CN102546781A - Course resource playing method and course resource playing system - Google Patents
Course resource playing method and course resource playing system Download PDFInfo
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- CN102546781A CN102546781A CN2011104481384A CN201110448138A CN102546781A CN 102546781 A CN102546781 A CN 102546781A CN 2011104481384 A CN2011104481384 A CN 2011104481384A CN 201110448138 A CN201110448138 A CN 201110448138A CN 102546781 A CN102546781 A CN 102546781A
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Abstract
The invention relates to a course resource playing method and a course resource playing system. The playing method comprises the steps of: receiving a course resource playing request by a server, wherein the playing request carries an identification of the course resource to be played and a course identification; analyzing the course resource identification and the course identification carried in the playing request by the server so as to obtain request codes of the course resource; downloading the course resource to cache locally by the server according to the request codes; taking out the downloaded course resource in the local cache and then sending to a player by the server; and playing the received course resource by the player. According to the course resource playing method, the playing resource is downloaded by a client, and the downloaded course resource is played by a local player without a playing plugin, thereby preventing the defects caused by using the playing plugin.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to a kind of course resources player method and course resources Play System.
Background technology
Along with the development of information technology, e-learning (E-Learning) comes into vogue as a kind of new mode of learning gradually.E-learning be unable to do without the brand-new Network Study Environment that is made up of multimedia learning resource, online learning community and network technology platform.In Network Study Environment, compiled course resources such as mass data, archives material, program, teaching software, courseware, formed a resources bank that high integrity is integrated.
In traditional E-Learning process, course resources leaves in the server with the form of webpage, and the visit course resources need realize through the browser that player plug-in has been installed.The user passes through the browser access study website, waits through browsing page or broadcast Online Video and learns.
In existing e-learning process, the learning process height relies on player plug-in since with browser as the host; Start from security consideration, page script is limited in the authority of this machine, can only visit a small amount of limited catalogue; Read-write is inconvenient, causes the local cache can't Autonomous Control.
In addition, because the medium type that browser itself is supported is few, need the user that numerous third party's player plug-in is installed in addition, a large amount of plug-in units itself and version problem are by the burden increasing of browser, and the speed of service is slack-off, and the user uses inconvenience.
Summary of the invention
Main purpose of the present invention is to provide a kind of course resources player method and Play System, when playing course resources, does not rely on player plug-in.
In order to achieve the above object, the present invention proposes a kind of course resources player method, comprising:
Service end receives the course resources playing request, carries the sign and the course sign of the course resources that needs broadcast in the said playing request;
Said service end is resolved the sign and the course sign of the course resources of carrying in the said playing request, obtains the request coding of said course resources;
Said service end downloads to this locality according to the described request coding with said course resources and carries out buffer memory;
Said service end is taken out the course resources of downloading completion and is sent the course resources that said player plays receives to player from local cache.
Preferably, said service end downloads to this locality according to request coding with course resources and carries out buffer memory and comprise: said service end is directly downloaded course resources and/or the point-to-point download course resources of other service end in network according to said playing request coding to the course resources server; Carry out buffer memory in this locality with downloading the course resources of accomplishing.
Preferably, said service end is sent the course resources that said download is accomplished through http protocol to said player.
Preferably, carry course resources inlet file in the said playing request; The course resources that said player plays receives comprises: resolve the inlet file of downloading the course resources of accomplishing, present course resources with tree-like mode.
Preferably, said player sends the message of carrying the study situation according to user's learning manipulation through JavaScript course learning server.
Preferably, the course resources playing request of said service end reception comes from said player or webpage.
The embodiment of the invention also provides a kind of Play System of course resources, comprises the course resources server of storing course resources, also comprises service end and player;
Said service end comprises:
The request receiving element is used to receive the course resources playing request, carries the sign and the course sign of the course resources that needs broadcast in the said playing request;
The request analysis unit, the sign of the course resources that is used for said playing request is carried and course sign are resolved, and obtain the request coding of said course resources;
The course download unit is used for according to the described request coding said course resources being downloaded to this locality and carries out buffer memory;
The course transmitting element is used for taking out the course resources of downloading completion from local cache and sends to player;
Said player comprises broadcast unit, is used to play the course resources that receives.
Preferably, the course download unit in the said service end comprises:
Download module is used for directly downloading course resources and/or to the point-to-point download course resources of other service end of network according to said playing request coding to the course resources server;
Cache module is used for carrying out buffer memory in this locality with downloading the course resources of accomplishing.
Preferably, said Play System also comprises learning server;
Said player comprises:
Feedback unit is used for sending the message of carrying the user learning situation through JavaScript course learning server according to user's learning manipulation.
Preferably, the course resources playing request of the request receiving element of said service end reception comes from said player or webpage
In the course resources player method that the present invention proposes, service end receives the course resources playing request, according to this playing request the course resources of user's needs is downloaded to local cache, and player is play according to the course resources that receives.Play with respect to the webpage based on player plug-in in the prior art; The embodiment of the invention is by the client downloads playing resource; And, do not need player plug-in can play course resources, thereby avoided the defective of using player plug-in to bring by the course resources that local player plays is downloaded.
In addition, the embodiment of the invention becomes client application from traditional web applied transformation, and this has brought more ease for use and enhancement function to the user, fluency no matter from playing, and image quality, the medium diversity of support all has significant progress.
Description of drawings
Fig. 1 is the flow chart of the course resources player method that provides of the embodiment of the invention one.
Fig. 2 is the flow chart of the course resources player method that provides of the embodiment of the invention two.
Fig. 3 is the application scenarios figure of the course resources player method that provides of the embodiment of the invention three.
Fig. 4 is the structural representation of the course resources Play System that provides of the embodiment of the invention four.
Fig. 5 is the structural representation of the course resources Play System that provides of the embodiment of the invention five.
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to figure 1, Fig. 1 is the flow chart of the course resources player method that provides of the embodiment of the invention one.
In the present embodiment, the course resources player method specifically comprises:
Step S101, service end receive the course resources playing request, carry the sign and the course sign of the course resources that needs broadcast in the said playing request.
In the present embodiment; The user is when visiting the course resources website or passing through player learned lesson resource; Will send the course resources playing request; Service end receives the course resources playing request from webpage or player, carries the sign and the course sign of the course resources that needs broadcast in this playing request.
Wherein, service end can be for operating in the service on the computer, and the sign of course resources is used for the unique identification course resources, for example resource such as courseware, audio frequency and video.The course sign is used for the concrete course of the current study of unique identification user.
Step S102, service end resolve the sign and the course sign of the course resources of carrying in the said playing request, obtain the request coding of said course resources.
Concrete, service end is carried out protocol analysis to the sign of the course resources of carrying in the playing request with the sign of course resources, obtains the request coding of this course resources, and request is encoded specifically can be the nodal information of file tree.
Step S103, service end download to this locality according to the described request coding with said course resources and carry out buffer memory.
Concrete, service end is downloaded corresponding course resources according to resolving the request coding that obtains, and the course resources of downloading at local cache.
Wherein, downloading process can be by service end directly to the direct-connected download of course resources server, and other service end that can also be in network is point-to-point, and (Peer-to-Peer P2P) downloads course resources.Present embodiment increases the speed of download that point-to-point download can be accelerated course resources, can also alleviate the connection load of course resources server.
Step S104, service end are taken out the course resources of downloading completion and are sent the course resources that said player plays receives to player from local cache.
Concrete; Service end is taken out the player of course resources (for example document flow) to this locality of downloading completion and is sent from local cache; Player receives the course resources that service end is sent, and plays the course resources that receives, and the user can use the course resources of request through player.
Wherein, service end can be used HTTP (Hyper Text Transfer Protocol HTTP) sends document flow to player.It is pointed out that service end can also use other agreement to send document flow to player.
In the course resources player method that the present invention proposes, service end receives the course resources playing request, according to this playing request the course resources of user's needs is downloaded to local cache, and player is play according to the course resources that receives.Play with respect to the webpage based on player plug-in in the prior art; The embodiment of the invention is by the client downloads playing resource; And the course resources of downloading by local player plays; Do not need player plug-in can play course resources, thereby avoided the defective of using player plug-in to bring, can not influence the performance of browser.
In addition, the embodiment of the invention becomes client application from traditional web applied transformation, through improving the function of client player; Can more ease for use and enhancement function have been brought to the user; Fluency no matter from playing, image quality, the medium diversity of support all has significant progress.
Referring to Fig. 2, Fig. 2 is the flow chart of the course resources player method that provides of the embodiment of the invention two.
The course resources player method that present embodiment two provides specifically comprises:
Step S201, service end receive the course resources playing request, carry sign, course sign and the course resources inlet file of the course resources that needs broadcast in the said playing request.
In the present embodiment; The user is when visiting the course resources website or passing through player learned lesson resource; Will send the course resources playing request; Service end receives the course resources playing request from webpage or player, carries sign, course sign and the course resources inlet file of the course resources that needs broadcast in this playing request.
Wherein, service end can be for operating in the service on the computer, and the sign of course resources is used for the unique identification course resources, for example resource such as courseware, audio frequency and video.The course sign is used for the concrete course of the current study of unique identification user.The type of course resources inlet file can be extensible markup language (eXtensive Makeup Language, XML) file.
Step S202, service end resolve the sign and the course sign of the course resources of carrying in the said playing request, obtain the request coding of said course resources.
Step S203, service end download to this locality according to the described request coding with said course resources and carry out buffer memory.
In the present embodiment, the implementation of step S203-S203 is identical with step S102-103 in the foregoing description one, no longer is repeated in this description at this.
Step S204, service end are taken out the course resources of downloading completion and are sent to player from local cache, player is resolved the inlet file of downloading the course resources of accomplishing, presents course resources with tree-like mode.
In the present embodiment; Service end is downloaded the course resources of accomplishing from sending to player through http protocol; Player is resolved the inlet file (XML file) of downloading the course resources of accomplishing, according to this document courseware is organized, and is presented in the playlist of player with tree-like mode.The user selects corresponding courseware content to play according to this playlist.
In the course resources player method that present embodiment provides; The playing resource of user's request can be sharable content object reference model (Sharable Content Object Reference Model; SCROM) courseware, service end sends to local player with the SCROM courseware of downloading through http protocol, and player is resolved the inlet file (XML file) of downloading the SCROM courseware of accomplishing; According to this XML file courseware is organized; And be presented in the playlist of player with tree-like mode, thereby realized the broadcast of SCROM course resources, improved the compatibility that course is play.
For understanding the course resources player method that the embodiment of the invention provides in more detail, provide the concrete application scenarios of the embodiment of the invention below.
Referring to Fig. 3, Fig. 3 is the application scenarios figure of the course resources player method that provides of the embodiment of the invention three.
Should use in the scene, mutual equipment comprises service end, player, course resources server and learning server.Need to prove that the function of course resources server and learning server also can be realized by the server of same entity.
In the present embodiment, local service end can be waken up (in the time of study, the user lands from webpage earlier, clicks study then) by the ACTIVE plug-in unit of browser, gets into operating state.
The course resources player method that present embodiment three provides mainly comprises:
Step S301, service end receive the broadcast courseware request that webpage sends, and this solicited message is following:
HTTP：//127.0.0.1：10000／COURSEPLAY.NEWV?USERUID＝11A175B3－4A8A－4679－92F1－F22C6106CA17＆COURSEUID＝33BBEC8556E03F85B27D90C18A2C38256B82E1D1＆LESSONUID＝E43472B7－63DD－4B6B－950B－FE3C3FF59BA6＆TRAINUID＝539527BF－41BD－40F1－A05D－592826D1670A＆ENTRANCE＝＆FROM＝WEB＆PARAM＝＆ORGANID＝69000000000
Wherein, USERUID: ID, be mainly used in the different user of sign, report learning records.
COURSEUID: courseware ID is the unique identifier of courseware, and is relevant with courseware content.
LESSONUID: course ID, engage with learning platform, report learning records.
ENTRANCE: the courseware inlet has inlet XML file like the SCORM courseware.
FROM: the main request of distinguishing from webpage still is from the request of player.
ORGANID: the ID of mechanism, courseware are that which supplier mechanism provides.
Need to prove that this player also possibly send request, then the value of the FROM field of request this moment just is: PLAYER.At this moment, when the user write down in play history, when needing this resource, player can send request.Under a kind of in addition situation, in order to accomplish learning procedure, when needing other relevant resource, player can send request to player a courseware inside.The request of player possibly be a courseware, a file, a bulk even can be a fritter.
Step 302, service end are resolved the agreement in the playing request, orient the nodal information of file tree.
In the present embodiment, service end is specifically resolved the sign and the course sign of courseware, the nodal information of the file tree of the courseware of acquisition user request.
Step S303, service end mix with P2P mode and server according to the nodal information of this document tree and download and at local cache.
In the present embodiment, service end can be downloaded with the mode of P2P to other service ends according to the nodal information of file tree, downloads to server simultaneously, after obtaining data, inserts local cache.
Step S304, take out document flow in the local cache and send to player with the http agreement.
The document flow that step S305, player plays receive.
In the present embodiment, player can be play text courseware, multimedia courseware, common courseware, SCROM courseware, AICC courseware.
Because great majority are to exist with form web page based on the courseware of SCORM standard at present; Play the courseware of form web page for compatibility; Present embodiment is provided with a webpage (WEB) environment for it, and player is resolved SCROM courseware inlet file when the SCROM courseware is play; Just can the SCORM courseware be organized according to this inlet file, and be presented on the playlist of player with tree-like mode.Player navigates to the study point according to historical learning records, continues study.
Step S306, player sends the message of carrying the study situation according to user's learning manipulation through JavaScript course learning server.
In the present embodiment; The user carries out learning manipulation on player, when accomplishing such as actions such as switching the page, promptly submit the study situation to learning server; Its principle is: player has added one deck JAVASCRIPT layer on play content; The JAVASCRIPT layer be responsible for realizing SCORM courseware or the aircraft industry CBT committee (Aviation Industry CBT Committee, AICC) interface of courseware agreement and realization are to reach the interactive communication purpose with courseware; To learning server report study situation, it reports content mainly to comprise study duration, the information relevant with learning process such as study schedule, learn position to player again.
In the course resources player method that the embodiment of the invention provides; Course resources server and player are not direct-connected; Will pass through a service end as switching, and service end can be fetched data not only, also can fetch data to other service end based on the P2P framework to the course resources server.
In addition, the courseware of standards such as SCORM, AICC can resolved and play to the course resources player method that provides of present embodiment.The courseware of standard such as SCORM and AICC is a part indispensable in the E-LEARNING system, and the E-LEARNING system under they and the traditional B/S framework combines closely, and the course resources player method that present embodiment provides is better compatible.
More than course resources player method that the embodiment of the invention is provided carried out detailed introduction, present embodiment also provides the Play System of the course resources corresponding with the course resources player method.
Referring to Fig. 4, Fig. 4 is the structural representation of the Play System of the course resources that provides of the embodiment of the invention four.
The course resources Play System that present embodiment provides comprises: course resources server 10, service end 20 and player 30;
Wherein, service end 20 comprises:
Request receiving element 21 is used to receive the course resources playing request, carries the sign and the course sign of the course resources that needs broadcast in the said playing request;
Request analysis unit 22, the sign of the course resources that is used for said playing request is carried and course sign are resolved, and obtain the request coding of said course resources;
Course download unit 23 is used for according to the described request coding said course resources being downloaded to this locality and carries out buffer memory;
Course transmitting element 24 is used for taking out the course resources of downloading completion from local cache and sends to player;
Said player 30 comprises broadcast unit 31, and broadcast unit 31 is used to play the course resources that receives.
The course resources Play System that present embodiment provides can use in course resources player method first embodiment of aforementioned correspondence, and details no longer repeat at this referring to the description of method embodiment.
In the course resources Play System that the embodiment of the invention provides, service end 20 receives the course resources playing request, according to this playing request the course resources of user's needs is downloaded to local cache, and player 30 is play according to the course resources that receives.Play with respect to the webpage based on player plug-in in the prior art; The embodiment of the invention is by client 20 downloading and playing resources; And, do not need player plug-in can play course resources, thereby avoided the defective of using player plug-in to bring by the course resources that player 30 broadcasts of this locality are downloaded.
In addition; The course resources Play System that the embodiment of the invention provides becomes client application from traditional web applied transformation, and this has brought more ease for use and enhancement function to the user, no matter the fluency from playing; Image quality, the medium diversity of support all has significant progress.
Further, in the resource playing system that present embodiment provides, course download unit 23 specifically can comprise:
Download module is used for directly downloading course resources and/or to the point-to-point download course resources of other service end of network according to said playing request coding to the course resources server;
Cache module is used for carrying out buffer memory in this locality with downloading the course resources of accomplishing.
In the present embodiment, download module can be directly to the direct-connected download of course resources server, and other service end that can also be in network is point-to-point, and (Peer-to-Peer P2P) downloads course resources.Increase point-to-point download and can accelerate the speed of download of course resources, can also alleviate the connection load of course resources server.
Referring to Fig. 5, Fig. 5 is the structural representation of the course resources Play System that provides of the embodiment of the invention five.
In present embodiment five, the course resources Play System mainly comprises: course resources server 10, service end 20, player 30 and learning server 40;
Wherein, service end 20 comprises: request receiving element 21, request analysis unit 22, course download unit 23, course transmitting element 24.The structure of the service end 20 in the concrete structure of course resources server 10, service end 20 and the foregoing description four is identical, no longer is repeated in this description at this.
Player 30 comprises broadcast unit 31 and feedback unit 32,
40 of learning servers receive message of carrying the user learning situation and the preservation that feedback unit 32 sends, and the mnemonic learning situation makes things convenient for the follow-up continuation study of user.
Need to prove that the function of course resources server and learning server also can be realized by the server of same entity.
The course resources Play System that present embodiment provides can use in second and third embodiment of course resources player method of aforementioned correspondence, and details no longer repeat at this referring to the description of method embodiment.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a course resources player method is characterized in that, comprising:
Service end receives the course resources playing request, carries the sign and the course sign of the course resources that needs broadcast in the said playing request;
Said service end is resolved the sign and the course sign of the course resources of carrying in the said playing request, obtains the request coding of said course resources;
Said service end downloads to this locality according to the described request coding with said course resources and carries out buffer memory;
Said service end is taken out the course resources of downloading completion and is sent the course resources that said player plays receives to player from local cache.
2. course resources player method according to claim 1 is characterized in that, said service end downloads to this locality according to request coding with course resources and carries out buffer memory and comprise:
Said service end is directly downloaded said course resources and/or the said course resources of the point-to-point download of other service end in network according to said playing request coding to the course resources server;
Carry out buffer memory in this locality with downloading the course resources of accomplishing.
3. course resources player method according to claim 2 is characterized in that, said service end is sent the course resources that said download is accomplished through http protocol to said player.
4. course resources player method according to claim 1 is characterized in that, also carries course resources inlet file in the said playing request;
The course resources that said player plays receives comprises:
Resolve the inlet file of downloading the course resources of accomplishing, present course resources with tree-like mode.
5. course resources player method according to claim 4 is characterized in that, also comprises:
Said player sends the message of carrying the study situation according to user's learning manipulation through JavaScript course learning server.
6. according to each described course resources player method among the claim 1-5, it is characterized in that the course resources playing request that said service end receives comes from said player or webpage.
7. the Play System of a course resources comprises the course resources server of storing course resources, it is characterized in that, also comprises service end and player;
Said service end comprises:
The request receiving element is used to receive the course resources playing request, carries the sign and the course sign of the course resources that needs broadcast in the said playing request;
The request analysis unit, the sign of the course resources that is used for said playing request is carried and course sign are resolved, and obtain the request coding of said course resources;
The course download unit is used for according to the described request coding said course resources being downloaded to this locality and carries out buffer memory;
The course transmitting element is used for taking out the course resources of downloading completion from local cache and sends to player;
Said player comprises broadcast unit, is used to play the course resources that receives.
8. Play System according to claim 7 is characterized in that, the course download unit in the said service end comprises:
Download module is used for directly downloading said course resources and/or to the said course resources of the point-to-point download of other service end of network according to said playing request coding to the course resources server;
Cache module is used for carrying out buffer memory in this locality with downloading the course resources of accomplishing.
9. Play System according to claim 7 is characterized in that said Play System also comprises learning server;
Said player comprises:
Feedback unit is used for sending the message of carrying the user learning situation through JavaScript course learning server according to user's learning manipulation.
10. according to each described Play System of claim 7 to 9, it is characterized in that,
The course resources playing request that the request receiving element of said service end receives comes from said player or webpage.
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| CN103825943A (en) * | 2014-02-25 | 2014-05-28 | 国家电网公司 | SCORM standard courseware playing system based on P2P and implementation method thereof |
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| CN105451041A (en) * | 2014-12-29 | 2016-03-30 | 上海君衡信息科技有限公司 | Wireless cross-platform file distribution and synchronous browsing system and method |
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| CN111046347A (en) * | 2019-12-12 | 2020-04-21 | 北京思维造物信息科技股份有限公司 | Method, device and equipment for processing page display request |
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| CN115509671A (en) * | 2022-11-21 | 2022-12-23 | 北京世纪好未来教育科技有限公司 | Interactive courseware playing method, device, equipment and storage medium |
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| CN109686132A (en) * | 2019-01-21 | 2019-04-26 | 焦作大学 | A kind of information technology teaching system based on big data |
| CN111046347A (en) * | 2019-12-12 | 2020-04-21 | 北京思维造物信息科技股份有限公司 | Method, device and equipment for processing page display request |
| CN113347470A (en) * | 2021-05-11 | 2021-09-03 | 邱德彦 | Sound equipment and lamp manufacturing course resource playing method and system |
| CN115509671A (en) * | 2022-11-21 | 2022-12-23 | 北京世纪好未来教育科技有限公司 | Interactive courseware playing method, device, equipment and storage medium |
| CN115509671B (en) * | 2022-11-21 | 2023-12-05 | 北京世纪好未来教育科技有限公司 | Interactive courseware playing method, device, equipment and storage medium |
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