python+selenium+chrome实现淘宝购物车秒杀自动结算

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from selenium import webdriver
import datetime
import time


def login():
  # 打开淘宝登录页，并进行扫码登录
  browser.get("https://www.taobao.com")
  time.sleep(3)
  if browser.find_element_by_link_text("亲，请登录"):
    browser.find_element_by_link_text("亲，请登录").click()
    print("请在15秒内完成扫码")
    time.sleep(15)
    browser.get("https://cart.taobao.com/cart.htm")
  time.sleep(3)

  now = datetime.datetime.now()
  print('login success:', now.strftime('%Y-%m-%d %H:%M:%S'))


def buy(times, choose):
  is_buyed = False
  # 点击购物车里全选按钮
  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')
    print('现在时间：', now)
    # 对比时间，时间到的话就点击结算
    if now > times:
      if choose == 1:
        while True:
          try:
            if browser.find_element_by_id("J_SelectAllcbx1"):
              browser.find_element_by_id("J_SelectAllcbx1").click()
              print('尝试全选')
              break
          except:
            print("找不到全选按钮")
      # 点击结算按钮
      try:
        if browser.find_element_by_id("J_Go"):
          browser.find_element_by_id("J_Go").click()
          print("结算成功")
      except:
        pass
      while True:
        try:
          if browser.find_element_by_link_text('提交订单') and is_buyed == False:
            browser.find_element_by_link_text('提交订单').click()
            now1 = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')
            print("抢购成功时间：%s" % now1)
        except:
          print("再次尝试提交订单")
      time.sleep(0.005)


if __name__ == "__main__":
  times = input("请输入抢购时间，格式如(2018-09-06 11:20:00.000000):")
  # 时间格式："2018-09-06 11:20:00.000000"
  browser = webdriver.Chrome()
  browser.maximize_window()
  login()
  choose = input("到时间自动勾选购物车请输入“1”，否则输入“2”：")
  buy(times, choose)