CN110516776A - Offline two dimensional code is ridden method and apparatus - Google Patents

Offline two dimensional code is ridden method and apparatus Download PDF

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Publication number
CN110516776A
CN110516776A CN201910631036.2A CN201910631036A CN110516776A CN 110516776 A CN110516776 A CN 110516776A CN 201910631036 A CN201910631036 A CN 201910631036A CN 110516776 A CN110516776 A CN 110516776A
Authority
CN
China
Prior art keywords
offline
dimensional code
codes
code
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910631036.2A
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Chinese (zh)
Inventor
孟照云
宋泽尧
方琳
王盈盈
姜磊
王赛超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Yi Hang Technology Co Ltd
Original Assignee
Beijing Yi Hang Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Yi Hang Technology Co Ltd filed Critical Beijing Yi Hang Technology Co Ltd
Priority to CN201910631036.2A priority Critical patent/CN110516776A/en
Publication of CN110516776A publication Critical patent/CN110516776A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06037Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404Methods for optical code recognition
    • G06K7/1408Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/14172D bar codes

Abstract

It rides method and apparatus the invention discloses offline two dimensional code, comprising: obtain two dimensional code visa information;Obtain offline two-dimentional number of codes;Under off-line state, when offline two-dimentional number of codes is greater than zero, according to two dimensional code visa information, offline two dimensional code is generated.The method that the present invention makes mobile device still produce two dimensional code in the state of Network Abnormal, allows user equipment to realize that offline two dimensional code is ridden under the influence of not by Local Area Network factor.

Description

Offline two dimensional code is ridden method and apparatus
Technical field
The present invention relates to field of computer technology, in particular to offline two dimensional code is ridden method and apparatus.
Background technique
Public transport can be roughly divided into rail traffic, road traffic, water transport, air transportion etc., nowadays with information technology Development and Intelligent mobile equipment it is universal, also there are many more convenient, convenient means of payment in public transport field, such as Two dimensional code by bus etc..In the prior art, user is using two dimensional code when being ridden, client need network interacted with server-side into The transmission of row data is supplied to verifying equipment, such as gate equipment, barcode scanning gun to obtain effective information, carries out authentication.
But when communication network occurs abnormal, when causing client that can not carry out data interaction with server-side, user is by nothing Method is ridden using two dimensional code.
Summary of the invention
It rides method and apparatus the embodiment of the invention provides offline two dimensional code.For some sides of the embodiment to disclosure There is a basic understanding in face, and simple summary is shown below.The summarized section is not extensive overview, nor to determine pass Key/important composition element or the protection scope for describing these embodiments.Its sole purpose is some general with the presentation of simple form It reads, in this, as the preamble of following detailed description.
In a first aspect, riding method the embodiment of the invention provides a kind of offline two dimensional code, comprising:
Obtain two dimensional code visa information;
Obtain offline two-dimentional number of codes;
Under off-line state, when offline two-dimentional number of codes is greater than zero, according to two dimensional code visa information, offline two dimension is generated Code.
Optionally, under off-line state, after generating offline two dimensional code, further includes:
The offline two-dimentional number of codes of storage subtracts one.
Optionally, before obtaining two dimensional code visa information, method further include:
Raw code-bar part inquiry request is sent, raw code-bar part inquiry request includes CUSTOMER ID;
Obtain raw code membership information.
Optionally, two dimensional code visa information is obtained, comprising:
According to raw code membership information, the request of two dimensional code visa is sent.
Optionally, the two dimensional code visa information of acquisition includes encrypted two dimensional code visa information, the offline two dimension of acquisition Number of codes includes encrypted offline two-dimentional number of codes.
Second aspect is ridden equipment the embodiment of the invention provides a kind of offline two dimensional code, comprising:
Module is obtained, for obtaining two dimensional code visa information and offline two-dimentional number of codes;
Generation module, for when offline two-dimentional number of codes is greater than zero, being believed according to two dimensional code visa under off-line state Breath, generates offline two dimensional code.
Optionally, further includes:
Processing module, under off-line state, after generating offline two dimensional code, the offline two-dimentional number of codes of storage to subtract one.
Optionally, further includes::
Sending module, for sending raw code-bar part inquiry request, raw code-bar part inquiry request includes CUSTOMER ID;
Module is obtained, is also used to obtain raw code membership information.
Optionally, sending module is also used to send the request of two dimensional code visa according to raw code membership information.
Optionally, the two dimensional code visa information of acquisition includes encrypted two dimensional code visa information, the offline two dimension of acquisition Number of codes includes encrypted offline two-dimentional number of codes.
Technical solution disclosed by the invention, disclosing one kind produces mobile device still in the state of Network Abnormal The method of two dimensional code allows user equipment to realize that offline two dimensional code is ridden under the influence of not by Local Area Network factor.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is that a kind of offline two dimensional code is ridden the flow chart of method in an exemplary embodiment;
Fig. 2 is that another offline two dimensional code is ridden the flow chart of method in an exemplary embodiment;
Fig. 3 is that a kind of offline two dimensional code is ridden the schematic diagram of equipment in an exemplary embodiment.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to Practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and And the sequence of operation can change.The part of some embodiments and feature can be included in or replace other embodiments Part and feature.The range of embodiment of the present invention includes the entire scope of claims and the institute of claims There is obtainable equivalent.Herein, each embodiment can individually or generally be indicated that this is only with term " invention " It is merely for convenience, and if in fact disclosing the invention more than one, it is not meant to automatically limit the range of the application For any single invention or inventive concept.Herein, relational terms such as first and second and the like are used only for one Entity, which is perhaps operated, to be distinguished and exists without requiring or implying between these entities or operation with another entity or operation Any actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive Property include so that include a series of elements process, method or equipment not only include those elements, but also including Other elements that are not explicitly listed.Each embodiment herein is described in a progressive manner, and each embodiment stresses Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.
It rides method the embodiment of the invention discloses a kind of offline two dimensional code, as shown in Figure 1, method flow includes:
S101, two dimensional code visa information is obtained;
S102, offline two-dimentional number of codes is obtained;
S103, under off-line state, when offline two-dimentional number of codes is greater than zero, according to two dimensional code visa information, generate from Line two dimensional code.
In S101 and S102, when client network connection it is normal when, the available two dimensional code visa information of client and Offline two dimension number of codes.
Wherein, two dimensional code visa information can be generated according to user identifier, for client when network state is improper Offline urgent raw code is carried out, guarantees that client can not depend on server-side and generate offline two dimensional code.Two dimensional code visa information conduct The safe and effective voucher of offline two dimensional code, is the call parameter for generating offline two dimensional code, can verify the effective of offline two dimensional code Property, it prevents from forging offline two dimensional code completion payment.
Offline two dimension number of codes is limited for limiting life code number of the client under network state abnormal condition The life code being chronically under off-line state is made to operate by bus.
It,, can be according to offline two dimension under off-line state after client attempts to carry out network connection failure in S103 Number of codes and two dimensional code visa information, generate offline two dimensional code.
It illustratively, can be raw according to two dimensional code visa information when client detects that offline two-dimentional number of codes is greater than zero At offline two dimensional code for it is offline when use.
Technical solution disclosed by the invention, disclosing one kind produces mobile device still in the state of Network Abnormal The method of two dimensional code allows user equipment to realize that offline two dimensional code is ridden under the influence of not by Local Area Network factor.
Technical solution disclosed by the invention can be applied to a variety of offline two dimensional codes and ride scene, illustratively, public Field of traffic, user, when communication network appearance exception, cause client that can not carry out with server-side when riding using two dimensional code When data interaction, offline two dimensional code can be used and ride, complete to ride.
Optionally, after S103, can also include:
S104, storage offline two-dimentional number of codes subtract one.
Illustratively, client is every generates primary offline two dimensional code, then offline two-dimentional number of codes subtracts 1, when offline two dimensional code When quantity is reduced to 0, then offline two dimensional code can not be generated.After client networking, it can reacquire and update offline two dimension Number of codes.
Technical solution disclosed by the invention can normally generate offline two dimensional code, together in the case where guaranteeing Network Abnormal When supervises client, and periodically networking carries out data update.
In general, the specific value of offline two dimension number of codes is managed by server-side, and reality can be needed according to operation Shi Genggai.
When user generates raw code requirement in the case where network state exception, counting by bus for storage is can be used in client According to raw code is carried out, offline two-dimentional number of codes subtracts 1 after raw code, and user passes through Third-party payment channel branch after carrying out normally business by bus This expense generated by bus is paid, since terminal device network is necessary when the means of payment used is Third-party payment and pays It is online, so network state is normal at this time, the client in process active state can carry out data with server-side Interaction is updated, client can update the maximum quantity that offline two-dimentional number of codes allows to server-side after interaction.Assuming that user by This expense of riding is paid not successfully in terminal device Network Abnormal, then in secondary raw code operation by bus not by not paying friendship Easy order status influences, and can continue to generate offline two dimensional code, until offline two-dimentional number of codes is decremented to 0 time.
Optionally, before S101, can also include:
S11, raw code-bar part inquiry request is sent, raw code-bar part inquiry request includes CUSTOMER ID;
S12, raw code membership information is obtained.
Before S101 obtains two dimensional code visa information, client can first carry out S11, send raw code-bar part to server-side Inquiry request, server-side receive request after, according to CUSTOMER ID, whether searching user's information state normal, by server-side into Row inquiry checking treatment simultaneously returns the result, and whether confirmation client has raw code qualification.
Illustratively, server-side can judge whether client has raw code qualification according to the previous operational risk of user. For example, user with the presence or absence of previous transaction debt, with the presence or absence of previous risk operations, whether open channel of disbursement, whether black List list etc..
Optionally, S101 can also include:
S1011, according to raw code membership information, send the request of two dimensional code visa;
S1012, two dimensional code visa information is obtained.
After the raw code qualification verification of user passes through, server-side can return to channel of disbursement parameter, service parameter to client And the data such as offline two-dimentional number of codes.
When the raw code qualification verification of user not by when, show user trade next time have it is high can not regular way settlement wind Danger, it should refuse client and generate offline two dimensional code, make client that can not obtain two dimensional code visa information.
After client obtains raw code membership information in S12, two dimensional code visa can be initiated to the certification system of server-side Acquisition request, certification system generate two dimensional code visa according to user identification code and return to client, and client is made to obtain two dimensional code Visa information.
Optionally, in S101 and S102, the two dimensional code visa information of acquisition includes encrypted two dimensional code visa information, The offline two-dimentional number of codes obtained includes encrypted offline two-dimentional number of codes.
Further, it is close can to obtain two dimensional code visa information, offline two-dimentional number of codes and encryption from server-side for client Key, and data are encrypted offline in local.Client can also obtain encrypted two dimensional code visa information from server-side With encrypted offline two-dimentional number of codes.
Client can prevent from usurping using encrypted two dimensional code visa information and encrypted offline two-dimentional number of codes The non-secure operations means to data such as change, forge, attacking, guaranteeing the normal operation program of system.
It rides method the embodiment of the invention also discloses a kind of offline two dimensional code, can be used for the use of the fields such as public transport Code is promptly given birth to when two dimensional code is ridden offline, as shown in Fig. 2, method flow includes:
S201, raw code-bar part inquiry request is sent, raw code-bar part inquiry request includes CUSTOMER ID;
S202, raw code membership information is obtained;
S203, according to raw code membership information, send the request of two dimensional code visa;
S204, encrypted two dimensional code visa information is obtained;
S205, encrypted offline two-dimentional number of codes is obtained;
S206, under off-line state, when offline two-dimentional number of codes is greater than zero, according to two dimensional code visa information, generate from Line two dimensional code;
S207, storage offline two-dimentional number of codes subtract one.
In general, in S206, the offline two dimensional code of generation may include two dimensional code by bus, for user take it is public It is used when traffic.
S201 to S205 includes client when being connected to the network normal, is believed with server-side by data interaction more new data The process that breath is.S206 and S207 includes the process that client promptly generates offline two dimensional code when being connected to the network abnormal.
Technical solution disclosed by the invention can make terminal device generate two dimension by bus in the case where network state exception Code, and then realize normal authentication and complete to pass through.
It rides equipment 30 the invention also discloses a kind of offline two dimensional code, as shown in Figure 3, comprising:
Module 301 is obtained, for obtaining two dimensional code visa information and offline two-dimentional number of codes;
Generation module 302 is used under off-line state, when offline two-dimentional number of codes is greater than zero, according to two dimensional code visa Information generates offline two dimensional code.
Optionally, offline two dimensional code is ridden equipment 30, can also include:
Processing module 303, under off-line state, after generating offline two dimensional code, the offline two-dimentional number of codes of storage to subtract One.
Optionally, offline two dimensional code is ridden equipment 30, can also include:
Sending module 304, for sending raw code-bar part inquiry request, raw code-bar part inquiry request includes CUSTOMER ID;
Module 301 is obtained, is also used to obtain raw code membership information.
Optionally, sending module 304 are also used to send the request of two dimensional code visa according to raw code membership information.
Optionally, the two dimensional code visa information of acquisition includes encrypted two dimensional code visa information, the offline two dimension of acquisition Number of codes includes encrypted offline two-dimentional number of codes.
Offline two dimensional code disclosed by the embodiments of the present invention is ridden equipment 30, can be used for executing side as depicted in figs. 1 and 2 Method, details are not described herein again.
In the embodiment of the present invention, client by with server-side carry out data interaction, complete two dimensional code visa information and from The update of line two dimension number of codes.Particularly, server-side may include server, Cloud Server, data center or other can mention For the equipment of data service.
Illustratively, server-side may include raw code conditional systems, two dimensional code certification system and cipher key relation system etc..
Raw code conditional systems can be used for according to user identification code, inquires user and rides data, verifies the life code-bar of user Part.
Two dimensional code certification system can be used for providing two dimensional code visa letter to user after user passes through raw code-bar part verification Breath and offline two-dimentional number of codes.
Cipher key relation system can be used for generating encryption key, and encryption key opposite direction use can be used in two dimensional code certification system The two dimensional code visa information and offline two-dimentional number of codes that family is provided are encrypted, and are existed alternatively, encryption key can be used in client It is local that the two dimensional code visa information of acquisition and offline two-dimentional number of codes are encrypted offline.
Technical solution disclosed by the invention, disclosing one kind produces mobile device still in the state of Network Abnormal The method of two dimensional code allows user equipment to realize that offline two dimensional code is ridden under the influence of not by Local Area Network factor.This field skill Technical solution disclosed by the invention can be applied to the fields such as public transport in conjunction with actual use scene by art personnel.
It should be understood that the invention is not limited to the process and structure that are described above and are shown in the accompanying drawings, And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by the attached claims System.

Claims (10)

  1. A kind of method 1. offline two dimensional code is ridden, comprising:
    Obtain two dimensional code visa information;
    Obtain offline two-dimentional number of codes;
    Under off-line state, when the offline two-dimentional number of codes is greater than zero, according to the two dimensional code visa information, described in generation Offline two dimensional code.
  2. 2. the method as described in claim 1, which is characterized in that under off-line state, after generating the offline two dimensional code, also wrap It includes:
    The offline two-dimentional number of codes of storage subtracts one.
  3. 3. the method as described in claim 1, which is characterized in that before obtaining the two dimensional code visa information, the method is also Include:
    Raw code-bar part inquiry request is sent, the raw code-bar part inquiry request includes CUSTOMER ID;
    Obtain raw code membership information.
  4. 4. method as claimed in claim 3, which is characterized in that obtain the two dimensional code visa information, comprising:
    According to the raw code membership information, the request of two dimensional code visa is sent.
  5. 5. the method as described in claim 1, which is characterized in that the two dimensional code visa information of acquisition includes encrypted two Code visa information is tieed up, the offline two-dimentional number of codes of acquisition includes encrypted offline two-dimentional number of codes.
  6. The equipment 6. a kind of offline two dimensional code is ridden, comprising:
    Module is obtained, for obtaining two dimensional code visa information and offline two-dimentional number of codes;
    Generation module is used under off-line state, when the offline two-dimentional number of codes is greater than zero, according to the two dimensional code visa Information generates the offline two dimensional code.
  7. 7. equipment as claimed in claim 6, which is characterized in that further include:
    Processing module, under off-line state, after generating the offline two dimensional code, the offline two-dimentional number of codes of storage to subtract One.
  8. 8. equipment as claimed in claim 6, which is characterized in that further include::
    Sending module, for sending raw code-bar part inquiry request, the raw code-bar part inquiry request includes CUSTOMER ID;
    The acquisition module is also used to obtain raw code membership information.
  9. 9. equipment as claimed in claim 8, which is characterized in that
    The sending module is also used to send the request of two dimensional code visa according to the raw code membership information.
  10. 10. equipment as claimed in claim 6, which is characterized in that the two dimensional code visa information of acquisition includes encrypted Two dimensional code visa information, the offline two-dimentional number of codes of acquisition include encrypted offline two-dimentional number of codes.
CN201910631036.2A 2019-07-12 2019-07-12 Offline two dimensional code is ridden method and apparatus Pending CN110516776A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111967556A (en) * 2020-08-11 2020-11-20 福建博思数字科技有限公司 Two-dimensional code offline generation method and storage medium
CN112365256A (en) * 2020-11-06 2021-02-12 中国银联股份有限公司 Payment code management method, terminal device, server, system and storage medium
CN113327107A (en) * 2020-12-31 2021-08-31 南京联创互联网技术有限公司 Offline riding code application method based on local storage of mobile client

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107194688A (en) * 2017-05-16 2017-09-22 冯汉江 In payment system and its method of the offline scenario based on Quick Response Code
US20180068290A1 (en) * 2015-05-25 2018-03-08 Alibaba Group Holding Limited Transaction scheme for offline payment
CN107818463A (en) * 2017-09-25 2018-03-20 九派天下支付有限公司 A kind of offline electronic payment method and system based on TOTP algorithms
CN108234517A (en) * 2018-01-29 2018-06-29 成都智元汇信息技术股份有限公司 A kind of subway based on offline Quick Response Code ticket card is ridden off-line processing system and method
CN108712383A (en) * 2018-04-17 2018-10-26 新大陆(福建)公共服务有限公司 A kind of generation method and computer readable storage medium of offline secure Quick Response Code

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180068290A1 (en) * 2015-05-25 2018-03-08 Alibaba Group Holding Limited Transaction scheme for offline payment
CN107194688A (en) * 2017-05-16 2017-09-22 冯汉江 In payment system and its method of the offline scenario based on Quick Response Code
CN107818463A (en) * 2017-09-25 2018-03-20 九派天下支付有限公司 A kind of offline electronic payment method and system based on TOTP algorithms
CN108234517A (en) * 2018-01-29 2018-06-29 成都智元汇信息技术股份有限公司 A kind of subway based on offline Quick Response Code ticket card is ridden off-line processing system and method
CN108712383A (en) * 2018-04-17 2018-10-26 新大陆(福建)公共服务有限公司 A kind of generation method and computer readable storage medium of offline secure Quick Response Code

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111967556A (en) * 2020-08-11 2020-11-20 福建博思数字科技有限公司 Two-dimensional code offline generation method and storage medium
CN112365256A (en) * 2020-11-06 2021-02-12 中国银联股份有限公司 Payment code management method, terminal device, server, system and storage medium
CN113327107A (en) * 2020-12-31 2021-08-31 南京联创互联网技术有限公司 Offline riding code application method based on local storage of mobile client

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Application publication date: 20191129