CN102088696B - Method and system for downloading large file from target server by mobile terminal - Google Patents
Method and system for downloading large file from target server by mobile terminal Download PDFInfo
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Abstract
The invention provides a method for downloading a large file from a target server which does not support sectioned downloading by a mobile terminal. The method comprises the following steps: before the large file is downloaded from the target server which does not support sectioned downloading, the mobile terminal firstly sends the download link of the target server to a proxy server; the network of the proxy server does not limit the size of a gateway file and supports sectioned downloading; the proxy server accesses the target server and downloads the large file; and after the proxy server receives the large file, the large file is downloaded by section from the proxy server by the mobile terminal. The invention can solve the problem that the mobile terminal has difficulty in downloading the large file from the target server which does not support sectioned downloading, so that the mobile terminal can obtain a required large file from the target server by the middle proxy server which supports sectioned downloading, thereby satisfying the requirement of the mobile terminal for downloading the large file.
Description
Technical field
The present invention relates to mobile browser large files downloading field, more specifically, relate to a kind of method and system solving the destination server download large files that mobile terminal never supports segmentation to download.
Background technology
Along with the progress of society and the development of technology, people use the mobile obtaining information that enters the Internet wirelessly that accesses terminal more and more.At present, existing mobile terminal adopts the mode of wireless narrow band access to carry out network insertion usually, compared with the broadband access that computer end uses, the data transmission rate of wireless narrow band access is little, thus, when downloading same file, the time required for wireless narrow band access will be longer than broadband access far away.
In addition, the connective stability of wireless narrow band access is poor.Therefore, performing in the data transmission procedure continued, having greater probability and occurring disconnecting, and then causing data-transmission interruptions.And, along with the duration of transfer of data increases, the probability that disconnecting occurs is also larger, under the impact of this factor, carried out the download of large files by mobile terminal, just need segmentation to carry out, the size of each segmentation needs the file size that can not exceed carrier gateway restriction, and can segmentation download file format be different from common file format, wherein need to comprise segment information.
When utilizing network by mobile terminal to access, Domestic Carriers mainly provides following two kinds of narrow band access modes, and a kind of mode is that transfer of data (such as will move cmwap, UNICOM 3gwap by carrier server transfer, telecommunications uinwap), be usually referred to as " transfer mode "; Another kind of mode is that transfer of data does not need (such as to move cmnet by carrier server transfer, UNICOM 3gwnet, telecommunications uinnet, WiFi), usually be referred to as " direct-connected pattern ", wherein " transfer mode " is larger than the popularity rate of " direct-connected pattern ".
But when carrying out web download, the gateway of part operator can limit the size of single download file, if exceeded this limits value, will cause this file failed download.Such as, if the size of single download file exceedes the limits value (as 1M) of gateway, then can think that this file download such as causes failed download due to time-out.Therefore, if the user of existing mobile terminal uses " transfer mode " access network, then when downloading large files, probably there is file download failure.
Although segmentation download can make mobile phone users download to exceed the file that gateway limits size, but not all target resource server all supports segmentation download function, if target resource server does not support that segmentation is downloaded, then disposable whole file can be passed to mobile terminal, thus causing this large files to be abandoned by carrier gateway, mobile terminal finally cannot successfully download this file.
Summary of the invention
In view of the above problems, the user that the object of the invention is to solve mobile terminal when downloading the large files exceeding gateway restriction size to target resource server, because target resource server does not support that segmentation is downloaded and the problem successfully cannot downloading this large files that causes.
According to an aspect of the present invention, provide the method for the destination server download large files that a kind of mobile terminal never supports segmentation to download, comprising:
Before downloading large files from the described destination server not supporting segmentation to download, the download link of described destination server is first sent to proxy server by mobile terminal, and the network of described proxy server is not to the restriction of gateway files size and support that segmentation is downloaded;
Described proxy server access destination server also carries out the download of large files;
After described proxy server receives described large files, mobile terminal downloads described large files from described proxy server segmentation.
Further, after described proxy server receives described large files, by the subfile that described large files matches according to the download capabilities that the download capabilities of mobile terminal is divided into multiple and described mobile terminal.
Moreover, described mobile terminal is before sending to proxy server by the download link of described destination server, first judge whether the file that will download exceeds the restriction of the file size that mobile terminal can be downloaded, if the file downloaded does not exceed the restriction of the file size that mobile terminal can be downloaded, then can directly from destination server downloading object file; If the file downloaded exceeds the restriction of the file size that mobile terminal can be downloaded, then judge whether described destination server supports that segmentation is downloaded further; If described destination server supports that segmentation is downloaded, then direct from described destination server downloading object file; Otherwise the download of described large files is carried out by described proxy server.
According to a further aspect in the invention, provide a kind of large files download system, comprise mobile terminal, destination server and proxy server, wherein,
Described destination server is the destination server not supporting that segmentation is downloaded;
The network of described proxy server is not to the restriction of gateway files size and support that segmentation is downloaded;
Described mobile terminal is before downloading large files from the described destination server not supporting segmentation to download, first the download link of described destination server is sent to proxy server, by described proxy server access destination server and after carrying out the download of large files, mobile terminal downloads described large files from described proxy server segmentation again.
Above-mentioned mobile terminal according to the present invention is utilized to download the method and system of large files from destination server, the problem of the destination server download large files that mobile terminal is difficult to never support segmentation to download can be overcome, make mobile terminal obtain the large files of needs from destination server by means of the intermediate proxy server of support segmentation download, the large files meeting mobile terminal downloads demand.
In order to realize above-mentioned and relevant object, will describe in detail and the feature particularly pointed out in the claims after one or more aspect of the present invention comprises.Explanation below and accompanying drawing describe some illustrative aspects of the present invention in detail.But what these aspects indicated is only some modes that can use in the various modes of principle of the present invention.In addition, the present invention is intended to comprise all these aspects and their equivalent.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present invention, other object of the present invention and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 shows the method flow diagram that the destination server never supporting segmentation to download according to mobile terminal of the present invention downloads large files; And
Fig. 2 shows the block diagram according to large files download system of the present invention.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
Below with reference to accompanying drawing, specific embodiments of the invention are described in detail.
The problem of large files is never supported the server that segmentation is downloaded is downloaded in order to solve mobile terminal, the present invention is provided with the intermediate proxy server supporting that segmentation is downloaded between mobile terminal and destination server, the network of this proxy server does not have the restriction of file size, can successfully download mobile terminal cannot the large files of disposable download, and then by this large files segment transmissions to mobile terminal.In statement of the present invention, large files refers to the file exceeding the file size that mobile terminal operator gateway limits, alternatively be above the file of the disposable file size that can download of mobile terminal, such as the file size of CMWAP gateway restriction is 1M, all be called as large files more than the file of 1M, disposable download can not be supported.
Mobile terminal in the present invention refers to portable network access device, as mobile phone, PDA etc., general meeting disposable (not segmentation) cannot download the file exceeding a certain size due to the reason of Virtual network operator and terminal itself, otherwise can cause the loss of institute's download file.
Fig. 1 shows the method flow diagram that the destination server never supporting segmentation to download according to mobile terminal of the present invention downloads large files.As shown in Figure 1, method of the present invention comprises the steps:
S110: before the destination server downloaded never supporting segmentation downloads large files, the download link of described destination server is first sent to proxy server by mobile terminal; The network of proxy server is not wherein to the restriction of gateway files size and support that segmentation is downloaded;
S120: the download link access destination server that proxy server sends according to mobile terminal also carries out the download of large files;
S130: after proxy server receives downloaded large files, mobile terminal downloads this large files from proxy server segmentation.
Particularly, exemplarily, when accessing a certain webpage by browser of mobile terminal and after clicking download link, the background server of mobile terminal will send to specific proxy server this download link, network residing for this proxy server is not to the restriction of gateway files, namely the network of proxy server does not limit for the size of transfer files, and this proxy server supports that the segmentation of large files is downloaded; Like this, proxy server is after receiving the download link that mobile terminal sends, namely download according to this download link access destination website, because the size of network to transfer files of proxy server does not limit, therefore, even if targeted sites does not support that the segmentation of large files is downloaded, this proxy server successfully can download the large files that mobile terminal cannot be downloaded; After large files is downloaded to proxy server, because proxy server supports that segmentation is downloaded, therefore browser of mobile terminal just can carry out the segmentation download of this large files by access proxies, thus obtains this large files.
The object of the invention is the problem never supporting the server that segmentation is downloaded is downloaded large files in order to solve mobile terminal, in embody rule implementation process of the present invention, mobile terminal at needs from before destination server download file, can also judge whether the file that will download exceeds the restriction of the file size that mobile terminal can be downloaded in advance, if the file downloaded does not exceed the restriction of the file size that mobile terminal can be downloaded, then can directly from destination server downloading object file without the need to being carried out transfer process by proxy server; If the file downloaded exceeds the restriction of the file size that mobile terminal can be downloaded, then judge whether destination server supports that segmentation is downloaded further, if destination server supports that segmentation is downloaded, then also can directly from destination server downloading object file without the need to being carried out transfer process by proxy server, if destination server does not support that segmentation is downloaded, then carried out the download of large files of the present invention by proxy server according to the flow process shown in Fig. 1.
In addition, in actual application, the data transmission capabilities (size of single transmission file) of each mobile terminal is not quite similar, either large or small difference can be had according to the software and hardware setting of Virtual network operator and mobile terminal itself, therefore, the efficiency of large files is downloaded in order to improve mobile terminal targetedly, in a preferred embodiment of the present invention, proxy server is again from after destination server obtains large files, the subfile that the download capabilities that also according to the download capabilities of corresponding mobile terminal (size of single download file), this large files can be divided into multiple and corresponding mobile terminal matches, carry out follow-up segmentation for corresponding mobile terminal to download.
Further, large files, when splitting large files, can be divided into multiple equal-sized subfile, also large files can be divided into multiple subfile differed in size by proxy server.
The method that the destination server never supporting segmentation to download according to mobile terminal of the present invention downloads large files is described above with reference to Fig. 1, correspondingly, the present invention also provides a kind of large files download system, and the destination server never supporting segmentation to download for realizing mobile terminal downloads the object of large files.
Fig. 2 shows the block diagram according to large files download system 200 of the present invention.As shown in Figure 2, large files download system 200 comprises mobile terminal 210, proxy server 220 and destination server 230.Wherein, proxy server 220 can comprise segmentation download supporter (not shown).
Wherein, destination server 230 is the destination server not supporting that segmentation is downloaded, and the network of proxy server 220 is not to the restriction of gateway files size and support that segmentation is downloaded.Mobile terminal 210 is before the destination server 230 never supporting segmentation to download downloads large files, first the download link of destination server 230 is sent to proxy server 220, by proxy server 220 access destination server 230 and after carrying out the download of large files, mobile terminal 210 download from proxy server 220 segmentation again required for large files.
The segmentation of proxy server 220 is downloaded supporter and is used for large files to be divided into multiple subfile matched with the download capabilities of this mobile terminal according to the download capabilities of corresponding mobile terminal, carry out follow-up segmentation for corresponding mobile terminal to download, thus improve the efficiency that mobile terminal downloads large files targetedly.
In addition, mobile terminal can also comprise judging unit (not shown), for before the download link of destination server is sent to proxy server, judge whether the file that will download exceeds the restriction of the file size that mobile terminal can be downloaded; When the file that will download exceeds the restriction of the file size that mobile terminal can be downloaded, judging unit judges whether described destination server supports that segmentation is downloaded further.When the file that mobile terminal will be downloaded exceeds the restriction of the file size that mobile terminal can be downloaded and corresponding destination server does not support that segmentation is downloaded, just need to obtain this large files by the transfer service of proxy server.
Above with reference to Fig. 1 and Fig. 2, method and the large files download system that the destination server never supporting segmentation to download according to mobile terminal of the present invention downloads large files is described in an illustrative manner.But, it will be appreciated by those skilled in the art that the method and system that the invention described above is proposed, various improvement can also be made on the basis not departing from content of the present invention.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (2)
1. the destination server that a mobile terminal never supports segmentation to download downloads the method for large files, described large files is for exceeding the file of the disposable file size that can download of described mobile terminal, described mobile terminal adopts the mode of wireless narrow band access to carry out network insertion, and described method comprises:
Before downloading large files from the described destination server not supporting segmentation to download, the download link of described destination server is first sent to proxy server from backstage by mobile terminal, and the network of described proxy server is not to the restriction of gateway files size and support that segmentation is downloaded;
Described proxy server is accessed described destination server according to described download link and is carried out the download of large files;
After described proxy server receives described large files, by the subfile that described large files matches according to the download capabilities that the download capabilities of described mobile terminal is divided into multiple and described mobile terminal;
Described mobile terminal downloads described large files from described proxy server segmentation; Wherein,
Described mobile terminal, before the download link of described destination server is sent to described proxy server, first judges whether the file that will download exceeds the restriction of the file size that mobile terminal can be downloaded,
If the file downloaded does not exceed the restriction of the file size that mobile terminal can be downloaded, then described mobile terminal is directly from destination server downloading object file;
If the file downloaded exceeds the restriction of the file size that mobile terminal can be downloaded, then judge whether described destination server supports that segmentation is downloaded further;
If described destination server supports that segmentation is downloaded, then described mobile terminal is directly from described destination server downloading object file; Otherwise the download of described large files is carried out by described mobile terminal proxy server.
2. a large files download system, comprises mobile terminal, destination server and proxy server, wherein,
Described destination server is the destination server not supporting that segmentation is downloaded;
The network of described proxy server is not to the restriction of gateway files size and support that segmentation is downloaded;
Described mobile terminal adopts the mode of wireless narrow band access to carry out network insertion; Further,
Described mobile terminal is before downloading large files from the described destination server not supporting segmentation to download, first send to proxy server from backstage by the download link of described destination server, described destination server is accessed according to described download link and after carrying out the download of large files by described proxy server, mobile terminal downloads described large files from described proxy server segmentation again, and described large files is for exceeding the file of the disposable file size that can download of described mobile terminal;
Wherein, described proxy server comprises:
Supporter is downloaded in segmentation, for the subfile matched according to the download capabilities that the download capabilities of corresponding mobile terminal is divided into multiple and described mobile terminal by described large files;
Described mobile terminal comprises:
Judging unit, for before the download link of described destination server is sent to proxy server, judges whether the file that will download exceeds the restriction of the file size that mobile terminal can be downloaded; Wherein,
If the file downloaded does not exceed the restriction of the file size that mobile terminal can be downloaded, then described mobile terminal is directly from destination server downloading object file;
If the file downloaded exceeds the restriction of the file size that mobile terminal can be downloaded, then described judging unit judges whether described destination server supports that segmentation is downloaded further, if described destination server supports that segmentation is downloaded, then described mobile terminal is directly from described destination server downloading object file; Otherwise the download of described large files is carried out by described mobile terminal proxy server.
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| CN201110061671.5A CN102088696B (en) | 2011-03-15 | 2011-03-15 | Method and system for downloading large file from target server by mobile terminal |
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| CN201110061671.5A CN102088696B (en) | 2011-03-15 | 2011-03-15 | Method and system for downloading large file from target server by mobile terminal |
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| CN201510132945.3A Division CN104717295A (en) | 2011-03-15 | 2011-03-15 | Method and system for downloading big file from target server through mobile terminal |
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| CN103186644B (en) * | 2011-12-31 | 2016-09-21 | 北大方正集团有限公司 | A kind of download the method for font file, equipment and system |
| CN104079324A (en) * | 2013-03-25 | 2014-10-01 | 联想(北京)有限公司 | Data transmission method, electronic equipment and system |
| CN106713373A (en) * | 2015-07-13 | 2017-05-24 | 中兴通讯股份有限公司 | File sending method and apparatus |
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| CN101127781A (en) * | 2007-09-26 | 2008-02-20 | 北京搜狐新时代信息技术有限公司 | Method, device and mobile terminal for mobile terminal to download files |
| CN101702728A (en) * | 2009-09-02 | 2010-05-05 | 优视动景（北京）技术服务有限公司 | Streaming media transmission system for mobile communication equipment terminal and application method thereof |
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| US7003464B2 (en) * | 2003-01-09 | 2006-02-21 | Motorola, Inc. | Dialog recognition and control in a voice browser |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101127781A (en) * | 2007-09-26 | 2008-02-20 | 北京搜狐新时代信息技术有限公司 | Method, device and mobile terminal for mobile terminal to download files |
| CN101702728A (en) * | 2009-09-02 | 2010-05-05 | 优视动景（北京）技术服务有限公司 | Streaming media transmission system for mobile communication equipment terminal and application method thereof |
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