CN108401012A - A kind of document breakpoint transmission method - Google Patents
A kind of document breakpoint transmission method Download PDFInfo
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- CN108401012A CN108401012A CN201810094808.9A CN201810094808A CN108401012A CN 108401012 A CN108401012 A CN 108401012A CN 201810094808 A CN201810094808 A CN 201810094808A CN 108401012 A CN108401012 A CN 108401012A
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- file
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a kind of document breakpoint transmission methods, belong to information resources technical field.The document breakpoint transmission method of the present invention is based on client and obtains breakpoint information, and executes file stream based on breakpoint information and resume, and specifically includes following steps：S1, client initiate file upload request and file checking request；S2, server-side determines and save file breakpoint location；S3, client obtain document breaking point information；S4, server-side response resume the request of file stream；S5, client receive file and upload result mark.The document breakpoint transmission method of the invention can save the uplink time and Internet resources of file, and can ensure the accurate and stability that file resumes, and have good application value.
Description
Technical field
The present invention relates to information resources technical fields, specifically provide a kind of document breakpoint transmission method.
Background technology
Current Internet technology is quickly grown, and is based on B/S（Browser/Server）That is the station of client end/server end
Point exploitation and erection pattern are dispersed throughout each corner of internet world.Rely on the acquisition of information and information of browser client
The shared and exchange of publication also great convenience information resources.Important carrier of the file as information resources, based on browsing
In the internet environment of device client, server-side is often uploaded to the download of convenience file resource and is shared.However file passes
Inevitably encountered in defeated network interruption or transmission end can not normal response the case where, this just needs to transmit file again.It should for reply
Kind the occurrence of, avoid file in the transmission caused by network resources waste the case where, file transmission in support breakpoint on
The progress of disease it is particularly necessary.
Currently, there are many file upload mode, have a variety of clients such as ftp, ssh to upload in conjunction with different File Transfer Protocol
Tool.In comparison, the pattern for relying on client to carry out file upload as client is more convenient, quick.Nowadays, base
In the method that client mode is uploaded also there are many kinds of, such as using various front end transmitting assemblies to file carry out on the whole
Biography or fragment（Block）It uploads, even if some support the transmitting assembly of fragment to pay close attention to breakpoint itself, but it is file to resume granularity
Flow（Block）, and mostly not to breakpoint location persistence, the uplink time and Internet resources of file are not only wasted, it can't
Enough ensure the accurate and stability that file resumes.
Invention content
The technical assignment of the present invention be in view of the above problems, provide a kind of uplink time that can save file and
Internet resources, and can ensure accurate and stability the document breakpoint transmission method that file resumes.
To achieve the above object, the present invention provides following technical solutions：
A kind of document breakpoint transmission method, this method is based on client and obtains breakpoint information, and executes file based on breakpoint information
Stream resumes, and specifically includes following steps：
S1, client initiate file upload request and file checking request；
S2, server-side determines and save file breakpoint location；
S3, client obtain document breaking point information；
S4, server-side response resume the request of file stream；
S5, client receive file and upload result mark.
In the document breakpoint transmission method, user first confirms that client and server-side network environment are connections.
By this document breaker point continuous transmission method, on the one hand for can in time be positioned residing for document breaking point in the case of network interruption
Position is accurate to the byte granularity of file stream, has saved the network flow during file resumes, on the other hand, for what is got
Document breaking point information carries out the operation for being persisted to database, avoids breakpoint information in the expense favorite outer loss of persistence environment.No
The uplink time and Internet resources of file are only saved, and ensure that the accurate and stability that file resumes.
Preferably, when client initiates file request in S1, by client front end transmitting assembly, file is with file stream
Form is uploaded to server-side.
Preferably, including source file information, server-side response when client initiates file checking request in S1, in request
This document inspection is asked, and is encrypted to the fileinfo of acquisition, is obtained the unique mark of file.
Preferably, source file information described in S1 includes source filename claims, file size, file type and document time
Information is stabbed, the file name of acquisition, file size, file type, document time stamp are believed in server-side response file inspection request
Md5 encryptions are carried out after breath combination, obtain the unique mark of file.
Preferably, file identification of the server-side based on acquisition in S2, inquiry database judges that source file whether there is, such as
It is 0 there is no server-side file size is then returned, returns to server-side file size if existing, breakpoint is determined by file size
Position is simultaneously saved in breakpoint information in the breakpoint information table of database.
Preferably, the breakpoint information table includes file name, file identification, transmitting file size and general act are big
It is small.
Preferably, client obtains the size of transmitting file of server-side return and is compared with source file size in S3, if
Transmitting file size is equal in magnitude with source file, and file is prompted to exist, and is initiated if transmitting file size is less than source file size
Remaining file resumes request.
Preferably, server-side customer in response end resumes request in S4, the remaining file of transmitting file is added based on breakpoint
Stream, file stream resume to server-side, the whole file size having received are updated in database breakpoint information table.
The residue file stream judges according to breakpoint location, is accurate to the length of stream byte.
Preferably, server-side returns to client upload result mark, client reception result according to interaction protocol in S5
It identifies and provides result prompt.
Preferably, using browser as client in this method.
Compared with prior art, document breakpoint transmission method of the invention has advantageous effect following prominent：
（One）The document breakpoint transmission method is based on client and obtains breakpoint information, and executes file stream based on breakpoint information and continue
It passes, for document breaking point present position can be positioned in the case of network interruption in time, is accurate to the byte granularity of file stream, saves
File resume in network flow；
（Two）For the operation that the document breaking point information got carries out being persisted to database, avoid breakpoint information lasting in expense
Change the favorite outer loss of environment；
（Three）This method not only saves the uplink time and Internet resources of file, and ensure that file resumes accurate and steady
It is qualitative, there is good application value.
Description of the drawings
Fig. 1 is document breakpoint transmission method schematic diagram of the present invention；
Fig. 2 is the flow chart of document breakpoint transmission method of the present invention.
Specific implementation mode
Below in conjunction with drawings and examples, the document breakpoint transmission method of the present invention is described in further detail.
Embodiment
As depicted in figs. 1 and 2, document breakpoint transmission method of the invention obtains breakpoint information based on browser, and is based on
Breakpoint information executes file stream and resumes.Specifically include following steps：
S1, user confirm that browser and server-side network environment are connections, and browser initiates file upload request and file inspection
It makes a thorough investigation of and asks.
（1）When browser initiates file request, by browser front end transmitting assembly, file is uploaded to file manifold formula
Server-side.
（2）When browser initiates file checking request, the source file title comprising source file, file size, text in request
Part type and document time stamp information, server-side responds this document inspection request, to the file name, file size, text of acquisition
Md5 encryptions are carried out after part type, the combination of document time stamp information, obtain the unique mark of file.
S2, server-side determines and save file breakpoint location.
File identification of the server-side based on acquisition, inquiry database judge that source file whether there is, are returned as there is no if
Server-side file size is 0, and server-side file size is returned if existing, and determines breakpoint location by file size and breakpoint
In information preservation to the breakpoint information table of database.Breakpoint information table include file name, file identification, transmitting file size and
Total file size.
S3, browser obtain document breaking point information.
Browser obtain server-side return the size of transmitting file simultaneously compared with source file size, if transmitting file size with
Source file is equal in magnitude, and file is prompted to exist, and initiates remaining file and resume to ask if transmitting file size is less than source file size
It asks.
S4, server-side response resume the request of file stream.
Server-side response browser resumes request, the remaining file stream of transmitting file is added based on breakpoint, file stream resumes
To server-side, the whole file size having received is updated in database breakpoint information table.Remaining file stream is according to disconnected
Point position judgment, is accurate to the length of stream byte.
S5, browser receive file and upload result mark.
Server-side returns to browser according to interaction protocol and uploads result mark, and browser reception result identifies and provides result
Prompt.
Embodiment described above, the only present invention more preferably specific implementation mode, those skilled in the art is at this
The usual variations and alternatives carried out within the scope of inventive technique scheme should be all included within the scope of the present invention.
Claims (10)
1. a kind of document breakpoint transmission method, it is characterised in that：This method is based on client and obtains breakpoint information, and is based on breakpoint
Information executes file stream and resumes, and specifically includes following steps：
S1, client initiate file upload request and file checking request；
S2, server-side determines and save file breakpoint location；
S3, client obtain document breaking point information；
S4, server-side response resume the request of file stream；
S5, client receive file and upload result mark.
2. document breakpoint transmission method according to claim 1, it is characterised in that：Client initiates file request in S1
When, by client front end transmitting assembly, file is uploaded to server-side with file manifold formula.
3. document breakpoint transmission method according to claim 1 or 2, it is characterised in that：Client initiates file inspection in S1
It makes a thorough investigation of when asking, includes source file information in request, server-side responds this document inspection request, adds to the fileinfo of acquisition
Close processing obtains the unique mark of file.
4. document breakpoint transmission method according to claim 3, it is characterised in that：Source file information described in S1 includes source
File name, file size, file type and document time stamp information, server-side response file inspection request, to the text of acquisition
Md5 encryptions are carried out after part title, file size, file type, the combination of document time stamp information, obtain unique mark of file
Know.
5. document breakpoint transmission method according to claim 4, it is characterised in that：File of the server-side based on acquisition in S2
Mark, inquiry database judge that source file whether there is, and are 0 as returned to server-side file size there is no if, are returned if existing
Server-side file size is returned, breakpoint location is determined by file size and breakpoint information is saved in the breakpoint information table of database
In.
6. document breakpoint transmission method according to claim 5, it is characterised in that：The breakpoint information table includes filename
Title, file identification, transmitting file size and total file size.
7. document breakpoint transmission method according to claim 6, it is characterised in that：Client obtains server-side and returns in S3
The size of transmitting file and compared with source file size, prompt file to deposit if transmitting file size and source file are equal in magnitude
It is initiating remaining file if transmitting file size is less than source file size and resumes request.
8. document breakpoint transmission method according to claim 7, it is characterised in that：Server-side customer in response end resumes in S4
Request adds the remaining file stream of transmitting file based on breakpoint, and file stream is resumed to server-side, the whole text that will be had received
Part size is updated in database breakpoint information table.
9. document breakpoint transmission method according to claim 8, it is characterised in that：Server-side is returned according to interaction protocol in S5
It returns client and uploads result mark, client reception result identifies and provides result prompt.
10. document breakpoint transmission method according to claim 9, it is characterised in that：Using browser as visitor in this method
Family end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094808.9A CN108401012A (en) | 2018-01-31 | 2018-01-31 | A kind of document breakpoint transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094808.9A CN108401012A (en) | 2018-01-31 | 2018-01-31 | A kind of document breakpoint transmission method |
Publications (1)
| Publication Number | Publication Date |
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| CN108401012A true CN108401012A (en) | 2018-08-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810094808.9A Pending CN108401012A (en) | 2018-01-31 | 2018-01-31 | A kind of document breakpoint transmission method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149410A (en) * | 2019-06-05 | 2019-08-20 | 武汉墨仗信息科技股份有限公司 | The bidding documents uploading system of big data breakpoint transmission of the concentrating type based on cloud platform |
| CN110809039A (en) * | 2019-10-30 | 2020-02-18 | 华工正源智能终端（孝感）有限公司 | File uploading method and device |
| CN111245949A (en) * | 2020-01-19 | 2020-06-05 | 中国建设银行股份有限公司 | File filing and transmission method, device and equipment |
| CN111262952A (en) * | 2020-03-27 | 2020-06-09 | 北京环鼎科技有限责任公司 | Breakpoint continuous loading method for downloading acoustic data file for storage logging |
| CN112153132A (en) * | 2020-09-18 | 2020-12-29 | 北京浪潮数据技术有限公司 | File uploading method, device and equipment based on virtualization management platform |
| CN112417437A (en) * | 2020-10-28 | 2021-02-26 | 北京八分量信息科技有限公司 | Trusted cloud platform based program white list generation method |
| CN112689022A (en) * | 2020-12-31 | 2021-04-20 | 上海宏力达信息技术股份有限公司 | Automatic data continuous transmission method |
| CN114584551A (en) * | 2022-01-27 | 2022-06-03 | 深圳爱捷云科技有限公司 | File uploading method, electronic equipment and computer program product |
| CN114979118A (en) * | 2022-05-19 | 2022-08-30 | 浪潮云信息技术股份公司 | File breakpoint continuous transmission method based on browser |
| CN115549757A (en) * | 2022-09-13 | 2022-12-30 | 中国电子科技集团公司第五十四研究所 | Satellite communication software online upgrading method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149410A (en) * | 2019-06-05 | 2019-08-20 | 武汉墨仗信息科技股份有限公司 | The bidding documents uploading system of big data breakpoint transmission of the concentrating type based on cloud platform |
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| CN111245949A (en) * | 2020-01-19 | 2020-06-05 | 中国建设银行股份有限公司 | File filing and transmission method, device and equipment |
| CN111262952A (en) * | 2020-03-27 | 2020-06-09 | 北京环鼎科技有限责任公司 | Breakpoint continuous loading method for downloading acoustic data file for storage logging |
| CN111262952B (en) * | 2020-03-27 | 2023-11-21 | 北京环鼎科技有限责任公司 | Breakpoint continuous loading method for downloading acoustic data file for storage logging |
| CN112153132A (en) * | 2020-09-18 | 2020-12-29 | 北京浪潮数据技术有限公司 | File uploading method, device and equipment based on virtualization management platform |
| CN112417437A (en) * | 2020-10-28 | 2021-02-26 | 北京八分量信息科技有限公司 | Trusted cloud platform based program white list generation method |
| CN112689022A (en) * | 2020-12-31 | 2021-04-20 | 上海宏力达信息技术股份有限公司 | Automatic data continuous transmission method |
| CN114584551A (en) * | 2022-01-27 | 2022-06-03 | 深圳爱捷云科技有限公司 | File uploading method, electronic equipment and computer program product |
| CN114979118A (en) * | 2022-05-19 | 2022-08-30 | 浪潮云信息技术股份公司 | File breakpoint continuous transmission method based on browser |
| CN115549757A (en) * | 2022-09-13 | 2022-12-30 | 中国电子科技集团公司第五十四研究所 | Satellite communication software online upgrading method |
| CN115549757B (en) * | 2022-09-13 | 2024-05-07 | 中国电子科技集团公司第五十四研究所 | Satellite communication software online upgrading method |
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Application publication date: 20180814 |