CN101216834B - File downloading method, system, device and server - Google Patents
File downloading method, system, device and server Download PDFInfo
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- CN101216834B CN101216834B CN200710308016A CN200710308016A CN101216834B CN 101216834 B CN101216834 B CN 101216834B CN 200710308016 A CN200710308016 A CN 200710308016A CN 200710308016 A CN200710308016 A CN 200710308016A CN 101216834 B CN101216834 B CN 101216834B
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Abstract
The invention discloses a file download method. The method includes the following steps: the file objective server obtains the source storage address of the target downloading file, the target downloading file information and the user information; the file objective server downloads the target downloading file from the source storage address and correspondingly stores the target downloading file, the target downloading file information and the user information for the file objective server returning the target downloading file according to the obtaining request. The invention also discloses a file download system, a file download device and a server, thus saving the local storage space.
Description
Technical field
The present invention relates to internet arena, relate in particular to a kind of document down loading method, system, device and server.
Background technology
The internet has played more and more important effect in daily life and work; People not only can browse to various information on the internet; And, can also download various files in order to repeatedly use in the future according to factors such as own interest or needs of work.
Document down loading method all is after the file downloaded software gets access to file source memory address and local memory address now, sets up the data path of said file source memory address and local memory address, and said file is downloaded in the local memory address.This downloaded software can be mounted in the downloading application software on the terminal, and the Internet user downloads to said file in the local memory address through said file source memory address and local memory address are provided to said downloading application software; In addition; This downloaded software can also be mounted in other softwares such as the download plug-in on MSN or the web browser; When the user uses said MSN or web browser; Trigger source memory address and the local memory address of submitting its downloaded files of wanting to through modes such as click right shortcut menus, said download plug-in is set up the data path of said file source memory address and local memory address, and said file is downloaded on the local memory address.
Visible by technique scheme; Existing document down loading method all is through source address of presenting a paper and local memory address; Set up the data path between said file source address and the local memory address, file is downloaded to the local memory address from the file source address through said data path.Because said file all is stored in the local memory address, therefore, these files have taken storage spaces a large amount of in the local terminal, and these storage spaces are of great value concerning the user.
Summary of the invention
In view of this, the purpose of the embodiment of the invention is to provide a kind of document down loading method, system, device and server, to save the storage space of local terminal.
For achieving the above object, the technical scheme of the embodiment of the invention specifically is achieved in that
A kind of document down loading method, the method comprising the steps of:
The file destination server obtains source memory address, desire foradownloaded video fileinfo and the user profile of desiring the foradownloaded video file;
The file destination server is downloaded from the memory address of said source and is desired the foradownloaded video file; Wherein, Said download is desired the foradownloaded video file and is comprised: the mode that the file destination server adopts sampling to download, and the part of the said desire foradownloaded video file of download from the memory address of said source, the desire file in download that this part of having downloaded is desired to have stored in foradownloaded video file and the file destination server travels through comparison; If the two satisfies pre-conditioned; Confirm that the two is identical, the file destination server stops to download the action of this desire foradownloaded video file, and sets up the corresponding relation of said desire foradownloaded video file and said desire foradownloaded video fileinfo and user profile;
The file destination server is judged the storage format of said video file according to the extension name of said video file; Convert said video file into predetermined storage format according to judged result; Said video file, desire foradownloaded video fileinfo and user profile after the storage conversion accordingly are used for the file destination server and return desire foradownloaded video file according to the request of obtaining;
The file destination server returns desire foradownloaded video file according to obtaining the desire foradownloaded video fileinfo and the user profile of carrying in the request, and wherein, said desire foradownloaded video fileinfo comprises shared classification information.
A kind of file download system, this system comprises file source server, file download apparatus and file destination server;
Said file source server is used for, and the foradownloaded video file is desired in storage, returns and desires the foradownloaded video file according to being received from the request of obtaining that the file destination server sends;
Said file download apparatus is used for, obtain and to the file destination server send to desire the foradownloaded video file the source memory address, desire foradownloaded video fileinfo and user profile;
Said file destination server is used for; Send the request of obtaining that carries said desire foradownloaded video fileinfo and user profile to said file source server according to said source memory address; From the memory address of said source, download and desire the foradownloaded video file; Judge the storage format of said video file according to the extension name of said video file; Convert said video file into predetermined storage format according to judged result, said video file, desire foradownloaded video fileinfo and user profile after the storage conversion are accordingly returned desire foradownloaded video file according to obtain the desire foradownloaded video file-sharing classification information and the user profile of carrying in the request that client is sent;
Wherein, Said file destination server also is used for; The mode that adopts sampling to download, the part of the said desire foradownloaded video file of download from the memory address of said source, desire file in download that this part of having downloaded is desired to have stored in foradownloaded video file and the file destination server travels through comparison; If the two satisfies pre-conditioned; Confirm that the two is identical, the file destination server stops to download the action of this desire foradownloaded video file, and sets up the corresponding relation of said desire foradownloaded video file and said desire foradownloaded video fileinfo and user profile.
A kind of file download apparatus, this document download apparatus comprises receiving element, download unit, storage unit and transmitting element;
Said receiving element is used for, and receives source memory address, desire foradownloaded video fileinfo and the user profile of desiring the foradownloaded video file, sends said source memory address to download unit, sends said desire foradownloaded video fileinfo and user profile to storage unit;
Said download unit is used for; From the source memory address that receiving element is sent, download and desire the foradownloaded video file; Said desire foradownloaded video file is issued storage unit, and wherein, said download is desired the foradownloaded video file and is comprised: the mode that adopts sampling to download; From the memory address of said source, download the part of said desire foradownloaded video file; The desire file in download that this part of having downloaded is desired to have stored in foradownloaded video file and the file destination server travels through comparison, and is pre-conditioned if the two satisfies, and confirms that the two is identical; Stop to download the action of this desire foradownloaded video file, and set up the corresponding relation of said desire foradownloaded video file and said desire foradownloaded video fileinfo and user profile;
Said storage unit is used for; Judge the storage format of said video file according to the extension name of said video file; Convert said video file into predetermined storage format according to judged result, said video file, desire foradownloaded video fileinfo and user profile after the storage conversion accordingly;
Said transmitting element is used for, and returns according to the request of obtaining that receives and desires the foradownloaded video file, and wherein, obtaining that said transmitting element receives comprises desire foradownloaded video file-sharing classification information and user profile in the request.
Visible by technique scheme, this document down loading method of the present invention, system, device and server are downloaded by the file destination server and the file download is desired in storage, return the desire file in download according to the request of obtaining, and therefore, have saved local storage space.
Description of drawings
Fig. 1 is the process flow diagram of the document down loading method that provides of the embodiment of the invention;
Fig. 2 is the structural drawing of the file download system that provides of the embodiment of the invention;
Fig. 3 is the structural drawing of the file download apparatus that provides of the embodiment of the invention;
Fig. 4 is the structural drawing of the server that provides of the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below with reference to the accompanying drawing preferred embodiment that develops simultaneously, to further explain of the present invention.
Embodiment one, and present embodiment provides a kind of document down loading method.
Fig. 1 is the process flow diagram of the said document down loading method of present embodiment.This method is specifically realized by following steps:
Particularly, this document method for down loading can also comprise the steps:
The file destination server obtains the source memory address of desiring file in download and comprises step: obtain the network address of desiring file in download place webpage, obtain the source memory address of said desire file in download according to said network address.
The file destination server obtains the source memory address of desiring file in download, desire file in download information and user profile can receive said source memory address that the file download apparatus sends, desire file in download information and user profile for: file destination server.
The source memory address of having stored in the inquiry file destination server before the file destination server download desire file in download; If this source memory address exists, then set up the memory location of said source memory address in said file destination server and the corresponding relation of said desire file in download information and user profile.
The file destination server is downloaded and desired further to comprise step before the file in download: the file destination server is inquired about the network address of having stored; If this network address exists; Then inquire about the source memory address of having stored; If this source memory address exists, then set up the corresponding relation of said source memory address and said desire file in download information and user profile; If this source memory address does not exist, then obtain the source memory address of said desire file in download, and set up the corresponding relation of said network address, source memory address and said desire file in download information and user profile according to said network address.
The file destination server is downloaded and is desired file in download; Storing said desire file in download, desire file in download information and user profile accordingly comprises: whether the file destination server is inquired about said desire file in download and is stored; If the corresponding relation of having stored and then set up said desire file in download, desiring file in download information and user profile, otherwise store said desire file in download, desire file in download information and user profile accordingly.
Particularly; The mode that the file destination server can adopt sampling to download earlier; From the memory address of said source, download the part of said desire file in download; The desire file in download that this part of having downloaded is desired to have stored in file in download and the file destination server travels through comparison, and is pre-conditioned if the two satisfies, and confirms that then the two is identical; The file destination server stops to download the action of this desire file in download, and sets up the corresponding relation of said desire file in download and said desire file in download information and user profile.
The file destination server also can be downloaded the whole of said desire file in download earlier from the memory address of said source; The desire file in download of relatively having stored in this desire file in download and the file destination server travels through comparison; If the two satisfies pre-conditioned; Confirm that then the two is identical, sets up the corresponding relation of said desire file in download of having stored and said desire file in download information and user profile.
Illustrate: desire file in download and adopt the subpackage storage mode to be stored in the memory address of source; The file destination server can be downloaded the 1st packet of this desire file in download, the 5th packet earlier, (said 1,5,10 are merely for example the 10th packet; Be not to be used to limit the present invention); The file destination server compares the desire file in download of having stored in above-mentioned three packets and the file destination server; If comprise above-mentioned 3 packets in the same desire file in download of having stored; Then confirm the two identical, as to stop to download this desire file in download action, set up the corresponding relation of this desire file in download of having stored and said desire file in download information and user profile.
The file destination server is stored accordingly and desired further to comprise step before file in download, desire file in download information and the user profile: the file destination server converts said desire file in download into predetermined storage format, and according to said predetermined format storage.
The file destination server is stored accordingly and desired file in download, desires further to comprise after file in download information and the user profile: the file destination server returns the desire file in download according to obtaining the desire file in download information of carrying in the request and/or user profile and/or storing format informations.
In instant communication server, be example with instant communication user foradownloaded video file from various video sharing websites below, introduce the described document down loading method of Fig. 1 in detail.
Instant communication user is installed this file download apparatus of video file download plug-in in web browser or MSN; This file download apparatus of video file downloaded software perhaps is installed in client; Said file download apparatus obtains desires file in download information; Obtain the network address of desiring file in download place webpage; Submit the user profile of said desire file in download information, said network address, this user's log-in instant communication client to said downloaded software or download plug-in with modes such as dialog boxes; Said desire file in download information comprises and is not limited to one or more in the following message: desire the file in download title, desire file in download classification (this classification is by User Defined, like Sport Class or video display classification), desire the file in download storing format informations, desire file in download and share classification information.After file download apparatus such as said downloaded software or download plug-in get access to above-mentioned information with user's way of submission; After receiving the submission triggering; Above-mentioned information is submitted to said file destination server for files stored destination server address; In the present embodiment, said file destination server is an instant communication server.
After instant communication server receives said desire file in download information, said network address and user profile, can further obtain the source memory address of said desire file in download, and from the memory address of said source, download this video file according to said network address.
The source memory address of obtaining said file according to the network address of file place webpage is a prior art, repeats no more here.
After the file destination server is downloaded from the memory address of said source and desired file in download, store said desire file in download accordingly, desire file in download information and user profile, be used for the file destination server and return the desire file in download according to the request of obtaining.
The method of illustrating below and store said desire file in download accordingly, desiring file in download information and user profile: set up the file storage tabulation; This tabulation with said user profile be root directory (preferably; With the user account number in the user profile as root directory); Is sub-directory according to predetermined format with said desire file in download information, sets up the file storage data bank, in this document data on file storehouse according to the said desire file in download of said file storage list storage.Set up the memory location of said desire file in download in this document data on file storehouse and the corresponding relation of said file storage tabulation, can inquire about and get access to files stored in the said data bank according to said file storage tabulation.
After instant communication server receives said network address, from said network address, filtering the download address draw said video file and before the said download address foradownloaded video file, may further include following step:
Verify whether said network address has been stored in the said instant communication server; If preserve; Then setting up in said identify label and corresponding relation according to the memory location of file in said data bank of said website, download as the tabulation of the file storage of root directory; If do not preserve; Then from said network address, filter the download address that draws said desire file in download; Verify whether said download address has been stored in the said instant communication server,, then setting up in said identify label and corresponding relation according to the memory location of said download address downloaded files in said data bank as the tabulation of the file storage of root directory if preserve; If do not preserve; Then from said download address, said desire file in download is downloaded in the said instant communication server, and is adding said network address and said download address in as the tabulation of the file storage of root directory with said identify label as sub-directory, with said desire file in download store in the data bank with the corresponding memory location of said sub-directory on.
Can further include following step before the video file that the instant communication server storage is downloaded: instant communication server calls the storage format that the file type conversion program is changed said video file, and said video file is stored according to said storage format.For example; The video file that instant communication server is downloaded from the video sharing website is the video file of FLV storage format; Instant communication server just can call Mencoder so; These file type conversion programs such as Ffmpeg, embedded type C program convert the video file of this FLV storage format the video file of the storage format that manufacturers of mainstream media such as 3GP, RM, WMV are supported into, then with the video file storage after the video file of said FLV storage format and the conversion in said data bank.Instant communication server calls before the file type conversion program changes the storage format of said video file; Can also judge the storage format of said video file earlier through modes such as check extension name; And then carry out type conversion according to the result of said judgement; If such as the video file of downloading from video website is the video file of 3GP storage format; After instant communication server learns that through the extension name of checking this video file the storage format of this video file is 3GP so; Will call the storage format converse routine that converts the 3GP storage format into other storage formats said video file is carried out the storage format conversion, and the result of said video file and the conversion of said storage format is together stored in the said data bank.
The concrete grammar that file is carried out format conversion belongs to prior art, repeats no more here.
Store accordingly at the file destination server desire file in download, desire file in download information and user profile after, the file destination server can also basis obtains the desire file in download information of carrying in the request and/or user profile and/or storing format informations and returns the desire file in download.For example; The file destination server receives obtains the classification " physical culture " that carries user account number 1234 in the request, desires file in download, the storage format " 3GP " of desiring file in download; Then; File destination server inquiry file classification in tabulating as the file storage of root directory with user account number 1234 is that " physical culture ", storage format are the memory address of desire file in download in the documentation storehouse of " 3GP ", returns the desire file in download.Said user account number is generally user's identify label.
Embodiment two, and present embodiment provides a kind of file download system.
Fig. 2 can be known by Fig. 2 that for the structural drawing of the file download system that present embodiment provided this document download system comprises file source server 201, file download apparatus 202 and file destination server 203.
Embodiment three, and present embodiment provides a kind of file download apparatus.
Fig. 3 is for the structural drawing of the file download apparatus that present embodiment provided, and is as shown in Figure 3, and this device comprises fileinfo acquiring unit 301 and fileinfo commit unit 302.
Fileinfo commit unit 302 is used for, receive submit to trigger after, send to said fileinfo acquiring unit 301 and to submit indication to.
Embodiment four, and present embodiment provides a kind of server.
Fig. 4 can be known by Fig. 4 that for the structural drawing of the server that present embodiment provided this server comprises receiving element 401, download unit 402, storage unit 403 and transmitting element 404.
Receiving element 401 is used for; Receive and send the source memory address of desiring file in download, desire file in download information and user profile to download unit 402; Send said source memory address to download unit 402, send said desire file in download information and user profile to storage unit 403.
Transmitting element 404 is used for, and returns the desire file in download according to the request of obtaining that receives.
Receiving element 404 can further include; The module that is used to receive the network address of desiring file in download place webpage and sends said network address to said download unit; Download unit 402 can further include, and is used for obtaining according to said network address the module of the source memory address of said desire file in download.
Transmitting element 404 can further include, and desire file in download information that is used for carrying according to the request of obtaining and/or user profile and/or storing format informations return the unit of desiring file in download.
Illustrate transmitting element 404 and return the desire file in download according to obtaining the desire file in download information of carrying in the request and/or user profile and/or storing format informations:
Store accordingly in the instant communication server and desire file in download, desire file in download information and user profile, said desire file in download is a video file, comprises shared classification information in the said desire file in download information.
After instant communication client receives the login triggering; Send the request of obtaining that carries user profile to instant communication server; Instant communication server returns video file according to this request of obtaining to instant communication client, or said video file is presented on the instant messaging website.Further illustrate:
The video file of storing in the instant communication server comprises the video file b with user profile B corresponding stored,, and the shared classification information of this video file b is " good friend shares "; Also store the good friend's relation between each user profile; So if the user profile of obtaining in the request that receives of instant communication server is user profile A, then instant communication server concerns and returns video file through inquiring about its good friend who stores, for example; If user profile A and user profile B are that the good friend concerns; Comprise video file b in the video file that then returns, if not good friend's relation is not then returned said video file b.If the said request of obtaining is triggered and sent by landing of receiving of instant messaging website, then said video file is not presented in the instant messaging website on the webpage with user profile A login.
Visible by technique scheme, this document down loading method of the present invention, system, device and server are downloaded by the file destination server and the file download is desired in storage, return the desire file in download according to the request of obtaining, and therefore, have saved local storage space.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, all any modifications of within spirit of the present invention and principle, being made, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. document down loading method is characterized in that the method comprising the steps of:
The file destination server obtains source memory address, desire foradownloaded video fileinfo and the user profile of desiring the foradownloaded video file;
The file destination server is downloaded from the memory address of said source and is desired the foradownloaded video file; Wherein, Said download is desired the foradownloaded video file and is comprised: the mode that the file destination server adopts sampling to download, and the part of the said desire foradownloaded video file of download from the memory address of said source, the desire file in download that this part of having downloaded is desired to have stored in foradownloaded video file and the file destination server travels through comparison; If the two satisfies pre-conditioned; Confirm that the two is identical, the file destination server stops to download the action of this desire foradownloaded video file, and sets up the corresponding relation of said desire foradownloaded video file and said desire foradownloaded video fileinfo and user profile;
The file destination server is judged the storage format of said video file according to the extension name of said video file; Convert said video file into predetermined storage format according to judged result; Said video file, desire foradownloaded video fileinfo and user profile after the storage conversion accordingly are used for the file destination server and return desire foradownloaded video file according to the request of obtaining;
The file destination server returns desire foradownloaded video file according to obtaining the desire foradownloaded video fileinfo and the user profile of carrying in the request, and wherein, said desire foradownloaded video fileinfo comprises shared classification information.
2. method according to claim 1 is characterized in that, the said source memory address of desiring the foradownloaded video file of obtaining comprises:
Obtain the network address of desiring foradownloaded video file place webpage, obtain the source memory address of said desire foradownloaded video file according to said network address.
3. method according to claim 1 is characterized in that, said file destination server obtains the source memory address of desiring the foradownloaded video file, desire the foradownloaded video fileinfo and user profile comprises:
The file destination server receives said source memory address, desire foradownloaded video fileinfo and the user profile that the file download apparatus is sent.
4. method according to claim 1 is characterized in that, said download is desired further to comprise before the foradownloaded video file:
The source memory address that the inquiry of file destination server has been stored if this source memory address exists, is then set up the memory location of said source memory address in said file destination server and the corresponding relation of said desire foradownloaded video fileinfo and user profile.
5. like the said method of claim 2, it is characterized in that said download is desired further to comprise before the foradownloaded video file:
The network address that the inquiry of file destination server has been stored if this network address exists, is then inquired about the source memory address of having stored, if this source memory address exists, then sets up the corresponding relation of said source memory address and said desire foradownloaded video fileinfo and user profile;
If this source memory address does not exist, then obtain the source memory address of said desire foradownloaded video file, and set up the corresponding relation of said network address, source memory address and said desire foradownloaded video fileinfo and user profile according to said network address.
6. a file download system is characterized in that, this system comprises file source server, file download apparatus and file destination server;
Said file source server is used for, and the foradownloaded video file is desired in storage, returns and desires the foradownloaded video file according to being received from the request of obtaining that the file destination server sends;
Said file download apparatus is used for, obtain and to the file destination server send to desire the foradownloaded video file the source memory address, desire foradownloaded video fileinfo and user profile;
Said file destination server is used for; Send the request of obtaining that carries said desire foradownloaded video fileinfo and user profile to said file source server according to said source memory address; From the memory address of said source, download and desire the foradownloaded video file; Judge the storage format of said video file according to the extension name of said video file; Convert said video file into predetermined storage format according to judged result, said video file, desire foradownloaded video fileinfo and user profile after the storage conversion are accordingly returned desire foradownloaded video file according to obtain the desire foradownloaded video file-sharing classification information and the user profile of carrying in the request that client is sent;
Wherein, Said file destination server also is used for; The mode that adopts sampling to download, the part of the said desire foradownloaded video file of download from the memory address of said source, desire file in download that this part of having downloaded is desired to have stored in foradownloaded video file and the file destination server travels through comparison; If the two satisfies pre-conditioned; Confirm that the two is identical, the file destination server stops to download the action of this desire foradownloaded video file, and sets up the corresponding relation of said desire foradownloaded video file and said desire foradownloaded video fileinfo and user profile.
7. a file download apparatus is characterized in that, this document download apparatus comprises receiving element, download unit, storage unit and transmitting element;
Said receiving element is used for, and receives source memory address, desire foradownloaded video fileinfo and the user profile of desiring the foradownloaded video file, sends said source memory address to download unit, sends said desire foradownloaded video fileinfo and user profile to storage unit;
Said download unit is used for; From the source memory address that receiving element is sent, download and desire the foradownloaded video file; Said desire foradownloaded video file is issued storage unit, and wherein, said download is desired the foradownloaded video file and is comprised: the mode that adopts sampling to download; From the memory address of said source, download the part of said desire foradownloaded video file; The desire file in download that this part of having downloaded is desired to have stored in foradownloaded video file and the file destination server travels through comparison, and is pre-conditioned if the two satisfies, and confirms that the two is identical; Stop to download the action of this desire foradownloaded video file, and set up the corresponding relation of said desire foradownloaded video file and said desire foradownloaded video fileinfo and user profile;
Said storage unit is used for; Judge the storage format of said video file according to the extension name of said video file; Convert said video file into predetermined storage format according to judged result, said video file, desire foradownloaded video fileinfo and user profile after the storage conversion accordingly;
Said transmitting element is used for, and returns according to the request of obtaining that receives and desires the foradownloaded video file, and wherein, obtaining that said transmitting element receives comprises desire foradownloaded video file-sharing classification information and user profile in the request.
8. file download apparatus as claimed in claim 7 is characterized in that,
Said receiving element further comprises, the module that is used to receive the network address of desiring foradownloaded video file place webpage and sends said network address to said download unit;
Said download unit further comprises, is used for obtaining according to said network address the module of the source memory address of said desire foradownloaded video file.
9. like the said file download apparatus of claim 8, it is characterized in that,
Said download unit further comprises; Be used for sending said network address to said storage unit; Receive after there is indication in network address that said storage unit sends, send the source memory address of obtaining according to said network address, receive after there is not indication in source memory address that storage unit sends to said storage unit; From the memory address of said source, download the unit of desiring the foradownloaded video file
And, after being used to receive network address that said storage unit sends and not having indication, from the source memory address of obtaining according to said network address, download the unit of desiring the foradownloaded video file;
Said storage unit further comprises; Whether be used to inquire about the network address that said download unit sends stores; If network address is stored, then send network address and have indication, and set up the unit of the corresponding relation of said network address and said desire foradownloaded video fileinfo and user profile to said download unit; And be used to inquire about the source memory address that said download unit sends and whether store, if the source memory address is stored, then set up the unit of the corresponding relation of said source memory address and said desire foradownloaded video fileinfo and user profile.
10. file download apparatus as claimed in claim 9 is characterized in that,
Said storage unit further comprises; Whether be used to inquire about said desire foradownloaded video file stores; If the corresponding relation of having stored and then set up said desire foradownloaded video file, desiring foradownloaded video fileinfo and user profile, otherwise store the unit of said desire foradownloaded video file, desire foradownloaded video fileinfo and user profile accordingly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710308016A CN101216834B (en) | 2007-12-29 | 2007-12-29 | File downloading method, system, device and server |
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| CN200710308016A CN101216834B (en) | 2007-12-29 | 2007-12-29 | File downloading method, system, device and server |
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| CN101216834A CN101216834A (en) | 2008-07-09 |
| CN101216834B true CN101216834B (en) | 2012-09-05 |
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| CN101901619B (en) * | 2010-07-16 | 2012-10-17 | 复旦大学 | Video player for enhancing user experience based on video content epitome |
| CN103020192B (en) * | 2012-12-03 | 2016-08-17 | 东莞宇龙通信科技有限公司 | A kind of method and system browsing file |
| CN103905501A (en) * | 2012-12-27 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | File downloading system and method |
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