CN102387136A - System and method for converting distributed PPT (Power Point) files into swf (small web format) files - Google Patents
System and method for converting distributed PPT (Power Point) files into swf (small web format) files Download PDFInfo
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- CN102387136A CN102387136A CN2011103050155A CN201110305015A CN102387136A CN 102387136 A CN102387136 A CN 102387136A CN 2011103050155 A CN2011103050155 A CN 2011103050155A CN 201110305015 A CN201110305015 A CN 201110305015A CN 102387136 A CN102387136 A CN 102387136A
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Abstract
The invention provides a system for converting distributed PPT (Power Point) files into swf (small web format) files, which comprises clients, master servers and slave servers, wherein the clients are used for transmitting PPT files (to be converted into swf files) to the master servers to request for conversion; each master server is used for receiving a request of a corresponding client, dividing a PPT file into a plurality of single pages of PPT files, controlling the slave servers to carry out conversion, and outputting the obtained conversion results to the client; and each slave server is used for receiving the conversion notice of a corresponding master server, and converting a single page of PPT file into an swf file. The invention also discloses a method for converting PPT files into swf files. By using the system and method for converting PPT files into swf files disclosed by the invention, the problem that in the prior art, the conversion efficiency is difficult to be expanded is solved, and the slave servers are easy to be added for promoting the conversion performance, therefore, the horizontal scalability is good.
Description
Technical field
The present invention relates to computer realm, particularly relate to a kind of system and method that the ppt/pptx file conversion is become Flash (swf) file.
Background technology
At present, the ppt/pptx file of the PowerPoint of MS is widely used in teaching field; But in Internet online teaching field, require the teaching document in different types of browser, plays, mutual, employing ppt/pptx file format can't be accomplished.
FLASH is a kind of plug-in part technology of browsing, and has encapsulated the difference of browser, and the swf file is based on the file of flash technology, so can in different browsers, play, mutual, is suitable as very much the impart knowledge to students file format of document of Internet.
So the ppt/pptx file conversion that needs to be widely used in teaching field at present becomes the swf file, so that can be applied to Internet online teaching field.
At present, in ppt/pptx file conversion swf file process, computer will be carried out a large amount of calculating, and existing ppt/pptx conversion swf software all is being mode under the single cpu mode, the conversion speed single computer operational efficiency that places one's entire reliance upon; When performance can not meet the demands, conversion performance be improved and more high performance computer can only be changed, with regard to the amount of calculation that ppt/pptx converts the swf file to, it is limited to promote the conversion efficiency space through the single computer hardware performance, and autgmentability is poor.
So, need to propose a kind of new technology, to overcome the problem that conversion efficiency of the prior art is difficult to expand with ppt/pptx file conversion swf file.
Summary of the invention
The object of the present invention is to provide a kind of distributed PPT to convert the system and method for swf to, can overcome the problem that conversion efficiency of the prior art is difficult to expand, be easy to increase dependent server and promote conversion performance, horizontal extension property is good.
In order to solve above technical problem, the present invention provides a kind of distributed PPT to convert the system of swf to, comprising: client computer, and main control server, dependent server,
Said client computer is used for transmitting the ppt file that is converted into swf to main control server, the request conversion;
Said main control server is used to receive the respective client request, and the ppt file division is become a plurality of single page ppt files, and the control dependent server is changed, and the result after will converting exports to client computer;
Said dependent server receives corresponding main control server conversion notice, and is the swf file operation with single page ppt file conversion.
Further, said dependent server is by single, and perhaps a plurality of dependent servers are formed, and unification is carried out the swf conversion by said main control server control distribution single page ppt file.
In order to solve above technical problem, the present invention also provides a kind of distributed PPT to convert the swf method to, comprising:
Client computer is through sending conversion request to main control server;
Main control server becomes a plurality of single page ppt files with the ppt file division after receiving request, and sends the conversion notice to dependent server;
Dependent server is the swf file operation with single page ppt file conversion respectively, and sends the good swf file of conversion to the main control server preservation;
Main control server is merged into single swf file with the swf file of all conversions, sends client computer to.
Further, said dependent server is the swf file operation with single page ppt file conversion respectively, and sends the good swf file of conversion to the main control server preservation, specifically comprises:
Dependent server sends conversion ppt file request to main control server;
Main control server judges that whether all single page ppt files all convert, if do not have, get into next step, otherwise main control server are merged into the swf file of all conversions the operation of single swf file;
Main control server sends single page ppt file to dependent server;
Dependent server receives single page ppt file, is the swf file with single page ppt file conversion, and the swf file that converts is returned to the main control server preservation.
Further, said dependent server is by single, and perhaps a plurality of dependent servers are formed, and unification is carried out the swf conversion by said main control server control distribution single page ppt file.
Compared with prior art; The present invention provides a kind of distributed PPT to convert the system and method for swf to; Can be easy to increase dependent server and promote conversion performance, horizontal extension property is good, no longer relies on the progress of isolating the Computing ability thereby obtained conversion performance; Reach the performance boost level and can expand the also effect of easy expansion, finally saved the hardware cost expenditure.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the system of a kind of distributed ppt conversion swf provided by the invention;
Fig. 2 is the flow chart of the method for a kind of distributed ppt conversion swf provided by the invention;
Fig. 3 is the collaborative with distributed ppt conversion swf working timing figure of a kind of distributed conversion client computer provided by the invention, main control server, many dependent servers.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear,, the present invention is further elaborated below in conjunction with accompanying drawing and 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.
The present invention provides a kind of distributed PowerPoint (ppt/pptx; Below be referred to as ppt) conversion Flash (swf) method; Comprise: after the main control server subscribing client ppt conversion swf request; Original ppt document is cut apart, be output into single page ppt file to every page of lantern slide of former ppt, notify dependent server conversion then; Dependent server receives after the main control server conversion notice, to main control server request single page ppt file and convert the swf file to, converts the back and passes to main control server to swf; After waiting all single pages all to convert, main control server merges all swf files exports to requesting clients.
As shown in Figure 1, the present invention provides the system of a kind of distributed ppt conversion swf, and this system comprises: client computer 10, and main control server 20, dependent server 30,
Dependent server 30 receives corresponding main control server 20 conversion notices, and is the swf file operation with single page ppt file conversion.Wherein, dependent server 30 can be one, also can be many.
As shown in Figure 2, the present invention provides a kind of distributed ppt to convert the method for swf to, comprising:
Step 1, client computer are sent conversion request through RMI (Remote Method Invocation, RMI) to main control server;
After step 2, main control server receive request, call PowerPoint VBA com interface and become a plurality of single page ppt files to the ppt file division;
Step 3, main control server send the conversion notice through RMI to dependent server;
Step 4, dependent server send conversion ppt file request to main control server;
Step 5, main control server judge whether all single page ppt files all convert, if all convert, get into step 9, otherwise get into step 6;
Step 6, main control server send single page ppt file to dependent server;
Step 7, dependent server receive single page ppt file, be the swf file with single page ppt file conversion, and the swf file that converts is returned to main control server;
Step 8, main control server monitor the swf file that dependent server sends over, and preserve this swf file in the main control server particular file folder, this single page ppt are set simultaneously for converting; Return step 4;
Step 9, main control server are merged into single swf file with the swf file of storage, and send client computer being merged into the swf file to through RMI.
Fig. 3 is the collaborative with distributed ppt conversion swf working timing figure of a kind of distributed conversion client computer provided by the invention, main control server, many dependent servers; Wherein, Dependent server has two, is respectively dependent server 1 and dependent server 2, and this method comprises:
Step 1, client computer are sent conversion request through RMI to main control server;
After step 2, main control server receive request, call PowerPoint VBA com interface and become a plurality of single page ppt files to the ppt file division;
Step 3, main control server send the conversion notice to all dependent servers respectively through RMI;
Step 4, each dependent server send conversion ppt file request to main control server;
Step 5, main control server judge whether all single page ppt files all convert, if all convert, get into step 9, otherwise get into step 6;
Step 6, main control server send single page ppt file to the dependent server of the request of sending respectively;
Step 7, the dependent server that receives single page ppt file are the swf file with single page ppt file conversion, and the swf file that converts are returned to main control server;
Step 8, main control server receive the swf file that dependent server sends over, and preserve this swf file in the main control server particular file folder, this single page ppt are set simultaneously for converting; Return step 4;
Step 9, main control server are merged into single swf file with the swf file of storage, and send client computer being merged into the swf file to through RMI.
Above-mentioned explanation illustrates and has described a preferred embodiment of the present invention; But as previously mentioned; Be to be understood that the present invention is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in invention contemplated scope described herein, change through the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection range of accompanying claims of the present invention.
Claims (5)
1. a distributed PPT converts the system of swf to, it is characterized in that, comprising: client computer, and main control server, dependent server,
Said client computer is used for transmitting the ppt file that is converted into swf to main control server, the request conversion;
Said main control server is used to receive the respective client request, and the ppt file division is become a plurality of single page ppt files, and the control dependent server is changed, and the result after will converting exports to client computer;
Said dependent server receives corresponding main control server conversion notice, and is the swf file operation with single page ppt file conversion.
2. the method for claim 1 is characterized in that, said dependent server is by single, and perhaps a plurality of dependent servers are formed, and unification is carried out the swf conversion by said main control server control distribution single page ppt file.
3. a distributed PPT converts the swf method to, it is characterized in that, comprising:
Client computer is through sending conversion request to main control server;
Main control server becomes a plurality of single page ppt files with the ppt file division after receiving request, and sends the conversion notice to dependent server;
Dependent server is the swf file operation with single page ppt file conversion respectively, and sends the good swf file of conversion to the main control server preservation;
Main control server is merged into single swf file with the swf file of all conversions, sends client computer to.
4. method as claimed in claim 3 is characterized in that, said dependent server is the swf file operation with single page ppt file conversion respectively, and sends the good swf file of conversion to the main control server preservation, specifically comprises:
Dependent server sends conversion ppt file request to main control server;
Main control server judges that whether all single page ppt files all convert, if do not have, get into next step, otherwise main control server are merged into the swf file of all conversions the operation of single swf file;
Main control server sends single page ppt file to dependent server;
Dependent server receives single page ppt file, is the swf file with single page ppt file conversion, and the swf file that converts is returned to the main control server preservation.
5. like claim 3 or 4 described methods, it is characterized in that said dependent server is by single, perhaps a plurality of dependent servers are formed, and unification is carried out the swf conversion by said main control server control distribution single page ppt file.
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| CN2011103050155A CN102387136A (en) | 2011-10-10 | 2011-10-10 | System and method for converting distributed PPT (Power Point) files into swf (small web format) files |
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| CN2011103050155A CN102387136A (en) | 2011-10-10 | 2011-10-10 | System and method for converting distributed PPT (Power Point) files into swf (small web format) files |
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Cited By (5)
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| CN105224510A (en) * | 2015-09-21 | 2016-01-06 | 杭州施强网络科技有限公司 | A kind of conversion method of document format file |
| CN105354254A (en) * | 2015-10-21 | 2016-02-24 | 杭州施强网络科技有限公司 | Method for converting document file format by using node server |
| CN106446610A (en) * | 2016-08-31 | 2017-02-22 | 福建天泉教育科技有限公司 | Method and system for analyzing swf file embedded into PPT |
| CN110297917A (en) * | 2019-06-28 | 2019-10-01 | 腾讯科技（深圳）有限公司 | Live broadcasting method, device, electronic equipment and storage medium |
| CN111052683A (en) * | 2018-03-15 | 2020-04-21 | 欧姆龙株式会社 | Network system |
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Application publication date: 20120321 |