Train Api

Wang Tiven

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调用顺序

Get captcha-image
captcha-check
/passport/web/login => uamtk
/passport/web/auth/uamtk => newapptk
/otn/uamauthclient => apptk 此步要调用，它会在cookie里设置tk=apptk

点击查询按钮

Query Left Ticket https://kyfw.12306.cn/otn/leftTicket/queryZ?leftTicketDTO.train_date=2018-01-28&leftTicketDTO.from_station=SHH&leftTicketDTO.to_station=UUH&purpose_codes=ADULT

点击预订按钮

checkUser 检查用户登录状态还是否有效（如果登录无效会弹出登录窗口，页面不跳转） https://kyfw.12306.cn/otn/login/checkUser
submitOrderRequest 预提交订单 https://kyfw.12306.cn/otn/leftTicket/submitOrderRequest

点击 ** 按钮

点击登录会调用

loginClick in https://kyfw.12306.cn/otn/resources/merged/login_UAM_js.js?scriptVersion=1.9075

verifyLoginUser()

ajax:

{
  "url": "https://kyfw.12306.cn/passport/web/login",
  "data": {
    "username": "",
    "password": "",
    "appid": "otn"
  },
  "type": "POST",
  "dataType": "json",
  "xhrFields": {
    withCredentials: true
  },
  "success": `function(e) {
                dhtmlx.modalbox.hide(k);
                if (e.result_code == 0) {
                    $.submitLogin()
                } else {
                    dhtmlx.alert({
                        title: messages["message.error"],
                        ok: messages["button.ok"],
                        text: e.result_message,
                        type: "alert-error",
                        callback: function() {}
                    });
                    if ("Y" == ifShowRandCode && "Y" == openRandCodeCheck) {
                        $.refreshImg("login", "sjrand");
                        $("#randCode").val("")
                    }
                    $("#password").val("");
                    return false
                }
            }`
}

Cookie: JSESSIONID=E422CD90221E139137A23881AB380AA5; route=495c805987d0f5c8c84b14f60212447d; BIGipServerotn=1490616586.50210.0000; BIGipServerpassport=887619850.50215.0000; RAIL_EXPIRATION=1516888514432; RAIL_DEVICEID=BUDllF83rIg8WbCrkztInw4nMU-21NIjmLDk5wS_lbQ1RlQwbORtlKtfFAGXHfv7VVlz6s6m38DnkcJIHmkaz4dh4OIM-ybyZ4cQpBZtDosbFu53hl8WWH-iYIvo3HsNIZfkS0qpfQMVgf9Zy1h-ytrTfozna-B4; current_captcha_type=Z; _jc_save_wfdc_flag=dc; _jc_save_fromStation=%u4E0A%u6D77%2CSHH; _jc_save_toStation=%u5F90%u5DDE%u4E1C%2CUUH; _jc_save_showIns=true; _jc_save_toDate=2018-01-24; _jc_save_fromDate=2018-02-10; acw_tc=AQAAAJaiRTFGTQcAWSxrcbmdQsQieRp9

SubmitOrderRequest

Check User

正常返回结果：

{
  "validateMessagesShowId": "_validatorMessage",
  "status": true,
  "httpstatus": 200,
  "data": {
    "flag": true
  },
  "messages": [],
  "validateMessages": {}
}

Submit Order Request

secretStr 字符串要先解码，因为放到 Request 请求里后会再编码

{
  "validateMessagesShowId": "_validatorMessage",
  "status": false,
  "httpstatus": 200,
  "messages": ["提交失败，请重试..."],
  "validateMessages": {}
}

Passengers

POST https://kyfw.12306.cn/otn/confirmPassenger/getPassengerDTOs

Request Headers:

Content-Type:application/x-www-form-urlencoded; charset=UTF-8
Cookie:JSESSIONID=913D6088A0465098BD60C1AD8ADE0A98; tk=CjnCaQkHmP-fv_aLZRge9X5KXkg4mM87bUx9PBa5M-Ufsa1a0; route=495c805987d0f5c8c84b14f60212447d; BIGipServerotn=1490616586.50210.0000; BIGipServerpassport=887619850.50215.0000; RAIL_EXPIRATION=1516888514432; RAIL_DEVICEID=BUDllF83rIg8WbCrkztInw4nMU-21NIjmLDk5wS_lbQ1RlQwbORtlKtfFAGXHfv7VVlz6s6m38DnkcJIHmkaz4dh4OIM-ybyZ4cQpBZtDosbFu53hl8WWH-iYIvo3HsNIZfkS0qpfQMVgf9Zy1h-ytrTfozna-B4; current_captcha_type=Z; _jc_save_wfdc_flag=dc; _jc_save_fromStation=%u4E0A%u6D77%2CSHH; _jc_save_toStation=%u5F90%u5DDE%u4E1C%2CUUH; _jc_save_showIns=true; acw_tc=AQAAAJaiRTFGTQcAWSxrcbmdQsQieRp9; _jc_save_toDate=2018-01-25; _jc_save_fromDate=2018-01-27
Host:kyfw.12306.cn
Origin:https://kyfw.12306.cn
Referer:https://kyfw.12306.cn/otn/confirmPassenger/initDc

Form data:

_json_att:
REPEAT_SUBMIT_TOKEN:f11482ceb95fe169b81666d1703fb1fb

Submit Order

提交订单 会调用两个API

/confirmPassenger/checkOrderInfo

/confirmPassenger/getQueueCount

Check Order Info

POST https://kyfw.12306.cn/otn/confirmPassenger/checkOrderInfo

Body:

cancel_flag=2&bed_level_order_num=000000000000000000000000000000&passengerTicketStr=1%2C0%2C1%2C%E7%8E%8B%E4%BD%93%E6%96%87%2C1%2C372925198804206310%2C%2CN&oldPassengerStr=%E7%8E%8B%E4%BD%93%E6%96%87%2C1%2C372925198804206310%2C1_&tour_flag=dc&randCode=&whatsSelect=1&_json_att=&REPEAT_SUBMIT_TOKEN=6a6dc76a1dd998299d4655d0a209e335

Response:

{
  "validateMessagesShowId": "_validatorMessage",
  "status": true,
  "httpstatus": 200,
  "data": {
    "ifShowPassCode": "N",
    "canChooseBeds": "N",
    "canChooseSeats": "N",
    "choose_Seats": "MOP9",
    "isCanChooseMid": "N",
    "ifShowPassCodeTime": "1",
    "submitStatus": true,
    "smokeStr": ""
  },
  "messages": [],
  "validateMessages": {}
}

Submit Order Request

function submitOrderRequest in https://kyfw.12306.cn/otn/resources/merged/queryLeftTicket_end_js.js?scriptVersion=1.9075

提交前检查用户登录状态，如果登录状态失效则弹出窗口重新登录，登录成功后调用提交函数。如果检查用户状态有效则直接提交订单。

Get Queue Count

POST https://kyfw.12306.cn/otn/confirmPassenger/getQueueCount

Request Body:

train_date:Thu Jan 25 2018 00:00:00 GMT+0800 (China Standard Time)
train_no:5e00000K76B3
stationTrainCode:K76
seatType:1
fromStationTelecode:SNH
toStationTelecode:XCH
leftTicket:XTBVCUUTulB%2BreE0gJQF2Y8E4wr%2BozjlZp%2FN0%2FRQmpgZH5CxA84tgtkbBXA%3D
purpose_codes:00
train_location:H3
_json_att:
REPEAT_SUBMIT_TOKEN:6a6dc76a1dd998299d4655d0a209e335

Response:

{
  "validateMessagesShowId": "_validatorMessage",
  "status": true,
  "httpstatus": 200,
  "data": {
    "count": "7",
    "ticket": "1,43",
    "op_2": "false",
    "countT": "0",
    "op_1": "true"
  },
  "messages": [],
  "validateMessages": {}
}

/data/ticket = 1,43 :本次列车，硬座余票1张,无座余票43张

Confirm Order

点击确认会调用

qr_submitClickEvent in https://kyfw.12306.cn/otn/resources/merged/passengerInfo_js.js?scriptVersion=1.9075

ticketInfoForPassengerForm.isAsync

正在处理，请稍候。

{
  "passengerTicketStr": "1,0,1,王体文,1,372925198804206310,,N",
  "oldPassengerStr": "王体文,1,372925198804206310,1_",
  "randCode": "",
  "purpose_codes": "00",
  "key_check_isChange": "3A5702D3018024C64714BEE1BEEDF095AC432B28FEC97779C6D49EF8",
  "leftTicketStr": "XTBVCUUTulB%2BreE0gJQF2Y8E4wr%2BozjlZp%2FN0%2FRQmpgZH5CxA84tgtkbBXA%3D",
  "train_location": "H3",
  "choose_seats": "",
  "seatDetailType": "000",
  "whatsSelect": "1"
}

confirmPassenger/confirmSingleForQueue

{
  "url": "/otn/confirmPassenger/confirmSingleForQueue",
  "data": {
    "passengerTicketStr": "1,0,1,王体文,1,372925198804206310,,N",
    "oldPassengerStr": "王体文,1,372925198804206310,1_",
    "randCode": "",
    "purpose_codes": "00",
    "key_check_isChange": "3A5702D3018024C64714BEE1BEEDF095AC432B28FEC97779C6D49EF8",
    "leftTicketStr": "XTBVCUUTulB%2BreE0gJQF2Y8E4wr%2BozjlZp%2FN0%2FRQmpgZH5CxA84tgtkbBXA%3D",
    "train_location": "H3",
    "choose_seats": "",
    "seatDetailType": "000",
    "whatsSelect": "1",
    "roomType": "00",
    "dwAll": "N"
  },
  "type": "POST",
  "dataType": "json",
  "success": `function(Z) {
                    if (Z.status) {
                        if (!Z.data.submitStatus) {
                            l("出票失败!", false, "原因： " + Z.data.errMsg + '<a id="xg_close_win_id" >点击修改</a>', false, "lose");
                            $("#xg_close_win_id").click(function() {
                                closeWin("transforNotice_id", true);
                                $("#i-ok").css("display", "none")
                            })
                        } else {
                            var aa = new OrderQueueWaitTime(V,v,Q);
                            aa.start()
                        }
                    } else {
                        l("订票失败!", true, "很抱歉！请关闭窗口重新预定车票", true, "lose")
                    }
                }`,
  "error": `function(Z, ab, aa) {
                    l("订票失败!", true, "很抱歉！网络忙，请关闭窗口稍后再试。", true, "lose");
                    return
                }`
}

confirmPassenger/confirmGoForQueue

confirmPassenger/confirmBackForQueue

confirmPassenger/confirmResignForQueue

Problems

302 Moved Temporarily

Request Headers 设置不完整会出现此问题。

服务器经常返回 302 错误，具体 Headers 如下。 Response headers:

{
  "location": "http://www.12306.cn/mormhweb/logFiles/error.html",
  "server": "Cdn Cache Server V2.0",
  "mime-version": "1.0",
  "date": "Tue, 30 Jan 2018 05:13:38 GMT",
  "content-type": "text/html",
  "content-length": "0",
  "expires": "Tue, 30 Jan 2018 05:13:38 GMT",
  "x-via": "1.0 tongdianxin79:2 (Cdn Cache Server V2.0)",
  "connection": "close",
  "x-cdn-src-port": "42207"
}

https://segmentfault.com/a/1190000006673084

https://stackoverflow.com/questions/973098/what-does-http-1-1-302-mean-exactly

References

https://www.jianshu.com/p/016307d4d1eb

https://www.cnblogs.com/dare/p/8286781.html

http://www.webkf.net/index/62/94430.html

Python

python -m pip install Pillow

Train Api

调用顺序

Login

SubmitOrderRequest

Check User

Submit Order Request

Passengers

Submit Order

Check Order Info

Submit Order Request

Get Queue Count

Confirm Order

confirmPassenger/confirmSingleForQueue

confirmPassenger/confirmGoForQueue

confirmPassenger/confirmBackForQueue

confirmPassenger/confirmResignForQueue

Problems

302 Moved Temporarily

References

Python

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