CN108595705B - Multi-format file packaging micro-class manufacturing method, system, device and learning platform - Google Patents
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Abstract
The invention discloses a method, a system and a device for manufacturing a multi-format file-packaged micro-class and a learning platform, relates to the technical field of network teaching, and solves the problems of single manufacturing means and single teaching presentation style of the existing micro-class. The method comprises the following steps: uploading a material file at least comprising an audio/video format at a Web front end of a same micro-course making page; establishing a corresponding frame set unit for the uploaded material files in the audio/video format according to the single teaching knowledge point, and associating corresponding auxiliary files; and packaging and uploading the established frame aggregation units and the corresponding auxiliary files to a Web server. When the teaching course is made, format files such as audio/video, excel, word, PPT, PDF, webpage files, exe files, compressed files, flash files and the like can be packaged in the micro-course teaching course, the presentation form of the micro-course teaching course is enriched, the operation is simple and convenient, the weight is light, the teaching course can be made and shared at any time, and a single knowledge segment with long time can be accurately positioned and played.
Description
Technical Field
The invention relates to the technical field of network teaching, in particular to a method, a system, a device and a learning platform for manufacturing a multi-format file-packaged micro-class.
Background
The core composition content of the micro-class is classroom teaching video (class example fragment), and also comprises auxiliary teaching resources related to the teaching theme, such as teaching design, material courseware, teaching backstep, exercise test and student feedback, teacher comment and the like, and the auxiliary teaching resources jointly build a semi-structured and theme type resource unit application small environment in a certain organizational relationship and presentation mode. Therefore, the micro-class is different from the traditional teaching resources such as teaching class examples, teaching courseware, teaching design, teaching thinking resistance and the like of a single resource type, and is a novel teaching resource inherited and developed on the basis of the micro-class.
Compared with a wider traditional classroom, the problems of the micro class are gathered, the theme is prominent, and the method is more suitable for the needs of teachers. The micro-class is mainly used for highlighting teaching of a certain subject knowledge point (such as key, difficult and suspicious contents in teaching) in classroom teaching or reflecting teaching and learning activities of a certain teaching link and a teaching subject in a classroom, and compared with complex and numerous teaching contents to be completed in a traditional class, the content of the micro-class is more simplified, so that the micro-class can be called as a micro-class. The theme is outstanding, the content is concrete. A course is a subject or a thing, and the research problem comes from a specific problem in the specific practice of education and teaching, or a life thinking, or a teaching thinking, or a difficult point breaking, or a key emphasis, or a learning strategy, a teaching method, an education and teaching viewpoint, and the like.
Therefore, as a powerful supplement to classroom teaching, micro-class teaching is increasingly popularized to daily teaching of students, especially to knowledge point teaching of infants and primary schools, and the recognition and the learning concentration of the students can be easily obtained in various forms. Accordingly, the micro-class making tool has become an essential tool for current network teaching. The conventional micro-course manufacturing method comprises the following steps: the method comprises the steps of obtaining image data of the process or result of operation of a user in the input area and real-time temporary audio data, combining the image data and the audio data to generate a small-segment video file, combining the small-segment video into a large video through a video combining module, inserting a front cover and a back cover through a video editing module, and publishing the video file to a network platform through a network transmission module. Because the micro-course manufacturing method can only store the video files, the defects of slow network transmission, large storage space occupied by the video files, broadband resource occupied by playing and the like exist, and the manufacturing is not simple and convenient enough.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, a system, a device and a learning platform for manufacturing a multi-format file-packaged micro-class, which can package material files of multiple formats in a micro-class teaching course, enrich the presentation form of the micro-class teaching course, be easy and convenient to operate, be light in weight, be manufactured and shared at any time, and simultaneously, a single knowledge segment with a long time can be accurately positioned and played, thereby facilitating students with poor learning concentration to use and learn.
The embodiment of the invention provides a micro-class manufacturing method for multi-format file encapsulation, which comprises the following steps:
uploading a material file at least comprising an audio/video format at a Web front end of a same micro-course making page;
establishing a corresponding frame set unit for the uploaded material files in the audio/video format according to the single teaching knowledge point, and associating corresponding auxiliary files;
and packaging and uploading the established frame aggregation units and the corresponding auxiliary files to a Web server.
Preferably, in the above method for making a micro-class packaged by a multi-format file, the step of uploading a material file at least including an audio/video format at a Web front end of a page made in the same micro-class includes:
sending an asynchronous request for uploading the material files, and sending the asynchronous request for uploading the material files at least comprising audio/video formats to a Web server at the Web front end of the same micro-course manufacturing page;
responding to the asynchronous request and asynchronously uploading the material file, wherein the Web server responds to the asynchronous request sent to the Web server by the Web front end for manufacturing the page in the same micro-class, and asynchronously uploading the material file at least comprising the audio/video format by the Web front end for manufacturing the page in the same micro-class;
and synchronously verifying the uploaded material files at the Web front end of the same micro-course page, and stopping uploading and popping up corresponding prompts when the uploaded video files are verified to be the MP4 video files with non-h 264 coding, the exe files are non-compressed files and the number of the uploaded material files exceeds 6.
Preferably, in the above-mentioned method for making a multi-format file-packaged micro-lesson, the step of establishing a corresponding frame aggregation unit for the uploaded material files in audio/video format according to a single teaching knowledge point and associating the corresponding auxiliary files includes:
dividing teaching nodes of the selected material file in the audio/video format according to single teaching knowledge points, and editing knowledge point information describing each teaching node;
setting the starting point and the end point of each teaching node on the playing time axis of the selected material file in the audio/video format;
and associating the auxiliary files which need to be used in a matched manner in each teaching node, and constructing indexes of each teaching node, wherein an index key value is a description field of knowledge point information corresponding to each teaching node.
Preferably, in the above method for making a micro-lesson packaged by a multi-format file, before uploading a material file at least including an audio/video format to a Web front end of a page made in the same micro-lesson, the method further includes:
starting a micro-class making interface at the Web front end, and selecting a frame template to be presented after the micro-class to be made is issued;
filling basic data of the micro-lesson to be made currently under the selected frame template, wherein the basic data comprises the title, the brief introduction, the thumbnail, the subject and the author name of the micro-lesson;
and saving the basic data of the micro-class and entering an uploading interface of the material file.
Preferably, in the above-mentioned micro-lesson manufacturing method for packaging a multi-format file, the synchronous verification of the uploaded material files at the Web front end of the same micro-lesson manufactured page further includes verification of the size capacity of each material file at the Web front end of the same micro-lesson manufactured page and the size capacity of the total material file at the Web front end of the same micro-lesson manufactured page, and when the size capacity of a single material file exceeds 240MB or the size capacity of the total material file exceeds 240MB, the uploading is stopped and a corresponding prompt is popped up.
Preferably, in the above-mentioned micro-lesson making method for multi-format file encapsulation, when the size capacity of a certain material file at the front end of the Web of the same micro-lesson making page exceeds 240MB, the material file with the size capacity exceeding 240MB is intercepted and the value of the size capacity is displayed.
Preferably, in the above method for making a multi-format file-packaged micro-lesson, the basic data further includes an author's head portrait and keywords of the micro-lesson to be made currently under the framework template.
The embodiment of the invention further provides a micro-class manufacturing system for packaging the multi-format file, which comprises:
the Web front end is used for uploading material files at least comprising audio/video formats on the same micro-course manufacturing page, establishing corresponding frame set units for the uploaded material files in the audio/video formats according to a single teaching knowledge point, associating corresponding auxiliary files, and packaging and uploading each established frame set unit and each corresponding auxiliary file;
the Web server is used for receiving and acquiring data information uploaded by the Web front end, storing the data information into an OOS cloud storage and database, receiving an asynchronous request initiated from the Web front end by a user, and distributing the asynchronous request to a plurality of load servers of the Web server through nginx;
and the database is used for storing the local data.
The embodiment of the present invention further provides a micro-class creating device for multi-format file encapsulation, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the steps of the above-mentioned micro-class creating method for multi-format file encapsulation.
The embodiment of the invention further provides a multi-format file packaged micro-class learning platform, and the mobile learning platform is loaded with the micro-classes manufactured and released by the multi-format file packaged micro-class manufacturing method, system or device.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: when the teaching course is made, format files such as audio/video, excel, word, PPT, PDF, webpage files, exe files, compressed files, flash files and the like can be packaged in the micro-course teaching course, the presentation form of the micro-course teaching course is enriched, the operation is simple and convenient, the weight is light, the teaching course can be made and shared at any time, and a single knowledge segment with long time can be accurately positioned and played.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flow chart illustrating an implementation of a micro-course manufacturing method according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a specific implementation flow of step S100 in the micro-course manufacturing method shown in FIG. 1;
FIG. 3 is a schematic diagram illustrating an implementation process of step S200 in the micro-course manufacturing method shown in FIG. 1;
FIG. 4 is a schematic flow chart illustrating the implementation of step S100 in the micro-course manufacturing method shown in FIG. 1;
FIG. 5 is a block diagram of a micro-course manufacturing system according to a second embodiment of the present invention;
FIG. 6 is a diagram of a Web front-end module of the micro-course manufacturing system according to the second embodiment of the present invention;
FIG. 7 is an interface diagram of a frame template selecting module of the micro-course manufacturing system according to the second embodiment of the present invention;
FIG. 8 is an interface diagram of a data editing module of the micro-course creation system according to the second embodiment of the present invention;
fig. 9 is an interface diagram of a file upload module of the micro-course preparation system according to the second embodiment of the present invention;
FIG. 10 is an interface diagram of a format checking module of the micro-course manufacturing system according to the second embodiment of the present invention;
FIG. 11 is an interface diagram of a frame aggregation unit creation module of the micro-course manufacturing system according to the second embodiment of the present invention;
FIG. 12 is an interface diagram of an appearance presentation selection module of the micro-course manufacturing system according to the second embodiment of the present invention;
fig. 13 is a schematic block diagram of a micro-course manufacturing apparatus according to a third embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
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 some, not all, embodiments of the present invention. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating an implementation of a micro-course manufacturing method according to a first embodiment of the present invention. As shown in fig. 1, the micro-course making method of multi-format file package may include the following steps:
step S100: and uploading a material file at least comprising audio/video formats at the Web front end of the same micro-course production page.
In the embodiment of the present invention, the material files to be uploaded at least need to include files in audio/video formats, and when material files in other formats are needed, such as DOC files, XLS files, PPT files, picture files, EXE application files, flash files, web files, compressed files, and PDF files, the material files in these formats can be used as auxiliary files to cooperate with the files in audio/video formats to make a micro class. In general, to enhance the lively teaching of a class, an audio/video format is an indispensable material file.
Step S200: and establishing a corresponding frame set unit for the uploaded material files in the audio/video format according to the single teaching knowledge point, and associating the corresponding auxiliary files.
In the embodiment of the present invention, establishing a corresponding frame aggregation unit for a material file is only applicable to a material file in an audio/video format, and establishing a corresponding frame aggregation unit for a material file means dividing teaching contents included in the material file in the audio/video format according to teaching knowledge points, where each teaching knowledge point corresponds to one frame aggregation unit, and the frame aggregation unit takes a play node where the corresponding teaching knowledge point begins to appear in the audio/video file as a starting point, and positions the play node in units of frames. Similarly, the frame aggregation unit takes the playing node of the corresponding teaching knowledge point ending in the audio/video file as the end point, and the positioning takes the frame as the unit. In order to avoid the problem that the learner is tedious due to the fact that the playing time of a single teaching knowledge point is too long, the playing time of the single teaching knowledge point in the material file in the audio/video format is usually set to be 3-5 minutes.
Step S300: and packaging and uploading the established frame aggregation units and the corresponding auxiliary files to a Web server.
In the embodiment of the invention, when each frame set unit is divided, indexes are established for the start frame and the end frame corresponding to the corresponding frame set unit and the description of the teaching knowledge points corresponding to the frame set unit, and the knowledge points needing to be learned at present can be quickly positioned by searching the description of the teaching knowledge points, so that students can conveniently find the knowledge points in a most block mode. Meanwhile, network resources can be saved, and unimportant teaching contents can be skipped to carry out rapid positioning, watching and learning.
Specifically, as a preferred embodiment of the present invention, as shown in fig. 2, the step S100 of uploading a material file at least including an audio/video format at a Web front end of a same micro-course production page includes:
step S101: and sending an asynchronous request for uploading the material files, and sending the asynchronous request for uploading the material files at least comprising audio/video formats to a Web server at the Web front end of the same micro-course manufacturing page.
Step S102: and responding to the asynchronous request and asynchronously uploading the material file, wherein the Web server responds to the asynchronous request sent to the Web server by the Web front end for manufacturing the page in the same micro-class, and asynchronously uploading the material file at least comprising the audio/video format by the Web front end for manufacturing the page in the same micro-class.
In the embodiment of the invention, after the Web front end of the same micro-course making page sends the Ajax asynchronous request for uploading the material file to the Web server, the Java back end of the Web server acquires and obtains the data sent by the Web front end through the Java Spring Mvc request, and the asynchronous data acquisition is carried out. The material files are uploaded to a Web server side through Ajax asynchronous files, and cloud storage is conducted through an OSS object storage mode. Through the asynchronous file uploading mode, when the material files in various formats are uploaded, a micro-class maker can execute other operations on the operation page of the current micro-class at the same time, and the synchronization of the micro-class and the files is ensured.
Step S103: and synchronously verifying the uploaded material files at the Web front end of the same micro-course page, and stopping uploading and popping up corresponding prompts when the uploaded video files are verified to be the MP4 video files with non-h 264 coding, the exe files are non-compressed files and the number of the uploaded material files exceeds 6.
In the embodiment of the present invention, the material file formats that can be uploaded include audio/video format files, DOC files, XLS files, PPT files, picture files, EXE application files, flash files, web files, compressed files, and PDF files. In particular, the uploaded material file in the video format needs to be a micro video, i.e. a small-volume video content, and the MP4 video file encoded in the format of h 264. When the material file in the video format is verified to be not in accordance with the format requirement, a prompt pops up in a window for making the micro-class at the Web front end of the same micro-class making page, the prompt prompts that the currently uploaded video is the MP4 video file with the non-h 264 coding, and a micro-class maker is reminded to perform format conversion through format conversion application software. And when the size capacity of the material file in the video format exceeds 240MB, the Web front end stops uploading the material file in the video format and pops up a corresponding prompt.
Meanwhile, the method also comprises the steps of verifying the size capacity of the material files of other formats at the Web front end of the same micro-course manufacturing page and verifying the size capacity of the total material files at the Web front end of the same micro-course manufacturing page, when the size capacity of a single material file exceeds 240MB, the material file with the size capacity exceeding 240MB is stopped to be uploaded, the size capacity value of the material file is displayed, the material files with other sizes and capacities meeting the requirements are uploaded independently, and other material files in the batch are not influenced. In addition, when the size capacity of the total material files exceeds 240MB, the uploading of each material file is also interrupted, and a corresponding prompt is popped up at the Web front end of the micro-course making page.
Further, as another preferred embodiment of the present invention, as shown in fig. 3, a specific process of the step S200 of establishing a corresponding frame aggregation unit for the uploaded material files in the audio/video format according to a single teaching knowledge point and associating the corresponding auxiliary files includes:
step S201: and dividing teaching nodes for the selected material files in the audio/video formats according to single teaching knowledge points, and editing and describing knowledge point information of each teaching node.
In the embodiment of the invention, the division of teaching nodes of the selected material file in the audio/video format is limited to 12, and the node name is limited to 10 characters.
Step S202: and respectively setting the starting point and the end point of each teaching node on the playing time axis of the selected material file in the audio/video format, wherein the starting point and the end point are all in frame units. And simultaneously recording the starting point and the end point of each teaching node, and simultaneously describing information of the corresponding teaching node for accurate searching and positioning, and synchronizing the information to a Web server. The accurate searching and positioning can select the teaching nodes of the video to play, namely directly position the knowledge points, further save network resources and skip unimportant content to watch and learn. When the number of knowledge points is more, the video nodes are asynchronously added, and the video nodes can be deleted when the operation is wrong.
Step S203: and associating the auxiliary files which need to be used in a matched manner in each teaching node, and constructing indexes of each teaching node, wherein an index key value is a description field of knowledge point information corresponding to each teaching node. The index information is asynchronously uploaded to a Web server and an associated database through a Web front end, namely, local data storage is carried out while cloud storage is carried out.
Further, as another preferred embodiment of the present invention, as shown in fig. 4, before uploading a material file at least including an audio/video format to a Web front end of a same micro-lesson production page, the method further includes the steps of:
step S10: and starting a micro-class making interface at the Web front end, and selecting a frame template to be presented after the micro-class to be made is released. The frame template is a plurality of templates preset at the front end of the Web, namely the outline and the organization form of the micro-class teaching content, such as learning targets, learning content, supporting materials, operations, tests, learning (teaching) plans, courseware, learning basic resources, learning extension resources, learning bases, advanced learning, extended resources, teaching courseware and the like. The current micro-course teaching content needs to be assisted by what expression form, namely, a corresponding frame template can be selected on a micro-course making interface at the Web front end, and then corresponding material files are uploaded according to a corresponding outline and an organization form.
Step S20: and filling basic data and author information of the micro lesson to be made currently under the selected frame template, wherein the basic data comprises the title, brief introduction, thumbnail, subject of the lesson and keywords. The author information includes an author avatar and an author name.
In the embodiment of the invention, after the frame template is selected, the basic data of the currently manufactured micro lesson, including the title, brief introduction, thumbnail, subject section and keyword of the micro lesson, is filled in the micro lesson manufacturing interface at the Web front end. After the basic information of the micro lessons is filled, the author information is filled, wherein the author information comprises the head portrait of the author and the name of the author. The necessary contents are title, brief introduction, subject of the discipline and author name. The subject section of the subject section refers to a teaching object applicable to the current micro-class, and can be an object of kindergarten children and nine-year compulsory education, and can also be university and adult education, and the subject section refers to English, Chinese pinyin, numbers, knowledge and the like.
The above operations are also performed by sending an asynchronous request to the Web server at the front end of the Web by the user, shunting the sent asynchronous request to a plurality of load servers through nginx, and analyzing and calculating the obtained data after one of the servers receives the asynchronous request, for example: the name of the micro class, the creator, the creation time, the micro class node and the like, the number of uploaded files, the number of teaching nodes arranged on the playing time axis of the audio/video format material file, the description of the teaching nodes and the information of the teaching nodes are also counted.
Step S30: and saving the basic data of the micro-class and entering an uploading interface of the material file.
The audio/video files, the excel files, the word files, the PPT files, the PDF files, the webpage files, the exe files, the compressed files, the flash files and other format files are all packaged in the micro-class teaching course when the teaching course is manufactured, the presentation form of the micro-class teaching course is enriched, the operation is simple and convenient, the weight is light, and the micro-class teaching course can be manufactured and shared at any time.
Referring to fig. 5, a structure and a dataflow diagram of a multi-format file encapsulation micro-course manufacturing system according to a second embodiment of the present invention are shown. The micro-course making system for packaging the multi-format file of the second embodiment comprises:
the Web front end is used for providing a production interface for a user, and the user can conveniently upload material files at least comprising audio/video formats on the same micro-course production page. After a user uploads a material file, a corresponding frame set unit is established for the uploaded material file in an audio/video format according to a single teaching knowledge point in the audio/video, the corresponding auxiliary file is associated, and each established frame set unit and the corresponding auxiliary file are packaged and uploaded. Establishing a corresponding frame set unit for the material file means that teaching contents contained in the material file in the audio/video format are divided according to teaching knowledge points, each teaching knowledge point corresponds to one frame set unit, and the frame set unit takes a playing node of the corresponding teaching knowledge point, which begins to appear in the audio/video file, as a starting point and positions the frame as a unit. Similarly, the frame aggregation unit takes the playing node of the corresponding teaching knowledge point ending in the audio/video file as the end point, and the positioning takes the frame as the unit.
And the Web server is used for receiving and acquiring data information uploaded by the Web front end, storing the data information into an OOS cloud storage and database, receiving an asynchronous request initiated from the Web front end by a user, and shunting the asynchronous request to a plurality of load servers of the Web server through nginx. Nginx acts as reverse proxy and load balancing, and in addition, Tomcat acts as a Java high-performance web container, so that the performance can be improved, the problem of the server caused by overlarge access amount is prevented, and the shunting effect is achieved. After the Web front end uploads each frame set unit, the Java Spring Mvc of the Java back end of the Web service end acquires the asynchronous request of the Web front end to obtain the data sent by the Web front end. And analyzing and recording the node information of each frame set unit by the Java back end, counting the number of uploaded material files and the number of teaching nodes, and storing the description information of the teaching nodes.
And the Mysql database is used for storing local data.
In practical application, a Redis cache is also included, that is, the data is temporarily stored by the Redis.
Specifically, in the preferred embodiment of the present invention, as shown in fig. 6, the Web front end includes a frame template selecting module, a material editing module, a file uploading module, a format checking module, a frame aggregation unit creating module, and an appearance presenting selecting module. The frame template selection module is used for the micro-class making user to select the template style of the micro-class to be made. Specifically, the interface of the frame template selecting module is as shown in fig. 7, and under the command of template selection, a micro-course making page at the front end of the Web shows a plurality of preset frame templates. The frame template corresponds to the outline and the organization form of the micro-class teaching content, such as learning targets, learning content, supporting materials, operations, tests, learning (teaching) plans, courseware, learning basic resources, learning extension resources, learning bases, advanced learning, extension resources, teaching courseware and the like. The current micro-course teaching content needs to be assisted by what expression form, namely, a corresponding frame template can be selected on a micro-course making interface at the Web front end, and then corresponding material files are uploaded according to a corresponding outline and an organization form.
After the frame template is selected and used, the data editing module is entered, the interface of the data editing module is as shown in fig. 8, basic information and author information of the micro-class to be produced are edited and entered in the data editing module, and the basic information of the micro-class comprises a title, an introduction, a thumbnail, a subject section and keywords of the micro-class. After the basic information of the micro lessons is filled, the author information is filled, wherein the author information comprises the head portrait of the author and the name of the author. The necessary contents are title, brief introduction, subject of the discipline and author name. The subject section of the subject section refers to a teaching object applicable to the current micro-class, can be an object of children in a kindergarten and nine-year compulsory education, and refers to English, Chinese pinyin, numbers, pictures and the like.
After the information of the micro-class data is edited, the data is stored and enters the next step, then the file uploading module is entered, the interface of the file uploading module is shown in fig. 9, functional units such as learning targets, learning contents and configuration resources can be deleted on the left side of the module, when the current functional units are insufficient, a button of an adding module can be clicked to add the functional units, and the editing function of the left functional units is provided in a window on the right side. As shown in fig. 9, the currently added material file in the functional unit "learning content" is "video. mp 4", when other material files need to be uploaded, the "add file" button is continuously clicked, that is, the interface shown in fig. 10 appears, and by clicking the button corresponding to the file with different format, the material file with corresponding format can be correspondingly added.
After the material files needing to be uploaded are added, the material files are stored and enter the next step, then the format check module is started, the interface of the format check module is shown in fig. 10, the format check module synchronously checks all the uploaded material files, and when the uploaded material files are checked to be the MP4 video files which are not h264 coded, the exe files are non-compressed files and more than 6 uploaded material files are detected, uploading is stopped, and corresponding prompts are popped up. The uploaded material file formats comprise files in audio/video formats, DOC files, XLS files, PPT files, picture files, EXE application program files, flash files, webpage files, compressed files and PDF files. In particular, the uploaded material file in the video format needs to be a micro video, i.e. a small-volume video content, and the MP4 video file encoded in the format of h 264. When the material file in the video format is verified to be not in accordance with the format requirement, a prompt pops up in a window for making the micro-class at the Web front end of the same micro-class making page, the prompt prompts that the currently uploaded video is the MP4 video file with the non-h 264 coding, and a micro-class maker is reminded to perform format conversion through format conversion application software. And when the size capacity of the material file in the video format exceeds 240MB, the Web front end stops uploading the material file in the video format and pops up a corresponding prompt.
Meanwhile, the method also comprises the steps of verifying the size capacity of the material files of other formats at the Web front end of the same micro-course manufacturing page and verifying the size capacity of the total material files at the Web front end of the same micro-course manufacturing page, when the size capacity of a single material file exceeds 240MB, the material file with the size capacity exceeding 240MB is stopped to be uploaded, the size capacity value of the material file is displayed, the material files with other sizes and capacities meeting the requirements are uploaded independently, and other material files in the batch are not influenced. In addition, when the size capacity of the total material files exceeds 240MB, the uploading of each material file is also interrupted, and a corresponding prompt is popped up at the Web front end of the micro-course making page.
After the format of the uploaded material file is checked, the uploaded material file is saved and enters the next step, and then the frame assembly unit creation module is entered, and an interface of the frame assembly unit creation module is shown in fig. 11. Establishing a corresponding frame set unit for the material file means that teaching contents contained in the material file in the audio/video format are divided according to teaching knowledge points, and each teaching knowledge point corresponds to one frame set unit. When each frame set unit is divided, indexes are established for the start frame and the end frame corresponding to the corresponding frame set unit and the description of the teaching knowledge points corresponding to the frame set unit, the knowledge points needing to be learned at present can be quickly positioned through searching the description of the teaching knowledge points, and students can conveniently find the knowledge points in a most blocky mode. Meanwhile, network resources can be saved, and unimportant teaching contents can be skipped to carry out rapid positioning, watching and learning.
After the frame aggregation unit is created, the frame aggregation unit is stored and enters an appearance presentation selection module, and an interface of the appearance presentation selection module is shown in fig. 12. By selecting the appearance presentation sample preset in the window on the left side of the interface, the manufactured micro lesson set can be applied to the corresponding appearance presentation sample. Appearance presentation examples are attributes such as appearance interfaces, styles, skins and the like presented on the learning platform after the micro-class is released. After selecting a sample suitable for a certain appearance presentation, clicking to view in the preview window on the right side.
Referring to fig. 13, a structure and a dataflow diagram of a multi-format file encapsulation micro-course manufacturing system according to a third embodiment of the present invention are shown. The micro-course making system for packaging the multi-format file of the second embodiment comprises:
fig. 13 is a schematic diagram of a micro-course creation apparatus 100 according to a third embodiment of the present invention. As shown in fig. 13, the micro-lesson creation apparatus 100 according to this embodiment includes: a processor 10, a memory 30 and a computer program 20, such as a multi-format file-encapsulated micro-lesson making method program, stored in the memory 30 and executable on the processor 10. The processor 10 executes the computer program 20 to implement the steps of the micro-course manufacturing method for multi-format file encapsulation in the above embodiments, such as the flow steps in fig. 1 to fig. 4. Alternatively, the processor 10 executes the computer program 20 to implement the functions of each module/unit in the multi-format file-packaged micro-lesson making system, such as the functions of each module/unit in fig. 5 to fig. 12.
Illustratively, the computer program 20 may be partitioned into one or more modules/units that are stored in the memory 30 and executed by the processor 10 to implement the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 20 in the multi-format file-packaged micro-lesson making system or the multi-format file-packaged micro-lesson making device 100.
The Processor 10 may be a Micro Control Unit (MCU), a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage 30 may be an internal storage unit of the multi-format file-packaged micro-class creating device 100, such as a hard disk or a memory of the multi-format file-packaged micro-class creating device 100. The memory 30 may also be an external storage device of the multi-format file-packaged micro-lesson manufacturing apparatus 100, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, provided on the multi-format file-packaged micro-lesson manufacturing apparatus 100.
Further, the memory 30 may include both an internal storage unit and an external storage device of the multi-format file packaged micro-lesson making apparatus 100. The memory 30 is used for storing the computer program and other programs and data required by the multi-format file packaged micro-lesson making device 100. The memory 30 may also be used to temporarily store data that has been output or is to be output.
Further, a fourth embodiment of the present invention further discloses a multi-format file packaged micro-class learning platform, wherein the mobile learning platform carries the micro-classes manufactured and released by the multi-format file packaged micro-class manufacturing method, system or device.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. It is understood that all or part of the processes in the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium and can implement the steps of the embodiments of the methods described above when the computer program is executed by a processor. . Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. The method for manufacturing the micro lesson packaged by the multi-format file is characterized by comprising the following steps of:
uploading a material file at least comprising an audio/video format at a Web front end of a same micro-course making page;
establishing a corresponding frame set unit for the uploaded material files in the audio/video format according to the single teaching knowledge point, and associating corresponding auxiliary files; the auxiliary file comprises: DOC files, XLS files, PPT files, picture files, EXE application program files, flash files, webpage files, compressed files and PDF files; the step of establishing a corresponding frame set unit for the uploaded material files in the audio/video format according to the single teaching knowledge point and associating the corresponding auxiliary files comprises the following steps:
dividing teaching nodes of the selected material file in the audio/video format according to single teaching knowledge points, editing knowledge point information describing each teaching node, and enabling each teaching knowledge point to correspond to a frame set unit;
setting the starting point and the end point of each teaching node on the playing time axis of the selected material file in the audio/video format;
associating auxiliary files needing to be used in a matched manner in each teaching node, and constructing indexes of each teaching node, wherein an index key value is a description field of knowledge point information corresponding to each teaching node;
packaging and uploading the established frame set units and corresponding auxiliary files to a Web server, establishing indexes for the start frames and the end frames corresponding to the corresponding frame set units and the description of the teaching knowledge points corresponding to the frame set units when the frame set units are divided, and positioning the frames as units;
the step of uploading the material file at least comprising audio/video formats at the Web front end of the same micro-course page comprises the following steps:
sending an asynchronous request for uploading the material files, and sending the asynchronous request for uploading the material files at least comprising audio/video formats to a Web server at the Web front end of the same micro-course manufacturing page;
responding to the asynchronous request and asynchronously uploading the material file, wherein the Web server responds to the asynchronous request sent to the Web server by the Web front end for manufacturing the page in the same micro-class, and asynchronously uploading the material file at least comprising the audio/video format by the Web front end for manufacturing the page in the same micro-class;
and synchronously verifying the uploaded material files at the Web front end of the same micro-course page, and stopping uploading and popping up corresponding prompts when the uploaded video files are verified to be the MP4 video files with non-h 264 coding, the exe files are non-compressed files and the number of the uploaded material files exceeds 6.
2. The method for making a multi-format file package micro-lesson according to claim 1, wherein the method further comprises, before uploading a material file at least including audio/video formats to a Web front end of the same micro-lesson making page, the steps of:
starting a micro-class making interface at the Web front end, and selecting a frame template to be presented after the micro-class to be made is issued;
filling basic data of the micro-lesson to be made currently under the selected frame template, wherein the basic data comprises the title, the brief introduction, the thumbnail, the subject and the author name of the micro-lesson;
and saving the basic data of the micro-class and entering an uploading interface of the material file.
3. The method as claimed in claim 1, wherein the step of synchronously checking the uploaded material files at the Web front end of the same micro-lesson-made page further comprises checking the size capacity of each material file at the Web front end of the same micro-lesson-made page and the size capacity of the total material file at the Web front end of the same micro-lesson-made page, and when the size capacity of a single material file exceeds 240MB or the size capacity of the total material file exceeds 240MB, stopping the uploading and popping up a corresponding prompt.
4. The multi-format document packaging micro-lesson making method according to claim 3, wherein when the size capacity of a certain material file at the front end of the Web of the same micro-lesson making page exceeds 240MB, the material file with the size capacity exceeding 240MB is intercepted and the size capacity value is displayed.
5. The method as claimed in claim 2, wherein the basic data further comprises an author's head portrait and keywords of the micro lesson to be created currently under the framework template.
6. A micro-lesson making system for packaging multi-format files, which is applied to the method of any one of claims 1 to 5, the micro-lesson making system comprising:
the Web front end is used for uploading material files at least comprising audio/video formats on the same micro-course manufacturing page, establishing corresponding frame set units for the uploaded material files in the audio/video formats according to a single teaching knowledge point, associating corresponding auxiliary files, and packaging and uploading each established frame set unit and each corresponding auxiliary file;
the Web server is used for receiving and acquiring data information uploaded by the Web front end, storing the data information into an OOS cloud storage and database, receiving an asynchronous request initiated from the Web front end by a user, and distributing the asynchronous request to a plurality of load servers of the Web server through nginx;
and the database is used for storing the local data.
7. A device for producing a multi-format file package micro-lesson, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to realize the steps of the multi-format file package micro-lesson producing method according to any one of claims 1 to 5.
8. The micro-class learning platform packaged by multi-format files is characterized in that micro-classes manufactured and issued by the micro-class manufacturing method packaged by multi-format files according to any one of claims 1 to 5 are carried on the micro-class learning platform.
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| CN109859079A (en) * | 2018-12-30 | 2019-06-07 | 广东彼雍德云教育科技有限公司 | It is a kind of to interact the class manufacturing system that declines |
| CN109982160A (en) * | 2019-04-09 | 2019-07-05 | 北京奇艺世纪科技有限公司 | A kind of method, apparatus, client device and server that video uploads |
| CN110209935A (en) * | 2019-05-28 | 2019-09-06 | 湖北工业大学 | A kind of production method for reviewing net class for the end of term |
| CN113891140A (en) * | 2021-09-30 | 2022-01-04 | 北京市商汤科技开发有限公司 | Material editing method, device, equipment and storage medium |
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