CN106844667A - A kind of mobile terminal examination question method of the distribution with answering based on MQTT agreements - Google Patents
A kind of mobile terminal examination question method of the distribution with answering based on MQTT agreements Download PDFInfo
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- CN106844667A CN106844667A CN201710051907.4A CN201710051907A CN106844667A CN 106844667 A CN106844667 A CN 106844667A CN 201710051907 A CN201710051907 A CN 201710051907A CN 106844667 A CN106844667 A CN 106844667A
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- examination question
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/25—Integrating or interfacing systems involving database management systems
- G06F16/258—Data format conversion from or to a database
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2462—Approximate or statistical queries
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/34—Browsing; Visualisation therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/20—Education
- G06Q50/205—Education administration or guidance
Abstract
A kind of mobile terminal examination question method of the distribution with answering based on MQTT agreements disclosed by the invention, teacher sends test question information by the teacher side in mobile device with JSON forms, student side in mobile device is distributed to by MQTT servers, student side is received after examination question, answered and result is sent to teacher side again by MQTT servers, teacher is received student and answered and scored after result.The method of the present invention, during examination question is distributed and answered, if examination question or result of answering are picture format, needs to be uploaded to special file server, or downloaded from file server；Examination question distribute, examination question answer and Item evaluation during produce related data, be all uploaded in special data statistics server, whole statistics therein, all meet xAPI education big data standard.
Description
Technical field
The present invention relates to classroom instruction field, more particularly to a kind of mobile terminal examination question based on MQTT agreements is distributed and is answered
Method.
Background technology
With the fast development of mobile terminal and mobile Internet, the digitlization of school classroom is popularized therewith, relative to biography
The teaching method of system, uses mobile terminal as educational aid on classroom, can greatly improve the efficiency of many teaching links, its
In it is very representative be exactly examination question distribution and link of answering.Teacher only needs to set exercise question on mobile terminal, distribution
To student, student can be answered immediately, and result is fed back to teacher, and record answer knot, for analyzing and counting.
This is the perfect condition reached desired by a kind of people at present, not a kind of very ripe in actual applications
Way meets the demand of people.
The content of the invention
Shortcoming and deficiency it is an object of the invention to overcome prior art, there is provided a kind of mobile terminal based on MQTT agreements
Examination question distributes the method with answering.
The purpose of the present invention is realized by following technical scheme：
A kind of mobile terminal examination question method of the distribution with answering based on MQTT agreements, comprises the following steps：
S1, teacher log in the teacher side application in mobile terminal, log in MQTT servers, and using MQTT protocol encapsulations storehouse,
Subscribe to " school " theme；
Student side application in S2, student login mobile terminal, logs in MQTT servers, using MQTT protocol encapsulations storehouse, orders
Read " teacher " theme；
S3, teacher's selection exercise question, JSON forms are encapsulated as by topic information, and it is main that JSON texts are distributed into " school "
Topic (being distributed to all students), at the same the data that will distribute produced by examination question link (including theme person, content of setting a question are set a question
The data such as time), data acquisition server is uploaded to xAPI reference formats；
After S4, student receive the exercise question of JSON forms, parsed, be reduced to former exercise question, represented to student side interface,
For learner answering questionses；
After S5, learner answering questionses are finished, object information on the one hand is encapsulated as into JSON forms, and to be distributed to " teacher " theme (i.e. anti-
Feed teacher), on the other hand by the data (including answerer, answer the data such as result, duration of answering) produced by link of answering
Data acquisition server is uploaded to xAPI reference formats；
After S6, teacher side receive the JSON texts of the result of answering of student, parsed, be reduced to the knot that student answers
Really, represent to teacher side interface, answered situation for instructor view student, and scored；
In S7, the database of data acquisition server, with all data that xAPI standards are preserved, according to different demands, open
Send out interface various, check all information of setting a question, information of answering, score information for student side or teacher side or other are more complicated
Data.
In step S1 and S2, the login MQTT servers need to be using MQTT in the encapsulation storehouse of each mobile terminal, while setting
Parameter, the parameter includes server ip, port numbers, user name, password, heart time, time-out time；After logging in successfully, need
Set up background message monitoring mechanism, the message that wait-for-response MQTT servers are sent to.
In step S3, the exercise question has two kinds of generating modes：One kind is to use Office correlation plug-in units or other third parties
Examination question edit tool and the text data on exercise question that generates, another is to use mobile terminal screenshotss function or work(of taking pictures
The picture format that can be formed.
If the exercise question text formatting, it is directly encapsulated as the transmission of JSON forms；If the exercise question picture format,
Then need to build a file server in addition, first by files passe to server, and obtain picture after the URL of server, incite somebody to action
URL sends in being encapsulated into JSON.
The form of the text data is XML or JSON.
In step S4, if the exercise question picture format, then need first according to the picture URL for receiving, picture is taken from file
Downloaded in business device.
In step S5, if the exercise question objective item (including True-False, multiple-choice question) is direct after student answers and finishes,
Directly result of answering is shown in student side；If student answers, result is picture format, is needed first by files passe to server, and
Picture is obtained after the URL of server, URL is encapsulated into JSON and is sent.
The teacher side allows teacher to force all students to submit result of answering to；Directly show if entitled objective item simultaneously
Show answer result and the fraction for having been filed on student；If subjective item, then teacher is allowed to be scored immediately, and appraisal result is sent out
Deliver to response student；It is final no matter subjective item or objective item, be required for a scores to be uploaded to clothes with xAPI reference formats
Business device；Meanwhile, if the result that student answers is picture format, need first according to the picture URL for receiving, by picture from file service
Downloaded in device.
In step S7, the data acquisition server using non-relational database data storage (including Redis,
MongoDB)。
The mobile terminal includes Android device, WP equipment or iOS device.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, MQTT (Message Queuing Telemetry Transport) agreement of the present invention, is IBM institutes
A kind of instant communication protocol based on publish/subscribe model of exploitation, the agreement has the characteristics that：
Transmission very light weight, the length of its fixing head only has two bytes, and relatively more power saving saves flow.
Itself supports one-to-many transmission pattern.
The Qos fields of its head, it is ensured that the number of times of message transmission, and its Testament, Last Will characteristics
The abnormal interrupt of client can be notified, this all makes its relatively reliable.
As can be seen here, MQTT agreements are particularly suitable for working in that number of devices is more, and equipment computing capability is relatively low, network environment
Under more unstable one-to-many scene.Therefore use the agreement to distribute the basic agreement right and wrong of examination question to student as teacher in classroom
Often preferably.
2nd, xAPI (Experience API) is counted for education is big by what the U.S. " advanced distributed learning " tissue was issued
According to a series of data format standard formulated.This standard pin is to education sector, it is intended to solve education sector big data
Data interoperability, standard data format, the problems such as data, services extend.Own in examination question statistics and analysis part of the present invention
The data of collection, defer to xAPI standards completely.
3rd, due to using MQTT agreements as communications protocol, this programme has all advantages of MQTT agreements, for example, save
Flow, saves electricity, simply, easily extension etc..
4th, using xAPI standards, the standard pin solves the problems of education big data to education sector, also allow for
Other have used the system rapid abutting joint of the standard.
5th, various examination question forms are supported, the text class examination question with XML or JSON as form is not only supported, while also supports figure
The examination question of piece form.
6th, backstage statistical information uses non-relational database, on the one hand, for this kind of mass data, non-relational data
Storehouse execution efficiency is higher, and is easy to use Hadoop etc. and carries out big data calculating.Another aspect xAPI standards in itself can be with base
In JSON, it is well suited for using non-relational database.
Brief description of the drawings
Fig. 1 is the flow chart of a kind of mobile terminal examination question distribution based on MQTT agreements of the present invention and the method answered.
Fig. 2 is the hardware structure figure for implementing Fig. 1 methods describeds.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Such as Fig. 1,2, a kind of mobile terminal examination question distribution and the method answered based on MQTT agreements are comprised the steps of：
S1, teacher side application log in MQTT servers, subscribe to " teacher " topic, and begin listening for from MQTT servers
Message.
S2, student side application log in MQTT servers, subscribe to " whole students " topic, and begin listening for being serviced from MQTT
The message of device.
If the examination question that S3, teacher send is picture format, examination question picture need to be uploaded to file server first.Otherwise jump
To S5.
S4, teacher side receive the URL paths of the examination question picture of picture servers return.
Test question information is distributed to " whole students " topic by S5, teacher side with JSON forms.
S6, student side receive the examination question of JSON forms, and carry out parsing and examination question represents.
If the examination question of S7, teacher side distribution is picture format, student side then initiates download figure picture to file server please
Ask.Otherwise skip to S9.
S8, student side receive the URL paths of the examination question picture of picture servers return.
S9, student answer.
Examination question distribution information is uploaded to data statistics server by S10, teacher side.
If the result that S11, student answer is picture format, uploads student and answer picture to file server, otherwise jump
To S12.
The student that S12, student side receive picture servers return answers the URL paths of picture.
The information of answering is distributed to " teacher " topic by S13, student side.
S14, teacher receive student and answer result.
If the student that S15, teacher side are received answers, result is picture format, initiates to download student's work to file server
The request of picture pic is answered, S16 is otherwise skipped to.
The student that S16, teacher side receive picture servers return answers the URL paths of picture.
The information of answering of student is uploaded to data statistics server by S17, student side.
S18, instructor view student answer result, and score.
S19, teacher's score information is uploaded to data statistics server.
S20, student side are initiated to ask to data statistics server, check all kinds of statisticses.
S21, student side receive the result after data statistics server is counted.
S22, teacher side are initiated to ask to data statistics server, check all kinds of statisticses.
S23, teacher side receive the result after data statistics server is counted.
Above-described embodiment is the present invention preferably implementation method, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from Spirit Essence of the invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of mobile terminal examination question distribution and the method answered based on MQTT agreements, it is characterised in that comprise the following steps：
S1, teacher log in the teacher side application in mobile terminal, log in MQTT servers, and using MQTT protocol encapsulations storehouse, subscribe to
" school " theme；
Student side application in S2, student login mobile terminal, logs in MQTT servers, using MQTT protocol encapsulations storehouse, subscribes to " religion
Teacher " theme；
S3, teacher's selection exercise question, JSON forms are encapsulated as by topic information, and JSON texts are distributed into " school " theme,
The data produced by examination question link will be distributed simultaneously, data acquisition server is uploaded to xAPI reference formats；
After S4, student receive the exercise question of JSON forms, parsed, be reduced to former exercise question, represented to student side interface, for learning
It is raw to answer；
After S5, learner answering questionses are finished, object information is on the one hand encapsulated as JSON forms and is distributed to " teacher " theme, on the other hand
The data answered produced by link are uploaded to data acquisition server with xAPI reference formats；
After S6, teacher side receive the JSON texts of the result of answering of student, parsed, be reduced to the result that student answers, opened up
Now to teacher side interface, answered situation for instructor view student, and scored；
In S7, the database of data acquisition server, with all data that xAPI standards are preserved, according to different demands, exploitation is each
Interface is planted, all information of setting a question, information of answering, score information or other data are checked for student side or teacher side.
2. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 1, it is characterised in that step
In rapid S1 and S2, the login MQTT servers need to be using MQTT in the encapsulation storehouse of each mobile terminal, while arrange parameter, described
Parameter includes server ip, port numbers, user name, password, heart time, time-out time；After logging in successfully, backstage need to be set up and disappeared
Breath monitoring mechanism, the message that wait-for-response MQTT servers are sent to.
3. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 1, it is characterised in that step
In rapid S3, the exercise question has two kinds of generating modes：One kind is to use Office correlation plug-in units or other third party's examination question editor's works
The text data on exercise question for having and generating, another is formed using mobile terminal screenshotss function or camera function
Picture format.
4. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 3, it is characterised in that institute
If stating exercise question text formatting, it is directly encapsulated as the transmission of JSON forms；If the exercise question picture format, then need to take in addition
A file server is built, first by files passe to server, and picture is obtained after the URL of server, URL is encapsulated into
Sent in JSON.
5. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 3, it is characterised in that institute
The form for stating text data is XML or JSON.
6. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 1, it is characterised in that step
In rapid S4, if the exercise question picture format, then need first according to the picture URL for receiving, picture is downloaded from file server
Get off.
7. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 1, it is characterised in that step
In rapid S5, if the exercise question objective item is direct after student answers and finishes, directly result of answering is shown in student side；If learning
Life answers result for picture format, then need first by files passe to server, and obtain picture after the URL of server, by URL
It is encapsulated into transmission in JSON.
8. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 1, it is characterised in that institute
Stating teacher side allows teacher to force all students to submit result of answering to；Directly displayed if entitled objective item simultaneously and have been filed on learning
Raw answer result and fraction；If subjective item, then allow teacher to be scored immediately, and appraisal result is sent to response
It is raw；It is final no matter subjective item or objective item, be required for a scores to be uploaded onto the server with xAPI reference formats；Meanwhile,
If the result that student answers is picture format, need first according to the picture URL for receiving, under picture is downloaded from file server
Come.
9. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 1, it is characterised in that step
In rapid S7, the data acquisition server uses non-relational database data storage.
10. the mobile terminal examination question based on MQTT agreements distributes the method with answering according to claim 1, it is characterised in that
The mobile terminal includes Android device, WP equipment or iOS device.
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| CN108616584A (en) * | 2018-04-19 | 2018-10-02 | 华南师范大学 | A kind of wisdom classroom collecting method and system based on xAPI |
| CN108897507A (en) * | 2018-05-02 | 2018-11-27 | 华南理工大学 | A kind of synchronizing white display methods and system based on Android end wisdom classroom |
| CN109243225A (en) * | 2018-10-23 | 2019-01-18 | 安徽慧视金瞳科技有限公司 | A kind of intelligent Teaching System and method based on cloud |
| CN109800244A (en) * | 2019-01-17 | 2019-05-24 | 恒峰信息技术有限公司 | A kind of online testing data processing method and system |
| CN110247941A (en) * | 2018-03-09 | 2019-09-17 | 鸿合科技股份有限公司 | The method and system of switching terminal use state |
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| CN108897507A (en) * | 2018-05-02 | 2018-11-27 | 华南理工大学 | A kind of synchronizing white display methods and system based on Android end wisdom classroom |
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| CN110473437A (en) * | 2018-05-11 | 2019-11-19 | 鸿合科技股份有限公司 | A kind of method and apparatus set a question of taking pictures |
| CN109243225A (en) * | 2018-10-23 | 2019-01-18 | 安徽慧视金瞳科技有限公司 | A kind of intelligent Teaching System and method based on cloud |
| CN109800244A (en) * | 2019-01-17 | 2019-05-24 | 恒峰信息技术有限公司 | A kind of online testing data processing method and system |
| CN111385346A (en) * | 2019-04-12 | 2020-07-07 | 鸿合科技股份有限公司 | Interactive answer method, client and electronic equipment |
| CN110941653A (en) * | 2019-12-19 | 2020-03-31 | 北京大米未来科技有限公司 | Data processing method, device, storage medium and terminal |
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