利用爬虫发布打卡帖

更多爬虫实例请见 https://blog.youkuaiyun.com/weixin_39777626/article/details/81564819

from selenium import webdriver
import time
from PIL import Image
from io import BytesIO
import pytesseract

def fill_in(message,browser):
    message=[account,password]
    input=browser.find_elements_by_css_selector('.px.p_fre')
    j=0
    for i in input:
        if j<=1:
            i.send_keys(message[j])
            j+=1

def get_image(browser,x,y):
    screenshot = browser.get_screenshot_as_png()
    screenshot = Image.open(BytesIO(screenshot))
    captcha=screenshot.crop((x,y,x+100,y+30))
    captcha.save('code.png')
    
def verified_code(browser):
    image=Image.open('code.png')
    gray=image.convert('L')
    bw=gray.point(lambda x:0 if x<108 else 255,'1')
    result=pytesseract.image_to_string(bw)
    code=browser.find_element_by_css_selector('.txt.px.vm')
    code.clear()
    code.send_keys(result)

def click_submit(browser):
    submits=browser.find_elements_by_css_selector('.pn.pnc')
    j=0
    for submit in submits:
        if j==1:
            submit.click()
        j+=1

def login_page(account,password):
    message=[account,password]
    fill_in(message,browser)
    while browser.find_element_by_css_selector('.deandenglu_bgs').text=='亲爱的会员，欢迎您回来':
        changes=browser.find_elements_by_css_selector('.xi2')
        j=0
        for change in changes:
            j+=1
            if j==3:
                change.click()
        time.sleep(1)
        get_image(browser,361,616)
        verified_code(browser)
        click_submit(browser)
        time.sleep(2)

def python_basic(browser):
    date=time.strftime("%Y/%m/%d", time.localtime()) 
    title='#打卡#'+date
    content='''在评论区打卡
    格式如下：
    #学号+微信昵称#
    代码
    '''
    input=browser.find_element_by_css_selector('#subject')
    input.send_keys(title)
    input=browser.find_element_by_css_selector('#fastpostmessage')
    input.send_keys(content)
    while browser.current_url=='https://bbs.idataloop.com/forum.php?mod=forumdisplay&fid=166':
        changes=browser.find_elements_by_css_selector('.xi2')
        j=0
        for change in changes:
            j+=1
            if j==7:
                change.click()
        time.sleep(1)
        code=browser.find_element_by_css_selector('.txt.px.vm')
        code.click()
        get_image(browser,81,534)
        verified_code(browser)
        submit=browser.find_element_by_css_selector('#fastpostsubmit')
        submit.click()
    

account='xxxxxxxxxxxxx'
password='xxxxxxxxx'
url='https://bbs.idataloop.com/forum.php?mod=forumdisplay&fid=166'
browser=webdriver.Chrome()
browser.get(url)
time.sleep(2)
login_page(account,password)
print('页面跳转中...')
time.sleep(7)
python_basic(browser)
print('成功发布打卡帖')

更多爬虫实例请见 https://blog.youkuaiyun.com/weixin_39777626/article/details/81564819