CN109688478A - A kind of Online Video Network Course on Demand system based on java - Google Patents
A kind of Online Video Network Course on Demand system based on java Download PDFInfo
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- CN109688478A CN109688478A CN201910005845.2A CN201910005845A CN109688478A CN 109688478 A CN109688478 A CN 109688478A CN 201910005845 A CN201910005845 A CN 201910005845A CN 109688478 A CN109688478 A CN 109688478A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25891—Management of end-user data being end-user preferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
- H04N21/4756—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for rating content, e.g. scoring a recommended movie
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Software Systems (AREA)
- Computer Graphics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The Online Video Network Course on Demand system based on java that the invention discloses a kind of, it includes foreground system and background system, foreground system includes line module, categorization module, topic module, video module and comment management module, background system further includes click volume Reports module, line module includes ordinary user's module and administrator's module, video module has video display, retrieve video, video playing, individual's notes, video collection, video is reviewed and video download functional module, comment management module includes video comments and comment management program module, commenting on management program module has realization comment and recovery function.Using this Online Video Network Course on Demand system, people can freely arrange learning time, and it is convenient and efficient that this Online Video Network Course on Demand system has been brought, and achieve good using effect.
Description
Technical field
The present invention relates to a kind of VOD system more particularly to a kind of Online Video Network Course on Demand systems based on java, belong to
In multimedia network technology field.
Background technique
Today's society, because of a variety of causes, people think the interest for more cultivating oneself in the case where being not desired to outgoing,
Or oneself personal knowledge deposit is promoted, study of being then in has become the normality in another meaning.Online Video class
Journey program request be one it is emerging, have the characteristics that the audio-visual technology of the synthesis of multimedia.Video information is stored on local server
, obtaining the content that video information is active and video information can control.Video uses the video format of high definition, protects
Experience when user watches video is demonstrate,proved, into Online Video Network Course on Demand system, multi-user can watch simultaneously.But due to view
Frequency data volume is excessively huge, and the transmission of network is restricted, and the process for causing system to run responds slower.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of Online Video Network Course on Demand system based on java, utilize
The system, people freely can automatically arrange the learning time of oneself, when want to learn, with regard to when learning.This is online
It is convenient and efficient that video classes VOD system has been brought, and people do not need to attend class every time as Traditional Classroom and will run
The classroom fixed to one can choose the place oneself preferred, hold the computer of oneself, alone a people or
It is the enjoyment for enjoying to attend class in a quieter place of several classmates in groups, effective solution is above-mentioned to ask
Topic.
The technical solution of the present invention is as follows: a kind of Online Video Network Course on Demand system based on java, it includes foreground system
And background system, the foreground system include line module, categorization module, topic module, video module and comment on management module,
The background system includes line module, categorization module, topic module, video module, comment management module and click volume report
Module, wherein line module includes ordinary user's module and administrator's module, and topic module has new theme, theme point
Class and Subject Manager function, video module have video display, retrieval video, video playing, personal notes, video collection, view
Frequency review with video download functional module, comment on management module include video comments and comment management program module, the comment
Realization comment and recovery function of the management program module with fck+ajax+jquery, including following three step: one, the page
It clicks, the operations triggering such as submission ajax sends Asynchronous Request；Two, server executes deletion, modification, insertion etc. operation, operation at
Function returns to confirmation message；Three, the page receives the confirmation message of server return, is executed accordingly if correct using jquery
Operation.
In ordinary user's module, ordinary user using first register log in afterwards by the way of enter website, can in website
With online browse video information, searches for video information and watch video information online, writes notes and function of making comments.
In administrator's module, administrator is arranged by inside, into after system background, is responsible for using on managing web
The management of family information and video information and the management of comment information, including the increase, deletion, modification of video information, with
And increase, deletion and the modification of comment information.
It include three kinds of window transform modes in the video module, mode 1 is window style when not setting window scheme,
Convenient for the random program request of user, and the video that the last time for recording user plays, and collection is provided and downloads the video；Mode
2 are prepared for the fine learning knowledge of student, and student can record important, not understanding, fuzzy knowledge point at any time, in case
It is used when reviewing later；Mode 3 is primarily used for student in later period review and consolidation knowledge, and click is reviewed and can be played rapidly
Broadcast point when the newly-built notes, quick review knowledge point.
The beneficial effects of the present invention are: compared with prior art, having the following advantages: using this Online Video Network Course on Demand system
System, people freely can automatically arrange the learning time of oneself, when want to learn, with regard to when learning.This Online Video
It is convenient and efficient that Network Course on Demand system has been brought, and people, which do not need to attend class every time as Traditional Classroom, will run to one
The classroom of a fixation can choose the place oneself preferred, hold the computer of oneself, and a people is either several alone
The enjoyment for enjoying to attend class in a quieter place of a classmate in groups.In addition, many teachers, it is also desirable to oneself energy
It is enough to radiate more light and heats for society, while also improving personal influence power and popularity in industry, it be it is a be suitble to it is general
Lead to public Online Video Network Course on Demand system, achieves good using effect.
Detailed description of the invention
Fig. 1 is hardware structural diagram of the invention；
Fig. 2 is MVC flow chart of the invention；
Fig. 3 is user's logon data flow graph of the invention；
Fig. 4 is user's registration flow graph of the invention；
Fig. 5 is general purpose user service flow chart of the invention；
Fig. 6 is administrator's business process map of the invention；
Fig. 7 is video module different mode schematic diagram of the invention；
Fig. 8 is subject of the present invention module diagram；
Fig. 9 is background system schematic diagram of the invention；
Figure 10 is that overall data library E-R of the invention schemes；
Figure 11 is that projects module of the invention divides schematic diagram；
Figure 12 is user's use flow diagram of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to this specification attached drawing to this hair
It is bright to be described in further detail.
Embodiment 1: as shown in attached drawing 1~12, a kind of Online Video Network Course on Demand system based on java, it includes foreground
System and background system, the foreground system include line module, categorization module, topic module, video module and comment management
Module, the background system include line module, categorization module, topic module, video module, comment management module and click volume
Reports module, wherein line module includes ordinary user's module and administrator's module, and topic module has new theme, master
There is video display, retrieval video, video playing, personal notes, video to receive for topic classification and Subject Manager function, video module
Hiding, video review with video download functional module, comment on management module include video comments and comment management program module, it is described
Comment on realization comment and recovery function of the management program module with fck+ajax+jquery, including following three step: one,
The page is clicked, and the operations triggering such as submission ajax sends Asynchronous Request；Two, server executes deletion, and modification, insertion (does not have here
Inquiry) etc. operation, operate and successfully return to confirmation message；Three, the confirmation message that the page receives server return (does not execute look into here
Inquiry goes to original list), corresponding operation is executed using jquery if correct.
Further, in ordinary user's module, ordinary user using first register log in afterwards by the way of enter website,
In website can with online browse video information, search video information and online watch video information, write notes and make comments
Function.
Further, in administrator's module, administrator is arranged by inside, into after system background, is responsible for management net
The management of upper user information of standing and video information and the management of comment information, including the increase of video information, deletion,
Modification and increase, deletion and the modification of comment information.
After dividing according to the role of user and demand, data flow diagram such as Fig. 2~5 of whole system can be summarized
It is shown.
From the process analysis of system flow, the mistake that the operation flow of video classes program request should be moved along system information flows is investigated
Journey carries out step by step, and content includes the processing business of each link, information source, processing method, the whereabouts of information flow offer information
Time and form (report, document etc.) analyzed by factual survey to video classes demand (telecommunication) service.The network analysis of system
In the stage, we design the business process map of our systems, have understood fully the operation flow of video classes VOD system, when user into
When row registration volume, typing is carried out to the information of user's registration, the information of user's typing is verified when typing,
Judge that user whether there is, exist, user is prompted to re-type information, is carried out if there is no the registration information then to user
It saves, is saved in corresponding customer data base.The operation flow of whole system is as shown in Figure 4, Figure 5.
Further, as shown in fig. 7, topic module includes the functions such as new theme, subject classification and Subject Manager, have
Lucene full-text search plug-in unit, search is more effectively, more rapidly.
It further, include three kinds of window transform modes in video module, mode 1 is window when not setting window scheme
Pattern, convenient for the random program request of user, and the video that the last time for recording user plays, and collection is provided and downloads the view
Frequently；Mode 2 is prepared for the fine learning knowledge of student, and student can record important, not understanding, fuzzy knowledge at any time
Point is used when in case reviewing later；Mode 3 is primarily used for student in later period review and consolidation knowledge, and click is reviewed
Broadcast point when the newly-built notes, quick review knowledge point are played rapidly.Certainly, Three models all can be in the user of customer center
The information modification page carries out free setting and complies with as shown in fig. 6, this video playback window has preferable window transform mode
The different window scheme of the process formulation of student's study.
Further, the background system of this system includes line module, categorization module, topic module, video module, comment
Management module and click volume Reports module, functional effect are as shown in Figure 8.
Further, as shown in Figure 1, the hardware configuration of this video classes VOD system includes: video server, video point
Broadcast system, network system and several client browsers.
Further, as shown in Fig. 2, video classes VOD system uses MVC frame.The full name of MVC is Model View
Controller is the abbreviation of model (model)-view (view)-controller (controller), a kind of software design allusion quotation
A kind of model, the method tissue code separated with service logic, data, interface display, service logic is gathered in a component
Face does not need to rewrite service logic while improvement and personalized customization interface and user's interaction.MVC is unique
Grow up for mapping traditional input, handling and exporting function in the structure of the graphic user interface of a logic.
Further, this video classes VOD system has following performance: stability: because VOD system is to allow user's energy
Enough convenient steadily viewing video programs, so stability is the first cardinal principle, only stable, failure rate is low,
User can be attracted to use；Integrality: the video classes VOD system of design necessarily requires function more complete.Usual other video
The basic function that Network Course on Demand system has will design, and give up to fall and not need in some regular jobs, is impracticable
Function；Versatility: this principle of versatility is also the most important parameter designed herein, the number as video and audio
International and mainstream standard is had to comply with according to format, can just meet the demand of most users in this way；Availability: this original of availability
It is then the terminal and supporting point in design, the using terminal for allowing user can be convenient carries out video classes program request, counts as using
The video classes VOD system of calculation machine network, we use B/S structural system, WEB interface management, user are allowed easily to utilize
Browser can be carried out video classes program request, without extraly installing other software.
The function that this Online Video Network Course on Demand system is realized includes the management and video information of userspersonal information
Management and use, comment management etc..Specifically, it includes registration common in user management, register, video information
Display plays, search operation, addition, deletion, modification in video management, addition, deletion, modification etc. in comment management.Together
When in order to facilitate user's use, increase by video classification and the functions such as show.
Further, as shown in Figure 9, data entity is data to the detailed description of the overall data library E-R figure of this system
Summarize a specific individual, is related between each individual, it is important to how to design this relationship.In order to user couple
The demand of video classes program request is understood, and the operational requirements of user can clearly, accurately be depicted, it would be desirable to be built
A conceptual model is found, this model should be the model of a user oriented problem, be established according to the demand of user
, it is therefore necessary to letting the user know that this model content to be expressed, it allows for correctly reflecting realization environment, and
The application environment of user.Most importantly, this model can't have relationship with the development model in software systems.Because this
A model is intended merely to that user is allowed to participate in initial data analysis, and development model is on the basis of conceptual model
Design for exploitation.This conceptual model can be described as the model on a surface layer, explorative model be in one
Model, must not lump together.
Here designed conceptual model is known as data model, mainly includes three kinds of information: data object, data object
Attribute and data object relationship.These three information are all inter-related, rather than independent.
1, data object: data object is that the more complicated object come is pulled out from video classes VOD system, it
It is that the different object datas that can describe subscriber unit come are pulled out from the angle of user.Between each data object
It is all related；
2, the attribute of data object: the attribute of data object namely pulls out the Properties of Objects come.It must be one
Or multiple attribute definitions be identifier that is, when it is desirable that finding an example of data object identifier attribute
As keyword (often referred to simply as " key ")；
3, contact: the things in objective world is often correlative to each other, is not independence, wherein most attaching most importance to
What is wanted is the relationship between things.And be mutually connected between each data object and referred to as contact, also referred to as relationship.It is setting
When counting a software, required practical judgment be it is more, these practical judgments are established an effective connection
System, and reasonable function is designed according to these effective connections.Usually connection can divide following 3 seed type:
(1) one to one relationship (1:1): one to one relationship refers to that a things is one for the relationship between another things
One is corresponding, and a things corresponds to a unique things；
(2) one-to-many connection (1:M): one-to-many connection refer to a things be for other several things it is associated,
One things corresponds to multiple things；
(3) many to many relationship (M:N): many to many relationship refers to that multiple things correspond to multiple things.This connection is substantial
It is two one-to-many relationship compositions.There is a transition connection among it --- i.e. many to one relationship and one-to-many connection.
Further, the technical requirements of this system are as follows: one, functional requirement:
(1) estimated various functions can be correctly completed.It can really realize perfect video classes program request.
(2) whether being invalid data or data of crossing the border can be judged to the data of input, system can provide prompt automatically, accuse
Tell that user re-enters.
(3) each module can correctly be run at runtime, and cannot be interfered with each other between each module, various operations it is fast
The enough correct operations of prompt bond energy.And it can not be clashed with other software.
(4) correct processing can be provided to illegal operation or illegal data, there can be no system crash phenomenons.
Two, coding requirement:
The name of primary application program: the name of primary application program should determine by project leader, can give expression to completely and be
The English character string for meaning of uniting, including application object name, using the library name at place, entry name, executable file name
It must all unify to use this name.Interface between modules has project leader to be responsible for name, and has special messenger to be responsible for design,
A unified interface function is formed as far as possible, can freely be called in modules.
Three, interface requirements:
(1) each window is of moderate size, rationally distributed, is inserted with plate, beautiful interface is generous.
(2) name of the text of the control of each window and button is correct, is also equipped with icon sometimes.
Four, Database Requirements:
(1) design of table is reasonable, not the data of redundancy.
(2) using English mode, field type and length are reasonable for the name of table and field.
(3) major key of table, external key and index are correct.
(4) connection between foregrounding and background data base is correct.
Further, for the database of video classes VOD system, function the most main is exactly that design can
To be easy the database structure of retrieval, it can complete the description to various data informations, and provide the pass of various data informations
System, and easily video classes order program data information is managed according to these relationships, to realize that these functions will carry out
The structure of database designs.All data that can be used are subjected to induction and conclusion, the relation on attributes of these data are found, thus structure
Build database structure, the design of general data library structure be exactly data are carried out with the definition of project, such as: in the title of table, table
The foundation of field, data type, length and null attribute of field etc..When types of design data, it is understood that the number of use
According to base management system what is, because the identifier for the data type that different data base management systems uses and length are general
There are some difference, the structure for the database that use here is as follows:
Table 4-1 XTKT_USER (user's table)
Table 4-2 XTKT_THEME (subject heading list)
Table 4-3 XTKT_PRIVILEGE (authority list)
Table 4-4 XTKT_MENU (menu sheet)
Table 4-5 XTKT_NOTE (notes table)
Table 4-6 XTKT_COMENT (comment table)
Table 4-7 XTKT_VIDEO (video table)
Table 4-8 XTKT_USER_COLLECTIONTHEME (user collects subject heading list)
Table 4-9 XTKT_USER_PRIVILEGE (user-authority list)
The packet name and class name of this system are as follows:
Packet name is unified are as follows: com.xtkt. module name .entity
Com.xtkt. module name .dao
Com.xtkt. module name .action
Com.xtkt. module name .service
Class name is unified are as follows: module name Action.java
Module name Service.java
This system operation platform demand: this system design and operation is under Windows7 operating system environment, the system user
Friendly interface is easy to learn and use.Client user only needs browser can.
The bright spot of this system:
1. malicious registration and website attack in order to prevent, reduce the pressure of server, in user's registration and login function
We are added to four with the interfering line identifying code being made of numeral and letter
2. we use e-mail activation mode that new user is made to come into force to new user's registration, can be carried out with mailbox and user password
Log in
3. video can divide chapters and sections to play, a collection, which finishes, a collection user to watch view after logging under automatic continued broadcasting
Frequency can watch the timing node for the available current video of that can continue to take notes next time to take notes when seeing
4. we used Lucene due to fuzzy query existing defects, any keyword of whole station resource may be implemented and search
Rope greatly optimizes user experience
5. the maintenance of website and Function Extension and video resource timely update for convenience, we are using Ext report
The mode of table carrys out the amount of access of real-time statistics website.
The details supplement of this system is as follows:
1. line module: user can input identifying code when registering, and also input mailbox number, carry out mailbox certification
Activation；When user logs in, detect whether to repeat to log in using Ajax.
2. categorization module: all videos being pressed subject classification, are grouped into corresponding theme in the following, generating three-level dish in homepage
It is single, show all classification.
3. comment module: comment is in database that whether every row has parentId in comment table, comments with the difference replied
By no parentId, the parentId of reply is the id of comment.When being commented on and being restored, ajax technology has been used, has been net
Page Local hydrodynamic unit, and Dom is used, content is applied directly on webpage, inquiry database is avoided, improves performance.
4. topic module: having three-stage menu on homepage, select choices from menus, find corresponding theme, be below theme and theme
Relevant video.
5. video module: video playing uses JW player plug-in unit, can support the video file of multiple format.Depending on
Frequency, which plays, the module for writing notes below the page, notes are write in click, and capture time writes notes, submits.The video playing page
The right, it can be seen that notes written by user oneself and the time for writing notes, when we click " reviewing ", video playing interface
Jump to the picture for writing time point corresponding to the time of notes.
6. click volume report: click volume report is using Extjs, and there are three drop-down list, corresponding three-levels in main interface
Menu has chosen further menu, can see the content of second-level menu, has selected second-level menu, can just see three-stage menu
Content.After having selected three-stage menu, data are incoming by json form dynamic, generate statistical report form.Report is dynamic
It generates, is changed according to the menu of administrator's selection.
7, authority module: this system permission module is fairly simple, gives one privilegeId of user, by blocker, just
It can judge which permission the user has.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.Finally, it is stated that the above reality
It applies example to be only used to illustrate the technical scheme of the present invention and not to limit it, although having carried out specifically the present invention referring to preferred embodiment
It is bright, those skilled in the art should understand that, can with modification or equivalent replacement of the technical solution of the present invention are made, and
The objective and range for not departing from technical solution of the present invention, are intended to be within the scope of the claims of the invention.
Claims (4)
1. a kind of Online Video Network Course on Demand system based on java, it is characterised in that: it includes foreground system and background system,
The foreground system includes line module, categorization module, topic module, video module and comment management module, the backstage system
System includes line module, categorization module, topic module, video module, comment management module and click volume Reports module, wherein using
Family module includes ordinary user's module and administrator's module, and topic module has new theme, subject classification and theme pipe
Function is managed, there is video module video display, retrieval video, video playing, personal notes, video collection, video to review and regard
Frequency download function module, comment management module include video comments and comment management program module, the comment management program mould
Realization comment and recovery function of the block with fck+ajax+jquery, including following three step: one, the page is clicked, submits behaviour
Make triggering ajax and sends Asynchronous Request；Two, server executes deletion, modification and insertion operation, operates and successfully returns to confirmation message；
Three, the page receives the confirmation message of server return, executes corresponding operation using jquery if correct.
2. the Online Video Network Course on Demand system according to claim 1 based on java, it is characterised in that: the common use
In the module of family, ordinary user using first register log in afterwards by the way of enter website, in website can with online browse video information,
Search video information and online viewing video information write notes and function of making comments.
3. the Online Video Network Course on Demand system according to claim 1 based on java, it is characterised in that: the administrator
In line module, administrator is arranged by inside, into after system background, is responsible for user information and video information on managing web
Management and comment information management, including the increase of video information, deletion, modification and comment information increase,
It deletes and modifies.
4. the Online Video Network Course on Demand system according to claim 1 based on java, it is characterised in that: the video screen module
It include three kinds of window transform modes in block, mode 1 is window style when not setting window scheme, convenient for the random point of user
The video that the last time broadcast, and record user plays, and collection is provided and downloads the video；Mode 2 is finely learned for student
Known knowing preparation, student can record important, not understanding, fuzzy knowledge point at any time, use when in case reviewing later；Mould
Formula 3 is primarily used for student in later period review and consolidation knowledge, clicks and reviews when can play the newly-built notes rapidly
Broadcast point, quick review knowledge point.
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