CN110866851A - Laboratory safety education examination system based on WeChat small program - Google Patents
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Abstract
The invention discloses a laboratory safety education examination system based on a WeChat applet, which comprises a general architecture mainly comprising a user module unit, a WeChat applet client module unit and a server module unit, wherein the user module unit is mutually connected with the WeChat applet client module unit, the WeChat applet client module unit is mutually connected with the server module unit, the server module unit comprises a WeChat server end and a third-party server end, the user module unit comprises a system administrator, a laboratory administrator and a learner, and the WeChat applet client module unit comprises a PC (personal computer) or a mobile terminal device Simple and beautiful appearance, multiple functions, simple operation, flexibility and convenience.
Description
Technical Field
The invention relates to the field of safety education examinations, in particular to a laboratory safety education examination system based on a WeChat applet.
Background
The laboratory bears various tasks of practice teaching and scientific research, is an important base for culturing high-quality talents with practical ability and innovation spirit, and is also an important place for safety protection of higher colleges and universities. In recent years, the frequent laboratory safety accidents in colleges and universities have attracted social attention, the laboratory safety is not only related to the smooth development of experimental teaching and scientific research work in colleges and universities, but also related to the social image of the colleges and even influences the safety and stability of the colleges and the surrounding society, and the using objects of the colleges and universities are mainly teachers and students, so that the teachers and the students form important factors of the laboratory safety, and the enhancement of the laboratory safety education of the teachers and the students is very important. Laboratory safety education and examination system are the effective carrier that colleges and universities developed laboratory safety education, through the establishment of system, can create laboratory safety education mode, let student and teacher through the study of system before getting into the laboratory, master indispensable laboratory safety knowledge, improve experiment operational capability and risk and take precautions against consciousness, form laboratory safety theory. Therefore, it is necessary to design a laboratory safety education examination system which has strong pertinence, convenient learning and use, flexible examination mode, integration of laboratory safety education and examination, high efficiency and universality.
At present, laboratory safety education is mainly implemented in a mode of combining laboratory safety knowledge propaganda and laboratory safety training.
(1) Laboratory safety knowledge propaganda includes: safety knowledge information is released through websites, publicity columns, display boards and the like of laboratory management departments of colleges and universities, and laboratory safety manuals are printed to teachers and students. These methods all require the student to be informed of learning by the executive, instructor, etc., and such passive learning method may result in poor learning effect.
(2) The laboratory safe operation training comprises: periodically inviting professionals to set up lecture professors, new-born entrance education class lecture professors, practice instruction professors before experimental classes, and the like. The training contents of the modes are wide and macroscopic, the pertinence is not strong, and after the training is finished, the review and consolidation of students after class are difficult to carry out, and the ideal learning effect can not be achieved.
In addition, most schools generally adopt paper test paper, a Web page based on a Personal Computer (PC), a special Application (APP) based on mobile terminal equipment and the like to examine the safety knowledge learning effect of students. Paper test paper examination is generally organized by a laboratory management and function department of a school in a unified way to give questions, take examinations and read papers, on one hand, the pertinence of knowledge point examination is not strong, the mastering degree of students is difficult to embody comprehensively, on the other hand, a lot of manpower and material resources are required to be invested, and problems of scoring errors and the like caused by manual paper reading can be solved; the Web page and the special APP solve the defects of paper test paper, but the Web page not only needs to consider the adaptation problem of different browsers, but also has limited application range due to the inconvenience of carrying a PC; the problem that the application range is limited can be solved by special APP, but the problem of user interface adaptation caused by different operating systems of the terminal equipment needs to be considered, different special APPs need to be developed for different operating systems, on one hand, the development cost of the APP is large, and on the other hand, when the native APP runs, the system resources need to be occupied more, and the performance of the system is possibly influenced.
By comprehensively analyzing the modes of laboratory safety knowledge propaganda, training, examination and the like, the laboratory safety education is effectively guaranteed at the present stage, and the best method is to develop and design the laboratory safety education examination system based on the thought of 'safe use, stable performance, simplicity, attractiveness, versatility, simple operation, flexibility and convenience', so that the practical requirement can be met.
Disclosure of Invention
The invention provides a laboratory safety education examination system based on a WeChat applet, which can solve the problems of wide safety education content, unobvious macroscopical, unobvious subject and professional characteristics, single education and training mode, inflexible autonomous learning and examination and the like, and is suitable for different colleges and universities and good in universality.
In order to solve the problems, the invention provides a laboratory safety education examination system based on a WeChat applet, which comprises a general framework mainly comprising a user module unit, a WeChat applet client module unit and a server module unit, wherein the user module unit is mutually connected with the WeChat applet client module unit, and the WeChat applet client module unit is mutually connected with the server module unit.
The server module unit comprises a WeChat server end and a third-party server end, wherein the WeChat server end is a data transfer station, forwards user request data to a third-party server service logic processing module, and forwards the data processed by the third-party server to a WeChat small program client after analyzing and processing; the third-party server terminal analyzes user request data pushed by the WeChat server terminal, selects a corresponding logic processing module to process according to data types and contents, packages and encrypts the processed data and transmits the data back to the WeChat server, is a Bmob back-end cloud service platform provided by Guangzhou City & lt network science and technology Limited, provides a real-time data and file storage function and realizes data communication between the cloud and the terminal, and provides a data interface for the WeChat small program client terminal, so that a user module unit realizes data request and data processing between the client terminal and a database in the service logic of safety knowledge learning, simulation examinations and online examinations when using the system.
Preferably, the user module unit comprises a system administrator, a laboratory administrator and a learner, wherein the system administrator is a functional department of laboratory safety management in colleges and universities, namely a super user, has the highest authority of the laboratory safety education examination system and is used for distributing the authority of the laboratory administrator; the laboratory administrator is a manager of each experimental center or laboratory of colleges and universities and is used for distributing the authority of learners; the learner is a student and a teacher who attend safety education and examinations in a laboratory and has the authority of attending safety training and examinations.
Preferably, the wechat applet client module unit comprises a PC or a mobile terminal device, the user module unit can send and receive information with the server module unit through the PC or the mobile terminal device on which the wechat client is installed, and the wechat applet client is started to operate through the PC or the mobile terminal device.
Preferably, the wechat applet client uses the design mode of MVC to complete the design and implementation of the client interface and the function module through rich components provided by the MINA framework, the WXML, the WXSS, the JavaScript, and the cloud development technology.
Preferably, the client function implementation of the wechat applet is implemented by writing a service logic by the server to call an API interface of the wechat server.
Preferably, at least 8 laboratory safety knowledge learning libraries and question banks for safety examinations are arranged in the third-party server, wherein the laboratory safety knowledge learning libraries and the question banks for safety examinations comprise general safety classes, fire safety classes, hydroelectric safety classes, chemical safety classes, biological safety classes, radiation safety classes, laser safety classes and equipment safety classes; the general safety class comprises laboratory article placement requirements, familiarity with laboratory environments and basic laboratory regulations, and is suitable for all learners; the fire safety category comprises laboratory fire hazard and fire prevention self-rescue common knowledge and is suitable for all learners; the water and electricity safety category comprises laboratory safety electricity utilization regulation, electric shock rescue and water safety, and is suitable for all learners; the chemical safety class comprises chemical purchasing regulation, chemical preservation regulation, chemical acceptance regulation, waste disposal regulation and emergency rescue, and is suitable for learners entering a chemical laboratory; the biosafety class comprises rules entering, personal protection, operation regulation and waste treatment, and is suitable for learners entering a biological laboratory; the radiation safety class comprises laboratory qualification, site requirements, radiation experiment safety and emergency treatment, waste treatment and is suitable for learners entering the radiation laboratory; the laser safety class comprises environmental requirements and operating specifications and is suitable for learners entering a laser laboratory; the equipment safety class comprises the placing requirements and the operating specifications of pressure equipment, a gas steel cylinder, a high-speed centrifuge, heating equipment, a fume chamber and machining equipment, and is suitable for learners entering a laboratory where the equipment is located.
Preferably, the WeChat applet client comprises a safety knowledge learning unit and a safety education examination unit matched with the safety knowledge learning unit, different learners log in the system according to unique login accounts, the system sends information to the WeChat server through the WeChat applet client module unit according to the login information of the learners, the WeChat server transmits the information to a third-party server, the third-party server analyzes the pushed user request data, selects a corresponding logic processing module according to the data types and contents for processing, packages and encrypts the processed data and transmits the data back to the WeChat server, and the WeChat server sends the data to the WeChat applet client to generate a corresponding safety knowledge learning unit and displays the laboratory safety education knowledge to the learners; the safety education examination unit comprises an examination form, difficulty, a score, examination points and corresponding examination number, wherein the examination form generally comprises selection questions, blank filling questions and judgment questions; the difficulty is generally divided into three levels of easy, medium and difficult; the score can be equally distributed or individually assigned according to the score and the number of topics of each topic type.
Compared with the prior art, the invention has the beneficial effects that:
(1) the method has the advantages that the minimum learning time limit before the learner takes an examination strengthens the effect of laboratory safety education, the learner must fully learn the laboratory safety knowledge module to be mastered before taking a formal examination of the laboratory safety examination, the learning progress, the examination result and the like of each person can be consulted at any time through the system, and therefore the learner can accurately manage the individual, the laboratory safety education is not in a flowing form, but in a strengthened training mode, and the safety consciousness of the learner is improved.
(2) The small program of the laboratory safety education examination system based on the WeChat platform saves manpower, material resources and financial resources, can run on a PC (personal computer) or mobile terminal equipment, is not limited by an operating system, and reduces the development cost of software; the study and examination of the laboratory safety knowledge are organized on line, manual paper output, paper printing and paper marking are not needed, a large amount of work of laboratory managers is saved, education resources are saved, and the efficiency of laboratory safety education is improved.
(3) By means of mobile terminal equipment such as a mobile phone, a safety education mode is optimized. Learners can study and test at any time and any place, and give students the initiative of taking in the study and the test, so that the network learning time is more free, the learning mode is more flexible, the learning content is richer and more enriched, and the learning effect is more obvious.
(4) Due to the flexible modular design, the system can be suitable for various laboratory safety education examination scenes. The invention is a general laboratory safety education examination system, except 8 kinds of basic laboratory safety knowledge module designs, can also freely and flexibly import the laboratory safety special knowledge requirements according to the requirements, so that the system can be suitable for any scene needing to develop the laboratory safety education examination, is little influenced by time and space, and is convenient to use.
Drawings
Fig. 1 is a flowchart illustrating the operation of the laboratory security education examination system based on the wechat applet according to the present invention.
Fig. 2 is a flow chart of the laboratory safety education examination system usage based on the WeChat applet.
FIG. 3 is a flow chart of a safety knowledge learning unit.
Fig. 4 is a flow chart of a safety education examination unit.
Fig. 5 is a flow chart of the operation of the user module unit.
Detailed Description
The invention is further explained below with reference to the figures and examples.
The embodiment provides a laboratory security education examination system based on WeChat applet, the system bottom layer is built on a Bmob third-party server, data transmission and processing are realized through the transfer of the WeChat server and the WeChat applet client, the system work flow is shown in figure 1, as can be seen from figure 1, the user roles of the whole system are divided into a system administrator, a laboratory administrator and a learner, wherein:
(1) a system administrator: the system represents the functional department of laboratory safety management in colleges and universities, namely a super user, has the highest authority of a laboratory safety education examination system, and can distribute the authority of laboratory administrators;
(2) laboratory administrators: it represents the manager of each experimental center or laboratory in colleges and universities, and can assign the learner authority;
(3) the learner: which represents students and teachers taking safety education and examinations in laboratories, has the authority to take safety training and examinations.
The use flow of the invention is shown in fig. 2, and specifically comprises the following steps:
(1) the system administrator registers laboratory administrator information in the system according to actual conditions, wherein the laboratory administrator information mainly comprises: a user account number, a password, a laboratory, a name and a contact phone;
(2) after the experimental center or the laboratory administrator obtains the authorization of the system administrator, the learner information participating in the experimental center or the laboratory can be registered or imported, and the learner information mainly comprises: the system comprises a user account, a password, a class, a specialty, a name, a contact telephone, examination times, examination scores and learning duration, wherein the examination times, the examination scores and the learning duration are defaulted to be 0; generating different classes of safe knowledge learning units or safe education examination units according to different classes of learners;
(3) after the learner obtains the user account number and the password, the learner can log in to participate in the safe knowledge learning or examination in the laboratory.
This embodiment provides an illustration of the functional implementation of the safety knowledge learning unit, as shown in fig. 3:
(1) the system acquires learner information according to login information input by a learner, wherein the learner information comprises a user account;
(2) the WeChat small program client module processing module sends information to a WeChat server according to login information of a learner and a learning strategy set by a laboratory administrator of the user module unit, the WeChat server transmits the information to a third-party server, the third-party server analyzes pushed user request data, selects a corresponding logic processing module according to data types and contents for processing, packages and encrypts the processed data and transmits the data back to the WeChat server, and the WeChat server sends the data to the WeChat small program client to generate a corresponding safety knowledge learning unit and display safety education knowledge of the laboratory to the learner;
(3) starting learning according to the safe knowledge unit selected by the learner;
(4) the system records the learning state according to the obtained safe knowledge unit and the operation condition of the learner, and the learning state information comprises login time, learning content and the learning time.
This embodiment is further described in more detail, for example: the login account number of wangming is 09190101, the user is a student, the study specialty is electrical engineering, and the corresponding safe learning knowledge comprises: general safety, fire safety, hydroelectric safety and equipment safety.
According to the loading method of the safe knowledge learning content, the safe knowledge learning content can be automatically generated by identifying the user account information, the requirement of learners entering different laboratories for experimental safe knowledge learning is met, and a low-cost and targeted laboratory safe education scheme is provided.
This example provides an illustration of the functional implementation of a safety education test unit, as shown in fig. 4:
(1) the system acquires user information, wherein the user information comprises a user account, a learned knowledge module and accumulated learning time;
(2) the system judges whether the safety knowledge learning unit of the learner finishes learning or not and whether the accumulated learning time reaches the specified time or not according to the login information of the learner and the necessary learning content and the learning time set by a laboratory administrator;
(3) if the safety knowledge learning unit does not finish learning or does not reach the specified time length, the test paper cannot be generated according to the safety examination paper forming strategy, and the laboratory safety education examination cannot be participated;
(4) if learning is completed and the specified time length is reached, judging whether the number of times of examination of the learner exceeds the upper limit value set by the laboratory administrator or not;
(5) if the upper limit of the test times is exceeded, the laboratory safety education test cannot be taken, and the safety knowledge learning needs to be continued;
(6) if the number of times of examination does not exceed the upper limit, the learner sends information to the WeChat server through the WeChat applet client module unit, the WeChat server transmits the information to the third-party server, the third-party server analyzes the pushed user request data, selects a corresponding logic processing module according to the data type and content for processing, packages and encrypts the processed data and transmits the data back to the WeChat server, and the WeChat server transmits the data to the WeChat applet client to generate a corresponding safety education examination unit and formally attend the examination;
(7) after submitting the examination paper within the examination time set by a laboratory administrator, the system directly gives the examination score and the correct answer;
(8) if the examination score reaches the standard value set by the laboratory administrator, generating an electronic certificate of eligibility; otherwise, the user is reminded to continue learning and to take the test again.
This embodiment is further described in more detail, for example: the login account number of wangming is 09190101, the user is a student, the study specialty is electrical engineering, and after the previous knowledge learning, the safety education formal examination is selected. When the system is initialized, a laboratory administrator sets the study duration of students in the profession to be at least 10 hours, the number of exams to be at most 5 times, the exam score to be at least 90 minutes, and the difficulty ratio of the examination papers to be 1: 2: 7 (difficult, medium and easy), the test paper has three question types (25 choice questions, 5 blank filling questions, 20 judgment questions, 2 points per question) and the examination duration is 30 minutes. Thereby, the examination paper of the student is generated. If the current learning time of the student reaches 11 hours and the number of times of examinations is 0, the student can enter a system to take an examination, complete the examination within 30 minutes, submit an examination paper, give a final result 96, reach a qualification standard, and issue an electronic qualification certificate of a laboratory safety examination education examination.
According to the laboratory safety knowledge examination method provided by the embodiment, the laboratory safety knowledge content of a learner needing examination, whether the learner meets examination conditions or not and the like can be automatically identified by identifying the user account, the laboratory safety knowledge examination content can be automatically generated, and the laboratory safety education examination system which is low in cost and meets the requirements of different disciplines and professional laboratories is provided.
The function of the user module unit is realized, the function of the user module unit comprises three sub-modules, namely a system administrator function module, a laboratory administrator function module and a learner management function module, the system administrator function module is mainly used for registering information of a laboratory administrator, the laboratory administrator function module is mainly used for registering information of a learner, and the learner management module is mainly used for taking part in learning and examination;
the present embodiment provides an implementation of a laboratory administrator function module, as shown in fig. 5:
(1) obtaining learner information, wherein the learner information comprises a user account, a laboratory to which the learner belongs and a safety education and examination knowledge module corresponding to the laboratory;
(2) importing staff information for taking a safety education examination in the current school date, wherein the staff information comprises a login account number, a login password, a specialty, a class, examination times, examination scores, learning duration and the like, and the examination times, the examination scores and the learning duration are defaulted to be 0;
(3) setting a safety knowledge learning unit needing learning;
(4) setting a safety education examination unit, wherein the safety education examination unit comprises safety knowledge learning reaching time, examination most times, examination reaching scores, examination paper difficulty degree proportion, examination paper question types, each question value, examination time and the like;
(5) issuing learning and examination tasks;
(6) checking the learning and examination information of the learner, wherein the information comprises a learning module, learning duration, examination times and examination scores.
This embodiment is further described in more detail, for example: the login account number of Zhanghongjiang is 92005001, the user is a laboratory administrator, the laboratory is an organic chemical laboratory, and the safety education and examination knowledge module corresponding to the laboratory is set to be general safety, fire safety, hydroelectric safety, chemical safety, biological safety and equipment safety; examination paper generation strategy referring to the above, after the information of the examination personnel who attend the safety education at the current school is imported, the personnel need to study and examine the safety knowledge of the 6 types of laboratories.
According to the laboratory safety education examination system, the laboratory safety knowledge and examination requirements which need to be mastered by different disciplines and professional laboratories can be conveniently set through recognition of different roles of laboratory administrators, and the laboratory safety education examination system which is low in cost, obvious in characteristics and flexible in autonomous learning and examination is provided for different colleges.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application for any one or more of the advantages to be realized, whether simple changes in construction and/or implementation in some embodiments are possible in the practice of the invention.
Claims (7)
1. The utility model provides a laboratory security education examination system based on little letter applet, includes that overall architecture mainly divide into user module unit, little letter applet client module unit and server module unit, its characterized in that: the user module unit is mutually connected with the WeChat applet client module unit, and the WeChat applet client module unit is mutually connected with the server module unit;
the server module unit comprises a WeChat server end and a third-party server end, wherein the WeChat server end is a data transfer station, forwards user request data to a third-party server service logic processing module, and then analyzes and processes the data processed by the third-party server and forwards the data to a WeChat small program client; the third-party server terminal analyzes user request data pushed by the WeChat server terminal, selects a corresponding logic processing module to process according to data types and contents, packages and encrypts the processed data and transmits the data back to the WeChat server, is a Bmob back-end cloud service platform provided by Guangzhou City & lt network science and technology Limited, provides a real-time data and file storage function and realizes data communication between the cloud and the terminal, and provides a data interface for the WeChat small program client terminal, so that a user module unit realizes data request and data processing between the client terminal and a database in the service logic of safety knowledge learning, simulation examinations and online examinations when using the system.
2. The wechat applet-based laboratory security education examination system of claim 1, wherein: the user module unit comprises a system administrator, a laboratory administrator and a learner, wherein the system administrator is a functional department of laboratory safety management in colleges and universities, namely a super user, has the highest authority of a laboratory safety education examination system and is used for distributing the authority of the laboratory administrator; the laboratory administrator is a manager of each experimental center or laboratory of colleges and universities and is used for distributing the authority of learners; the learner is a student and a teacher who attend safety education and examinations in a laboratory and has the authority of attending safety training and examinations.
3. The wechat applet-based laboratory security education examination system of claim 1, wherein: the wechat applet client module unit comprises a PC or mobile terminal equipment, the user module unit can realize the information sending and receiving with the server module unit through the PC or the mobile terminal equipment provided with the wechat client, and the wechat applet client is started to operate through the PC or the mobile terminal equipment.
4. The wechat applet-based laboratory security education examination system according to claim 3, wherein: the WeChat applet client adopts the design mode of MVC to complete the design and realization of a client interface and a function module through rich components provided by an MINA framework, or WXML, or WXSS, or JavaScript and a cloud development technology.
5. The wechat applet-based laboratory security education examination system of claim 1, wherein: and the client function of the WeChat applet is realized by calling an API (application programming interface) of the WeChat server through written business logic.
6. The wechat applet-based laboratory security education examination system of claim 2, wherein: at least 8 laboratory safety knowledge learning libraries and question libraries for safety examinations are arranged in the third-party server, wherein the laboratory safety knowledge learning libraries and the question libraries for safety examinations comprise general safety classes, fire safety classes, hydroelectric safety classes, chemical safety classes, biological safety classes, radiation safety classes, laser safety classes and equipment safety classes; the general safety class comprises laboratory article placement requirements, familiarity with laboratory environments and basic laboratory regulations, and is suitable for all learners; the fire safety category comprises laboratory fire hazard and fire prevention self-rescue common knowledge and is suitable for all learners; the water and electricity safety category comprises laboratory safety electricity utilization regulation, electric shock rescue and water safety, and is suitable for all learners; the chemical safety class comprises chemical purchasing regulation, chemical preservation regulation, chemical acceptance regulation, waste disposal regulation and emergency rescue, and is suitable for learners entering a chemical laboratory; the biosafety class comprises rules entering, personal protection, operation regulation and waste treatment, and is suitable for learners entering a biological laboratory; the radiation safety class comprises laboratory qualification, site requirements, radiation experiment safety and emergency treatment, waste treatment and is suitable for learners entering the radiation laboratory; the laser safety class comprises environmental requirements and operating specifications and is suitable for learners entering a laser laboratory; the equipment safety class comprises the placing requirements and the operating specifications of pressure equipment, a gas steel cylinder, a high-speed centrifuge, heating equipment, a fume chamber and machining equipment, and is suitable for learners entering a laboratory where the equipment is located.
7. The wechat applet-based laboratory security education examination system according to claim 5, wherein: the WeChat small program client comprises a safety knowledge learning unit and a safety education examination unit matched with the safety knowledge learning unit, different learners log in the system according to unique login accounts, the system sends information to a WeChat server through a WeChat small program client module unit according to the login information of the learners, the WeChat server transmits the information to a third-party server, the third-party server analyzes the pushed user request data, selects a corresponding logic processing module according to the data types and contents for processing, packages and encrypts the processed data and transmits the data back to the WeChat server, and the WeChat server sends the data to the WeChat small program client to generate a corresponding safety knowledge learning unit and displays the laboratory safety education knowledge to the learners; the safety education examination unit comprises an examination form, difficulty, a score, examination points and corresponding examination number, wherein the examination form generally comprises selection questions, blank filling questions and judgment questions; the difficulty is generally divided into three levels of easy, medium and difficult; the score can be equally distributed or individually assigned according to the score and the number of topics of each topic type.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185199A (en) * | 2020-09-29 | 2021-01-05 | 南京智数云信息科技有限公司 | Practitioner is with answer management system of daily training examination |
| CN113393349A (en) * | 2021-06-24 | 2021-09-14 | 哈尔滨医科大学 | Intelligent management system for laboratory personnel safety training and reagent management |
| CN115116285A (en) * | 2022-06-21 | 2022-09-27 | 浪潮卓数大数据产业发展有限公司 | Online learning system based on WeChat native framework |
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