一、首先,19.9元抢购是京东吸引顾客的,最后反正强盗也是上百块,坑爹
二、利用Selenium做抢购的话能看到物品,用post请求就需要解析页面,获取参数信息,再模拟登录,但是自己就不能实时了解物品详情吧,所以我选择了第一种,第二种也不难,F12可以知道需要哪些参数,直接解析就可以
三、说说验证码吧,个人觉得简单点做,要么手动看着网页输入,要么解析出验证码路径,请求并保存图片在本地,然后自动打开图片,再手动输入。难点做就是提取图片的像素点,进行排序,然后自动帮你输入验证码,只要最后目的能抢到东西的方法就是好方法
四、有图有真相
五、该上代码了
# coding=utf-8 """ @author:SoS @data:2018/4/3 @version:Python3.6 """ import requests from datetime import datetime import time from PIL import Image from selenium import webdriver class jd(): def __init__(self): self.driver = webdriver.Firefox() def request_jd(self): user_name = input("请输入用户名\n") pwd = input("请输入密码\n") self.driver.maximize_window() self.driver.get("https://www.jd.com/") time.sleep(1) self.driver.find_element_by_class_name("link-login").click() time.sleep(1) self.driver.find_element_by_link_text("账户登录").click() self.jd_cookies = self.driver.get_cookies() self.driver.find_element_by_id("loginname").send_keys(user_name) self.driver.find_element_by_id("nloginpwd").send_keys(pwd) try: self.driver.find_element_by_css_selector(".btn-img.btn-entry").click() time.sleep(0.5) print("需要输入验证码") # 可能有验证码 captcha = self.request_capture() print("验证码",captcha) time.sleep(0.5) self.driver.find_element_by_id("authcode").send_keys(captcha) time.sleep(0.5) self.driver.find_element_by_css_selector(".btn-img.btn-entry").click() except: print("验证码") self.driver.get("https://item.jd.com/4255683.html") time.sleep(1) self.driver.find_element_by_id("InitCartUrl") try: self.driver.find_element_by_id("btn-onkeybuy").click() except : # 没有货了,继续刷30次 count = 0 while count < 30: self.driver.get("https://item.jd.com/4255683.html") try: # 抢购 self.driver.find_element_by_id("choose-btn-ko").click() except: count+=1 self.driver.find_element_by_id("order-submit").click() time.time(1) print("over") # 获取验证码并把图片显示出来 def request_capture(self): headers = { "Referer":"https://www.jd.com/", "User_Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/53" } try: capture_url = self.driver.find_element_by_css_selector("#JD_Verification1").get_attribute("src2") # capture_url = capture_url + "&yys="+str(int(time.time())) print(capture_url) session = requests.Session(); # cookies = requests.utils.cookiejar_from_dict(self.cookies_to_dict(),cookiejar=None, overwrite=True) # session.cookies = cookies response = session.get("https:"+capture_url, headers=headers, allow_redirects=False) with open("captcha.jpg","wb") as f: print(type(response.content)) f.write(response.content) f.close() im = Image.open("captcha.jpg") im.show() im.close() captcha = input("请输入验证码\n") return captcha except: print("无验证码") return input("请输入验证码\n") # Selenium cookies 转换成字典类型设置给 requests def cookies_to_dict(self): cookie =[item["name"] + ":" + item["value"] for item in self.jd_cookies] cookies = ';'.join(item for item in cookie) cook_map = {} for item in cookie : str = item.split(':') cook_map[str[0]] = str[1] return cook_map if __name__ == "__main__": jd = jd() jd.request_jd()
六、源码地址
源码地址和驱动地址,为什么选火狐,因为它没版本限制呀,谷歌的话浏览器版本和驱动版本一定得映射对。
驱动配置:将下载好的驱动放在D:\Python36下,然后添加到系统Path中