CN104268211A - Online engineering document to PDF document conversion method - Google Patents
Online engineering document to PDF document conversion method Download PDFInfo
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- CN104268211A CN104268211A CN201410491911.9A CN201410491911A CN104268211A CN 104268211 A CN104268211 A CN 104268211A CN 201410491911 A CN201410491911 A CN 201410491911A CN 104268211 A CN104268211 A CN 104268211A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/178—Techniques for file synchronisation in file systems
- G06F16/1794—Details of file format conversion
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Abstract
The invention discloses an online engineering document to PDF document conversion method. The online engineering document to PDF document conversion method comprises the following steps: a client uploads an engineering document to be converted to a Web server through the internet and requests the Web server to convert the document; the Web server receives the engineering document and temporarily stores the document in a data base, and meanwhile, receives and analyzes the conversion request of the client, the conversion interface of the engineering document calls a PDF virtual printer to convert the engineering document into a PDF document, temporarily stores the PDF document into the database and then sends the PDF document back to the client through the Internet, a customer downloads the PDF document locally and reads the document, and finally, the Web server releases the storage space in the database after the client downloads the PDF document. The online engineering document to PDF document conversion method enables the WEB server to directly obtain the engineering document converted into the PDF format through the WEB server without installing extract professional engineering document reading software, and therefore, the time of reading the engineering document by the customer is saved and the working efficiency of the customer is remarkably improved.
Description
Technical field
The present invention relates to a kind of text handling method, particularly a kind of engineering document is to the on-line conversion method of PDF document.
Background technology
In the epoch of this network information, the circulation way of traditional Word message is more diversified, the electronic graph-text modern computing machine is waited until from paper book, newspaper, the design drawing having derived the design of the professional software such as AutoCAD and Protel substitutes Freehandhand-drawing design drawing in the past, and has become the major way that current design drawing makes.And the exchange being carried out AutoCAD with Protel data on computers by Internet with share the development advancing its industry greatly.
But when reading these documents, needing specific AutoCAD and Protel professional software or reader, for professional, computing machine being all provided with professional software, being easy to carry out engineering document reading; But for other laymans, need to install professional software can make troubles to user to read engineering document, and this is unpractical, so concerning layman, read engineering document can be very difficult.The appearance of PDF technology then solves this difficult problem, present PDF reader software one of Kinds of Essential Software becoming computer desktop, thus convert engineering document to PDF document, such client just can carry out engineering document reading with local PDF reader easily.
Summary of the invention
The object of the present invention is to provide a kind of engineering document to the on-line conversion method of PDF document, solve in prior art because client is install corresponding software to cause client cannot read the technical matters of engineering document.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: engineering document, to the on-line conversion method of PDF document, is characterized in that, comprises the following steps:
(1) client by Internet by engineering document to be converted from uploading to Web server locally through webpage and asking Web server convert documents;
(2) it to be kept in database by network reception engineering document by Web server in order, simultaneously Web server receives and resolves the convert requests of client, Web server start to read engineering document in order from database and call the translation interface of engineering document;
(3) translation interface of engineering document calls PDF virtual printer and engineering document is converted to PDF document;
(4) PDF document converted is kept in database by Web server, client is sent it back afterwards by Internet, client downloads to this locality and carries out PDF document reading, and Web server discharges the storage space in database after client downloads PDF document.
Described database initialize has document data table, the temporary information having document store path and document subject feature vector state in document data table, WEB server reads the PDF document after engineering document or conversion according to document store path, and client understands engineering document conversion progress by document subject feature vector state.
Web server is by parameter configuration and DataBase combining, after parameter configuration completes, WEB server reads engineering document information to be converted automatically from engineering document tables of data, create the timing process to carrying out timing switching time: if timing time arrives simultaneously, engineering document converts not yet, then stop conversion, and again read engineering document by WEB server.
First described Web server judges read engineering document from database after whether the size of engineering document exceeds default convert documents threshold value, if engineering document size is not more than convert documents threshold value, then creates timing process, starts to carry out engineering document conversion; Otherwise, automatically jump to next engineering document.
Described engineering document to be converted comprises the document generated by AutoCAD and Protel software creation.
Compared with prior art, the beneficial effect that the present invention reaches is: provide the on-line conversion method of a kind of engineering document to PDF document, client directly obtains the engineering document being converted to PDF by WEB server, without the need to other installation work document Reading for academic studies software, save the time that client reads engineering document, significantly improve the work efficiency of client; Create database, and create tables of data in a database, automatically can read engineering document to be converted from tables of data, engineering document Batch conversion can be realized, avoid, in engineering document transfer process, loss of data occurs; Be provided with timing process, when document subject feature vector occurs that mistake causes time-out, automatically terminate conversion, and again read engineering document, avoid waiting as long for, improve engineering document conversion efficiency.
Accompanying drawing explanation
Fig. 1 is principle of work block diagram of the present invention.
Fig. 2 is the process flow diagram that engineering document arrives the on-line conversion method of PDF document.
Fig. 3 is process flow diagram Protel document being carried out to PDF conversion based on Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, it is principle of work block diagram of the present invention, comprise client, WEB server and be installed on the PDF virtual printer of client, client carries out bidirectional data transfers by Internet and WEB server, WEB server is by parameter configuration, and carry out the storage of the reading of engineering document and the PDF document after changing between database, arrange translation interface between WEB server and PDF virtual printer, client calls PDF virtual printer by translation interface through WEB server.
As shown in Figure 2, be the process flow diagram that engineering document arrives the on-line conversion method of PDF document, comprise the following steps:
(1) client by Internet by engineering document to be converted from uploading to Web server locally through webpage and asking Web server convert documents.
(2) it is kept in database by network reception engineering document by Web server in order, and Web server receives and resolves the convert requests of client simultaneously.What database was selected is ORACLE database, therefore database development environment selects is the ORACLE Database Systems that Oracle of the U.S. provides.This system is a perfect information management environment, and C/S structure or B/S architecture can be supported to carry out distributed treatment for it and Web calculates.One of its server option WebServer, can provide the power realizing the application of web data storehouse.Data cube computation both Web server and ORACLE database are realized by parameter configuration, parameter configuration mainly uses middleware CGI/API to realize, middleware is in charge of the communication between WebServer and DBServer and is provided application program service, and it directly calling external program or scripted code can visit database.After parameter configuration completes, Web server reads engineering document information to be converted automatically from engineering document tables of data, judge whether the size of engineering document exceeds default convert documents threshold value, if engineering document size is not more than convert documents threshold value, then create timing process, start to carry out engineering document conversion; Otherwise, automatically jump to next engineering document.Timing process is used for carrying out timing switching time: if timing time arrives, engineering document converts not yet, then stop conversion, and again read engineering document by WEB server; If in timing time, complete the conversion of current engineering document, then read next engineering document in order.Web server then starts the translation interface calling engineering document after reading engineering document.
(3) translation interface of engineering document calls PDF virtual printer and engineering document is converted to PDF document.
(4) PDF document converted is kept in database by Web server, client is sent it back afterwards by Internet, client downloads to this locality and carries out PDF document reading, and Web server discharges the storage space in database after client downloads PDF document.
Database initialize has document data table, as shown in table 1, the temporary information having document store path and document subject feature vector state in document data table.
Table 1: document data table
| File name | File store path | File type | Transition status |
| Circuit diagram 1 | G: ORACLE WDZH circuit diagram 1.dwg | dwg | Do not change |
| Circuit diagram 2 | G: ORACLE WDZH circuit diagram 2.pdf | Change | |
| Circuit diagram 3 | G: ORACLE WDZH circuit diagram 3.sch | sch | Do not change |
| Circuit diagram 4 | G: ORACLE WDZH circuit diagram 4.pdf | Change |
WEB server reads the PDF document after engineering document or conversion according to document store path, and client understands engineering document conversion progress by document subject feature vector state.
Engineering document to be converted comprises the document generated by AutoCAD and Protel software creation.
As shown in Figure 3, be process flow diagram Protel document being carried out to PDF conversion based on Fig. 1.WEB server receives and after resolving the convert requests of client, Protel document is read from database, first judge whether Protel document exceedes default convert documents threshold value, if exceed convert documents threshold value, illustrate that Protel document is excessive, then stop this Protel document of conversion and continue to read next Protel document to be converted; Otherwise, create a timing process, start timing, start to call engineering document translation interface, translation interface calls virtual printer and Protel document subject feature vector is become PDF document, simultaneously thereupon, judge in transfer process that whether switching time is overtime, if switching time is overtime, then again change; If the time is not overtime, then the document changed is kept in database by Web server.So far, the EOC of whole engineering document, enters the conversion of next engineering document to transfer process.Until after whole engineering documents all converts, converting system terminates conversion.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (5)
1. engineering document is to the on-line conversion method of PDF document, it is characterized in that, comprises the following steps:
(1) client by Internet by engineering document to be converted from uploading to Web server locally through webpage and asking Web server convert documents;
(2) it to be kept in database by network reception engineering document by Web server in order, simultaneously Web server receives and resolves the convert requests of client, Web server start to read engineering document in order from database and call the translation interface of engineering document;
(3) translation interface of engineering document calls PDF virtual printer and engineering document is converted to PDF document;
(4) PDF document converted is kept in database by Web server, client is sent it back afterwards by Internet, client downloads to this locality and carries out PDF document reading, and Web server discharges the storage space in database after client downloads PDF document.
2. engineering document according to claim 1 is to the on-line conversion method of PDF document, it is characterized in that, described database initialize has document data table, the temporary information having document store path and document subject feature vector state in document data table, WEB server reads the PDF document after engineering document or conversion according to document store path, and client understands engineering document conversion progress by document subject feature vector state.
3. engineering document according to claim 1 is to the on-line conversion method of PDF document, it is characterized in that, Web server is by parameter configuration and DataBase combining, after parameter configuration completes, WEB server reads engineering document information to be converted automatically from engineering document tables of data, creates the timing process to carrying out timing switching time: if timing time arrives, engineering document converts not yet simultaneously, then stop conversion, and again read engineering document by WEB server.
4. engineering document according to claim 3 is to the on-line conversion method of PDF document, it is characterized in that, first described Web server judges read engineering document from database after whether the size of engineering document exceeds default convert documents threshold value, if engineering document size is not more than convert documents threshold value, then create timing process, start to carry out engineering document conversion; Otherwise, automatically jump to next engineering document.
5. engineering document according to claim 3 is to the on-line conversion method of PDF document, it is characterized in that, described engineering document to be converted comprises the document generated by AutoCAD and Protel software creation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410491911.9A CN104268211A (en) | 2014-09-23 | 2014-09-23 | Online engineering document to PDF document conversion method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410491911.9A CN104268211A (en) | 2014-09-23 | 2014-09-23 | Online engineering document to PDF document conversion method |
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| CN104268211A true CN104268211A (en) | 2015-01-07 |
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| CN201410491911.9A Pending CN104268211A (en) | 2014-09-23 | 2014-09-23 | Online engineering document to PDF document conversion method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106815180A (en) * | 2016-12-06 | 2017-06-09 | 武汉开目信息技术股份有限公司 | A kind of method for being automatically obtained Altium software conversion of drawings |
| CN109657211A (en) * | 2018-12-11 | 2019-04-19 | 万兴科技股份有限公司 | The method, apparatus and intelligent terminal of line format conversion |
| CN111651196A (en) * | 2020-06-24 | 2020-09-11 | 腾讯科技（深圳）有限公司 | Document publishing method, device and server |
| CN114912420A (en) * | 2022-05-24 | 2022-08-16 | 北京字跳网络技术有限公司 | Document processing method and device, electronic equipment and storage medium |
| CN116089362A (en) * | 2023-03-06 | 2023-05-09 | 北京微吼时代科技有限公司 | Document conversion method and system, live broadcast system, storage medium and electronic device |
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Cited By (5)
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| CN109657211A (en) * | 2018-12-11 | 2019-04-19 | 万兴科技股份有限公司 | The method, apparatus and intelligent terminal of line format conversion |
| CN111651196A (en) * | 2020-06-24 | 2020-09-11 | 腾讯科技（深圳）有限公司 | Document publishing method, device and server |
| CN114912420A (en) * | 2022-05-24 | 2022-08-16 | 北京字跳网络技术有限公司 | Document processing method and device, electronic equipment and storage medium |
| CN116089362A (en) * | 2023-03-06 | 2023-05-09 | 北京微吼时代科技有限公司 | Document conversion method and system, live broadcast system, storage medium and electronic device |
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