CN102023992A - Content browsing method and apparatus - Google Patents
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- CN102023992A CN102023992A CN2009101760167A CN200910176016A CN102023992A CN 102023992 A CN102023992 A CN 102023992A CN 2009101760167 A CN2009101760167 A CN 2009101760167A CN 200910176016 A CN200910176016 A CN 200910176016A CN 102023992 A CN102023992 A CN 102023992A
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Abstract
The present invention discloses a method and a device for content browsing, which relates to the field of the embedded system. The invention provides a complete realization scheme for content browsing, filtering and ordering in the embedded system, which obviously reduces the memory space consumed by browsing content, enhances the speed and efficiency of system operation, so that the requirements of users are satisfied. The content browsing method provided by the present invention comprises storing the absolute path of a directory for each level and the name of each subdirectory and/or subfile under the directory; for a present directory, combining the absolute path of the present directory and the names of a subdirectory and/or a subfile under the present directory to obtain a complete path of the names of the subdirectory and/or the subfile; realizing the corresponding content browsing operation by using the complete path. The technical scheme of the present invention is suitable for a plurality of scenes such as embedded network, embedded media playing, personal video recorder (PVR) and so on.
Description
Technical field
The present invention relates to the embedded system field, relate in particular to a kind of content-browsing method and device.
Background technology
All have the digital multimedia playing function of supporting USB interface in the embedded system of existing flat panel TV, set-top box, DVD, digital multimedia player (DMP) even display, can realize the content in the USB device is browsed.
The content-browsing function is to realize other functions, as the filtering function of file, the basis of ranking function.The catalogue browsing of in embedded system, carrying out, be different from general list mode, as be different from and adopt browsing that catalogue browsing order ls/dir carries out, when in embedded system, entering the next stage catalogue and returning the upper level catalogue, all need to know the demonstration focus of current directory.Prior art is when realizing the content-browsing function, the byte of each file and catalogue all being distributed a fixed size, as 256 bytes, preserve complete URL(uniform resource locator) (the Uniform Resource Locator of each file and catalogue, URL), i.e. the combination of absolute path and file/directory name.When carrying out content-browsing, read URL, obtain the corresponding demonstration focus of current directory, show at screen with the realization content-browsing and with file or the catalogue that obtains (On-Screen Display, OSD).
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art:
Embedded system has its special character, and system resource such as internal memory etc. are relatively limited, and to the requirement of operational efficiency also than higher.And along with the capacity of USB flash disk and portable hard drive is increasing, quantity of documents is more and more, the content-browsing method that prior art provides, each filename and directory name are all preserved complete URL, consumed a large amount of system resource, influence the travelling speed and the efficient of system, can't satisfy user's needs.
Summary of the invention
For solving problems of the prior art, embodiments of the invention provide a kind of content-browsing method and device.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the invention provides a kind of content-browsing method, and described method comprises:
Each subdirectory name and/or son file name under the absolute path of a each grade catalogue of preservation and the described catalogue;
For current directory, make up the fullpath that the absolute path of described current directory and the subdirectory name under this current catalogue and/or son file name obtain described subdirectory name and/or son file name;
Utilize described fullpath to realize the content corresponding browse operation.
Further, described method also comprises: by current directory name/filename and higher level's directory listing relatively obtain returning higher level's catalogue the time the demonstration focus;
Utilize described demonstration focus and fullpath to realize the content corresponding browse operation.
Further, described method also comprises: according to the real bytes length that described absolute path and subdirectory name and/or son file name take, be that described absolute path and subdirectory name and/or son file name are distributed storage space and preserved.
Further, described method also comprises: according to user's needs, the filtering rule to directory name and/or filename is set; Choose corresponding filtering rule and utilize this filtering rule that directory name and/or filename are filtered; The directory name and/or filename after filtering, enter described current directory.
Further, described method also comprises: according to user's needs, the ordering rule to directory name and/or filename is set; Choose the corresponding sequencing rule and utilize this ordering rule that directory name and/or filename are sorted; The directory name and/or filename after ordering, enter described current directory.
Further, described method also comprises: according to user's needs, be provided with the directory name after filtering and/or the ordering rule of filename; Choose the corresponding sequencing rule and utilize this ordering rule that directory name and/or filename after filtering are sorted; The directory name and/or filename after filtering, enter described current directory through sorting.
The embodiment of the invention provides a kind of content-browsing device, and described device comprises:
Preserve the unit, be used to preserve each subdirectory name and/or son file name under the absolute path of a each grade catalogue and the described catalogue; The fullpath acquiring unit is used for for current directory, makes up the fullpath that the absolute path of described current directory and the subdirectory name under this current catalogue and/or son file name obtain described subdirectory name and/or son file name; Browse the realization unit, the fullpath that utilizes described fullpath acquiring unit to get access to is realized the content corresponding browse operation.
Wherein, described browsing realizes that the unit also comprises: show the focus acquisition module, be used for by current directory name/filename and higher level's directory listing relatively obtain returning higher level's catalogue the time the demonstration focus; Browse module, be used to utilize described demonstration focus and fullpath to realize the content corresponding browse operation.
Wherein, described preservation unit also comprises:
Distribute preserving the unit, be used for the real bytes length that takies according to described absolute path and subdirectory name and/or son file name, is that described absolute path and subdirectory name and/or son file name are distributed storage space and preserved.
Further, described device also comprises filter element and filtration back sequencing unit,
Described filter element is used for the needs according to the user, and the filtering rule to directory name and/or filename is set; Choose corresponding filtering rule and utilize this filtering rule that directory name and/or filename are filtered; The directory name and/or filename after filtering, enter described current directory; Described filtration back sequencing unit is used for the needs according to the user, is provided with the directory name after filtering and/or the ordering rule of filename; Choose the corresponding sequencing rule and utilize this ordering rule that directory name and/or filename after filtering through described filter element are sorted; The directory name and/or filename after filtering, enter described current directory through sorting.
The technical scheme of the embodiment of the invention, considering only needs when carrying out OSD directory name and/or filename are shown, then when realizing content-browsing, only preserve each subdirectory name and/or son file name in the current directory, and the absolute path of a this current catalogue.Can accurately know the fullpath that returns demonstration focus and the current file or the catalogue of upper level catalogue from current file or catalogue by absolute path and subdirectory name and/or son file name, effectively realize the content-browsing function.
Further, the embodiment of the invention can also be according to multiple different filtering rule, the ordering rule of user's needs customization to directory name and/or filename, user friendly operation, the service quality and the performance of raising system.
The technical scheme that the embodiment of the invention provides, the implementation of content-browsing, filtration and ordering in the complete embedded system of one cover is provided, significantly reduced and carried out the memory headroom that content-browsing consumed, improved the travelling speed and the efficient of system, satisfied user's needs.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The content-browsing method synoptic diagram that Fig. 1 provides for the embodiment of the invention one;
The content-browsing method synoptic diagram that Fig. 2 provides for the embodiment of the invention two;
The content-browsing principle schematic that Fig. 3 provides for the embodiment of the invention two;
The content-browsing apparatus structure synoptic diagram that Fig. 4 provides for the embodiment of the invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Because the present flash disk and the capacity of portable hard drive are increasing, quantity of documents is more and more, and to the consumption of system resource, travelling speed and efficient etc. has proposed more and more higher requirement.The embodiment of the invention is set out with regard to the demand that is based on embedded system device content such as USB, portable hard drive are carried out content-browsing, fast as far as possible speed and minimum resource consumption is provided, and and then content-browsing implementation in a whole set of complete embedded system is provided, significantly reduced and carried out the memory headroom that content-browsing consumed, improve the travelling speed and the efficient of system, satisfied user's needs.The present invention is applicable to flat panel TV, set-top box, DVD, DMP, based on personal video recorder (the Personal Video Recorder of Linux, PVR) and display etc., but be not limited to this, also applicable to other embedded media broadcast, the occasion of built-in network.
The content-browsing method that the embodiment of the invention one provides as shown in Figure 1, comprising:
Step 11: each subdirectory name and/or son file name under the absolute path of a each grade catalogue of preservation and the described catalogue;
Step 12:, make up the fullpath that the absolute path of described current directory and the subdirectory name under this current catalogue and/or son file name obtain described subdirectory name and/or son file name for current directory;
Step 13: utilize described fullpath to realize the content corresponding browse operation.
The embodiment of the invention can also by current directory name/filename and higher level's directory listing relatively obtain returning higher level's catalogue the time the demonstration focus; Utilize described demonstration focus and fullpath to realize the content corresponding browse operation.
Be further to save system resource, the embodiment of the invention is according to the real bytes length that described absolute path and subdirectory name and/or son file name take, and is that described absolute path and subdirectory name and/or son file name are distributed storage space and preserved.
The technical scheme of the embodiment of the invention, considering only needs when carrying out OSD directory name and/or filename are shown, then when realizing content-browsing, only preserve each subdirectory name and/or son file name in the current directory, and the absolute path of a this current catalogue.Can accurately know the fullpath that returns demonstration focus and the current file or the catalogue of upper level catalogue from current file or catalogue by absolute path and subdirectory name and/or son file name, effectively realize the content-browsing function.
The content-browsing method that the embodiment of the invention two is provided is elaborated below.The embodiment of the invention referring to Fig. 2, mainly comprises following treatment step to realize that on DMP content-browsing to USB is operating as example and describes:
Step 21: corresponding root directory when determining that USB carried out content-browsing.
After USB is connected to DMP and goes up, at first specify a root directory, promptly articulate the root directory of catalogue, when being expressed as "/mnt ", can sending by #define MOUNT ROOT "/mnt " and instruct when root directory, determine current root directory.
Step 22: directory name and/or filename are filtered.
By filter operation, the file of the form that DMP supported can be shown to the user.In embodiments of the present invention,, the filtering rule to directory name and/or filename can be set, thereby further remove irrelevant file, to guarantee that the file of being expected is shown to the user according to user's needs.This document name can or comprise the title of the file of a plurality of individual files for the title of a file independently.
One or more filtering rules can be set, when carrying out content-browsing, choose and dispose corresponding filtering rule as required.Can be as this filtering rule for suffix name according to file, as .mp3 .txt .jpeg .pdf .avi etc. filter file; Perhaps, this filtering rule can also filter file for the amount of capacity according to file, as file size is divided into some grades according to size, according to different grades file is filtered.Above-mentioned filtering rule can be configured by the form of built-in function, is expressed as int (* select) (struct dirent*) as built-in function.
After determining root directory, choose corresponding filtering rule and utilize this filtering rule that directory name and/or filename are filtered, and the file after will filtering shows at OSD.As when the filtering rule of choosing during, file and/or the catalogue of all suffix .mp3 by name can be shown to the user for the file that only allows suffix .mp3 by name and/or catalogue.
The directory name and/or filename after filtering, be the current user's of being shown to directory name and/or filename, comprise directory A 1, directory A 2, directory A 3, directory A 4, directory A 5, directory A 8 referring to Fig. 3, in these catalogues, receive the instruction that the user sends, enter current directory, the catalogue of promptly working as pre-treatment is as directory A 8.Can comprise sub-directory in this catalogue, perhaps comprise son file, perhaps comprise sub-directory and son file simultaneously.
Be appreciated that when not carrying out this filtration step, also can carry out the operation of follow-up content-browsing, but in this case, OSD display file and/or catalogue can comprise many contents of not expecting, need the user to search or recognize.
Step 23: directory name and/or filename are sorted.
Can directory name and/or the filename after filtering sorted under first kind of mode, can be under the second way to not sorting through directory name and/or the filename that filters.
By ordering will required file and/or catalogue come the front portion of whole directory menu, with each file in this document folder, and/or each sub-directory in this catalogue comes that this document presss from both sides and/or catalogue after.
At first, ordering rule is set, one or more ordering rules can be set according to user's needs.The ordering rule of ordering rule under first kind of mode under can the different second way also can be identical with the ordering rule under the second way.This ordering rule can be realized by the form of built-in function, as built-in function being expressed as int (* compar) (const void*, const void*).
Under first kind of mode, after filtering, choose and dispose the corresponding sequencing rule; Under the second way, specified root directory can choose and dispose the corresponding sequencing rule afterwards.
After the execution in step 23, in the directory name and/or filename that in the end obtains,, enter described current directory according to instruction from the user.
Be appreciated that when not carrying out this filtration step, also can carry out follow-up content-browsing operation.
Preferably, adopt above-mentioned filter operation and sorting operation in the embodiment of the invention two, can further facilitate user's operation, improve system performance.Referring to Fig. 3, through filtering and ordering is handled, comprised directory A 1 to A5 and directory A 8 under the root directory, directory A 8 times, also comprise sub-directory B1, sub-directory B3, sub-directory B4 and son file B5 and B6.Whole catalogue is a multilevel hierarchy, can also comprise sub-directory again under the sub-directory of catalogue.
Step 24: directory name and/or filename are carried out content-browsing.
When carrying out catalogue browsing, only preserve the absolute path of a each grade catalogue, and each subdirectory name and/or son file name under the described catalogue.For example, if current directory is a directory A 8, when browsing the content in the directory A 8, at first discharge file and Folder List under "/mnt " catalogue, the absolute path "/mnt/A8 " of directory A 8 is only preserved portion, obtain filename and/or directory name (as sub-directory B1, son file B4 etc.) and preservation under "/mnt/A8 ".Then can be to son file B4, its fullpath can utilize absolute path and filename to obtain, and for example can be expressed as "/mnt/A8/B4 ".
Performance and treatment effeciency for further raising system, in above-mentioned filtration, ordered steps, also can realize information filtering, ordering by the absolute path that the absolute path of current first class catalogue and the subdirectory name under this current catalogue and/or son file name are obtained described subdirectory name and/or son file name.
To the preservation of subdirectory name/son file name under the absolute path of each grade catalogue and this catalogue, can preserve in advance, also can work as when handling this grade catalogue again absolute path and corresponding sub directory name/son file name and preserve this catalogue.
Be further to save resource, the embodiment of the invention dynamically be that described absolute path and subdirectory name and/or son file name are distributed storage space and preservation according to the real bytes length that described absolute path and subdirectory name and/or son file name take.
Secondly, make up the demonstration focus that described absolute path and subdirectory name and/or son file name obtain the fullpath of current directory and return the upper level catalogue.For example, mainly comprise following processing: suppose to carry out content-browsing for the sub-directory B3 under the A8 catalogue, show that promptly focus is the square frame of the third line square frame subdirectories B3 correspondence among Fig. 3.When from the turning back to of/mnt/A8/ catalogue/mnt catalogue, file and/or the catalogue under the release/mnt/A8 catalogue at first, filename under the acquisition/mnt/A8 and/or directory name then are as by reading filename and/or the directory name of having preserved.Current directory name/filename and higher level's directory listing are compared the demonstration focus that obtains to return the upper level catalogue, with filename and/or directory name (sub-directory B3), compare with upper level directory listing (directory A 1 to A5 and directory A 8), acquisition is returned the upper level catalogue and is shown the focal position, i.e. this demonstration focus square frame that is sub-directory B3 correspondence.After having determined to show the position of focus, utilize described fullpath and show that focus realizes the content corresponding browse operation.
The execution sequence of each treatment step in the embodiment of the invention can be adjusted as required, as the step that is provided with of above-mentioned filtering rule, ordering rule, can carry out in advance, also can carry out immediately when proceeding to correlation step.
The technical scheme of the embodiment of the invention, considering only needs when carrying out OSD directory name and/or filename are shown, then when realizing content-browsing, only preserve each subdirectory name and/or son file name in the current directory, and the absolute path of a this current catalogue.Can accurately know the fullpath that returns demonstration focus and the current file or the catalogue of upper level catalogue from current file or catalogue by absolute path and subdirectory name and/or son file name, effectively realize the content-browsing function.
Further, the embodiment of the invention can also be according to multiple different filtering rule, the ordering rule of user's needs customization to directory name and/or filename, user friendly operation, the service quality and the performance of raising system.
The technical scheme that the embodiment of the invention provides, content-browsing, filtration and ordering implementation in the complete embedded system of one cover are provided, significantly reduced and carried out the memory headroom that content-browsing consumed, improved the travelling speed and the efficient of system, satisfied user's needs.
The embodiment of the invention three provides a kind of content-browsing device, and as shown in Figure 4, described device comprises:
Preserve unit 41, be used to preserve each subdirectory name and/or son file name under the absolute path of a each grade catalogue and the described catalogue; Fullpath acquiring unit 42 is used for for current directory, makes up the fullpath that the absolute path of described current directory and the subdirectory name under this current catalogue and/or son file name obtain described subdirectory name and/or son file name; Browse and realize unit 43, the fullpath that utilizes described fullpath acquiring unit to get access to is realized the content corresponding browse operation.
Further, described preservation unit 41 also comprises:
Distribute preserving the unit, be used for the real bytes length that takies according to described absolute path and subdirectory name and/or son file name, is that described absolute path and subdirectory name and/or son file name are distributed storage space and preserved.
Wherein, described browsing realizes that unit 43 also comprises: show the focus acquisition module, be used for by current directory name/filename and higher level's directory listing relatively obtain returning higher level's catalogue the time the demonstration focus; Browse module, be used to utilize described demonstration focus and fullpath to realize the content corresponding browse operation.
For further facilitating user's operation, described device also comprises filter element,
Described filter element is used for the needs according to the user, and the filtering rule to directory name and/or filename is set; Choose corresponding filtering rule and utilize this filtering rule that directory name and/or filename are filtered; The directory name and/or filename after filtering, enter described current directory.
After filtration treatment, can also be to the processing of sorting of directory name and/or filename, at this moment, described device also comprises and filters the back sequencing unit, is used for the needs according to the user, is provided with the directory name after filtering and/or the ordering rule of filename; Choose the corresponding sequencing rule and utilize this ordering rule that directory name and/or filename after filtering through described filter element are sorted; The directory name and/or filename after filtering, enter described current directory through sorting.
Also can not carry out filter operation, and only carry out sorting operation, at this moment, described device also comprises:
Second sequencing unit is used for the needs according to the user, and the ordering rule to directory name and/or filename is set; Choose the corresponding sequencing rule and utilize this ordering rule that directory name and/or filename are sorted; The directory name and/or filename after ordering, enter described current directory.
The concrete working method of each functional module and unit is referring to the inventive method embodiment among apparatus of the present invention embodiment.Each functional module and unit can be realized separately among apparatus of the present invention embodiment, also can be integrated in one or more unit and realize.
The technical scheme of the embodiment of the invention, considering only needs when carrying out OSD directory name and/or filename are shown, then when realizing content-browsing, only preserve each subdirectory name and/or son file name in the current directory, and the fullpath of a this current catalogue.Can accurately know the fullpath that returns demonstration focus and the current file or the catalogue of upper level catalogue from current file or catalogue by absolute path and subdirectory name and/or son file name, effectively realize the content-browsing function.
Further, the embodiment of the invention can also be according to multiple different filtering rule, the ordering rule of user's needs customization to directory name and/or filename, user friendly operation, the service quality and the performance of raising system.
The technical scheme that the embodiment of the invention provides, content-browsing, filtration and ordering implementation in the complete embedded system of one cover are provided, significantly reduced and carried out the memory headroom that content-browsing consumed, improved the travelling speed and the efficient of system, satisfied user's needs.
Those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can software product form embody, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, 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 protection domain of claim.
Claims (10)
1. a content-browsing method is characterized in that, described method comprises:
Each subdirectory name and/or son file name under the absolute path of a each grade catalogue of preservation and the described catalogue;
For current directory, make up the fullpath that the absolute path of described current directory and the subdirectory name under this current catalogue and/or son file name obtain described subdirectory name and/or son file name;
Utilize described fullpath to realize the content corresponding browse operation.
2. content-browsing method according to claim 1 is characterized in that, describedly utilizes described fullpath to realize that the content corresponding browse operation comprises:
By current directory name/filename and higher level's directory listing relatively obtain returning higher level's catalogue the time the demonstration focus;
Utilize described demonstration focus and fullpath to realize the content corresponding browse operation.
3. content-browsing method according to claim 1 and 2 is characterized in that, each subdirectory name and/or son file name comprise under the absolute path of a each grade catalogue of described preservation and the described catalogue:
According to the real bytes length that described absolute path and subdirectory name and/or son file name take, be that described absolute path and subdirectory name and/or son file name are distributed storage space and preserved.
4. content-browsing method according to claim 3 is characterized in that, described method also comprises:
According to user's needs, the filtering rule to directory name and/or filename is set;
Choose corresponding filtering rule and utilize this filtering rule that directory name and/or filename are filtered;
The directory name and/or filename after filtering, enter described current directory.
5. content-browsing method according to claim 3 is characterized in that, described method also comprises:
According to user's needs, the ordering rule to directory name and/or filename is set;
Choose the corresponding sequencing rule and utilize this ordering rule that directory name and/or filename are sorted;
The directory name and/or filename after ordering, enter described current directory.
6. content-browsing method according to claim 4 is characterized in that, the described directory name and/or filename after filtering, enters described current directory and comprises:
According to user's needs, be provided with the directory name after filtering and/or the ordering rule of filename;
Choose the corresponding sequencing rule and utilize this ordering rule that directory name and/or filename after filtering are sorted;
The directory name and/or filename after filtering, enter described current directory through sorting.
7. a content-browsing device is characterized in that, described device comprises:
Preserve the unit, be used to preserve each subdirectory name and/or son file name under the absolute path of a each grade catalogue and the described catalogue;
The fullpath acquiring unit is used for for current directory, makes up the fullpath that the absolute path of described current directory and the subdirectory name under this current catalogue and/or son file name obtain described subdirectory name and/or son file name;
Browse the realization unit, the fullpath that utilizes described fullpath acquiring unit to get access to is realized the content corresponding browse operation.
8. content-browsing device according to claim 7 is characterized in that, described browsing realizes that the unit also comprises:
Show the focus acquisition module, be used for by current directory name/filename and higher level's directory listing relatively obtain returning higher level's catalogue the time the demonstration focus;
Browse module, be used to utilize described demonstration focus and fullpath to realize the content corresponding browse operation.
9. content-browsing device according to claim 7 is characterized in that, described preservation unit also comprises:
Distribute preserving the unit, be used for the real bytes length that takies according to described absolute path and subdirectory name and/or son file name, is that described absolute path and subdirectory name and/or son file name are distributed storage space and preserved.
10. according to each described content-browsing device of claim 7 to 9, it is characterized in that described device also comprises filter element and filtration back sequencing unit,
Described filter element is used for the needs according to the user, and the filtering rule to directory name and/or filename is set; Choose corresponding filtering rule and utilize this filtering rule that directory name and/or filename are filtered; The directory name and/or filename after filtering, enter described current directory;
Described filtration back sequencing unit is used for the needs according to the user, is provided with the directory name after the described filter element filtration and/or the ordering rule of filename; Choose the corresponding sequencing rule and utilize this ordering rule that directory name and/or filename after filtering through described filter element are sorted; The directory name and/or filename after filtering, enter described current directory through sorting.
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| CN2009101760167A CN102023992A (en) | 2009-09-18 | 2009-09-18 | Content browsing method and apparatus |
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| CN103853715A (en) * | 2012-11-28 | 2014-06-11 | 北大方正集团有限公司 | Rapid file browsing method and device |
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| CN103853715A (en) * | 2012-11-28 | 2014-06-11 | 北大方正集团有限公司 | Rapid file browsing method and device |
| CN104239303A (en) * | 2013-06-07 | 2014-12-24 | 腾讯科技（深圳）有限公司 | Method and device for accessing to superior webpage |
| CN104469518A (en) * | 2014-12-16 | 2015-03-25 | 广东欧珀移动通信有限公司 | Access method for audio and video files and electronic device |
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Application publication date: 20110420 |