CN110598500A - Variable data transfer method and system based on NFC - Google Patents
Variable data transfer method and system based on NFC Download PDFInfo
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- CN110598500A CN110598500A CN201911029939.XA CN201911029939A CN110598500A CN 110598500 A CN110598500 A CN 110598500A CN 201911029939 A CN201911029939 A CN 201911029939A CN 110598500 A CN110598500 A CN 110598500A
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- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
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- G06K7/10158—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field
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Abstract
The invention provides a variable data transmission method and system based on NFC, which generate a request instruction according to a preset format standard through an inquiry end, send the request instruction to an answering end, then the answering end generates response data with a dynamic change form after receiving the request instruction, the response data can be formed according to the request instruction, or according to entity data stored by the answering end, or through logic operation of the answering end, so that the response data is not only fixed static data, which can be dynamically changed according to different data transmission scenes, and finally the answering end also transmits the response data back to the inquiry end according to an NDEF data exchange format to complete a corresponding variable data transmission process of NFC.
Description
Technical Field
The invention relates to the technical field of near field communication data transmission, in particular to a variable data transmission method and system based on NFC.
Background
Near field communication technology, especially NFC near field communication technology, is widely used for data communication between mobile terminals such as mobile phones and different sensing devices. NFC near field communication technology can ensure that data is transferred between a mobile terminal and an inductive device efficiently, safely, and quickly. The NFC near field communication method related to the mobile terminal in the prior art stores fixed data in the sensing device in advance, the mobile terminal sends a request instruction to the sensing device through the NFC system, the sensing device responds to the request instruction and feeds back the fixed data stored in the request instruction to the mobile terminal, and in the data transmission process, the mobile terminal can only obtain static fixed data from the sensing equipment, the sensing equipment can not feed back dynamically changed data because the mobile terminal sends different request instructions, it can be seen that the existing NFC near field communication method can only perform static backhaul of single intrinsic data, the dynamic change of the returned data cannot be performed by itself, which seriously reduces the applicability and diversity of data transmission of the NFC near field communication, and cannot meet the requirement for dynamic data transmission of the NFC near field communication.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a variable data transfer method and system based on NFC, the variable data transmission method and system based on NFC generates a request instruction according to a preset format standard through a query terminal and sends the request instruction to a response terminal, then the response end generates response data with dynamic change form after receiving the request instruction, the response data may be formed from the request instruction, or from entity data stored by the responder itself, or by logical operations of the responder itself, so that the response data is not the only fixed static data, the response terminal can be data which dynamically changes according to different data transmission scenes, and finally the response terminal transmits the response data back to the inquiry terminal according to an NDEF data exchange format so as to complete the corresponding NFC variable data transmission process. Therefore, the generation of the response data in the variable data transmission method and system based on the NFC is not limited by the request instruction or the entity data stored by the response terminal, and the response data can be dynamically changed in different NFC near field data transmission scenes, so that the safety and the confidentiality of the NFC near field data transmission are improved, and the personalized NFC near field data transmission can be performed according to different scenes, so that the requirements of different NFC near field communication data transmission are met.
The invention provides a variable data transfer method based on NFC, which is characterized by comprising the following steps:
step S1, generating a request instruction through a query end, and sending the request instruction to a response end, wherein the request instruction is formed according to a preset format standard;
step S2, after receiving the request instruction, the response end generates response data in a dynamic change form;
step S3, the answering end transmits the answering data back to the inquiring end according to the NDEF data exchange format;
further, in the step S1, generating a request command by the inquiring end, and sending the request command to the answering end specifically includes,
step S101, the query terminal generates the request instruction with the loading identifier according to the preset format standard;
step S102, the inquiry terminal also adjusts the sending state of the request instruction according to a preset instruction combination mode and/or a preset instruction sending time sequence mode;
step S103, the inquiry terminal sends the request instruction after the sending adjustment to the inquiry terminal;
further, in step S101, the generating, by the query end, the request instruction with a load identifier according to the preset format standard specifically includes,
acquiring identification attribute information of the query terminal, and generating the loading identifier according to the identification attribute information;
or,
in step S102, the query terminal further adjusts the sending status of the request command according to a preset command combination mode and/or a preset command sending timing mode specifically includes,
step S1021, changing the combination state of the request instruction according to at least one of the number of different instructions, the superposition of different instructions and the arrangement sequence of different instructions to form a plurality of different preset instruction combination modes;
step S1022, changing the sending timing state of the request instruction according to at least one of the sending time interval of different instructions, the repeated sending frequency of different instructions, and the repeated sending times of different instructions, so as to form a plurality of different preset instruction sending timing modes;
step S1023, according to the plurality of different preset instruction combination modes and/or the plurality of different preset instruction sending time sequence modes, the sending state of the request instruction to be sent of the inquiry terminal is adjusted;
further, in step S2, the step of generating, by the response terminal, response data in a dynamically changing form after receiving the request instruction specifically includes,
step S201, after receiving the request command, the response end triggers to form a plurality of response data generation modes, wherein the plurality of response data generation modes comprise at least one of taking entity data prestored in the response end as the response data, generating the response data according to the response calculation prestored entity data conversion, and generating the response data according to a preset logic operation rule;
step S202, based on the request instruction, carrying out random adjustment processing or adjustment processing about a preset rule on the response data generated by the plurality of response data generation modes to obtain the response data with a dynamic change form;
further, in step S3, the step of the answering end transmitting the answer data back to the inquiring end according to the NDEF data exchange format specifically includes,
step S301, the response end checks the response data according to the NDEF data exchange format;
step S302, the answering terminal further transmits the response data after the verification processing back to the inquiring terminal according to a preset feedback rule.
The invention also provides a variable data transfer system based on NFC, which is characterized in that:
the variable NFC-based data transfer system comprises a query terminal and a reply terminal; wherein,
the inquiry end and the response end transmit variable data based on an NFC data exchange format;
the inquiry terminal comprises a request instruction generating unit and a request instruction sending unit;
the request instruction generating unit is used for forming a request instruction according to a preset format standard;
the request sending unit is used for sending the request instruction to the response end;
the response end comprises a response data generation unit and a response data return unit;
the response data generating unit is used for generating response data in a dynamic change form after receiving the request instruction;
the response data returning unit is used for returning the response data to the inquiry terminal according to a preset NFC data exchange format;
further, the response data generating unit comprises a loading identifier generating subunit, a request instruction integrating subunit and a request instruction sending state adjusting subunit; wherein,
the loading identifier generating subunit is configured to perform, on the identification attribute information of the query end, calculation processing on a hash feature value to generate a loading identifier;
the request instruction integration subunit is configured to integrate the load identifier into the request instruction;
the request instruction sending state adjusting subunit is used for adjusting the sending state of the request instruction according to a preset instruction combination mode and/or a preset instruction sending time sequence mode;
further, the sending state adjustment of the request instruction by the request instruction sending state adjustment subunit specifically includes,
the request instruction sending state adjusting subunit changes the combination state of the request instructions according to at least one of the number of different instructions, the superposition of different instructions and the arrangement sequence of different instructions to form a plurality of different preset instruction combination modes,
or,
the request instruction sending state adjusting subunit changes the sending time sequence state of the request instruction according to at least one of sending time intervals of different instructions, repeated sending frequencies of different instructions and repeated sending times of different instructions to form a plurality of different preset instruction sending time sequence modes;
the request instruction sending state adjusting subunit further adjusts the sending state of the request instruction to be sent by the inquiry terminal according to the plurality of different preset instruction combination modes and/or the plurality of different preset instruction sending time sequence modes;
further, the response data generating unit comprises a response data logic determining subunit and a response data dynamic adjusting subunit; wherein,
the answer data logic determining subunit is configured to determine to obtain the answer data according to at least one of the following manners, where the at least one manner includes using entity data pre-stored by the answer side as the answer data, converting the entity data pre-stored by the answer calculation to generate the answer data, or generating the answer data according to a preset logic operation rule;
the response data dynamic adjustment subunit is configured to perform random adjustment processing or adjustment processing on a preset rule on the determined response data to obtain the response data in a dynamic change form;
further, the response data returning unit comprises a verification processing subunit and a returning and sending subunit; wherein,
the verification processing subunit is configured to perform verification processing on the response data according to the preset NFC data exchange mode;
and the return transmitting unit is used for returning the response data after the verification processing to the inquiring terminal according to a preset return rule.
Compared with the prior art, the variable data transmission method and system based on NFC generate a request instruction according to a preset format standard through an inquiry terminal, and send the request instruction to an answering terminal, and then the answering terminal generates answer data with a dynamic change form after receiving the request instruction, wherein the answer data can be formed according to the request instruction, or according to entity data stored by the answering terminal itself, or through logic operation of the answering terminal itself, so that the answer data is not only fixed static data, and can be data dynamically changed according to different data transmission scenes, and finally the answering terminal also transmits the answer data back to the inquiry terminal according to an NDEF data exchange format to complete a corresponding variable data transmission process of NFC. Therefore, the generation of the response data in the variable data transmission method and system based on the NFC is not limited by the request instruction or the entity data stored in the response terminal, and the response data can be dynamically changed in different NFC near field data transmission scenes, so that the safety and the confidentiality of NFC near field data transmission are improved, and personalized NFC near field data transmission can be performed according to different scenes, so that the requirements of different NFC near field communication data transmission are met.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a variable data transfer method based on NFC according to the present invention.
Fig. 2 is a schematic structural diagram of a variable data transfer system based on NFC according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flowchart of a variable data transfer method based on NFC according to an embodiment of the present invention. The variable data transfer method based on NFC comprises the following steps:
and step S1, generating a request instruction by the inquiring terminal, and sending the request instruction to the answering terminal, wherein the request instruction is formed according to a preset format standard.
Preferably, in the step S1, the generating the request command by the inquiring end, and the sending the request command to the answering end specifically includes,
step S101, the inquiry terminal generates the request instruction with the loading identifier through the preset format standard;
step S102, the inquiry terminal also adjusts the sending state of the request instruction according to a preset instruction combination mode and/or a preset instruction sending time sequence mode;
step S103, the query end transmits the request instruction after the transmission adjustment to the query end.
Preferably, in step S101, the query end generating the request instruction with the loading identifier according to the preset format standard specifically includes,
and acquiring the identification attribute information of the inquiry terminal, and generating the loading identifier according to the identification attribute information.
Preferably, in step S102, the inquiring terminal further adjusts the sending status of the request command according to a preset command combination mode and/or a preset command sending timing mode, specifically including,
step S1021, according to at least one of the number of different instructions, the superposition of different instructions and the arrangement sequence of different instructions, changing the combination state of the request instruction to form a plurality of different preset instruction combination modes;
step S1022, changing the sending timing state of the request command according to at least one of the sending time interval of different commands, the repeated sending frequency of different commands, and the repeated sending times of different commands, so as to form a plurality of different preset command sending timing modes;
step S1023, adjusting the sending state of the request command to be sent by the query end according to the plurality of different preset command combination modes and/or the plurality of different preset command sending timing modes.
In step S2, the responder generates response data in a dynamically changing format after receiving the request command.
Preferably, in step S2, the step of generating the response data with dynamically changing form by the response end after receiving the request command includes specifically,
step S201, after receiving the request command, the response end triggers to form a plurality of response data generation modes, wherein the plurality of response data generation modes comprise at least one of taking entity data prestored in the response end as the response data, converting and generating the response data according to the entity data prestored in the response calculation and generating the response data according to a preset logic operation rule;
step S202, based on the request instruction, performing random adjustment processing or adjustment processing on a preset rule on the response data generated by the plurality of response data generation modes to obtain the response data with a dynamic change form.
In step S3, the responder returns the response data to the interrogator according to the NDEF data exchange format.
Preferably, in the step S3, the answering end transmitting the answering data back to the inquiring end according to the NDEF data exchange format specifically includes,
step S301, the response end checks the response data according to the NDEF data exchange format;
step S302, the answering terminal further transmits the response data after the verification process back to the inquiring terminal according to a preset feedback rule.
Fig. 2 is a schematic structural diagram of a variable data transfer system based on NFC according to an embodiment of the present invention. The variable data transmission system based on NFC comprises a query terminal and a reply terminal; wherein,
the inquiry terminal and the response terminal transmit variable data based on an NFC data exchange format;
the inquiry terminal comprises a request instruction generating unit and a request instruction sending unit;
the request instruction generating unit is used for forming a request instruction according to a preset format standard;
the request sending unit is used for sending the request instruction to the response end;
the response end comprises a response data generation unit and a response data return unit;
the response data generating unit is used for generating response data in a dynamic change form after receiving the request instruction;
the response data returning unit is used for returning the response data to the inquiry terminal according to a preset NFC data exchange format.
Preferably, the response data generating unit includes a load identifier generating subunit, a request instruction integrating subunit, and a request instruction sending state adjusting subunit;
preferably, the load identifier generation subunit is configured to perform, on the identification attribute information of the query end, calculation processing on a hash feature value to generate a load identifier;
preferably, the request instruction integration subunit is configured to integrate the load identifier into the request instruction;
preferably, the request instruction sending state adjusting subunit is configured to adjust the sending state of the request instruction according to a preset instruction combination mode and/or a preset instruction sending timing mode;
preferably, the sending state adjustment of the request instruction by the request instruction sending state adjustment subunit specifically includes,
the request instruction sending state adjusting subunit changes the combination state of the request instructions according to at least one of the number of different instructions, the superposition of different instructions and the arrangement sequence of different instructions to form a plurality of different preset instruction combination modes,
or,
the request instruction sending state adjusting subunit changes the sending time sequence state of the request instruction according to at least one of the sending time interval of different instructions, the repeated sending frequency of different instructions and the repeated sending times of different instructions so as to form a plurality of different preset instruction sending time sequence modes;
preferably, the request instruction sending state adjusting subunit further adjusts the sending state of the request instruction to be sent by the query terminal according to the plurality of different preset instruction combination modes and/or the plurality of different preset instruction sending timing modes;
preferably, the response data generating unit comprises a response data logic determining subunit and a response data dynamic adjusting subunit;
preferably, the answer data logic determination subunit is configured to determine to obtain the answer data according to at least one manner, where the at least one manner includes using entity data pre-stored by the answer end as the answer data, converting the entity data pre-stored according to the answer calculation to generate the answer data, or generating the answer data according to a preset logic operation rule;
preferably, the response data dynamic adjustment subunit is configured to perform random adjustment processing or adjustment processing on a preset rule on the determined response data to obtain the response data in the dynamic change form;
preferably, the response data returning unit comprises a verification processing subunit and a returning sending subunit;
preferably, the verification processing subunit is configured to perform verification processing on the response data according to the preset NFC data exchange mode;
preferably, the feedback sending unit is configured to send the response data subjected to the verification processing back to the query end according to a preset feedback rule.
As can be seen from the above description of the embodiments, the variable data transmission method and system based on NFC generate a request instruction according to a preset format standard through a query end, and send the request instruction to a response end, then the response end generates response data with a dynamically changing form after receiving the request instruction, where the response data may be formed according to the request instruction, or according to entity data stored by the response end itself, or through a logic operation of the response end itself, so that the response data is not unique fixed static data, which can be data dynamically changing according to different data transmission scenarios, and finally the response end also transmits the response data back to the query end according to an NDEF data exchange format, so as to complete a corresponding NFC variable data transmission process. Therefore, the generation of the response data in the variable data transmission method and system based on the NFC is not limited by the request instruction or the entity data stored in the response terminal, and the response data can be dynamically changed in different NFC near field data transmission scenes, so that the safety and the confidentiality of NFC near field data transmission are improved, and personalized NFC near field data transmission can be performed according to different scenes, so that the requirements of different NFC near field communication data transmission are met.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An NFC-based variable data transfer method, comprising the steps of:
step S1, generating a request instruction through a query end, and sending the request instruction to a response end, wherein the request instruction is formed according to a preset format standard;
step S2, after receiving the request instruction, the response end generates response data in a dynamic change form;
step S3, the answering end returns the response data to the inquiring end according to the NDEF data exchange format.
2. The NFC-based variable data transfer method of claim 1, wherein:
in step S1, the generating the request command by the inquiring end and the sending the request command to the answering end specifically includes,
step S101, the query terminal generates the request instruction with the loading identifier according to the preset format standard;
step S102, the inquiry terminal also adjusts the sending state of the request instruction according to a preset instruction combination mode and/or a preset instruction sending time sequence mode;
step S103, the query end sends the request instruction after the sending adjustment to the query end.
3. The NFC-based variable data transfer method of claim 2, wherein:
in step S101, the generating, by the query end, the request instruction with the load identifier according to the preset format standard specifically includes,
acquiring identification attribute information of the query terminal, and generating the loading identifier according to the identification attribute information;
or,
in step S102, the query terminal further adjusts the sending status of the request command according to a preset command combination mode and/or a preset command sending timing mode specifically includes,
step S1021, changing the combination state of the request instruction according to at least one of the number of different instructions, the superposition of different instructions and the arrangement sequence of different instructions to form a plurality of different preset instruction combination modes;
step S1022, changing the sending timing state of the request instruction according to at least one of the sending time interval of different instructions, the repeated sending frequency of different instructions, and the repeated sending times of different instructions, so as to form a plurality of different preset instruction sending timing modes;
and step S1023, adjusting the sending state of the request instruction to be sent by the inquiry terminal according to the plurality of different preset instruction combination modes and/or the plurality of different preset instruction sending time sequence modes.
4. The NFC-based variable data transfer method of claim 1, wherein:
in step S2, the step of generating, by the responder, the response data in a dynamically changing form after receiving the request instruction specifically includes,
step S201, after receiving the request command, the response end triggers to form a plurality of response data generation modes, wherein the plurality of response data generation modes comprise at least one of taking entity data prestored in the response end as the response data, generating the response data according to the response calculation prestored entity data conversion, and generating the response data according to a preset logic operation rule;
step S202, based on the request instruction, performing random adjustment processing or adjustment processing on a preset rule on the response data generated by the plurality of response data generation modes to obtain the response data in the dynamic change form.
5. The NFC-based variable data transfer method of claim 1, wherein:
in step S3, the step of the answering end transmitting the answer data back to the inquiring end according to the NDEF data exchange format specifically includes,
step S301, the response end checks the response data according to the NDEF data exchange format;
step S302, the answering terminal further transmits the response data after the verification processing back to the inquiring terminal according to a preset feedback rule.
6. An NFC-based variable data transfer system, characterized by:
the variable NFC-based data transfer system comprises a query terminal and a reply terminal; the inquiring terminal and the answering terminal transmit variable data based on an NFC data exchange format;
the inquiry terminal comprises a request instruction generating unit and a request instruction sending unit;
the request instruction generating unit is used for forming a request instruction according to a preset format standard;
the request sending unit is used for sending the request instruction to the response end;
the response end comprises a response data generation unit and a response data return unit;
the response data generating unit is used for generating response data in a dynamic change form after receiving the request instruction;
the response data returning unit is used for returning the response data to the inquiry terminal according to a preset NFC data exchange format.
7. The variable NFC-based data transfer system of claim 6, wherein:
the response data generating unit comprises a loading identifier generating subunit, a request instruction integrating subunit and a request instruction sending state adjusting subunit; wherein,
the loading identifier generating subunit is configured to perform, on the identification attribute information of the query end, calculation processing on a hash feature value to generate a loading identifier;
the request instruction integration subunit is configured to integrate the load identifier into the request instruction;
and the request instruction sending state adjusting subunit is used for adjusting the sending state of the request instruction according to a preset instruction combination mode and/or a preset instruction sending time sequence mode.
8. The NFC-based variable data transfer system of claim 7, wherein:
the sending state adjustment of the request instruction by the request instruction sending state adjustment subunit specifically includes,
the request instruction sending state adjusting subunit changes the combination state of the request instructions according to at least one of the number of different instructions, the superposition of different instructions and the arrangement sequence of different instructions to form a plurality of different preset instruction combination modes,
or,
the request instruction sending state adjusting subunit changes the sending time sequence state of the request instruction according to at least one of sending time intervals of different instructions, repeated sending frequencies of different instructions and repeated sending times of different instructions to form a plurality of different preset instruction sending time sequence modes;
the request instruction sending state adjusting subunit further adjusts the sending state of the request instruction to be sent by the inquiry terminal according to the plurality of different preset instruction combination modes and/or the plurality of different preset instruction sending time sequence modes.
9. The variable NFC-based data transfer system of claim 6, wherein:
the response data generating unit comprises a response data logic determining subunit and a response data dynamic adjusting subunit; wherein,
the answer data logic determining subunit is configured to determine to obtain the answer data according to at least one of the following manners, where the at least one manner includes using entity data pre-stored by the answer side as the answer data, converting the entity data pre-stored by the answer calculation to generate the answer data, or generating the answer data according to a preset logic operation rule;
the response data dynamic adjustment subunit is configured to perform random adjustment processing or adjustment processing on a preset rule on the determined response data to obtain the response data in the dynamic change form.
10. The variable NFC-based data transfer system of claim 6, wherein:
the response data returning unit comprises a verification processing subunit and a returning and sending subunit; the verification processing subunit is configured to perform verification processing on the response data according to the preset NFC data exchange mode;
and the return transmitting unit is used for returning the response data after the verification processing to the inquiring terminal according to a preset return rule.
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