CN109150935A - A kind of document transmission method, device and mobile terminal - Google Patents
A kind of document transmission method, device and mobile terminal Download PDFInfo
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- CN109150935A CN109150935A CN201710462005.XA CN201710462005A CN109150935A CN 109150935 A CN109150935 A CN 109150935A CN 201710462005 A CN201710462005 A CN 201710462005A CN 109150935 A CN109150935 A CN 109150935A
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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]
Abstract
The invention discloses a kind of document transmission method, device and mobile terminals, method includes: before file upload starts, judge whether file size exceeds default file size, if it is, it is then uploaded in the form of blocks of files according to network state to after file progress dynamic partition, otherwise directly uploads file.The present invention chooses whether to carry out the block transmission of file according to file size before file transmission, and when needing block transmission, suitable file block size is calculated according to network state dynamic, file transmission can more efficiently be carried out and retransmit convenient for reducing data when recovery by reaching；Further, it can also be when network be more stable, without carrying out the calculating and adjustment of file block, in Network status fluctuation, it is calculated according to the dynamic that real-time network situation re-starts file block, reach dynamic and calculate and adjust the next adaptive network condition of file block size, to reach efficient network transmission, and reduces the purpose for interrupting data volume when retransmitting.
Description
Technical field
The present invention relates to file transmission field more particularly to a kind of document transmission methods, device and mobile terminal.
Background technique
With the fast development of internet and the comprehensive of mobile terminal popularizes, and more and more people are set using movement whenever and wherever possible
It is standby carry out routine work with exchange.How to carry out efficient, stable and recoverable data transmission in mobile terminal becomes mobile terminal number
According to the research emphasis of Transmission.
It is directly to upload entire file that general existing file, which uploads solution, does not carry out piecemeal to file.This scheme is worked as
It after interrupting transmission due to network or other reasons, then needs to upload entire file again, wastes network flow and transmission time, and
It is bad to user experience.
Further solution is entire file to be fixed the piecemeal of size before file upload, for example refer to
The size for determining 64KB carries out file division as a blocks of files, uploads to the blocks of files after segmentation, until All Files
Block is completed to upload, then is spliced by server end to file block, synthesizes the solution of entire file.But due to uploading
File size is not accounted for when Shi Jinhang piecemeal, fixed block size is uploaded.The existing major defect of this scheme is cannot
The determination of piecemeal size is carried out according to specific file size and network condition.For example, not needed generally in Documents Comparison hour
Piecemeal or block count can be reduced.If Network status is good, and file block is small, then can expend the more time and constantly follow
On the small data file piecemeal of ring segmentation one by one；If Network status is bad, and file block is bigger, then interrupts re-transmission
When need to repeat to upload the current piecemeal for uploading failure, just greatly reduce or even lose at this time the excellent of file block transmission
Gesture.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of file transmission side
Method, device and mobile terminal.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of document transmission method, comprising:
Before file upload starts, judge whether file size exceeds default file size；
If file size is directly uploaded without departing from default file size, by file；
If file size exceed default file size, according to network state to file carry out dynamic partition after with file
The form of block uploads.
Preferably, described include: to upload after file progress dynamic partition according to network state
In each blocks of files end of transmission, next text is calculated according to the size of a upper blocks of files and transmission time
The size of part block, and next blocks of files is partitioned into from remaining file according to calculated result and is transmitted；Wherein, next
The size of the size of blocks of files and a upper blocks of files be positively correlated and with the transmission time of upper file negative correlation.
Preferably, it is described according to network state to file carry out dynamic partition after upload further include:
In some blocks of files end of transmission, if the amplitude of variation of the size of the default blocks of files sent before is the
Within the scope of one pre-activity, then it is not necessarily to calculate the size of next blocks of files, by blocks of files later according to the big of some blocks of files
Small segmentation obtains, until there is the transmission time of the transmission time of single file block compared to the upper blocks of files corresponding to it
Amplitude of variation exceed the second fluctuation range when, recalculate the size of next blocks of files.
Preferably, it is described according to network state to file carry out dynamic partition after upload further include:
If the transmission time of some blocks of files is compared to the variation of the transmission time of the upper blocks of files corresponding to it
When amplitude exceeds third fluctuation range, then according to the size with some blocks of files at the relationship of preset ratio, from remaining text
Next blocks of files is partitioned into part to be transmitted.
Preferably, the size for calculating next blocks of files according to the size and transmission time of a upper blocks of files
It is to be calculated based on following formula:
Size=2power
Wherein, s1 represents the size of a blocks of files, and t1 represents the transmission time of a blocks of files, under size is represented
The size of one blocks of files.
A kind of file transfer means are also claimed in the present invention characterized by comprising
First judgment module, for judging whether file size exceeds default file size before file upload starts,
File size starts the first execution module when exceeding default file size, starts when file size is without departing from default file size
Second execution module；
First execution module, for being uploaded in the form of blocks of files according to network state to after file progress dynamic partition；
Second execution module, for directly uploading file.
Preferably, first execution module includes:
First computing unit is used in each blocks of files end of transmission, according to the size and biography of a upper blocks of files
The defeated time calculates the size of next blocks of files, and be partitioned into from remaining file according to calculated result next blocks of files into
Row transmission.
Preferably, first execution module further include:
Stablize transmission control unit, the default blocks of files for sending in some blocks of files end of transmission before
When the amplitude of variation of size is within the scope of the first pre-activity, blocks of files later is divided according to the size of some blocks of files
It arrives, until there is the variation width of the transmission time of single file block compared to the transmission time of the upper blocks of files corresponding to it
When degree is beyond the second fluctuation range, the first computing unit of restarting calculates the size of next blocks of files.
Preferably, first execution module further include:
Second computing unit, for the transmission time in some blocks of files compared to the upper blocks of files corresponding to it
When the amplitude of variation of transmission time exceeds third fluctuation range, according to the size with some blocks of files at the pass of preset ratio
System, next blocks of files is partitioned into from remaining file and is transmitted.
A kind of mobile terminal is also claimed in the present invention, including processor and storage equipment, storage equipment can store more
Item instruction, described instruction can be loaded and be executed by processor: before uploading file, it is default to judge whether file size exceeds
File size, if file size is directly uploaded without departing from default file size, by file, if file size is beyond default
File size is then uploaded in the form of blocks of files according to network state to after file progress dynamic partition.
Implement document transmission method of the invention, device and mobile terminal, has the advantages that the present invention in text
The block transmission of progress file is chosen whether before part transmission according to file size, and when needing block transmission, according to
Network state dynamic calculates suitable file block size, and file transmission can be carried out and more efficiently convenient for subtracting when restoring by reaching
Minority is according to re-transmission；Further, the present invention can also be compared judgement according to the result that preceding file block several times transmits, excellent
Change the calculating process of subsequent file piecemeal, reduces and calculate the time, it is subsequent without carrying out file block when network is more stable
It calculates and adjustment can re-start the dynamic meter of file block in Network status fluctuation according to real-time network situation at any time
It calculates, to reach, dynamic is calculated and adjustment file block size carrys out adaptive network condition, efficiently carries out network biography to reach
It is defeated, and reduce the purpose for interrupting data volume when retransmitting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings:
Fig. 1 is the flow chart of the preferred embodiment of document transmission method of the invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give exemplary embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
It should be noted that word " equal ", " identical " " simultaneously " or other similar term, are not limited to mathematical term
In it is absolute equal or identical, when implementing right described in this patent, can be close on engineering significance or acceptable
Error range in.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
" first ", " second " used in this specification etc. includes that the term of ordinal number can be used for illustrating various constituent elements,
But these constituent elements are not limited by these terms.It is only that using the purpose of these terms and distinguishes a constituent element
In other constituent elements.For example, first constituent element can be named as under the premise of not departing from interest field of the invention
Two constituent elements, similarly, the second constituent element can also be named as the first constituent element.This term of "and/or" includes
A certain item in the multiple related record projects of the combination of multiple correlation record projects.
The total thinking of the present invention is: dynamic partition carried out to file according to network state and is uploaded in the form of blocks of files,
Middle network state can be reacted by the transmission of a upper blocks of files, wherein the size of next blocks of files and a upper file
The size of block be positively correlated and with the transmission time of upper file negative correlation, such as a upper blocks of files is bigger, transmission time more
Short, next blocks of files is bigger；A upper blocks of files is smaller, transmission time is longer, and next blocks of files is smaller.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application
The detailed description of technical solution, rather than the restriction to technical scheme, in the absence of conflict, the present invention are implemented
Technical characteristic in example and embodiment can be combined with each other.
Document transmission method of the invention, comprising:
S100, file upload start before, judge whether file size exceeds default file size；
Wherein, default file size can rule of thumb be set, to this and with no restrictions.It such as can be 1M.
If S200, file size are directly uploaded without departing from default file size, by file；
If S300, file size exceed default file size, after carrying out dynamic partition to file according to network state
It is uploaded in the form of blocks of files.
With reference to Fig. 1, specifically, described, upload after dynamic partition to file according to network state include: each
Blocks of files transmission obtains blocks of files when starting and uploads time started t10, obtains in blocks of files in each blocks of files end of transmission
End time t20 is passed, the big of next blocks of files is calculated according to the size of a upper blocks of files and transmission time t20-t10
It is small, and next blocks of files is partitioned into from remaining file according to calculated result and is transmitted.
It is understood that being directed to first blocks of files, it is possible to specify the file block size of a default, such as
256KB。
Wherein, the size of the size for the next blocks of files being calculated and a upper blocks of files be positively correlated and with upper one
The transmission time of file is negatively correlated, can guarantee in this way when there is Transmission due to network etc., needs to repeat to upload
Data it is fewer, can farthest save transmission time, and reduce flow consumption, with reach efficient File transmission mesh
's.
It should be noted that specific calculation method and with no restrictions, is based on following formula calculating in preferred embodiment
It obtains:
Size=2power
Wherein, s1 represents the size of a blocks of files；T1 represents the transmission time of a blocks of files, is equal to t20-
t10；Size represents the size of next blocks of files.
Preferably, if in the case that certain time period Network status is more stable, it may appear that continuous several blocks of files can
Can be almost the same, then it no longer needs to be calculated below, the primary gained size that calculates is piecemeal size before directly continuing to use, so
Complicated calculations number can be reduced, it certainly, can be again if subsequent detection is bigger to the variation of an equal amount of blocks of files transmission time
It is secondary to be calculated, guarantee subsequent file piecemeal size with the variation of external environment and dynamic adjusts, therefore the present invention can also be into
One step includes: in some blocks of files end of transmission, if the amplitude of variation of the size of the default blocks of files sent before exists
Within the scope of first pre-activity, then it is not necessarily to calculate the size of next blocks of files, by blocks of files later according to some blocks of files
Size is divided to obtain, until when there is the transmission of the transmission time of single file block compared to the upper blocks of files corresponding to it
Between amplitude of variation exceed the second fluctuation range when, recalculate the size of next blocks of files.
It is understood that the first pre-activity range, the second fluctuation range either preset specific value range (such as
First pre-activity range is less than 256KB, and the second fluctuation range is less than 500ms), it can also be the big of referenced blocks of files
Small, transmission time percentage, for example if stablizing file block size when transmission is 1M, the first pre-activity may range from being less than
1M*5%, for another example the second fluctuation range can be 10ms*150% if the transmission time of a upper blocks of files is 10ms,
Certainly specific percentage can rule of thumb be set.
, can be according to file block size before it is further preferred that in the case that if Network status is highly unstable
Directly divide next blocks of files, complicated calculations number can be reduced.Therefore, the invention also includes: if the biography of some blocks of files
When the defeated time exceeds third fluctuation range compared to the amplitude of variation of the transmission time of the upper blocks of files corresponding to it, then press
According to the size with some blocks of files at the relationship of preset ratio, it is partitioned into next blocks of files from remaining file and is passed
It is defeated.Obviously, if variation is that transmission time reduces, preset ratio is greater than 1 numerical value, for example takes 2 times；If variation is to pass
The defeated time increases, then preset ratio is less than 1 numerical value, for example takes 1/2.
Obviously, third fluctuation range is greater than the second fluctuation range.Similarly, third pre-activity range is either preset tool
Body numberical range can also be the percentage of the transmission time of a referenced upper blocks of files.
It is understood that above-mentioned two preferred embodiments, can also can choose in conjunction in the same scheme
It is therein any one.
Based on the same inventive concept, the invention also discloses a kind of file transfer means, comprising:
First judgment module, for judging whether file size exceeds default file size before file upload starts,
File size starts the first execution module when exceeding default file size, starts when file size is without departing from default file size
Second execution module；
First execution module, for being uploaded in the form of blocks of files according to network state to after file progress dynamic partition；
Second execution module, for directly uploading file.
In preferred embodiment, first execution module includes: the first computing unit and the second computing unit and/or steady
Determine transmission control unit.
Wherein, the first computing unit, in each blocks of files end of transmission, according to the size of a upper blocks of files with
And transmission time calculates the size of next blocks of files, and next file is partitioned into from remaining file according to calculated result
Block is transmitted.
It should be noted that being directed to first blocks of files, it is possible to specify the file block size of a default, such as
256KB.In addition, the specific calculation method of the first computing unit and with no restrictions, is based on following formula in preferred embodiment
It is calculated:
Size=2power
Wherein, s1 represents the size of a blocks of files, and t1 represents the transmission time of a blocks of files, under size is represented
The size of one blocks of files.
Wherein, stablize transmission control unit, the default file for sending in some blocks of files end of transmission before
When the amplitude of variation of the size of block is within the scope of the first pre-activity, blocks of files later is divided according to the size of some blocks of files
It obtains, until there is the variation of the transmission time of single file block compared to the transmission time of the upper blocks of files corresponding to it
When amplitude exceeds the second fluctuation range, the first computing unit of restarting calculates the size of next blocks of files.
It is understood that the first pre-activity range, the second fluctuation range either preset specific value range (such as
First pre-activity range is less than 256KB, and the second fluctuation range is less than 500ms), it can also be the big of referenced blocks of files
Small, transmission time percentage, for example if stablizing file block size when transmission is 1M, the first pre-activity may range from being less than
1M*5%, for another example the second fluctuation range can be 10ms*150% if the transmission time of a upper blocks of files is 10ms,
Certainly specific percentage can rule of thumb be set.
Wherein, the second computing unit, for the transmission time in some blocks of files compared to the upper text corresponding to it
When the amplitude of variation of the transmission time of part block exceeds third fluctuation range, according to the size with some blocks of files at preset ratio
Relationship, next blocks of files is partitioned into from remaining file and is transmitted.
Obviously, third fluctuation range is greater than the second fluctuation range.Similarly, third pre-activity range is either preset tool
Body numberical range can also be the percentage of the transmission time of a referenced upper blocks of files.
It is understood that the second computing unit, stablize two units of transmission control unit be all preferably, can
To be provided simultaneously with, also can choose it is therein any one.
Based on the same inventive concept, the invention discloses a kind of mobile terminal, including processor and storage equipment, storages
Equipment can store a plurality of instruction, and described instruction can be loaded and be executed by processor: before uploading file, judge file size
Whether default file size is exceeded, if file size is directly uploaded without departing from default file size, by file, if file
Size exceeds default file size, then is uploaded in the form of blocks of files according to network state to after file progress dynamic partition.
It is realized because inventive concept is identical, therefore about the detail of mobile terminal, reference paper transmission method portion
The introduction divided, details are not described herein again.
In conclusion implementing document transmission method, device and mobile terminal of the invention, have the advantages that
The present invention chooses whether to carry out the block transmission of file according to file size before file transmission, and piecemeal is being needed to pass
When defeated, suitable file block size is calculated according to network state dynamic, file transmission and just can more efficiently be carried out by reaching
Data are reduced when restoring to retransmit；Further, the result that the present invention can also be transmitted according to preceding file block several times carries out
Multilevel iudge, optimize subsequent file piecemeal calculating process, reduce calculate the time, when network is more stable, it is subsequent without into
The calculating and adjustment of row file block can re-start file according to real-time network situation at any time in Network status fluctuation
The dynamic of piecemeal calculates, to reach, dynamic is calculated and adjustment file block size carrys out adaptive network condition, to reach efficient
Ground carries out network transmission, and reduces the purpose for interrupting data volume when retransmitting.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of document transmission method characterized by comprising
Before file upload starts, judge whether file size exceeds default file size；
If file size is directly uploaded without departing from default file size, by file；
If file size exceed default file size, according to network state to file carry out dynamic partition after with blocks of files
Form uploads.
2. document transmission method according to claim 1, which is characterized in that described to be carried out according to network state to file
It is uploaded after dynamic partition and includes:
In each blocks of files end of transmission, next blocks of files is calculated according to the size of a upper blocks of files and transmission time
Size, and next blocks of files is partitioned into from remaining file according to calculated result and is transmitted；Wherein, next file
The size of the size of block and a upper blocks of files be positively correlated and with the transmission time of upper file negative correlation.
3. document transmission method according to claim 2, which is characterized in that described to be carried out according to network state to file
It is uploaded after dynamic partition further include:
In some blocks of files end of transmission, if the amplitude of variation of the size of the default blocks of files sent before is pre- first
In dynamic range, then it is not necessarily to calculate the size of next blocks of files, by blocks of files later according to the size point of some blocks of files
It cuts to obtain, until there is the change of the transmission time of single file block compared to the transmission time of the upper blocks of files corresponding to it
When change amplitude exceeds the second fluctuation range, the size of next blocks of files is recalculated.
4. document transmission method according to claim 2 or 3, which is characterized in that it is described according to network state to file
It is uploaded after carrying out dynamic partition further include:
If the transmission time of some blocks of files is compared to the amplitude of variation of the transmission time of the upper blocks of files corresponding to it
When beyond third fluctuation range, then according to the size with some blocks of files at the relationship of preset ratio, from remaining file
Next blocks of files is partitioned into be transmitted.
5. document transmission method according to claim 2, which is characterized in that the size according to a upper blocks of files
And transmission time, which calculates the size of next blocks of files, to be calculated based on following formula:
Size=2power
Wherein, s1 represents the size of a blocks of files, and t1 represents the transmission time of a blocks of files, and size represents next
The size of blocks of files.
6. a kind of file transfer means characterized by comprising
First judgment module, for judging whether file size exceeds default file size, in file before file upload starts
Size starts the first execution module when exceeding default file size, starts second when file size is without departing from default file size
Execution module；
First execution module, for being uploaded in the form of blocks of files according to network state to after file progress dynamic partition；
Second execution module, for directly uploading file.
7. file transfer means according to claim 6, which is characterized in that first execution module includes:
First computing unit is used in each blocks of files end of transmission, when according to the size and transmission of a upper blocks of files
Between calculate the size of next blocks of files, and next blocks of files is partitioned into from remaining file according to calculated result and is passed
It is defeated.
8. mobile terminal according to claim 7, which is characterized in that first execution module further include:
Stablize transmission control unit, the size for the default blocks of files in some blocks of files end of transmission, sent before
Amplitude of variation within the scope of the first pre-activity when, blocks of files later is divided to obtain according to the size of some blocks of files, directly
It is super compared to the amplitude of variation of the transmission time of the upper blocks of files corresponding to it to the transmission time for single file block occur
Out when the second fluctuation range, the first computing unit of restarting calculates the size of next blocks of files.
9. mobile terminal according to claim 7 or 8, which is characterized in that first execution module further include:
Second computing unit, the transmission for the transmission time in some blocks of files compared to the upper blocks of files corresponding to it
When the amplitude of variation of time exceeds third fluctuation range, according to the size with some blocks of files at the relationship of preset ratio, from
Next blocks of files is partitioned into remaining file to be transmitted.
10. a kind of mobile terminal, which is characterized in that including processor and storage equipment, storage equipment can store a plurality of instruction,
Described instruction can be loaded and be executed by processor:
Before file upload starts, judge whether file size exceeds default file size, if file size is without departing from default
File size then directly uploads file, if file size exceed default file size, according to network state to file into
It is uploaded in the form of blocks of files after Mobile state segmentation.
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| CN110166327A (en) * | 2019-06-26 | 2019-08-23 | 恒宝股份有限公司 | A kind of data transfer integrity control system and method |
| CN110166457A (en) * | 2019-05-22 | 2019-08-23 | 泉后(深圳)科技有限公司 | A kind of advertisement machine information issuing method and its device |
| CN111245748A (en) * | 2020-01-03 | 2020-06-05 | 北京明略软件系统有限公司 | File transmission method, device, system, electronic equipment and storage medium |
| CN111314439A (en) * | 2020-01-20 | 2020-06-19 | 北京无限光场科技有限公司 | Data sending method and device and electronic equipment |
| CN111586158A (en) * | 2020-05-06 | 2020-08-25 | 山东汇贸电子口岸有限公司 | Audio and video fragment uploading and retransmitting method |
| CN111917867A (en) * | 2020-07-29 | 2020-11-10 | 星辰天合（北京）数据科技有限公司 | Method and device for uploading Web file |
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| CN113852563A (en) * | 2021-09-22 | 2021-12-28 | 深圳市元征科技股份有限公司 | Message data transmission method and device, terminal equipment and readable storage medium |
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