CN102970325A - File upload method and system - Google Patents
File upload method and system Download PDFInfo
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- CN102970325A CN102970325A CN2012103947413A CN201210394741A CN102970325A CN 102970325 A CN102970325 A CN 102970325A CN 2012103947413 A CN2012103947413 A CN 2012103947413A CN 201210394741 A CN201210394741 A CN 201210394741A CN 102970325 A CN102970325 A CN 102970325A
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Abstract
The invention provides a file upload method and a system. The method includes loading an Active X object for uploading a file when a control for uploading the file is not locally loaded; starting the Active X object; and when the file to be uploaded is acquired, calling the Active X object to upload the file.
Description
Technical field
The present invention relates to computer application field, relate in particular to a kind of file uploading method and system.
Background technology
The upload function of file is very general in based on the development mode of B/S.It allows the upload file of user end to server end, no matter but adopt which kind of development language, just can realize uploading behind the file that mostly all needs the client user to select to upload by document uploading control.In today of cloud computing technology fast development, data service presents that data volume is large, file operation trend frequently, and traditional File Upload mode can not satisfy our demand.
At present, mainly contain dual mode based on the File Upload of web mode: namely adopt http protocol and File Transfer Protocol to realize, wherein:
At first to adopting http protocol to realize that File Upload describes:
Among the Html in the past, list can not be realized uploading of file, and how much this has limited the function of some webpages.RFC1867 standard (being the File Upload of realizing among the Html based on list) his-and-hers watches nonoculture has gone out expansion, has increased a Form Element＜input type=file 〉.By using this element, browser can generate an input frame and a button automatically, and input frame can be filled in local filename and pathname for the user, and button can allow browser open a file choice box for the user selection file.Its upload procedure is as follows:
The file that step 1, client user's selection will be uploaded
Step 2, server obtain the data flow that user end to server sends
The file format that step 3, analysis are uploaded
Step 4, according in the file destination of analysis result with a plurality of files successively export server end.
Secondly, adopt File Transfer Protocol to realize uploading of a plurality of files
And File Transfer Protocol is the agreement that is used for transmitting file on the Internet, has stipulated the standard that the upper file of Internet transmits mutually.The specific implementation process:
Step 1, connect with ftp server;
The transmission means of step 2, initialization files comprises ASCII and BINARY dual mode;
Step 3, with file output in file input stream;
Data in step 4, the inlet flow are read in the byte arrays;
Data in step 5, the byte arrays write output stream (writing data on the network linking).
Just copied to server end with a source file file of the same name like this.
We can find out and utilize the http protocol upload file need to use document uploading control by above dual mode, and are then helpless for the File Upload that does not adopt document uploading control; Adopt File Transfer Protocol to realize that uploading of a plurality of files is fairly simple, realize easily.Generally be the program of the client of writing, but the safety of server end arrange can more complicated.In addition, FTP also has following shortcoming: data-transmission mode is unreasonable, working method design is unreasonable,, cryptosecurity strategy imperfection inharmonious with fire compartment wall work and efficiency of transmission are low etc., has had the scholar to propose the viewpoint that file transfer protocol (FTP) (FTP) will be withered away.Based on above analysis, how a kind of automation File Upload scheme is provided is the technical problem that needs to be resolved hurrily.
Wherein document uploading control refers to the Form Element＜input type=file in the html language 〉.
Summary of the invention
The invention provides a kind of file uploading method and system, the technology technical problem that solve is in the system based on the B/S framework, how to realize the upload function of file in the situation that does not adopt document uploading control
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of file uploading method comprises:
When not loading the control for upload file in this locality, load an ActiveX object that is used for upload file;
Enable described ActiveX object;
After getting access to file to be uploaded, call described ActiveX object upload file.
Preferably, described method also has following features: described ActiveX object also is used for file conversion to be uploaded is become the character stream of binary system or 16 systems.
Preferably, described method also has following features: described method also comprises:
Obtain server and ActiveX object is allowed the configuration of the file uploaded;
Describedly call described ActiveX object upload file, comprising:
After obtaining file to be uploaded, allow the file uploaded according to the server that obtains in advance, judge that described to be uploaded whether the permission upload;
Only when allowing to upload, file conversion to be uploaded is become binary-coded character stream.
Preferably, described method also has following features: the routing information of described file to be uploaded obtains in the following way:
Mode one: read the routing information that writes in advance;
Mode two: the information that receives the path of user's input.
A kind of file uploading system comprises:
Charger when being used for not loading in this locality the control for upload file, loads an ActiveX object that is used for upload file;
Enable device, link to each other with described charger, be used for enabling described ActiveX object;
Calling device is used for calling described ActiveX object upload file after getting access to file to be uploaded.
Preferably, described system also has following features: described ActiveX object also is used for file conversion to be uploaded is become the character stream of binary system or 16 systems.
Preferably, described system also has following features:
Described system also comprises:
Deriving means is used for obtaining server allows the file uploaded to ActiveX object configuration;
Described calling device comprises:
Judge module is used for after obtaining file to be uploaded, allows the file uploaded according to the server that obtains in advance, judges that described to be uploaded whether the permission upload;
Modular converter only is used for when allowing to upload file conversion to be uploaded being become binary-coded character stream.
Preferably, described system also has following features:, the routing information of described file to be uploaded obtains in the following way:
Mode one: read the routing information that writes in advance;
Mode two: the information that receives the path of user's input.
Owing to can freely be loaded in the browser by ActiveX object, if load one can upload file ActiveX object, when then not loading the control for upload file in this locality, just can realize uploading file by calling this object.
Further, transfer file to be uploaded to binary system or hexadecimal character stream if load ActiveX object, realize uploading of file by transmitting this character stream.
Description of drawings
Fig. 1 is the schematic flow sheet of file uploading method embodiment provided by the invention;
Fig. 2 is the structural representation of file uploading system embodiment provided by the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.Need to prove that in the situation of not conflicting, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Fig. 1 is the schematic flow sheet of file uploading method embodiment provided by the invention.Embodiment of the method shown in Figure 1 comprises:
Owing to can freely be loaded in the browser by ActiveX object, if load the ActiveX object of an energy upload file, then in the situation of not using control on the file, just can realize uploading file by calling this object.
Different from transmission character stream in the prior art, file is carried out with binary-coded character stream
Optionally, when using ActiveX object to carry out File Upload, in order to reduce the data volume of uploading, described ActiveX object also is used for file conversion to be uploaded is become the character stream of binary system or 16 systems.
Consider that it is that client oneself triggers that ActiveX object is uploaded to server, if client upload virus document etc., can directly affect the normal operation of server.Therefore following improvement project is proposed:
Described method also comprises:
Obtain server and ActiveX object is allowed the configuration of the file uploaded;
Describedly call described ActiveX object upload file, comprising:
After obtaining file to be uploaded, allow the file uploaded according to the server that obtains in advance, judge that described to be uploaded whether the permission upload;
Only when allowing to upload, file conversion to be uploaded is become binary-coded character stream.
Wherein, the routing information of described file to be uploaded obtains in the following way:
Mode one: the routing information that writes in advance; For example, when writing the code of ActiveX object, write paths information on its code, when this ActiveX object was carried out, nature can read routing information;
Mode two: the information that receives the path of user's input; For example, eject a dialog, allow user's input path information in dialog box.
Certainly, for server, with identical in the prior art, receive file parameters after, the file of the same name that file parameters is saved as with form gets final product, and repeats no more herein.
Embodiment of the method provided by the invention provide a kind of based on the web mode not dependent file select the automation file uploading method of control, client does not need select File to select control only need to provide the absolute path of client file can realize that the automation of file uploads, only be implemented in easily in the situation that does not need user intervention the absolute path of specified document and carry out File Upload, or the batch of a plurality of files is uploaded.
Fig. 2 is the structural representation of file uploading system embodiment provided by the invention.System shown in Figure 2 embodiment comprises:
Enable device 202, link to each other with described charger 201, be used for enabling described ActiveX object;
Calling device 203 is used for calling described ActiveX object upload file after getting access to file to be uploaded.
Wherein, described ActiveX object also is used for file conversion to be uploaded is become the character stream of binary system or 16 systems.
Optionally, described system also comprises:
Deriving means is used for obtaining server allows the file uploaded to ActiveX object configuration;
Described calling device 203 comprises:
Judge module is used for after obtaining file to be uploaded, allows the file uploaded according to the server that obtains in advance, judges that described to be uploaded whether the permission upload;
Modular converter only is used for when allowing to upload file conversion to be uploaded being become binary-coded character stream.
Wherein, the routing information of described file to be uploaded obtains in the following way:
Mode one: read the routing information that writes in advance;
Mode two: the information that receives the path of user's input.
Owing to can freely be loaded in the browser by ActiveX object, if load one can upload file ActiveX object, when then not loading the control for upload file in this locality, just can realize uploading file by calling this object.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection range of claim.
Claims (8)
1. a file uploading method is characterized in that, comprising:
When not loading the control for upload file in this locality, load an ActiveX object that is used for upload file;
Enable described ActiveX object;
After getting access to file to be uploaded, call described ActiveX object upload file.
2. method according to claim 1 is characterized in that, described ActiveX object also is used for file conversion to be uploaded is become the character stream of binary system or 16 systems.
3. method according to claim 1 is characterized in that, described method also comprises:
Obtain server and ActiveX object is allowed the configuration of the file uploaded;
Describedly call described ActiveX object upload file, comprising:
After obtaining file to be uploaded, allow the file uploaded according to the server that obtains in advance, judge that described to be uploaded whether the permission upload;
Only when allowing to upload, file conversion to be uploaded is become binary-coded character stream.
4. method according to claim 1 is characterized in that, the routing information of described file to be uploaded obtains in the following way:
Mode one: read the routing information that writes in advance;
Mode two: the information that receives the path of user's input.
5. a file uploading system is characterized in that, comprising:
Charger when being used for not loading in this locality the control for upload file, loads an ActiveX object that is used for upload file;
Enable device, link to each other with described charger, be used for enabling described ActiveX object;
Calling device is used for calling described ActiveX object upload file after getting access to file to be uploaded.
6. system according to claim 5 is characterized in that, described ActiveX object also is used for file conversion to be uploaded is become the character stream of binary system or 16 systems.
7. system according to claim 5 is characterized in that:
Described system also comprises:
Deriving means is used for obtaining server allows the file uploaded to ActiveX object configuration;
Described calling device comprises:
Judge module is used for after obtaining file to be uploaded, allows the file uploaded according to the server that obtains in advance, judges that described to be uploaded whether the permission upload;
Modular converter only is used for when allowing to upload file conversion to be uploaded being become binary-coded character stream.
8. system according to claim 5 is characterized in that, the routing information of described file to be uploaded obtains in the following way:
Mode one: read the routing information that writes in advance;
Mode two: the information that receives the path of user's input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103947413A CN102970325A (en) | 2012-10-17 | 2012-10-17 | File upload method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103947413A CN102970325A (en) | 2012-10-17 | 2012-10-17 | File upload method and system |
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| CN2012103947413A Pending CN102970325A (en) | 2012-10-17 | 2012-10-17 | File upload method and system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103235792A (en) * | 2013-03-29 | 2013-08-07 | 东莞宇龙通信科技有限公司 | Method and device for operating file |
| CN104079572A (en) * | 2014-06-27 | 2014-10-01 | 南京铱迅信息技术有限公司 | Website protection method based on character conversion from client to server |
| CN104599296A (en) * | 2013-10-31 | 2015-05-06 | 南京思润软件有限公司 | Realization method for uploading and compressing pictures on batch on the basis of jspsmartupload |
| CN105306523A (en) * | 2015-08-17 | 2016-02-03 | 成都飞机设计研究所 | Method for sending file from browser to server |
| CN105407120A (en) * | 2014-09-15 | 2016-03-16 | 上海天脉聚源文化传媒有限公司 | Method, device and system for transmitting image based on WEB client |
| CN111352904A (en) * | 2020-03-04 | 2020-06-30 | 海南金盘智能科技股份有限公司 | Method and device for replacing model file |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103235792A (en) * | 2013-03-29 | 2013-08-07 | 东莞宇龙通信科技有限公司 | Method and device for operating file |
| CN104599296A (en) * | 2013-10-31 | 2015-05-06 | 南京思润软件有限公司 | Realization method for uploading and compressing pictures on batch on the basis of jspsmartupload |
| CN104079572A (en) * | 2014-06-27 | 2014-10-01 | 南京铱迅信息技术有限公司 | Website protection method based on character conversion from client to server |
| CN105407120A (en) * | 2014-09-15 | 2016-03-16 | 上海天脉聚源文化传媒有限公司 | Method, device and system for transmitting image based on WEB client |
| CN105306523A (en) * | 2015-08-17 | 2016-02-03 | 成都飞机设计研究所 | Method for sending file from browser to server |
| CN111352904A (en) * | 2020-03-04 | 2020-06-30 | 海南金盘智能科技股份有限公司 | Method and device for replacing model file |
| CN111352904B (en) * | 2020-03-04 | 2023-05-05 | 海南金盘智能科技股份有限公司 | Method and device for replacing model file |
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Application publication date: 20130313 |