仅供学习交流，用于其他用途后果自负呦

你的cookies从哪来？

访问京东，登录账号后F12抓到log.gif的cookie全部内容复制过来即可

代码如下：

import requests
import json
import time

# 配置好自己的Cookies
my_cookies = '复制的Cookies'
timestamp = int(time.time() * 1000)
failedList = []

# 抢券并返回结果
def func_getCoupon(key, couponName, totalTime = 5):
    global my_cookies
    global timestamp
    header = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0?',  'Referer': 'https://a.jd.com/', 'Cookie': my_cookies}
    session = requests.session()
    urlLogin = 'https://passport.jd.com/loginservice.aspx?&method=Login&_={0}'.format(timestamp)
    response_login = requests.get(urlLogin, headers = header)
    # https://a.jd.com/indexAjax/getCoupon.html?callback=jQuery6787354&key=0271DFD6890D3B60ACB8BA8A9E49BEB17FE8E6323A36834B63FE69E95D38088EB56E3FFE3F2EB2F5815B928F19275FC8D6B51563934644F28CBABCBD9E776F5353152AA954543CA6ACD9DB34AC3BB877CEFD4ED1C4A801F7FADF7E6B9A9D5EBB&type=1&_=1591065268687
    url = 'https://a.jd.com/indexAjax/getCoupon.html?callback=jQuery6787354&key={key}&type=1&_={time}'.format(key = key, time = timestamp)
    
    print('\n开始抢：' + couponName)
    retryTimes = 0
    while retryTimes <= totalTime:
        response = requests.get(url, headers = header)
        response.encoding = 'utf-8'
        msg = json.loads(response.text[14:].replace(')', ''))
        print('结果：' + msg['message'])

        if '领券成功' in response.text:
            return {'result': 1, 'couponName': couponName, 'msg': msg['message']}
        elif '已经参加' in response.text or '只有专属用户可以领取' in response.text or '只有Plus正式期会员才能领取' in response.text or '仅家庭用户可以领取' in response.text or '仅店铺粉丝可以领取' in response.text:
            return {'result': 2, 'couponName': couponName, 'msg': msg['message']}
        elif '没有登录' in response.text:
            return {'result': 3, 'couponName': couponName, 'msg': msg['message']}
        else:
            retryTimes += 1
            if retryTimes <= totalTime:
                print("还有希望，1秒后再次尝试( {now}/{total} )！".format(now = retryTimes, total = totalTime))

            time.sleep(1)

            if retryTimes > totalTime:
                failedDic = {'couponKey': key, 'couponName': couponName, 'couponMsg': msg['message']}
                failedList.append(failedDic)
                print('疑似定时券！已暂存，下次运行会优先处理该优惠券')
                
                return {'result': -1, 'couponName': couponName, 'msg': msg['message']}

# 按照分类 和 分类 逐一调用 func_getCoupon()抢券
def func_getCouponsList():
    global my_cookies
    global timestamp
    succSum = 0;
    header = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0', 'Referer':'https://a.jd.com/'}
    # https://a.jd.com/indexAjax/getCatalogList.html?callback=jQuery7901459&_=1591089496944 1591090222
    url = 'https://a.jd.com/indexAjax/getCatalogList.html?callback=jQuery7901459&_={0}'.format(timestamp)
    response = requests.get(url, headers = header)
    catIDs = json.loads(response.text[14:].replace(')', ''))

    for catID in catIDs['catalogList']: #分类
        for pageID in range(1, 9): #分页 
            # https://a.jd.com/indexAjax/getCouponListByCatalogId.html?callback=jQuery4759758&catalogId=118&page=3&pageSize=9&_=1591064948304
            urlListByCatalogId = 'https://a.jd.com/indexAjax/getCouponListByCatalogId.html?callback=jQuery4759758&catalogId={catid}&page={pageid}&pageSize=9&_={time}'.format(pageid = pageID, catid = catID['categoryId'], time = timestamp)
            responseListByCatalogId = requests.get(urlListByCatalogId, headers = header)
            items = json.loads(responseListByCatalogId.text[14:].replace(')', ''))
            if items['totalNum'] == 0:
                break

            for item in items['couponList']:
                couponName = '[{4}] {0}券 {1} ({2} {3})'.format(item['denomination'], item['quota'], item['limitStr'], item['discountDetailText'], catID['categoryName'])
                iRet = func_getCoupon(item['ruleKey'], couponName)
                if iRet['result'] == 1:
                    succSum += 1

    print("本轮抢到 " + str(succSum) + " 张优惠券!\n")
    return succSum

# 失败的优惠券  逐一调用 func_getCoupon()抢券
def func_getCouponByFailedList(failedList):

    for failedCoupon in failedList:
        # {'couponKey': key, 'couponName': couponName, 'couponMsg': msg['message']}
        iRet = func_getCoupon(failedCoupon['couponKey'], failedCoupon['couponName'])
        if iRet['result'] == 1:
            failedList.remove(failedCoupon)

    return failedList

# 读取暂存在配置文件中的优惠券信息
def func_readAndgetCoupon():
    
    try:
        with open('failedList.txt', 'r') as f:
            failedList = f.read()# 一次性读全部成一个字符串
            failedList = json.loads(failedList)
        
        while len(failedList) > 0:
            print('开始处理配置文件中的优惠券')
            failedList = func_getCouponByFailedList(failedList)
            try:
                retryFlag = int(input('继续么？(1 继续)'))
            except Exception as e_retryFlag:
                break

            if retryFlag != 1:
                break

    except Exception as e_func_readAndgetCoupon:
        print('暂无配置文件，将进行遍历抢券')


# 主函数
def func_main():
    
    global failedList
    succSum = 0

    # 抢本地暂存的异常券
    func_readAndgetCoupon()

    # 正常抢券
    try:
        times = int(input('抢几轮：'))
    except Exception as e_times:
        print("输入有误，将默认抢1论")
        times = 1

    try:
        sleepTime = int(input('\n几秒抢1轮：'))
    except Exception as e_sleepTime:
        print("输入有误，将默认10秒抢1轮")
        sleepTime = 10

    print("抢券开始")
    while times > 0:
        try:
            succSum += func_getCouponsList()
        except Exception as e_func_getCouponsList:
            succSum += 0            

        times -= 1
        print (time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
        print(str(sleepTime) + " 秒后，将自动进行下一轮(还剩" + str(times) + "轮)...")
        
        # 写入文件
        with open('failedList.txt', 'w+') as fw:
            fw.write(str(json.dumps(failedList, ensure_ascii = False)))
        failedList.clear()
    
        time.sleep(sleepTime)
        
    print("抢券结束，共计抢到" + str(succSum) + "张")


# 执行主函数
func_main()