CN111711687B - File data transmission and storage method - Google Patents
File data transmission and storage method Download PDFInfo
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- CN111711687B CN111711687B CN202010544918.8A CN202010544918A CN111711687B CN 111711687 B CN111711687 B CN 111711687B CN 202010544918 A CN202010544918 A CN 202010544918A CN 111711687 B CN111711687 B CN 111711687B
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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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- 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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Abstract
The invention discloses a file data transmission and storage method, which comprises the following steps: step 1, adding a first field on a file header of an existing file, wherein the first field is a author name; step 2, adding a second field on the file header of the existing file, wherein the second field is an address uploaded to the server; step 3, adding a third field on the file header of the existing file, wherein the third field marks whether the client edits the file; the method and the device can reduce the waste of server storage and bandwidth caused by unnecessary file transmission, only one file needs to be stored in the server for the same file, and the uploading efficiency is improved because the size of the file is larger than that of the url text. Meanwhile, repeated storage of the same file on the server is reduced, so that the url returned by the server is added in the file header, repeated uploading of the same file for many times can be prevented, and only the url of the file needs to be uploaded.
Description
Technical Field
The invention relates to the technical field of computer software, in particular to a file data transmission and storage method.
Background
A file transfer is the transfer of a file or a portion thereof from one computer system to another. A file or a portion thereof is transferred from one computer system to another. It may transfer the file to another computer for storage, or to access the file on a remote computer, or to another computer for execution (as a program) or processing (as data), or to a printer for printing. Since the file systems of the computers in a network are often different, a common file transfer rule is established across the network, known as the File Transfer Protocol (FTP).
At present, on the premise of complying with a transmission protocol, a local file path is acquired and uploaded to a server in a file stream manner, but when the local file path needs to be uploaded again, for example, a file is downloaded to the local, and when the local file needs to be sent or forwarded or uploaded to a friend circle of a user, the file which is already in the server is uploaded again, which causes waste of bandwidth and waste of server space, or for example, a picture is downloaded on an e-commerce platform and uploaded to a shop of the user, which needs to be uploaded repeatedly, and the server already has the file, which causes unnecessary waste of resources.
Disclosure of Invention
The invention aims to provide a file data transmission and storage method, which aims to solve the problem that unnecessary resource waste is caused by the fact that when a local file path is acquired in the prior art, the local file path is uploaded to a server in a file stream mode, but when the local file path needs to be uploaded again in the mode, the local file path needs to be uploaded again.
In order to achieve the purpose, the invention provides the following technical scheme: a file data transmission and storage method comprises the following steps:
step 1, adding a first field on a file header of an existing file, wherein the first field is a author name;
step 2, adding a second field on the file header of the existing file, wherein the second field is an address uploaded to the server;
step 3, adding a third field on the file header of the existing file, wherein the third field marks whether the client edits the file;
step 4, detecting the source of the file by using the first field, emptying the first field and the second field when the third field marks that the client edits the file, and detecting whether the second field has content when the third field marks that the client does not edit the file;
step 5, if the detected second field has no content, uploading the local text in a streaming mode, if the second field has the content, detecting whether the array inside of the field contains the domain name of the service provider, if the second field has the content, only uploading the url of the corresponding service provider, and if the second field does not have the content, uploading the local text in the streaming mode;
step 6, if the array of the second field contains the domain name of the service provider, only the url is uploaded, whether the server contains complete file information is detected, if the server contains the complete information, the file does not need to be uploaded, and if the server does not contain the complete information, the file needs to be uploaded again;
preferably, the author name in step 1 is the copyright of the identified document.
Preferably, the addresses uploaded to the server in the step 2 are arrays.
Preferably, the size of the file in step 6 is larger than the size of the url text.
Compared with the prior art, the invention has the beneficial effects that: a file data transmission storage method is more beneficial than a method for storing files by a database, the files are stored by the database in one-to-one correspondence with positions, once the corresponding relation of the files is moved, the corresponding relation is damaged, and urls are stored in file headers of the files, the urls follow the files, the urls uploaded to a server are known no matter how the files are moved, unnecessary file transmission can be reduced, waste of storage and bandwidth of the server is caused, all the files are stored in a shared place of the server instead of different server providers, only one file can be stored on the server at the moment, and uploading efficiency is improved. The storage of the server is reduced, and the url of the uploaded file is added in the file, so that repeated uploading can be prevented.
Drawings
FIG. 1 is a first flowchart of text transmission according to the present invention;
FIG. 2 is a flow chart of text transmission according to the present invention;
FIG. 3 is a flowchart of file downloading according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1: text transmission mode
Referring to fig. 1-2, the present invention provides a technical solution: a file data transmission and storage method comprises the following steps:
step 1, adding a first field on a file header of an existing file, wherein the first field is a author name;
step 2, adding a second field on the file header of the existing file, wherein the second field is an address uploaded to a server;
step 3, adding a third field on the file header of the existing file, wherein the third field marks whether the client edits the file;
step 4, detecting the source of the file by using the first field, emptying the first field and the second field when the third field marks that the client edits the file, and detecting whether the second field has content when the third field marks that the client does not edit the file;
step 5, if the detected second field has no content, uploading the local text in a streaming mode, if the second field has the content, detecting whether the array inside of the field contains the domain name of the service provider, if the second field has the content, only uploading the url of the corresponding service provider, and if the second field does not have the content, uploading the local text in the streaming mode;
step 6, if the array of the second field contains the domain name of the service provider, only the url is uploaded, whether the server contains complete file information is detected, if the server contains the complete information, the file does not need to be uploaded, and if the server does not contain the complete information, the file needs to be uploaded again;
specifically, the author name in step 1 is the copyright of the identified file.
Specifically, the address uploaded to the server in step 2 is an array.
In particular, the size of the file in step 6 is larger than the size of the url text, so that the traffic resource for uploading can be reduced, and this prevents the same file from being kept on the server continuously.
In summary, the following steps: if the next time the client downloads the text from the server, the header of the text contains the url, the client only needs to judge whether the text exists in the server, if so, the client only needs to upload the url without uploading the text again, and if not, the client uploads the text again.
Example 2: file downloading mode
Referring to fig. 3, the present invention provides a technical solution: a file data transmission and storage method comprises the following steps:
step 1, adding a first field on a file header of an existing file, wherein the first field is a author name;
step 2, adding a second field on the file header of the existing file, wherein the second field is an address uploaded to the server;
step 3, adding a third field on the file header of the existing file, wherein the third field marks whether the client edits the file;
step 4, detecting the source of the file by using the first field, emptying the first field and the second field when the third field marks that the client edits the file, and detecting whether the second field has content when the third field marks that the client does not edit the file;
step 5, if the detected second field has no content, uploading the local text in a streaming mode, if the second field has the content, detecting whether the array inside of the field contains the domain name of the service provider, if the second field has the content, only uploading the url of the corresponding service provider, and if the second field does not have the content, uploading the local text in the streaming mode;
step 6, if the array of the second field contains the domain name of the service provider, only the url is uploaded, whether the server contains complete file information is detected, if the server contains the complete information, the file does not need to be uploaded, and if the server does not contain the complete information, the file needs to be uploaded again;
specifically, in step 1, the author name is the copyright of the identified file.
Specifically, the address uploaded to the server in step 2 is an array.
In particular, the size of the file in step 6 is larger than the size of the url text, so that the traffic resource for uploading can be reduced, and this prevents the same file from being kept on the server continuously.
In summary, the following steps: at present, a url is arranged in the file header of the file, a database, the url of the file and a path of the file can be established at a client according to the file, and if the url has a corresponding file path and the file is complete, the file does not need to be downloaded to a server. Only the local picture needs to be displayed. This can avoid the same client from downloading the same file from the server repeatedly, and save the storage space of the client. For example, the Wechat edge is a picture with a large number of pictures.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A file data transmission and storage method is characterized in that: the method comprises the following steps:
step 1, adding a first field on a file header of an existing file, wherein the first field is a name of a author;
step 2, adding a second field on the file header of the existing file, wherein the second field is an address url uploaded to the server;
step 3, adding a third field on the file header of the existing file, wherein the third field marks whether the client edits the file;
step 4, detecting the source of the file by using the first field, emptying the first field and the second field when the third field marks that the client edits the file, and detecting whether the second field has content when the third field marks that the client does not edit the file;
step 5, if the detected second field has no content, uploading the local text in a streaming mode, if the second field has the content, detecting whether the array inside of the field contains the domain name of the server, if the second field has the content, only uploading the url of the corresponding server, and if the second field does not have the content, uploading the local text in the streaming mode;
and 6, if the array of the second field contains the domain name of the server, only uploading url, detecting whether the server contains complete file information, if so, the file does not need to be uploaded, and if not, the file needs to be uploaded again.
2. The method for transmitting and storing file data according to claim 1, wherein: the author name in step 1 is the copyright of the identified document.
3. The method for transmitting and storing file data according to claim 1, wherein: the addresses uploaded to the server in the step 2 are arrays.
4. The method for transmitting and storing file data according to claim 1, wherein: the size of the file in said step 6 is larger than the size of the url text.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010544918.8A CN111711687B (en) | 2020-06-15 | 2020-06-15 | File data transmission and storage method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010544918.8A CN111711687B (en) | 2020-06-15 | 2020-06-15 | File data transmission and storage method |
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| Publication Number | Publication Date |
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| CN111711687A CN111711687A (en) | 2020-09-25 |
| CN111711687B true CN111711687B (en) | 2023-03-24 |
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| CN202010544918.8A Active CN111711687B (en) | 2020-06-15 | 2020-06-15 | File data transmission and storage method |
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2020
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| CN101004777A (en) * | 2006-01-21 | 2007-07-25 | 鸿富锦精密工业（深圳）有限公司 | System and method for automatic loading digital relief watermark |
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