以下是用python简单的自动化登录知乎的python代码

#coding:utf-8

import os,time

from os import environ

from selenium import webdriver

from selenium.webdriver.common.keys import Keys

from selenium.webdriver.common.action_chains import ActionChains

chromedriver = "C:\chromedriver\chromedriver.exe"

environ["webdriver.chrome.driver"] = chromedriver

driver = webdriver.Chrome(chromedriver)

driver.maximize_window()

driver.get("https://www.zhihu.com/#signin")

driver.find_element_by_xpath('//*[@class="account input-wrapper"]/input').send_keys("用户名")

driver.find_element_by_xpath('//*[@class="verification input-wrapper"]/input').send_keys("密码")

time.sleep(2)

#鼠标点击，刷新验证码

#driver.find_element_by_class_name("Captcha-refresh js-refreshCaptcha sprite-index-icon-refresh").click()

for i in range(0,100) :

try:

driver.find_element_by_xpath('//*[@class="Captcha-imageConatiner"]/img').is_displayed()

except:

print "未找到元素,自动登录成功"

break

else:

right_click=driver.find_element_by_xpath('//*[@class="Captcha-imageConatiner"]/img')

#移动到距某个元素(左上角坐标)多少距离的位置

ActionChains(driver).move_to_element_with_offset(right_click,160,22).click().perform()

driver.find_element_by_xpath('//*[@class="button-wrapper command"]/button').click()

time.sleep(3)

print 'login OK !!!'

print '##########提交问题#####'

driver.find_element_by_class_name("TopstoryHeader-navItem").click()

now_url = driver.current_url

print now_url

time.sleep(10)

try:

driver.find_element_by_xpath('//*[@class="Input-wrapper Input-wrapper--spread Input-wrapper--multiline Input-wrapper--large"]/textarea').is_displayed()

except:

print "未找到元素"

else:

driver.find_element_by_xpath('//*[@class="Input-wrapper Input-wrapper--spread Input-wrapper--multiline Input-wrapper--large"]/textarea').send_keys(u"python机器人自动测试问题?")

#driver.find_element_by_xpath('//*[@class="QuestionAsk-buttonGroup"]/button').click()

#driver.find_element_by_xpath('//*[@class="Input-wrapper Input-wrapper--spread Input-wrapper--large"]/input').send_keys(u"pyton自动化")

#driver.find_elements_by_class_name("public-DraftStyleDefault-block public-DraftStyleDefault-ltr").send_keys(u"如何用python脚本破解知乎登录验证码")

#driver.find_element_by_xpath('//*[@class="QuestionAsk-buttonGroup"]/button').click()

print '##########提交问题OK#####'

#