京东实现按时自动勾选购物车,结算
知识点属于python方面的web爬虫(web crawler)，首先介绍一下selenium:
selenium主要是用来做自动化测试，支持多种浏览器，爬虫中主要用来解决JavaScript渲染问题。
模拟浏览器进行网页加载。
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| from selenium import webdriver
|
本例采用谷歌浏览器进行测试:browser = webdriver.Chrome()
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| from selenium import webdriver
import datetime
import time
def login():
browser.get("https://www.jd.com")
time.sleep(3)
if browser.find_element_by_class_name("link-login"):
browser.find_element_by_class_name("link-login").click()
print("请在15秒内完成扫码")
time.sleep(15)
browser.get("https://cart.jd.com/cart.action")
time.sleep(3)
now = datetime.datetime.now()
print('login success:', now.strftime('%Y-%m-%d %H:%M:%S'))
def buy(times, choose):
if choose == 2:
print("请手动勾选需要购买的商品")
while True:
now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')
if now > times:
if choose == 1:
while True:
try:
if browser.find_element_by_name("toggle-checkboxes"):
browser.find_element_by_name("toggle-checkboxes").click()
break
except Exception as e:
print(e.args[0])
print("找不到购买按钮")
while True:
try:
if browser.find_element_by_class_name("submit-btn"):
browser.find_element_by_class_name("submit-btn").click()
browser.find_element_by_id("order-submit").click()
print("结算成功")
break
except:
pass
while True:
try:
if browser.find_element_by_id("order-submit"):
browser.find_element_by_id("order-submit").click()
now1 = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')
print("抢购成功时间：%s" % now1)
except:
pass
print(now)
time.sleep(0.01)
if __name__ == "__main__":
times = input("请输入抢购时间，格式如(2020-02-21 20:00:00.000000):")
browser = webdriver.Chrome()
browser.maximize_window()
login()
choose = int(input("到时间自动勾选购物车请输入“1”，否则输入“2”："))
buy(times, choose)
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