driver.find_element_by_id('vcodeImg')

left = img.location['x']
top = img.location['y']
right = left + img.size['width']
bottom = top + img.size['height']

pil_image = Image.open("10.png")
target_image = pil_image.corp((left, top, right, bottom))
target_image.save("randCode.png")
driver.close()

Code

4. 多窗口

# 多窗口

from selenium import webdriver

driver = webdriver.Chrome()
driver.implicitly_wait(10)
driver.get('https://www.baidu.com')

print(driver.current_window_handle)

driver.find_element_by_link_text('新闻').click()

print(driver.current_window_handle)

handles = driver.window_handles
print(handles)

driver.switch_to.window(handles[1])

driver.find_element_by_link_text('军事').click()

Code