CN112529516A - Method, device and system for large-file online high-performance webpage electronic signature - Google Patents
Method, device and system for large-file online high-performance webpage electronic signature Download PDFInfo
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- CN112529516A CN112529516A CN202011248547.5A CN202011248547A CN112529516A CN 112529516 A CN112529516 A CN 112529516A CN 202011248547 A CN202011248547 A CN 202011248547A CN 112529516 A CN112529516 A CN 112529516A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/958—Organisation or management of web site content, e.g. publishing, maintaining pages or automatic linking
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Abstract
The invention relates to the technical field of electronic signature, in particular to a method, a device and a system for large-file online high-performance webpage electronic signature, wherein the method comprises the following steps: step S01, uploading the electronic original file by adopting a breakpoint continuous transmission mode; step S02, in the process of uploading the electronic original file, slicing the file according to pages to produce a file displayed by a webpage end; step S03, the webpage end displays the file; step S04, acquiring a webpage needing to be sealed; step S05, electronic signature is carried out on the webpage end; and step S06, electronic stamping is carried out on the original file at the back stage at one time to generate an electronic stamped file, the invention slices the large file, the small file is loaded at the front stage, and the abstract is adopted in the following real electronic signature process, so the performance is very high and stable, and the electronic stamping at any position of the webpage end is realized.
Description
Technical Field
The invention relates to the technical field of electronic signature, in particular to a method, a device and a system for large-file online high-performance webpage electronic signature.
Background
In the process of online sealing of the electronic contract, part of contract documents are very large, and exceed several hundred million or even several G, so that online sealing on a webpage is very slow.
Meanwhile, the stamping aiming at any position of the electronic file needs to be operated on the webpage, and cannot be realized at present.
Disclosure of Invention
Objects of the invention
The invention provides a method for electronically signing a large-file online high-performance webpage, which aims to solve the technical problems in the background art, and mainly solves the problems that the online webpage can be electronically signed with high performance for large files (which can exceed more than 2G) and the webpage can be electronically signed at any position aiming at the electronic files.
(II) technical scheme
In order to solve the above problems, a first aspect of the present invention provides a method for electronic signature of a large-file online high-performance webpage, where the method includes:
step S01, uploading the electronic original file by adopting a breakpoint continuous transmission mode;
step S02, in the process of uploading the electronic original file, slicing the file according to pages to produce a file displayed by a webpage end;
step S03, the webpage end displays the file;
step S04, acquiring a webpage needing to be sealed;
step S05, electronic signature is carried out on the webpage end;
and step S06, electronically stamping the original file in the background at one time to generate an electronically stamped electronic file.
Preferably, the breakpoint resuming in step S01 includes:
the server receives a large file transmission request sent by the client, pages the large file and writes the large file into a file stream, and records the length of the file stream;
the client receives the file stream sent by the server, merges the file stream into a temporary file and records the length of the temporary file;
and the server receives the length of the temporary file fed back by the client, and reads the large file by taking the length of the temporary file as an initialization length.
Preferably, in step S03, the web page displays a slice file for fast and stable electronic signature.
Preferably, in step S03, a page turning operation is further performed, and in the page turning process, different slice files are loaded by different page numbers.
Preferably, in step S05, during the electronic signature process performed by the web page, the position of the electronic signature of the web page needs to be recorded and calculated.
Preferably, the position of the webpage-side electronic signature is calculated according to the real XY coordinates of the original electronic file.
Preferably, in step S05, the web page simulates a display effect after the electronic signature is generated in the electronic signature process.
Preferably, in the step S06, the electronic seal process adopts a PDF digest algorithm to the electronic original file, extracts a PDF digest, prevents a signature picture at a corresponding position, and binds the signature picture with the digital signature.
The second aspect of the present invention provides a large-file online high-performance webpage electronic signature device, which includes:
the large file transmission module is used for sending a large file to the server by the client;
the slicing module is used for slicing the electronic original file in the process of uploading the electronic original file;
the display module is used for displaying the electronic original file after the slicing processing at a webpage end;
the algorithm module is used for determining the position of the electronic signature at the webpage end;
and the signature module is used for carrying out signature operation at the position to be stamped.
The third aspect of the present invention provides a large-file online high-performance webpage electronic signature system, which includes:
the system comprises a webpage end and a server, wherein the webpage end is connected with the server in a network environment.
The webpage side is used for uploading the large file to the server by adopting a breakpoint continuous transmission mode;
the server is used for slicing and displaying the large file uploaded by the client;
the webpage end is used for carrying out simulated signature on the displayed slice file;
and the server is used for sealing the electronic original file at one time in the background and generating the electronic file after electronic sealing.
The technical scheme of the invention has the following beneficial technical effects:
the invention slices the large file, the foreground loads the small file, and the abstract is adopted in the real electronic signature process, so the performance is very high and stable, the electronic signature of any position of the webpage end is realized, the real coordinate value corresponding to the original file can be calculated through a calculation formula, and the electronic signature of any position of the webpage is realized.
Drawings
FIG. 1 is a schematic view of the flow structure of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The invention provides a method for large-file online high-performance webpage electronic signature in a first aspect, which comprises the following steps:
step S01, uploading the electronic original file by adopting a breakpoint continuous transmission mode;
step S02, in the process of uploading the electronic original file, slicing the file according to pages to produce a file displayed by a webpage end;
step S03, the webpage end displays the file;
step S04, acquiring a webpage needing to be sealed;
step S05, electronic signature is carried out on the webpage end;
and step S06, electronically stamping the original file in the background at one time to generate an electronically stamped electronic file.
In the process of slicing by page, for example, a total of 2000 pages, 10 pages may be set as one slice, and of course, other page numbers may be set as the slice base number.
In the process of electronic signature, the invention adopts the form of web page to carry out electronic signature, so in some embodiments, the invention can also adopt the form of client to carry out electronic signature.
Preferably, the breakpoint resuming in step S01 includes:
the server receives a large file transmission request sent by the client, pages the large file and writes the large file into a file stream, and records the length of the file stream;
the client receives the file stream sent by the server, merges the file stream into a temporary file and records the length of the temporary file;
and the server receives the length of the temporary file fed back by the client, and reads the large file by taking the length of the temporary file as an initialization length.
Preferably, in step S03, the web page displays a slice file for fast and stable electronic signature.
Since the slice file is small, the speed of displaying and electronic signature is very fast and stable.
Preferably, in step S03, a page turning operation is further performed, and in the page turning process, different slice files are loaded by different page numbers.
Preferably, in step S05, during the electronic signature process performed by the web page, the position of the electronic signature of the web page needs to be recorded and calculated.
Preferably, the position of the webpage-side electronic signature is calculated according to the real XY coordinates of the original electronic file.
Preferably, in step S05, the web page simulates a display effect after the electronic signature is generated in the electronic signature process.
Preferably, in the step S06, the electronic seal process adopts a PDF digest algorithm to the electronic original file, extracts a PDF digest, prevents a signature picture at a corresponding position, and binds the signature picture with the digital signature.
In this embodiment, it can be understood that the digest is very small no matter how large the file is.
The second aspect of the present invention provides a large-file online high-performance webpage electronic signature device, which includes:
the large file transmission module is used for sending a large file to the server by the client;
the slicing module is used for slicing the electronic original file in the process of uploading the electronic original file;
the display module is used for displaying the electronic original file after the slicing processing at a webpage end;
the algorithm module is used for determining the position of the electronic signature at the webpage end;
and the signature module is used for carrying out signature operation at the position to be stamped.
The third aspect of the present invention provides a large-file online high-performance webpage electronic signature system, which includes:
the system comprises a webpage end and a server, wherein the webpage end is connected with the server in a network environment.
The webpage side is used for uploading the large file to the server by adopting a breakpoint continuous transmission mode;
the server is used for slicing and displaying the large file uploaded by the client;
the webpage end is used for carrying out simulated signature on the displayed slice file;
and the server is used for sealing the electronic original file at one time in the background and generating the electronic file after electronic sealing.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A method for large-file online high-performance webpage electronic signature is characterized by comprising the following steps:
step S01, uploading the electronic original file by adopting a breakpoint continuous transmission mode;
step S02, in the process of uploading the electronic original file, slicing the file according to pages to produce a file displayed by a webpage end;
step S03, the webpage end displays the file;
step S04, acquiring a webpage needing to be sealed;
step S05, electronic signature is carried out on the webpage end;
and step S06, electronically stamping the original file in the background at one time to generate an electronically stamped electronic file.
2. The method for electronically signing a large-file online high-performance web page according to claim 1, wherein the breakpoint resuming in step S01 includes:
the server receives a large file transmission request sent by the client, pages the large file and writes the large file into a file stream, and records the length of the file stream;
the client receives the file stream sent by the server, merges the file stream into a temporary file and records the length of the temporary file;
and the server receives the length of the temporary file fed back by the client, and reads the large file by taking the length of the temporary file as an initialization length.
3. The method as claimed in claim 1, wherein in step S03, the web page displays slice files for fast and stable electronic signature.
4. The method for electronically signing a large-format online high-performance web page of claim 1, wherein in step S03, there is a page turning operation, and different page numbers load different sliced files during the page turning operation.
5. The method as claimed in claim 1, wherein in step S05, the position of the electronic signature at the web site needs to be recorded and calculated during the electronic signature at the web site.
6. The method of claim 5, wherein the position of the electronic signature at the web site is calculated according to the true XY coordinates of the original electronic document.
7. The method for electronically signing a large document with a high performance web page according to claim 1, wherein in step S05, the web page simulates the display effect of the electronically signed large document during the electronic signature process.
8. The method according to claim 1, wherein in step S06, the electronic seal process adopts a PDF digest algorithm to extract a PDF digest, and prevents the seal picture from being bound to the digital signature at the corresponding position.
9. An online high-performance webpage electronic signature device for large files is characterized by comprising:
the large file transmission module is used for sending a large file to the server by the client;
the slicing module is used for slicing the electronic original file in the process of uploading the electronic original file;
the display module is used for displaying the electronic original file after the slicing processing at a webpage end;
the algorithm module is used for determining the position of the electronic signature at the webpage end;
and the signature module is used for carrying out signature operation at the position to be stamped.
10. An electronic signature system for large-file online high-performance webpage, the system comprising:
the system comprises a webpage end and a server, wherein the webpage end is connected with the server in a network environment.
The webpage side is used for uploading the large file to the server by adopting a breakpoint continuous transmission mode;
the server is used for slicing and displaying the large file uploaded by the client;
the webpage end is used for carrying out simulated signature on the displayed slice file;
and the server is used for sealing the electronic original file at one time in the background and generating the electronic file after electronic sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011248547.5A CN112529516A (en) | 2020-11-10 | 2020-11-10 | Method, device and system for large-file online high-performance webpage electronic signature |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011248547.5A CN112529516A (en) | 2020-11-10 | 2020-11-10 | Method, device and system for large-file online high-performance webpage electronic signature |
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| CN112529516A true CN112529516A (en) | 2021-03-19 |
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| CN202011248547.5A Pending CN112529516A (en) | 2020-11-10 | 2020-11-10 | Method, device and system for large-file online high-performance webpage electronic signature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114978555A (en) * | 2022-08-01 | 2022-08-30 | 北京惠朗时代科技有限公司 | Remote online electronic signature system based on WEB script data stream operation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114978555A (en) * | 2022-08-01 | 2022-08-30 | 北京惠朗时代科技有限公司 | Remote online electronic signature system based on WEB script data stream operation |
| CN114978555B (en) * | 2022-08-01 | 2022-10-21 | 北京惠朗时代科技有限公司 | Remote online electronic signature system based on WEB script data stream operation |
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