CN102724586B - Page caching method and page caching system based on internet protocol television (IPTV) - Google Patents
Page caching method and page caching system based on internet protocol television (IPTV) Download PDFInfo
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Abstract
The invention is suitable for the technical field of internet protocol television (IPTV), and provides a page caching method and a page caching system based on the IPTV. The method comprises the steps of acquiring set-top box information of a set-top box when the set-top box requests for accessing a page at the first time; simulating the access of the set-top box to the page and acquiring a page file of the page according to the set-top box information; acquiring multiple picture of the page file; integrating the multiple pictures into one picture; substituting a background image of the page file with the synthesized picture so as to generate a page caching file, and the page caching file includes the set-top box information and the page attribute information; and when the set-top box requests for accessing the page later, the corresponding page caching file can be called so as to access the page according to the page attribute information and the set-top box information of the page requested to access. Due to the adoption of the method and the system, the page loading speed when the page is accessed can be greatly improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of page cache method and system based on IPTV.
Background technology
IPTV(Internet Protocol Television, internet protocol TV) refer to the Protocol based on IP((Internet, Internet protocol) visual broadcast service of agreement, this business, using television set or computer as terminal, provides the broadband services such as digital broadcast television, Video service, information service, interactive community, interactive amusement and recreation, ecommerce to user by broadband network.When using television set as terminal, on this television set, need configuration machine top box as necessary network access device.But due to the performance limitations of the built-in browser in Set Top Box and the reasons such as display characteristic of television set, cause television set and the processing of the page on computer to have much different.
In addition, existing IPTV business is used (Video Interactive Service, video interactive service) application is as the link of user direct contact, user passes through VIS(Video Interactive Service when watching and use IPTV, video interactive service) can find easily the program category oneself liking seeing (as TV play, news, physical culture, entertainment etc.), thus the production technique of VIS user's use sense is had directly and is affected.The language that VIS application adopts is conventionally PHP(Hypertext Preprocessor, supertext preliminary treatment language), PHP is a kind of HTML(Hypertext Markup Language, HTML) embedded language, it is a kind of script of the embedding html document of carrying out at server end, the style of language is similar to C language, is used widely.When user watches IPTV, can pass through EPG(Electronic Program Guide, electronic program guides) select oneself to want the VIS watching should be used for watching targetedly.VIS is a kind of targeted, recommendatory application, wherein have the certain applications page be by picture (as TV play, see large stretch of etc.) come to introduce intuitively to user is a kind of, and this pattern is popular with the masses of users.But because picture is too many, there will be the slow problem that even part picture cannot show that loaded in the Set Top Box of a lot of poor-performings.The cache way of the page of existing IPTV just carries out buffer memory to page code, and it is main not enough as follows:
One, image cache relies on browser, and the performance of built-in browser is limited, if picture is too much excessive, problem is apparent.
Two, to refresh be all to carry out database request to the page at every turn, taken a large amount of database resources.
In summary,, obviously there is in actual use inconvenience and defect in the page cache technology of existing IPTV, so be necessary to be improved.
Summary of the invention
For above-mentioned defect, the object of the present invention is to provide a kind of page cache method and system based on IPTV, page loading velocity when it can improve accession page greatly.
To achieve these goals, the invention provides a kind of page cache method based on IPTV, comprise that step has:
When Set Top Box is first during the request access page, obtain the Set Top Box information of described Set Top Box;
According to described Set Top Box information, simulate the pagefile that described Set Top Box is accessed the described page and obtained the described page;
Obtain a plurality of pictures in described pagefile;
A plurality of described pictures are integrated into a synthesising picture;
The Background of described pagefile is replaced to described synthesising picture to generate page cache file, and described page cache file comprises described Set Top Box information and page properties information;
When described Set Top Box subsequent request is accessed the described page, according to the page properties information of the described page of request access and described Set Top Box information, call corresponding described page cache file to carry out the access of the described page.
According to page cache method of the present invention, described Set Top Box information comprises browser information and the Set Top Box attribute information of described Set Top Box.
According to page cache method of the present invention, described according to Set Top Box information, simulate the step that described Set Top Box accesses the described page and obtain the pagefile of the described page and comprise:
Utilize Snoopy class to come according to described Set Top Box information, simulate the described pagefile that described Set Top Box is accessed the described page and obtained the described page.
According to page cache method of the present invention, described in obtain a plurality of pictures in pagefile step comprise:
By the first regular expression, obtain a plurality of described picture in described pagefile;
The described Background by pagefile replaces to described synthesising picture and comprises to generate the step of page cache file:
By the second regular expression, the Background of described pagefile is replaced to described synthesising picture to generate described page cache file.
According to page cache method of the present invention, the title of described page cache file comprises Page Name, page place number of pages and Set Top Box type.
According to page cache method of the present invention, described page cache method is applied in video interactive service.
According to page cache method of the present invention, described in obtain a plurality of pictures in pagefile step comprise:
Obtain image information and the positional information of a plurality of described pictures in described pagefile;
The described step that a plurality of pictures are integrated into a synthesising picture comprises:
According to the described image information of a plurality of described pictures and described positional information, a plurality of described pictures are integrated into one by position separately described in synthesising picture.
The present invention also provides a kind of page cache system based on IPTV, includes:
Set Top Box acquisition of information module, for when Set Top Box is first during the request access page, obtains the Set Top Box information of described Set Top Box;
Pagefile acquisition module, for according to described Set Top Box information, simulates the pagefile that described Set Top Box is accessed the described page and obtained the described page;
Picture acquisition module, for obtaining a plurality of pictures of described pagefile;
Picture synthesis module, for being integrated into a synthesising picture by a plurality of described pictures;
Buffer memory generation module, for the Background of described pagefile being replaced to described synthesising picture to generate page cache file, and described page cache file comprises described Set Top Box information and page properties information;
Buffer memory calling module, for when described Set Top Box subsequent request is accessed the described page, according to the page properties information of the described page of request access and described Set Top Box information, calls corresponding described page cache file to carry out the access of the described page.
According to page cache system of the present invention, described Set Top Box information comprises browser information and the Set Top Box attribute information of described Set Top Box.
According to page cache system of the present invention, described pagefile acquisition module is used for utilizing Snoopy class to come according to described Set Top Box information, simulates the described pagefile that described Set Top Box is accessed the described page and obtained the described page.
According to page cache system of the present invention, described picture acquisition module also, for by the first regular expression, obtains a plurality of described picture in described pagefile;
Described buffer memory generation module also, for by the second regular expression, replaces to described synthesising picture to generate described page cache file by the Background of described pagefile.
According to page cache system of the present invention, the title of described page cache file comprises Page Name, page place number of pages and Set Top Box type.
According to page cache system of the present invention, described page cache method is applied in video interactive service.
According to page cache system of the present invention, described picture acquisition module is also for obtaining image information and the positional information of a plurality of described pictures of described pagefile;
Described picture synthesis module is also for according to the described image information of a plurality of described pictures and described positional information, a plurality of described pictures are integrated into one by position separately described in synthesising picture.
The present invention uses certain Set Top Box for the first time during accession page user, obtain the Set Top Box information of described Set Top Box, preferably include browser information and the Set Top Box attribute information of described Set Top Box, simulate again the pagefile that described Set Top Box is accessed the described page and obtained the described page, and a plurality of pictures in described pagefile are integrated into a synthesising picture, then the Background of pagefile is replaced to synthesising picture to generate page cache file, when user uses Set Top Box again described in request access during the page, can call corresponding page cache file according to the Set Top Box information of self and just can realize the access to the page.Because the present invention is when the accession page, owing to loading ready-made page cache file, and only need load a synthesising picture, need compared to existing technology a plurality of pictures in load page file, it has greatly reduced quantity and the size Loading Image, therefore greatly improve the page loading velocity of Set Top Box, and then promoted user's experience.And the page cache file that Set Top Box is called is exactly the pagefile of request access, and no longer need database to conduct interviews and caching process, thereby really realized the staticize of the page.The present invention is particularly useful for the video interactive service in IPTV field, and is used for TV and surfs the web.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is based on the page cache system of IPTV;
Fig. 2 is the flow chart that the present invention is based on the page cache method of IPTV; And
Fig. 3 is the flow chart that the present invention is preferably based on the page cache method of IPTV.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the structural representation that the present invention is based on the page cache system of IPTV, and described page cache system 100 includes Set Top Box acquisition of information module 10, pagefile acquisition module 20, picture acquisition module 30, picture synthesis module 40, buffer memory generation module 50 and buffer memory calling module 60, wherein:
Set Top Box acquisition of information module 10, for when Set Top Box is first during the request access page, obtains the Set Top Box information of described Set Top Box.Described Set Top Box information preferably includes browser information and the Set Top Box attribute information of Set Top Box, and described browser information can be the type of browser and version etc., and described Set Top Box attribute information can be Set Top Box type, hardware parameter etc.The described page is preferably webpage.
Pagefile acquisition module 20, for according to described Set Top Box information, analog set top accession page also obtains the pagefile of this page.Preferably, pagefile acquisition module 20 utilizes Snoopy class to come according to described Set Top Box information, and analog set top accession page also obtains the pagefile of the page, and described pagefile is preferably html file.
Picture acquisition module 30, for obtaining a plurality of pictures of pagefile, preferably, picture acquisition module 30 is for obtaining image information and the positional information of a plurality of pictures of pagefile.
Picture synthesis module 40, is integrated into a synthesising picture for a plurality of pictures that picture acquisition module 30 is obtained.Preferably, picture synthesis module 40 is for according to the image information of a plurality of pictures and positional information, and a plurality of pictures are integrated into a synthesising picture by position separately.
Buffer memory generation module 50, for the Background of the pagefile of the page is replaced to synthesising picture, to generate page cache file, and described page cache file comprises Set Top Box information and page properties information.Cache file is divided into two parts: merge synthesising picture and pagefile after processing.Preferably, the title of described page cache file comprises Page Name, page place number of pages and Set Top Box type etc., when user accesses the described page again in the entry-into-force time at buffer memory, that just can sit in the right seat according to user's information (user accesses with Set Top Box information by Set Top Box) has called cache file separately like this.
Buffer memory calling module 60, for when the described Set Top Box subsequent request accession page, according to the page properties information of the page of request access and Set Top Box information, calls corresponding page cache file.
The present invention is a kind of caching technology that can be used for the raising page loading of IPTV, is particularly useful for the VIS(video interactive service in IPTV field) application, and be used for TV and surf the web.The present invention uses certain Set Top Box for the first time when accession page by certain user, obtain browser information and the Set Top Box information of the built-in browser of this Set Top Box, by this Set Top Box of this analoglike of Snoopy.class.php (browser information and Set Top Box information), login, obtain the last page cache file generating, in the cache-time of regulation, this page of access again of user all no longer carries out caching process like this.
Preferably, picture acquisition module 30 is also for passing through the first regular expression, obtain a plurality of pictures in pagefile, buffer memory generation module 50 also, for by the second regular expression, replaces to synthesising picture to generate page cache file by the Background of pagefile.Described regular expression is a kind of logical formula to string operation, exactly with some specific characters that define in advance and the combination of described specific character, form a regular character string, described regular character string is used for expressing a kind of filter logic to character string.
In the present invention's one specific embodiment, according to the syntax rule of quoting picture in the page, with the first regular expression, obtain image information and the positional information of a plurality of pictures in the described pagefile obtaining above, described positional information is picture place DIV(division, piece level element) position and picture length and width.And filter the particular picture that not needing integration on some ad-hoc location, because may there is GIF(Graphics Interchange Format in the particular picture on these ad-hoc locations, graphic interchange format) animation types, in VIS application, such ad-hoc location is defined as " Position " type.Then utilize PHP(Hypertext Preprocessor, supertext preliminary treatment language) GD(Graphic Device, tool image storehouse) storehouse generates a new synthesising picture, a plurality of pictures that obtain all by position refigure separately on a newly-built synthesising picture and preserve.With regard to having realized, all pictures of the page are merged into a synthesising picture like this, then as long as this synthesising picture is schemed to load as a setting.Next, with the second regular expression, the former Background in pagefile is replaced with to new synthesising picture, then those merged picture layer DIV are set to sky, save as new page cache file.
In the another specific embodiment of the present invention, be embedded in VIS application, with PHP language, develop too, be mainly concerned with a class Snoopy.class.php who increases income, this document can obtain by the side of no longer holding an official post network address http://sourceforge.net/projects/snoopy/.Snoopy class is a PHP class, the function that is used for imitating browser, and it can complete obtaining content of pages and sending list of task.The feature of Snoopy class comprises: the convenient content that captures the page; The convenient content of text (removal html tag) that captures the page; The convenient link that captures the page; Support proxy; Support basic usemame/password checking; Support arranges user_agent(user agent), referer(incoming road), cookies and header content(header file); Support browser turns to, and can control and turn to the degree of depth; Extended Hyperlink in the page can be become to high-quality URL(Uniform Resoure Locator: URL(uniform resource locator)); Conveniently submit data to and obtain return value; Support to follow the tracks of HTML framework; When supporting to turn to again, transmit cookies etc.
Described Snoopy class specifically can comprise:
Picture obtains function: for obtaining a plurality of pictures in page DIV, comprising, obtain the image information of this picture and the position of this picture place DIV, the length of picture and wide.
Generate buffer memory function: be responsible for generating page cache file, described page cache file is divided into two parts: merge synthesising picture file and html file after processing.The synthesising picture file that utilizes the GD storehouse of PHP to generate by the pictorial information in obtained DIV, all pictures of acquisition all by position refigure separately on a newly-built synthesising picture and preserve.Html file is to be synthesising picture with the former Background of the canonical replacement page, then those merged picture layer DIV are set to sky, save as new html page file, the naming rule of this page cache file is comprised of Page Name, Set Top Box type, place number of pages.
Described other correlation functions of Snoopy class comprise: 1, return cache html name; 2, return cache html complete trails; 3, return cache picture complete trails; 4, according to time strategy display buffer file, and exit etc.
Fig. 2 is the flow chart that the present invention is based on the page cache method of IPTV, and it can be realized by the page cache system based on IPTV 100 as shown in Figure 1, and described page cache method is preferably applied in video interactive service, and described method comprises that step has:
Step S201, when Set Top Box is first during the request access page, obtains the Set Top Box information of Set Top Box.Described Set Top Box information preferably includes browser information and the Set Top Box attribute information of Set Top Box, and described browser information can be the type of browser and version etc., and described Set Top Box attribute information can be Set Top Box type, hardware parameter etc.
Step S202, according to Set Top Box information, analog set top accession page also obtains the pagefile of the page, and described pagefile is preferably html page file.
Step S203, obtains a plurality of pictures in pagefile.Preferably, by the first regular expression, obtain a plurality of pictures in pagefile.
Step S204, is integrated into a synthesising picture by a plurality of pictures.
Step S205, the Background of pagefile is replaced to synthesising picture to generate page cache file, and page cache file comprises Set Top Box information and page properties information.Preferably, by the second regular expression, the Background of pagefile is replaced to synthesising picture to generate page cache file.
Step S206, during Set Top Box subsequent request accession page, according to the page properties information of the page of request access and Set Top Box information, calls corresponding page cache file to carry out the access of the described page.
The present invention is a synthesising picture by plurality of pictures on merge page, can greatly reduce the quantity of picture, and the size (file size refers to that a file takies the size of the disk space of computer) of the new synthesising picture file generating is far smaller than the summation of original plurality of pictures.Because the page cache file that different Set Top Box generate is not identical, the acquiescence key response that has comprised such Set Top Box in the page cache file of generation, acquiescence represent the size of the page etc.So according to different Set Top Box Information generation buffer memorys and preserved the characteristic of various Set Top Box.The page cache file successfully calling due to end user is exactly the html text file generating, and does not need database to conduct interviews, and does not need PHP to compile, and has really realized the staticize of the page.The effect of caching method of the present invention is as follows: owing to loading ready-made html text file, and as long as load picture seldom, greatly accelerated the speed that is written into of the page, and then given the good viewing experience of user.
Fig. 3 is the flow chart that the present invention is preferably based on the page cache method of IPTV, it can be realized by the page cache system based on IPTV 100 as shown in Figure 1, described page cache method is preferably applied in video interactive service, and described method comprises that step has:
Step S301, when Set Top Box is first during the request access page, obtains the Set Top Box information of Set Top Box, and described Set Top Box information comprises the browser information of Set Top Box and Set Top Box attribute information etc.
Step S302, according to Set Top Box information, utilizes Snoopy class to carry out analog set top accession page and obtains the pagefile of the page.
Step S303, by the first regular expression, obtains a plurality of pictures in pagefile, specifically obtains image information and the positional information of a plurality of pictures in pagefile.
Step S304, according to the image information of a plurality of pictures and positional information, is integrated into a synthesising picture a plurality of pictures by position separately.
Step S305, by the second regular expression, replaces to synthesising picture to generate page cache file by the Background of pagefile.The title of described page cache file comprises Page Name, page place number of pages and Set Top Box type.
Step S306, during Set Top Box subsequent request accession page, according to the page properties information of the page of request access and Set Top Box information, calls corresponding page cache file to carry out the access of the described page.
In sum, the present invention uses certain Set Top Box for the first time during accession page user, obtain the Set Top Box information of described Set Top Box, preferably include browser information and the Set Top Box attribute information of described Set Top Box, simulate again the pagefile that described Set Top Box is accessed the described page and obtained the described page, and a plurality of pictures in described pagefile are integrated into a synthesising picture, then the Background of pagefile is replaced to synthesising picture to generate page cache file, when user uses Set Top Box again described in request access during the page, can call corresponding page cache file according to the Set Top Box information of self and just can realize the access to the page.Because the present invention is when the accession page, owing to loading ready-made page cache file, and only need load a synthesising picture, need compared to existing technology a plurality of pictures in load page file, it has greatly reduced quantity and the size Loading Image, therefore greatly improve the page loading velocity of Set Top Box, and then promoted user's experience.And the page cache file that Set Top Box is called is exactly the pagefile of request access, and no longer need database to conduct interviews and caching process, thereby really realized the staticize of the page.The present invention is particularly useful for the video interactive service in IPTV field, and is used for TV and surfs the web.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (14)
1. the page cache method based on IPTV, is characterized in that, comprises that step has:
When Set Top Box is first during the request access page, obtain the Set Top Box information of described Set Top Box;
According to described Set Top Box information, simulate the pagefile that described Set Top Box is accessed the described page and obtained the described page;
Obtain a plurality of pictures in described pagefile;
A plurality of described pictures are integrated into a synthesising picture;
The Background of described pagefile is replaced to described synthesising picture to generate page cache file, and described page cache file comprises described Set Top Box information and page properties information;
When described Set Top Box subsequent request is accessed the described page, according to the page properties information of the described page of request access and described Set Top Box information, call corresponding described page cache file to carry out the access of the described page.
2. page cache method according to claim 1, is characterized in that, described Set Top Box information comprises browser information and the Set Top Box attribute information of described Set Top Box.
3. page cache method according to claim 1, is characterized in that, described according to Set Top Box information, simulates the step that described Set Top Box accesses the described page and obtain the pagefile of the described page and comprises:
Utilize Snoopy class to come according to described Set Top Box information, simulate the described pagefile that described Set Top Box is accessed the described page and obtained the described page.
4. page cache method according to claim 1, is characterized in that, described in obtain a plurality of pictures in pagefile step comprise:
By the first regular expression, obtain a plurality of described picture in described pagefile;
The described Background by pagefile replaces to described synthesising picture and comprises to generate the step of page cache file:
By the second regular expression, the Background of described pagefile is replaced to described synthesising picture to generate described page cache file.
5. page cache method according to claim 1, is characterized in that, the title of described page cache file comprises Page Name, page place number of pages and Set Top Box type.
6. page cache method according to claim 1, is characterized in that, described page cache method is applied in video interactive service.
7. according to the page cache method described in claim 1~6 any one, it is characterized in that, described in obtain a plurality of pictures in pagefile step comprise:
Obtain image information and the positional information of a plurality of described pictures in described pagefile;
The described step that a plurality of pictures are integrated into a synthesising picture comprises:
According to the described image information of a plurality of described pictures and described positional information, a plurality of described pictures are integrated into one by position separately described in synthesising picture.
8. the page cache system based on IPTV, is characterized in that, includes:
Set Top Box acquisition of information module, for when Set Top Box is first during the request access page, obtains the Set Top Box information of described Set Top Box;
Pagefile acquisition module, for according to described Set Top Box information, simulates the pagefile that described Set Top Box is accessed the described page and obtained the described page;
Picture acquisition module, for obtaining a plurality of pictures of described pagefile;
Picture synthesis module, for being integrated into a synthesising picture by a plurality of described pictures;
Buffer memory generation module, for the Background of described pagefile being replaced to described synthesising picture to generate page cache file, and described page cache file comprises described Set Top Box information and page properties information;
Buffer memory calling module, for when described Set Top Box subsequent request is accessed the described page, according to the page properties information of the described page of request access and described Set Top Box information, calls corresponding described page cache file to carry out the access of the described page.
9. page cache system according to claim 8, is characterized in that, described Set Top Box information comprises browser information and the Set Top Box attribute information of described Set Top Box.
10. page cache system according to claim 8, is characterized in that, described pagefile acquisition module is used for utilizing Snoopy class to come according to described Set Top Box information, simulates the described pagefile that described Set Top Box is accessed the described page and obtained the described page.
11. page cache systems according to claim 8, is characterized in that, described picture acquisition module also, for by the first regular expression, obtains a plurality of described picture in described pagefile;
Described buffer memory generation module also, for by the second regular expression, replaces to described synthesising picture to generate described page cache file by the Background of described pagefile.
12. page cache systems according to claim 8, is characterized in that, the title of described page cache file comprises Page Name, page place number of pages and Set Top Box type.
13. page cache systems according to claim 8, is characterized in that, described page cache system applies is in video interactive service.
Page cache system described in 14. according to Claim 8~13 any one, is characterized in that, described picture acquisition module is also for obtaining image information and the positional information of a plurality of described pictures of described pagefile;
Described picture synthesis module is also for according to the described image information of a plurality of described pictures and described positional information, a plurality of described pictures are integrated into one by position separately described in synthesising picture.
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CN102984574B (en) * | 2012-10-31 | 2016-01-20 | 北京裕兴软件有限公司 | Embedded type browser caching management method and system thereof |
CN103024608B (en) * | 2012-11-19 | 2016-08-03 | Tcl集团股份有限公司 | The method and device that a kind of network media is play |
CN103237003B (en) * | 2013-01-17 | 2016-04-06 | 北京印天网真科技有限公司 | To the method and apparatus that the high flowing of access in network responds |
CN108012198A (en) * | 2016-10-31 | 2018-05-08 | 北京国双科技有限公司 | The method for obtaining path and device of page column |
CN110427584A (en) * | 2019-07-11 | 2019-11-08 | 北京字节跳动网络技术有限公司 | Page generation method, device, electronic equipment and computer readable storage medium |
CN112650546B (en) * | 2019-10-11 | 2022-06-10 | 华为技术有限公司 | Page display method and wearable device |
CN112770175A (en) * | 2019-11-05 | 2021-05-07 | 爱上电视传媒(北京)有限公司 | Application method of EPG page in IPTV system |
CN111464872B (en) * | 2020-04-24 | 2021-10-19 | 四川九州电子科技股份有限公司 | Method and platform system for realizing set top box Web content editing |
CN114339369A (en) * | 2021-12-29 | 2022-04-12 | 四川九州电子科技股份有限公司 | Television end page display method suitable for set top box |
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