抓包工具之fiddler

抓包工具之fiddler

一、HTTP代理

二、fiddler

2.1 安装

2.2 认识fiddler

2.3 app抓包

三、综合练习

利用fiddler抓包，编写一个12306火车票查票程序

import requests
import json
import csv
#  注意cookie值会过期，报错，请重新设置cookie
headers = {
    'Cookie': 'BIGipServerpool_index=821035530.43286.0000; RAIL_EXPIRATION=1572017654075; RAIL_DEVICEID=AdfXWpWAdOcsfqpZcp69z03jVG2YmLBqQF2VenNG5feRJSf0QS7WxtLeTWxrilU3rQGv03d74zyJVwZRYLEFV_kr2_Hn1fVGPjGaWh3ehYI3eZsJ9xfGB9K21c9jMKf04A8NnCrVXCptD2U7u9U_bb-XwC52ptaJ; route=6f50b51faa11b987e576cdb301e545c4; BIGipServerotn=904921610.38945.0000',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.75 Safari/537.36'
}


class CheckTicket:
    def __init__(self, date, from_station, to_station, headers=None):
        self.date = date
        self.from_station = from_station
        self.to_station = to_station
        self.headers = headers
        self.station_data = {}
        # 获取所有车站信息
        station = requests.get(
            "https://kyfw.12306.cn/otn/resources/js/framework/station_name.js?station_version=1.9114",
            headers=self.headers)
        # print(station.text)
        station_str = station.text
        station_list = station_str.split("@")[1:]
        # 车站名与代号进行映射
        for i in station_list:
            station_name = i.split("|")[1:3]
            self.station_data[station_name[0]] = station_name[1]
            # print(station_name)
        # print(station_list)
        print(self.station_data)

    def check_result(self):
        url = "https://kyfw.12306.cn/otn/leftTicket/query?leftTicketDTO.train_date={}&leftTicketDTO.from_station={}&leftTicketDTO.to_station={}&purpose_codes=ADULT".format(
            self.date, self.station_data[self.from_station], self.station_data[self.to_station])
        res = requests.get(url, headers=self.headers)
        res.encoding = "utf-8"
        # print(res.text)
        data = json.loads(res.text)
        # print(data, type(data))
        results = data["data"]["result"]
        print(results, len(results))
        t_headers = ["车次", "上车站", "下车站", "出发时间", "到达时间", "耗时", "高级软卧", "软卧", "软座", "无座", "硬卧", "硬座", "二等座", "一等座",
                     "商务座"]
        result_list = []  # 用来存储最终查询的结果（列车的所有信息）
        for result in results:
            # 对每辆列车的信息进行切割，再与t_headers进行关系映射
            res_msg = result.split("|")[3:]
            for i in range(10):
                del res_msg[8]
            for i in range(6):
                del res_msg[-1]
            del res_msg[9]
            del res_msg[12]
            del res_msg[14]
            for i in range(2):
                del res_msg[1]
            for i in range(1, 3):
                # 通过字典的值，找到对应的键
                key_list = list(self.station_data.keys())
                value_index = list(self.station_data.values()).index(res_msg[i])
                res_msg[i] = key_list[value_index]
            # 更改数据类型，添加到列表，统一写入
            res_tuple = tuple(res_msg)
            result_list.append(res_tuple)
            print(res_msg)
        with open("check_ticket.csv", "w", encoding="gbk")as f:
            write = csv.writer(f)
            write.writerow(t_headers)
            write.writerows(result_list)


if __name__ == "__main__":
    my_check = CheckTicket(date="2019-10-30", from_station="长沙", to_station="深圳", headers=headers)
    my_check.check_result()

效果图