try:
        time.sleep(random.randint(1,2))
        response = requests.get(url)
except Exception as e:
    print("获取票价失败"+"|"+url,e)
    # 请求页面失败,所有票价为空
    data_dic = {}
else:
    # 请求页面成功
    if response.status_code == 200:
        # 获取票价成功,提取票价
        data = json.loads(response.text)
        data_dic = data["data"]
    else:
        # 获取票价失败,或许是系统维护原因
        data_dic = {}