CN109558554A - A kind of online method for previewing of document based on distributed objects storage system - Google Patents
A kind of online method for previewing of document based on distributed objects storage system Download PDFInfo
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Abstract
The invention discloses a kind of online method for previewing of the document based on distributed objects storage system, online preview request of the energy customer in response end to destination document, obtain the destination document for being stored in storage cluster, then the document format of destination document is converted into default document format in storage cluster, finally client is sent by the destination document of default document format, in order to carry out online preview in client, wherein default document format is the document format suitable for carrying out online preview in client.It can be seen that, the present invention can format the document in storage cluster side in the online preview document of client request, avoid and occupy more computing resource caused by carrying out document format conversion in client, and the higher problem of online preview delay, improve the usage experience of user.In addition, effect corresponds to the above method the present invention also provides a kind of online pre-viewing device of document based on distributed objects storage system and a kind of distributed objects storage system.
Description
Technical field
The present invention relates to field of storage, in particular to the online preview side of a kind of document based on distributed objects storage system
Method, device and a kind of distributed objects storage system.
Background technique
Take a broad view current, cloud computing is being opened the epoch of explosion type innovation, and the appearance of Internet of Things allows millions of set
For all in creation, collection and delivery data, data magnitude has also risen to ZB rank from PB all the time.In face of unprecedented
Mass data bears down menacingly, and enterprise must determine how just to be effectively retained, protect, analyzes oneself unstructured data, and
Farthest play the value of these data.At present in business data in order to realize enterprise work data, enterprise operation data
Equal non-structured documents class data it is shared, generally use the storage mode of enterprise's cloud disk, and the storage association that enterprise's cloud disk is optimal
View is distributed objects storage.
For the document class data in distributed objects storage system, one of data application mode is exactly online preview.Industry
Boundary's online preview technology realization most common at present is that document is first downloaded out of distributed objects storage system to client application end
It is local, after then formatting, it is supplied to the online preview of Client application.Such technical implementation way, on the one hand due to needing
To increase in client application end format transformation, the time delay of online preview；On the one hand due to needing to carry out format in client application end
Conversion, meeting occupying system resources, the requirement for applications client are relatively high.
Summary of the invention
The object of the present invention is to provide a kind of online method for previewing of document based on distributed objects storage system, device and
A kind of distributed objects storage system, when solving the document in the online preview distributed objects storage system of client, by
In needing to carry out document format conversion in client-side, therefore the computing resource of client can be occupied, and online preview delay compared with
Long problem.
In order to solve the above technical problems, the present invention provides a kind of document based on distributed objects storage system is pre- online
Look at method, comprising:
In response to client to the online preview request of destination document, the target text for being stored in storage cluster is obtained
Shelves；
The document format of the destination document is converted into default document format in the storage cluster, wherein described pre-
If document format is the document format suitable for carrying out online preview in client；
The client is sent by the destination document of the default document format, in order to carry out in the client
Line preview.
Optionally, it is sent to the client in the destination document by the default document format, in order in institute
It states after client carries out online preview, further includes:
RESTFUL API or SDK API is called to carry out in destination document of the client to the default document format
It is online to show, to realize online preview.
Optionally, described in response to client to the online preview request of destination document, acquisition is stored in storage cluster
The destination document before, further includes:
In response to client to the upload request of destination document, the destination document that the client is sent is received；
The document format of the destination document is converted into default document format in storage cluster；
The destination document of the default document format is stored in the storage cluster.
Optionally, the destination document by the default document format is stored in the storage cluster, specifically includes:
The destination document of the default document format is renamed；
The storage is stored in together by the destination document of the preset format, without the destination document that format is converted to collect
Group.
Optionally, described that the document format of the destination document is converted into default document format in storage cluster, specifically
Include:
If existing for the online preview parameter of destination document setting in the upload request, in storage cluster by institute
The document format for stating destination document is converted to default document format.
In addition, the present invention also provides a kind of online pre-viewing devices of the document based on distributed objects storage system, comprising:
Destination document obtains module: for the online preview request in response to client to destination document, acquisition is stored in
The destination document of storage cluster；
Document format conversion module: default for being converted to the document format of the destination document in the storage cluster
Document format, wherein the default document format is the document format suitable for carrying out online preview in client；
Destination document sending module: for sending the client for the destination document of the default document format, with
Convenient for carrying out online preview in the client.
Optionally, described device further include:
Online display module: for calling RESTFUL API or SDK API in the client to the default document lattice
The destination document of formula is shown online, to realize online preview.
Optionally, described device further include:
Destination document receiving module: for the upload request in response to client to destination document, the client is received
The destination document of transmission；
Document format conversion module: for the document format of the destination document to be converted to default document in storage cluster
Format；
Destination document preserving module: for the destination document of the default document format to be stored in the storage cluster.
Finally, the present invention also provides a kind of distributed objects storage system, including client and storage cluster；
Wherein, the client is used to send the online preview request to destination document to storage cluster；
The storage cluster is used to obtain the destination document in response to the online preview request, by the destination document
Document format be converted to default document format, and send the client for the destination document of the default document format,
In order to carry out online preview in the client, wherein the default document format is online pre- suitable for carrying out in client
The document format look at.
Optionally, the client is also used to send the upload request to destination document to the storage cluster, described to deposit
Accumulation is used to receive the destination document that the client is sent in response to the upload request, by the text of the destination document
Shelves format is converted to default document format, and saves to the destination document of the default document format.
The online method for previewing of a kind of document based on distributed objects storage system provided by the present invention, be able to respond in
Client obtains the destination document for being stored in storage cluster to the online preview request of destination document, then incites somebody to action in storage cluster
The document format of destination document is converted to default document format, finally sends client for the destination document of default document format
End, in order to carry out online preview in client, wherein default document format is the text suitable for carrying out online preview in client
Shelves format.As it can be seen that the document in the online preview document of client request, can be carried out format in storage cluster side by the present invention
Conversion avoids and occupies more computing resource caused by carrying out document format conversion in client, and online preview delay is higher
The problem of, improve the online preview experience of user.
In addition, the present invention also provides a kind of online pre-viewing device of document based on distributed objects storage system and one kind
Distributed objects storage system, effect correspond to the above method, and which is not described herein again.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of online method for previewing embodiment of document based on distributed objects storage system provided by the present invention
One implementation flow chart；
Fig. 2 is a kind of online method for previewing embodiment of document based on distributed objects storage system provided by the present invention
The flow diagram of document preview in two；
Fig. 3 is a kind of online method for previewing embodiment of document based on distributed objects storage system provided by the present invention
The flow diagram that document uploads in two；
Fig. 4 is a kind of online pre-viewing device embodiment of document based on distributed objects storage system provided by the present invention
Functional block diagram；
Fig. 5 is a kind of structural schematic diagram of distributed objects storage system provided by the present invention.
Specific embodiment
Core of the invention be to provide a kind of online method for previewing of the document based on distributed objects storage system, device and
A kind of distributed objects storage system can format document in storage cluster side, avoid client into
Row document format occupies more computing resource caused by converting, and online preview is delayed higher problem, improve user
Line preview experience.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Below to a kind of online method for previewing embodiment of document based on distributed objects storage system provided by the invention
One is introduced, and referring to Fig. 1, embodiment one includes:
Step S101: in response to client to the online preview request of destination document, the institute for being stored in storage cluster is obtained
State destination document.
In the present embodiment, above-mentioned distributed objects storage system includes client and storage cluster, and storage cluster is by multiple
Storage server composition, wherein for storing data, client is used to carry out reading and writing data behaviour to storage cluster storage cluster
Make.
Step S102: being converted to default document format for the document format of the destination document in the storage cluster,
In, the default document format is the document format suitable for carrying out online preview in client.
As described above, above-mentioned default document format is suitable and carries out the text that online preview is shown online in other words in client
Shelves format, specially which kind of document properly determine that the present embodiment is not limited this according to actual conditions.Turn in document format
After the completion of changing, corresponding modification can be carried out to the extension name of document.
Specifically, therefore, collecting in storage in view of the destination document there are many document format may be stored in storage cluster
Before group formats, it can first judge whether storage cluster is stored with the destination document of the preset format, if judging
There is no the destination documents that this presets document format, then carry out above-mentioned format conversion.
Step S103: the client is sent by the destination document of the default document format, in order in the visitor
Family end carries out online preview.
The present embodiment provides a kind of online method for previewing of the document based on distributed objects storage system, be able to respond in
Client obtains the destination document for being stored in storage cluster to the online preview request of destination document, then incites somebody to action in storage cluster
The document format of destination document is converted to default document format, finally sends client for the destination document of default document format
End, in order to carry out online preview in client, wherein default document format is the text suitable for carrying out online preview in client
Shelves format.As it can be seen that the document in the online preview document of client request, can be carried out format in storage cluster side by the present invention
Conversion avoids and occupies more computing resource caused by carrying out document format conversion in client, and online preview delay is higher
The problem of, improve the online preview experience of user.
In addition to above-described embodiment one, the present invention also provides a kind of document based on distributed objects storage system is pre- online
Look at embodiment of the method two, embodiment two one is realized based on the above embodiment, and has carried out certain journey on the basis of example 1
The expansion of degree.
Specifically, in example 2, one functional switch can be set for distributed objects storage system, i.e., it is online pre-
Look at functional switch, whether the document class data uploaded in this distribution object storage system by this switch control enables document
Online preview function.
Specifically, on the one hand, it is opened when online preview function switchs, then enables the online preview function of document, then, it is right
In the document class data for uploading to the distributed objects storage system, when document files uploads, carried out pair at storage service end
This article files format, and then simultaneously save the document files after original text files and format conversion simultaneously.Separately
On the one hand, it is opened when online preview function switchs, then enables the online preview function of document, then, it is right to upload to the distribution
Interface is obtained as the document class data of storage system provides the online preview data of document, client is available straight by this interface
Connect can online preview document data, that is to say, that client can be directly presented, without formatting again.
A kind of online preview side of document based on distributed objects storage system provided by the invention is described in detail below
Method embodiment two, referring to fig. 2, embodiment two specifically include:
Step S201: user issues the preview target text to destination document by the client of distributed objects storage system
The request of shelves.
The request is issued by enterprise's Dropbox client as an alternative embodiment, can be.In actual text
In shelves previews, client issues preview request to storage cluster first, and destination document is then downloaded to client local,
End user can carry out online preview in client.As for the downloading mode of destination document, can be through RESTful API
Either SDK API is carried out.
Step S202: after the storage cluster of distributed objects storage system receives the preview request to destination document, judgement
It whether include that online preview parameter if including enters step S203 in the request.
In the present embodiment, the preview is judged by checking to whether including online preview parameter in the preview request of document
Whether request is online preview request.
Step S203: judging whether the online preview function switch of the document of distributed objects storage system is opened, if opening,
Enter step S204.
Step S204: destination document is found in the storage cluster of distributed objects storage system, is judged in storage cluster
With the presence or absence of the destination document of default document format, if it does not exist, then S205 is entered step, S206 is otherwise entered step.
Step S205: destination document is converted into default document format.
Above-mentioned default document format is specifically as follows pdf format, after document format converts, to the extension name of document
It is modified, that is, is modified accordingly are as follows: document name .pdf.
Step S206: client is sent by the destination document of default document format, in order to which client is to destination document
It is shown online, realizes the online preview destination document of user.
It should be noted that the purpose of the present embodiment is that reducing in the online preview distributed objects storage system of client
The computing resource of client is saved in delay when document.The above process describes after storage cluster finds destination document, is inciting somebody to action
Destination document is sent to before client, in the process that storage cluster formats.In fact, online in client request
It may be non-essential for formatting after preview to document, may be in storage cluster for example, with reference to above-mentioned steps S204
The version of the default document format of the stored document for having client request to access, based on this consideration, the present embodiment is also provided
Another thinking, i.e., just format in storage cluster after client uploads document, should referring to Fig. 3 introduction
The implementation process of process:
Step S301: user issues the request for uploading destination document by the client that distributed objects store.
It specifically can be the upload that document files is carried out by enterprise's Dropbox client, the File of upload includes but not
It is limited to office file, text-only file, html webpage file etc., the implementation of upload can be calling RESTful API
Either SDK API.
Step S302: after storage cluster receives upload request, judge the online preview of the document of distributed objects storage system
Whether functional switch is opened, if opening, enters step S303.
Step S303: the document format of source document is converted into default document format inside distributed objects storage system.
The technical implementation way of conversion is to call the format conversion plug-in unit being integrated in system, specifically can be by source document
File format is converted to pdf format, and carries out corresponding modification to the document files name after format conversion, specifically in source document
Addition extends the format of entitled " .pdf " in file basis.
Step S304: the PDF format file after storage cluster converts source document files and format saves together.
In conclusion the online method for previewing of a kind of document based on distributed objects storage system provided in this embodiment,
The interface for directly downloading online preview file due to having RESTful API or SDK API can efficiently solve online
Preview format formats bring in client and postpones higher problem, while reducing the online preview of document to client
The occupancy of computing resource enables mobile client or the poor client of configuration to carry out the online preview of document glibly,
Working efficiency is improved, so that the user experience is improved and product competitiveness.
Below to a kind of online pre-viewing device of document based on distributed objects storage system provided in an embodiment of the present invention
It is introduced, the online pre-viewing device of a kind of document based on distributed objects storage system described below and above-described one
Document online method for previewing of the kind based on distributed objects storage system can correspond to each other reference.
Referring to fig. 4, which includes:
Destination document obtains module 401: for the online preview request in response to client to destination document, obtaining storage
In the destination document of storage cluster.
Document format conversion module 402: for being converted to the document format of the destination document in the storage cluster
Default document format, wherein the default document format is the document format suitable for carrying out online preview in client.
Destination document sending module 403: for sending the client for the destination document of the default document format,
In order to carry out online preview in the client.
As an alternative embodiment, described device further include:
Online display module 404: for calling RESTFUL API or SDK API in the client to the default text
The destination document of shelves format is shown online, to realize online preview.
As an alternative embodiment, described device further include:
Destination document receiving module 405: for the upload request in response to client to destination document, the client is received
Hold the destination document sent；
Document format conversion module 406: default for being converted to the document format of the destination document in storage cluster
Document format；
Destination document preserving module: for the destination document of the default document format to be stored in the storage cluster.
A kind of online pre-viewing device of document based on distributed objects storage system of the present embodiment is for realizing above-mentioned
A kind of online method for previewing of document based on distributed objects storage system, therefore before specific embodiment in the device is visible
The embodiment part of the online method for previewing of document of one of the text based on distributed objects storage system, for example, destination document
Module 401, document format conversion module 402, destination document sending module 403 are obtained, is respectively used to realize that above-mentioned one kind is based on
Step S101, S102, S103 in the online method for previewing of the document of distributed objects storage system.So specific embodiment
It is referred to the description of corresponding various pieces embodiment, herein not reinflated introduction.
In addition, since a kind of online pre-viewing device of document based on distributed objects storage system of the present embodiment is for real
A kind of existing online method for previewing of document based on distributed objects storage system above-mentioned, therefore the work of its effect and the above method
With corresponding, which is not described herein again.
In addition, the present invention also provides a kind of distributed objects storage system embodiment, a kind of distribution described below
Object storage system can be mutually right with a kind of online method for previewing of above-described document based on distributed objects storage system
It should refer to.
Referring to Fig. 5, which includes: client 501 and storage cluster 502.Wherein, the client 501 is used
In the online preview request to the transmission of storage cluster 502 to destination document；The storage cluster 502 is used in response to described online
Preview request obtains the destination document, the document format of the destination document is converted to default document format, and will be described
The destination document of default document format is sent to the client 501, in order to carry out online preview in the client 501,
Wherein, the default document format is the document format suitable for carrying out online preview in client 501.
As an alternative embodiment, the client 501 is also used to send to the storage cluster 502 to target
The upload request of document, the storage cluster 502 are used to receive what the client 501 was sent in response to the upload request
The document format of the destination document is converted to default document format by destination document, and to the mesh of the default document format
Mark document is saved.
A kind of distributed objects storage system of the present embodiment is for realizing above-mentioned a kind of based on distributed objects storage
The online method for previewing of the document of system, therefore the specific embodiment of the system visible is based on distributed objects one of above
The embodiment part of the online method for previewing of the document of storage system, and its effect with it is above-mentioned corresponding, which is not described herein again.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Above to a kind of online method for previewing of document based on distributed objects storage system provided by the present invention, device
And a kind of distributed objects storage system is described in detail.Specific case used herein is to the principle of the present invention and reality
The mode of applying is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It answers
It, for those skilled in the art, without departing from the principle of the present invention, can also be to this when pointing out
Some improvement and modification can also be carried out for invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of online method for previewing of document based on distributed objects storage system characterized by comprising
In response to client to the online preview request of destination document, the destination document for being stored in storage cluster is obtained；
The document format of the destination document is converted into default document format in the storage cluster, wherein the default text
Shelves format is the document format suitable for carrying out online preview in client；
The client is sent by the destination document of the default document format, it is online pre- in order to be carried out in the client
It lookes at.
2. the method as described in claim 1, which is characterized in that sent in the destination document by the default document format
To the client, in order to after the client carries out online preview, further includes:
RESTFUL API or SDK API is called to carry out in destination document of the client to the default document format online
It shows, to realize online preview.
3. the method as described in claim 1, which is characterized in that in the online preview in response to client to destination document
Request, acquisition are stored in front of the destination document of storage cluster, further includes:
In response to client to the upload request of destination document, the destination document that the client is sent is received；
The document format of the destination document is converted into default document format in storage cluster；
The destination document of the default document format is stored in the storage cluster.
4. method as claimed in claim 3, which is characterized in that the destination document by the default document format is stored in
The storage cluster, specifically includes:
The destination document of the default document format is renamed；
It is stored in the storage cluster together by the destination document of the preset format, without the destination document that format is converted.
5. method as claimed in claim 3, which is characterized in that it is described in storage cluster by the document format of the destination document
Default document format is converted to, is specifically included:
If existing for the online preview parameter of destination document setting in the upload request, in storage cluster by the mesh
The document format of mark document is converted to default document format.
6. a kind of online pre-viewing device of document based on distributed objects storage system characterized by comprising
Destination document obtains module: for the online preview request in response to client to destination document, acquisition is stored in storage
The destination document of cluster；
Document format conversion module: for the document format of the destination document to be converted to default document in the storage cluster
Format, wherein the default document format is the document format suitable for carrying out online preview in client；
Destination document sending module: for sending the client for the destination document of the default document format, in order to
Online preview is carried out in the client.
7. device as claimed in claim 6, which is characterized in that described device further include:
Online display module: for calling RESTFUL API or SDK API in the client to the default document format
Destination document is shown online, to realize online preview.
8. device as claimed in claim 6, which is characterized in that described device further include:
Destination document receiving module: it for the upload request in response to client to destination document, receives the client and sends
Destination document；
Document format conversion module: for the document format of the destination document to be converted to default document lattice in storage cluster
Formula；
Destination document preserving module: for the destination document of the default document format to be stored in the storage cluster.
9. a kind of distributed objects storage system, which is characterized in that including client and storage cluster；
Wherein, the client is used to send the online preview request to destination document to storage cluster；
The storage cluster is used to obtain the destination document in response to the online preview request, by the text of the destination document
Shelves format is converted to default document format, and sends the client for the destination document of the default document format, so as to
In in the online preview of client progress, wherein the default document format is suitable for carrying out online preview in client
Document format.
10. distributed objects storage system as claimed in claim 9, which is characterized in that the client is also used to described
Storage cluster is sent to the upload request of destination document, and the storage cluster is used in response to the upload request, described in reception
The document format of the destination document is converted to default document format by the destination document that client is sent, and to described default
The destination document of document format is saved.
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| CN110582764A (en) * | 2019-07-11 | 2019-12-17 | 深圳市鹰硕技术有限公司 | file preview method, device and storage medium |
| WO2021003750A1 (en) * | 2019-07-11 | 2021-01-14 | 深圳市鹰硕技术有限公司 | File preview method, apparatus, and storage medium |
| CN110582764B (en) * | 2019-07-11 | 2022-11-15 | 深圳市鹰硕技术有限公司 | File preview method, device and storage medium |
| CN111694795A (en) * | 2020-05-07 | 2020-09-22 | 深圳市连用科技有限公司 | File online preview method, device, terminal and medium |
| CN113204525A (en) * | 2021-07-06 | 2021-08-03 | 深圳市知酷信息技术有限公司 | Document preview management system based on distributed storage system |
| CN113204525B (en) * | 2021-07-06 | 2021-09-24 | 深圳市知酷信息技术有限公司 | Document preview management system based on distributed storage system |
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