CN102724586A - 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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- CN102724586A CN102724586A CN2012102311186A CN201210231118A CN102724586A CN 102724586 A CN102724586 A CN 102724586A CN 2012102311186 A CN2012102311186 A CN 2012102311186A CN 201210231118 A CN201210231118 A CN 201210231118A CN 102724586 A CN102724586 A CN 102724586A
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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) is meant ((Internet Protocol based on IP; Internet protocol) visual broadcast service of agreement; This business as the terminal, provides broadbands such as digital broadcast television, Video service, information service, interactive community, interactive amusement and recreation, ecommerce professional in television set or computer to the user through broadband network.When using television set, need the network access device of configuration machine top box on this television set as necessity as the terminal.But, cause the page processing on television set and the computer to have much different owing to the performance limitations of the built-in browser in the STB and the reasons such as display characteristic of television set.
In addition, existing IPTV is professional uses (Video Interactive Service, video interactive service) to use the link as user direct contact; The user passes through VIS (Video Interactive Service when watching and use IPTV; Video interactive service) can find easily the program category oneself liking seeing (like TV play, news, physical culture; Entertainment etc.), so the production technique of VIS has direct influence to user's use experience.It is PHP (Hypertext Preprocessor that VIS uses the language that adopts usually; Supertext preliminary treatment language); PHP is the embedded language of a kind of HTML (Hypertext Markup Language, HTML), is a kind of script of the embedding html document of carrying out at server end; The style of language is similar to the C language, by utilization widely.When the user watches IPTV, can pass through EPG (Electronic Program Guide, electronic program guides) and select oneself to want the VIS that watches to be used for watching targetedly.VIS is a kind of targeted, recommendatory application, and it is to introduce intuitively to the user is a kind of through picture (like TV play, see sheet etc.) that the certain applications page is wherein arranged, and this pattern receives users' welcome deeply.But because picture is too many, problem slow even that the part picture can't show can appear loading on the STB 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 mainly 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 obvious.
Two, to refresh all be to carry out database request to the page at every turn, taken the lot of data base resource.
Can know that to sum up the page cache technology of existing IPTV obviously exists inconvenience and defective, so be necessary to improve on reality is used.
Summary of the invention
To above-mentioned defective, the object of the present invention is to provide a kind of page cache method and system, the page loading velocity when it can improve accession page greatly based on IPTV.
To achieve these goals, the present invention provides a kind of page cache method based on IPTV, comprises that step has:
When STB asks to visit certain page first, obtain the STB information of said STB;
According to said STB information, simulate the pagefile that said STB is visited the said page and obtained the said page;
Obtain a plurality of pictures in the said pagefile;
A plurality of said pictures are integrated into a synthesising picture;
The Background of said pagefile is replaced to said synthesising picture with generation page cache file, and comprise said STB information and page properties information in the said page cache file;
When said STB subsequent request is visited the said page,, call corresponding said page cache file to carry out the visit of the said page according to the page properties information and the said STB information of the said page of request visit.
According to page cache method of the present invention, said STB information comprises the browser information and the STB attribute information of said STB.
According to page cache method of the present invention, said according to STB information, simulate the step that said STB visits the said page and obtain the pagefile of the said page and comprise:
Utilize the Snoopy class to come to simulate the said pagefile that said STB is visited the said page and obtained the said page according to said STB information.
According to page cache method of the present invention, the said step of obtaining a plurality of pictures in the pagefile comprises:
Through first regular expression, obtain a plurality of said picture in the said pagefile;
Said Background with pagefile replaces to said synthesising picture and comprises with the step that generates the page cache file:
Through second regular expression, the Background of said pagefile is replaced to said synthesising picture to generate said page cache file.
According to page cache method of the present invention, comprise Page Name, page place number of pages and STB type in the title of said page cache file.
According to page cache method of the present invention, said page cache method is applied in the video interactive service.
According to page cache method of the present invention, the said step of obtaining a plurality of pictures in the pagefile comprises:
Obtain the image information and the positional information of a plurality of said pictures in the said pagefile;
The said step that a plurality of pictures are integrated into a synthesising picture comprises:
According to the said image information and the said positional information of a plurality of said pictures, be integrated into a said synthesising picture to a plurality of said pictures by position separately.
The present invention also provides a kind of page cache system based on IPTV, includes:
STB information acquisition module is used for when STB asks to visit certain page first, obtaining the STB information of said STB;
The pagefile acquisition module is used for simulating the pagefile that said STB is visited the said page and obtained the said page according to said STB information;
The picture acquisition module is used for obtaining a plurality of pictures of said pagefile;
The picture synthesis module is used for a plurality of said pictures are integrated into a synthesising picture;
The buffer memory generation module is used for the Background of said pagefile is replaced to said synthesising picture with generation page cache file, and comprises said STB information and page properties information in the said page cache file;
The buffer memory calling module is used for when said STB subsequent request is visited the said page, according to the page properties information and the said STB information of the said page of asking visit, calls corresponding said page cache file to carry out the visit of the said page.
According to page cache of the present invention system, said STB information comprises the browser information and the STB attribute information of said STB.
According to page cache of the present invention system, said pagefile acquisition module is used to utilize the Snoopy class to simulate the said pagefile that said STB is visited the said page and obtained the said page according to said STB information.
According to page cache of the present invention system, said picture acquisition module also is used for through first regular expression, obtains a plurality of said picture in the said pagefile;
Said buffer memory generation module also is used for through second regular expression, and the Background of said pagefile is replaced to said synthesising picture to generate said page cache file.
According to page cache of the present invention system, comprise Page Name, page place number of pages and STB type in the title of said page cache file.
According to page cache of the present invention system, said page cache method is applied in the video interactive service.
According to page cache of the present invention system, said picture acquisition module also is used for obtaining the image information and the positional information of a plurality of said pictures of said pagefile;
Said picture synthesis module also is used for according to the said image information of a plurality of said pictures and said positional information, is integrated into a said synthesising picture to a plurality of said pictures by position separately.
When the present invention uses certain STB accession page first time the user; Obtain the STB information of said STB; Preferably include the browser information and the STB attribute information of said STB; Simulate said STB again and visit the said page and the pagefile that obtains the said page, and a plurality of pictures in the said pagefile are integrated into a synthesising picture, the Background with pagefile replaces to synthesising picture to generate the page cache file then; When the user uses STB to ask to visit the said page once more, can call the corresponding page cache file according to the STB information of self and just can realize visit the page.Because the present invention is when accession page; Owing to load ready-made page cache file; And only need load opening and closing and become picture, to compare prior art and need a plurality of pictures in the load page file, it has significantly reduced quantity and the size that Loads Image; Therefore improve the page loading velocity of STB greatly, and then promoted user experience.And the page cache file that STB called is exactly the pagefile of request visit, and no longer need database be conducted 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 more and surfs the web.
Description of drawings
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 the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is the structural representation that the present invention is based on the page cache system of IPTV; And said page cache system 100 includes STB information acquisition 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:
STB information acquisition module 10 is used for when STB asks to visit certain page first, obtaining the STB information of said STB.Said STB information preferably includes the browser information and the STB attribute information of STB, and said browser information can be type and version of browser etc., and said STB attribute information can be STB type, hardware parameter etc.The said page is preferably webpage.
Picture acquisition module 30 is used for obtaining a plurality of pictures of pagefile, and preferably, picture acquisition module 30 is used for obtaining the image information and the positional information of a plurality of pictures of pagefile.
Buffer memory generation module 50 is used for the Background of the pagefile of the page is replaced to synthesising picture, generating the page cache file, and comprises STB information and page properties information in the said page cache file.Cache file is divided into two parts: merge synthesising picture and pagefile after handling.Preferably; Comprise Page Name, page place number of pages and STB type etc. in the title of said page cache file; Work as the user like this and visit the said page in the entry-into-force time once more, just can call cache file separately according to what user's information (user has STB information through the STB visit) was sat in the right seat at buffer memory.
Buffer memory calling module 60 is used for when said STB subsequent request accession page, according to the page properties information and the STB information of the page of request visit, calls the corresponding page cache file.
The present invention is a kind of caching technology that can be used for the raising page loading of IPTV, and the VIS (video interactive service) that is particularly useful for the IPTV field uses, and is used for TV more and surfs the web.When the present invention uses certain STB accession page first time through certain user; Obtain the browser information and the STB information of the built-in browser of this STB; Login through this STB of this analoglike of Snoopy.class.php (browser information and STB information); Obtain the last page cache file that generates, in the cache-time of regulation, this page of visit once more of user all no longer carries out caching process like this.
Preferably; Picture acquisition module 30 also is used for through first regular expression; Obtain a plurality of pictures in the pagefile, buffer memory generation module 50 also is used for through second regular expression, and the Background of pagefile is replaced to synthesising picture to generate the page cache file.Said regular expression is a kind of logical formula to string operation; Exactly with some specific characters that define in advance and the combination of said specific character; Form a regular character string, said 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; Obtain the image information and the positional information of a plurality of pictures in the said pagefile that the front obtains with first regular expression; Said positional information is position and the picture length and width of picture place DIV (division, piece level element).And filter the particular picture that need not integrate on some ad-hoc location; Because may there be GIF (Graphics Interchange Format in the particular picture on these ad-hoc locations; Graphic interchange format) animation types, such ad-hoc location is defined as " Position " type in VIS uses.Utilize PHP (Hypertext Preprocessor then; Supertext preliminary treatment language) GD (Graphic Device; The tool image storehouse) storehouse generates a new synthesising picture, promptly all press separately the position refigure to a plurality of pictures that obtain on the newly-built synthesising picture and under the preservation.So just realized that merging into opening and closing to all pictures of the page becomes picture, then as long as become picture to scheme as a setting to load to these opening and closing.Next, the former Background in the pagefile is replaced with new synthesising picture, then those merged picture layer DIV are changed to sky, save as new page cache file with second regular expression.
In the another specific embodiment of the present invention; Be embedded in the VIS application; Develop with the PHP language 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/.The Snoopy class is a PHP class, the function that is used for imitating browser, and it can accomplish content of pages and the task of sending list obtained.The characteristics of Snoopy class comprise: the convenient content that grasps the page; The convenient content of text (removal html tag) that grasps the page; The convenient link of grasping the page; Support proxy; Support basic usemame/password checking; Support is provided with user_agent (user agent), referer (incoming road), cookies and header content (header file); The support browser turns to, and can control and turn to the degree of depth; Link in the page can be extended to high-quality URL (Uniform Resoure Locator: URL); Conveniently submit data to and obtain return value; Support to follow the tracks of the HTML framework; Transmit cookies etc. when supporting to turn to again.
Said Snoopy class specifically can comprise:
Picture obtains function: be used for obtaining a plurality of pictures in the page DIV, comprise the image information of obtaining this picture and the position of this picture place DIV, the length of picture and wide.
Generate the buffer memory function: be responsible for generating the page cache file, said page cache file is divided into two parts: merge synthesising picture file and html file after handling.The synthesising picture file that utilizes the GD storehouse of PHP to generate by the pictorial information in the DIV that is obtained all press separately the position refigure to all pictures that obtain on the newly-built synthesising picture also under the preservation.Html file then is to use the former Background of the canonical replacement page to be synthesising picture; Then those merged picture layer DIV are changed to sky; Save as new html page file, the naming rule of this page cache file is made up of Page Name, STB type, place number of pages.
Said 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 withdraw from etc.
Fig. 2 is the flow chart that the present invention is based on the page cache method of IPTV, and it can realize that said page cache method is preferably applied in the video interactive service, and said method comprises that step has through the page cache system 100 based on IPTV as shown in Figure 1:
Step S201 when STB asks to visit certain page first, obtains the STB information of STB.Said STB information preferably includes the browser information and the STB attribute information of STB, and said browser information can be type and version of browser etc., and said STB attribute information can be STB type, hardware parameter etc.
Step S202, according to STB information, the analog set top accession page also obtains the pagefile of the page, and said pagefile is preferably the html page file.
Step S203 obtains a plurality of pictures in the pagefile.Preferably, obtain a plurality of pictures in the pagefile through first regular expression.
Step S204 is integrated into a synthesising picture with a plurality of pictures.
Step S205 replaces to synthesising picture generating the page cache file with the Background of pagefile, and comprises STB information and page properties information in the page cache file.Preferably through second regular expression, the Background of pagefile is replaced to synthesising picture to generate the page cache file.
Step S206 during STB subsequent request accession page, according to the page properties information and the STB information of the page of asking visit, calls the corresponding page cache file to carry out the visit of the said page.
The present invention is that opening and closing become picture through plurality of pictures on the merge page; Can significantly reduce the quantity of picture, and the size (file size is meant that a file takies the size of the disk space of computer) of the new synthesising picture file that generates is far smaller than the summation of original plurality of pictures.Because the page cache file that different STBs generate is inequality, the acquiescence key response of such STB, the size that acquiescence represents the page etc. have been comprised in the page cache file of generation.So characteristic that generates buffer memorys and preserved various STBs according to different STB information.Because the page cache file that end user successfully calls is exactly the html text file that generates, and need not conduct interviews to database, 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 following: owing to load ready-made html text file, and, accelerated the speed that is written into of the page greatly as long as load picture seldom, and and then give 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 through the page cache system 100 based on IPTV as shown in Figure 1; Said page cache method is preferably applied in the video interactive service, and said method comprises that step has:
Step S301 when STB asks to visit certain page first, obtains the STB information of STB, and said STB information comprises browser information and STB attribute information of STB etc.
Step S302 according to STB information, utilizes the Snoopy class to come the analog set top accession page and obtains the pagefile of the page.
Step S303 through first regular expression, obtains a plurality of pictures in the pagefile, specifically is image information and the positional information of obtaining a plurality of pictures in the pagefile.
Step S304 according to the image information and the positional information of a plurality of pictures, is integrated into a synthesising picture to a plurality of pictures by position separately.
Step S305 through second regular expression, replaces to synthesising picture to generate the page cache file with the Background of pagefile.Comprise Page Name, page place number of pages and STB type in the title of said page cache file.
Step S306 during STB subsequent request accession page, according to the page properties information and the STB information of the page of asking visit, calls the corresponding page cache file to carry out the visit of the said page.
In sum; When the present invention uses certain STB accession page first time the user; Obtain the STB information of said STB, preferably include the browser information and the STB attribute information of said STB, simulate said STB again and visit the said page and the pagefile that obtains the said page; And a plurality of pictures in the said pagefile are integrated into a synthesising picture; Background with pagefile replaces to synthesising picture to generate the page cache file then, when the user uses STB to ask to visit the said page once more, can call the corresponding page cache file according to the STB information of self and just can realize the visit to the page.Because the present invention is when accession page; Owing to load ready-made page cache file; And only need load opening and closing and become picture, to compare prior art and need a plurality of pictures in the load page file, it has significantly reduced quantity and the size that Loads Image; Therefore improve the page loading velocity of STB greatly, and then promoted user experience.And the page cache file that STB called is exactly the pagefile of request visit, and no longer need database be conducted 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 more and surfs the web.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, 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 STB asks to visit certain page first, obtain the STB information of said STB;
According to said STB information, simulate the pagefile that said STB is visited the said page and obtained the said page;
Obtain a plurality of pictures in the said pagefile;
A plurality of said pictures are integrated into a synthesising picture;
The Background of said pagefile is replaced to said synthesising picture with generation page cache file, and comprise said STB information and page properties information in the said page cache file;
When said STB subsequent request is visited the said page,, call corresponding said page cache file to carry out the visit of the said page according to the page properties information and the said STB information of the said page of request visit.
2. page cache method according to claim 1 is characterized in that, said STB information comprises the browser information and the STB attribute information of said STB.
3. page cache method according to claim 1 is characterized in that, and is said according to STB information, simulates the step that said STB visits the said page and obtain the pagefile of the said page and comprises:
Utilize the Snoopy class to come to simulate the said pagefile that said STB is visited the said page and obtained the said page according to said STB information.
4. page cache method according to claim 1 is characterized in that, the said step of obtaining a plurality of pictures in the pagefile comprises:
Through first regular expression, obtain a plurality of said picture in the said pagefile;
Said Background with pagefile replaces to said synthesising picture and comprises with the step that generates the page cache file:
Through second regular expression, the Background of said pagefile is replaced to said synthesising picture to generate said page cache file.
5. page cache method according to claim 1 is characterized in that, comprises Page Name, page place number of pages and STB type in the title of said page cache file.
6. page cache method according to claim 1 is characterized in that, said page cache method is applied in the video interactive service.
7. according to each described page cache method of claim 1 ~ 6, it is characterized in that the said step of obtaining a plurality of pictures in the pagefile comprises:
Obtain the image information and the positional information of a plurality of said pictures in the said pagefile;
The said step that a plurality of pictures are integrated into a synthesising picture comprises:
According to the said image information and the said positional information of a plurality of said pictures, be integrated into a said synthesising picture to a plurality of said pictures by position separately.
8. the page cache system based on IPTV is characterized in that, includes:
STB information acquisition module is used for when STB asks to visit certain page first, obtaining the STB information of said STB;
The pagefile acquisition module is used for simulating the pagefile that said STB is visited the said page and obtained the said page according to said STB information;
The picture acquisition module is used for obtaining a plurality of pictures of said pagefile;
The picture synthesis module is used for a plurality of said pictures are integrated into a synthesising picture;
The buffer memory generation module is used for the Background of said pagefile is replaced to said synthesising picture with generation page cache file, and comprises said STB information and page properties information in the said page cache file;
The buffer memory calling module is used for when said STB subsequent request is visited the said page, according to the page properties information and the said STB information of the said page of asking visit, calls corresponding said page cache file to carry out the visit of the said page.
9. page cache according to claim 8 system is characterized in that said STB information comprises the browser information and the STB attribute information of said STB.
10. page cache according to claim 8 system is characterized in that, said pagefile acquisition module is used to utilize the Snoopy class to simulate the said pagefile that said STB is visited the said page and obtained the said page according to said STB information.
11. page cache according to claim 8 system is characterized in that said picture acquisition module also is used for through first regular expression, obtains a plurality of said picture in the said pagefile;
Said buffer memory generation module also is used for through second regular expression, and the Background of said pagefile is replaced to said synthesising picture to generate said page cache file.
12. page cache according to claim 8 system is characterized in that, comprises Page Name, page place number of pages and STB type in the title of said page cache file.
13. page cache according to claim 8 system is characterized in that, said page cache method is applied in the video interactive service.
14. each described page cache system is characterized in that according to Claim 8 ~ 13, said picture acquisition module also is used for obtaining the image information and the positional information of a plurality of said pictures of said pagefile;
Said picture synthesis module also is used for according to the said image information of a plurality of said pictures and said positional information, is integrated into a said synthesising picture to a plurality of said pictures by position separately.
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| CN103237003A (en) * | 2013-01-17 | 2013-08-07 | 北京印天网真科技有限公司 | Method and device for responding to high visiting flow in network |
| 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 |
| CN112650546A (en) * | 2019-10-11 | 2021-04-13 | 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 |
| CN111464872A (en) * | 2020-04-24 | 2020-07-28 | 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 |
| 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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