CN101626339A - Method and system for downloading network data - Google Patents
Method and system for downloading network data Download PDFInfo
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- CN101626339A CN101626339A CN200810040649A CN200810040649A CN101626339A CN 101626339 A CN101626339 A CN 101626339A CN 200810040649 A CN200810040649 A CN 200810040649A CN 200810040649 A CN200810040649 A CN 200810040649A CN 101626339 A CN101626339 A CN 101626339A
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Abstract
The invention relates to a method for downloading network data, which comprises the following steps that: a network server transmits a data information file to an RSS reader of a client; the data information file comprises a data updating identifier corresponding to data information; the RSS reader calls a data storage identifier corresponding to the data information of the inside, respectively compares the data updating identifier with the data storage identifier corresponding to the data information and determines the data information of which the data storage identifier is less than the data updating identifier; and the RSS reader downloads the data information in the network server. The invention also provides a system for downloading the network data. The method and the system can reduce the information interaction frequency between the RSS reader and the network server and effectively improve the efficiency of downloading the network data by using the RSS.
Description
Technical field
The present invention relates to the network data downloading field, particularly relate to a kind of method for down loading and download system of network data.
Background technology
Content-aggregated (RSS Really Simple Syndication) is a kind of easy means of online shared network data.Use the RSS download of network data, need in client the RSS reader to be installed, at the webserver download of network data of supporting that RSS downloads, RSS mode download of network data has advantages such as simple and easy, quick.The specific implementation step is consulted Fig. 1.
The RSS reader of step S101, client gets access to the download address information of user's input, and this download address information is sent to the webserver.
Step S102, the webserver return the XML file of this download address information correspondence to the RSS reader.The webserver during (or blogger) Data Update, upgrades the XML file of this website correspondence in the website synchronously.The XML file comprises the current contents list of website, all corresponding webpage of every information in the contents list, and every information comprises the download address and the descriptor of this webpage.
Step S103, when the RSS reader need upgrade network data,, send download request information one by one to the webserver according to every information of contents list in the XML file.
Step S104, the webserver be according to download request information, and the data of each webpage are sent to the RSS reader one by one, and the RSS reader upgrades network data.
In the above-mentioned use RSS download of network data process, because website data is brought in constant renewal in, the XML file constantly is updated thereupon, but website data upgrades at every turn usually, and just wherein a small amount of web data is upgrading, and most of web data does not change.The RSS reader is downloaded each web data one by one according to every information of contents list in the XML file, the web data that meeting repeated downloads major part is not upgraded, the efficient of reduction download of network data.
Be the web data of avoiding above-mentioned repeated downloads major part not upgrade, prior art adopts at the webserver and judges whether to need to download this web data in advance, in this way, downloads this web data again, with the web data of avoiding the repeated downloads major part not upgrade.The specific implementation step is consulted Fig. 2.
The RSS reader of step S201, client gets access to the download address information of user's input, and download address information is sent to the webserver.
Step S202, the webserver return the XML file of this download address information correspondence to the RSS reader.
Step S203, when the RSS reader need upgrade network data according to every information of contents list in the XML file, send download request information one by one to the webserver, this download request information comprises the data holding time of this web data of preservation of client.
Step S204, the webserver are transferred the update time of this webpage, compare with preservation, as being later than the holding time update time, show that this web data upgrades, and forwards step S205 to after the RSS reader is preserved; As update time early than or equal the holding time, show that this web data upgrades after the RSS reader is preserved, the webserver does not return this web data.
Step S205, the webserver send this web data to the RSS reader, and the RSS reader upgrades network data.
In above-mentioned steps, after the webserver judge to be selected, the web data behind the down loading updating was to the RSS reader again, the web data of avoiding the repeated downloads major part not upgrade.But this method still needs every the information of RSS reader according to contents list in the XML file, sends download request information one by one to the webserver.Contents list generally includes up to a hundred information in the XML file, sends download request information one by one and makes between the RSS reader and the webserver information interaction times too much, can not effectively improve the efficient of using the RSS download of network data.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method for down loading of network data, and this method for down loading can reduce information interaction times between the RSS reader and the webserver, effectively improves the efficient of using the RSS download of network data.
Another object of the present invention provides a kind of download system of network data, and this download system can reduce information interaction times between the RSS reader and the webserver, effectively improves the efficient of using the RSS download of network data.
The method for down loading of a kind of network data of the present invention comprises: the webserver transmits the RSS reader of data information file to client, and described data information file comprises the Data Update sign of each data information correspondence; Described RSS reader is transferred the data of inner each data information correspondence and is preserved sign, and relatively the Data Update of each data information correspondence sign and data are preserved sign respectively, and specified data is preserved the data information of sign less than the Data Update sign; Described RSS reader is downloaded described data information at the described webserver.
Preferably, also comprise: the webserver adds the Data Update sign of each data information correspondence in the data information file; When the described webserver upgrades data information, upgrade the Data Update sign of described data information correspondence synchronously.
Preferably, also comprise: when described RSS reader upgrades the data information of inner preservation, upgrade the data of described data information correspondence synchronously and preserve sign.
Preferably, described RSS reader also comprises after the described webserver is downloaded described data information: described RSS reader is preserved sign with described Data Update sign as data, upgrades former data and preserves sign.
Preferably, described Data Update sign and data are preserved and are designated timestamp.
Preferably, described Data Update sign and data are preserved and are designated the Data Update number of times.
Preferably, press the content erotic degree of data information, data information is divided into sensitive data data and nonsensitive data data, the Data Update sign of sensitive data data and data are preserved and are designated the Data Update number of times; The Data Update sign of nonsensitive data data and data are preserved and are designated timestamp.
Preferably, described data information file is the XML file.
The download system of a kind of network data of the present invention, comprise the webserver and client, the built-in RSS reader of described client, the described webserver comprises file delivery module, described RSS reader comprises comparison module and data download module: described file delivery module, be used to transmit the data information file to described comparison module, described data information file comprises the Data Update sign of each data information correspondence; Described comparison module, the data that are used to transfer inner each data information correspondence are preserved sign, and relatively the Data Update of each data information correspondence sign and data are preserved and are identified respectively, and comparative result is sent to described data download module; Described data download module is used for specified data and preserves the data information of sign less than the Data Update sign, downloads described data information at the described webserver.
Preferably, the described webserver comprises that also the Data Update sign is added module and the described Data Update sign of Data Update identification renewal module is added module, is used for adding at the data information file Data Update sign of each data information correspondence; Described Data Update identification renewal module is used for when upgrading data information, upgrades the Data Update sign of described data information correspondence synchronously.
Preferably, described RSS reader also comprises data preservation identification renewal module, is used for when upgrading the data information of inner preservation, and the data preservation of upgrading described data information correspondence synchronously identifies.
Preferably, described Data Update sign and data are preserved and are designated timestamp.
Preferably, described Data Update sign and data are preserved and are designated the Data Update number of times.
Preferably, described data information file is the XML file.
Compared with prior art, the present invention has the following advantages:
The webserver of the present invention adds the Data Update sign of each data information correspondence in the data information file, this data information file is sent to the RSS reader of client, the RSS reader judges according to this Data Update sign whether each data information of self preserving needs to upgrade, as needs, send the download request information of downloading this data information again and arrive the webserver, avoid every the information of RSS reader according to contents list in the XML file, send download request information one by one to the webserver, reduce information interaction times between the RSS reader and the webserver, effectively improve the efficient of using the RSS download of network data.
Description of drawings
Fig. 1 is the method for down loading signaling diagram of existing network data;
Fig. 2 is the method for down loading signaling diagram of existing another kind of network data;
The network data method for down loading signaling diagram that Fig. 3 provides for first embodiment of the invention;
The network data method for down loading signaling diagram that Fig. 4 provides for second embodiment of the invention;
The network data download system schematic diagram that Fig. 5 provides for first embodiment of the invention;
The network data download system schematic diagram that Fig. 6 provides for second embodiment of the invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
The present invention is applicable to and adopts RSS mode data download data between the client and the webserver.The webserver adds the Data Update sign of each data information correspondence in the data information file, this data information file is sent to the RSS reader of client, the RSS reader judges according to this Data Update sign whether each data information of self preserving needs to upgrade, as needs, send the download request information of downloading this data information again and arrive the webserver, reduce information interaction times between the RSS reader and the webserver, effectively improve the efficient of using the RSS download of network data.The specific implementation step is consulted Fig. 3.
Step S301, the webserver transmit the RSS reader of data information file to client.Network data in the webserver constantly changes, upgrades, and each network data is upgraded, and the webserver upgrades corresponding data information file synchronously.This data information file is generally the XML file, and this XML file comprises download link address, descriptor, and the Data Update sign of each data information.
The Data Update sign can be timestamp or Data Update number of times, and timestamp is the recent renewal time of this data information, and as 2007:10:03 07:30:12, the recent renewal time of representing this data information is 7: 30: 12 on the 3rd October in 2007.The Data Update number of times is represented this data information in produce, and the number of times that has upgraded as ID=5, represents that this data information had upgraded 5 times.
As, the webserver is set up corresponding XML file for certain website data, content tabulation in this XML file, every information is all to a webpage that should the website in the contents list, and every information all shows download link address, title content information, and the more new logo of this web page contents of its corresponding webpage.For example, URLfinance.ifeng.com/; Phoenix net news web page; 2007:10:03 07:30:12.
Step S302, RSS reader are transferred the data of inner each data information correspondence and are preserved sign.When the RSS reader upgrades the data information of inner preservation, upgrade the data of this data information correspondence synchronously and preserve sign.
Data are preserved sign and be can be timestamp or Data Update number of times, and timestamp is the holding time of this data information, and as 2007:10:03 07:20:59, the holding time of representing this data information is 7: 20: 59 on the 3rd October in 2007.The Data Update number of times is represented this data information from preserving first, and the number of times that has upgraded as ID=4, represents that this data information had upgraded 4 times.
Step S303, RSS reader compare the Data Update sign and the data of each data information correspondence respectively and preserve sign, preserve as the data of data data to identify less than the Data Update sign, show that this data information upgrades, forwards step S304 to; Preserve sign greater than the Data Update sign as the data of data data, show that this data information does not upgrade, need not arrive web server requests and download this data information.
The RSS reader is resolved the XML file that obtains, and obtains contents list in this XML file, reaches the download link address in each information in this contents list, title content information, reaches the Data Update sign.Contrast this contents list, relatively the Data Update of each correspondence sign and data are preserved sign to the RSS reader one by one.
As, Data Update sign and data are preserved and are designated timestamp, the size of this timestamp relatively then, for example, Data Update is designated 2007:10:03 07:30:12, data are preserved and are designated 2007:10:03 07:20:59, the more above-mentioned time, specified data is preserved sign less than the Data Update sign, represents that this data information is after client storage, upgraded at the webserver, needed to download this data information.
As, Data Update sign and data are preserved and are designated update times, compare the size of update times, for example, Data Update is designated ID=5, data are preserved and are designated ID=4, through comparing, data are preserved sign less than the Data Update sign, represent that this data information is after client storage, upgraded at the webserver, needed to download this data information.
Certainly, for further guaranteeing accuracy relatively, Data Update sign and data preservation sign can be timestamp and add update times, relatively the time, relatively timestamp and update times are respectively preserved the timestamp of identification data and update times when all identifying less than Data Update in data, confirm that just this data information is after client storage, upgraded at the webserver, needed to download this data information.
Step S304, RSS reader are downloaded this data information at the webserver, and upgrade.The RSS reader passes through comparing data more new logo and data preservation sign, confirms that this data information upgrades at the webserver, sends download request to the webserver, downloads this data information.
In network, a website usually comprises up to a hundred webpages, but each web site contents upgrades and may only upgrade wherein several or tens webpages, as each renewal, the RSS reader all sends download request information to the webserver one by one at each webpage, after being judged whether to need to download by the webserver, returns corresponding information to the RSS reader, need up to a hundred times information interaction between the RSS reader and the webserver, influence the network data download efficiency.RSS reader of the present invention need to determine the webpage of renewal in advance, only the webpage that upgrades at needs sends download request information to the webserver, the webserver returns the web data of renewal according to this solicited message, avoid carrying out information interaction at the webpage that does not need to upgrade between the RSS reader and the webserver, reduce information interaction times, improve the download efficiency of network data.
For example, certain website comprises 130 webpages such as homepage, news web page, physical culture webpage, amusement webpage, when website data upgrades, only upgrades wherein news web page and physical culture webpage, and other webpages do not upgrade.The RSS reader is by relatively the Data Update sign and the data of each webpage correspondence are preserved sign, determine to have only the content of news web page and physical culture webpage to upgrade, other web page contents do not upgrade, the RSS reader sends the download request information of downloading news web page and physical culture web page contents to the webserver at twice, the webserver returns the content of news web page and physical culture page refreshment, and the RSS reader upgrades.As seen, the RSS reader and the webserver only need twice information interaction promptly to finish the down loading updating of this time network data.
The present invention can be divided into sensitive data data and nonsensitive data data with data information according to the sensitivity of data information, and the Data Update sign of sensitive data data and data are preserved sign and adopted the Data Update number of times; The Data Update sign of nonsensitive data data and data are preserved sign and are adopted timestamp, to make things convenient for the inquiry of user to the sensitive data data.
Read for the convenience of the user, RSS reader of the present invention can keep upgrading synchronously with the webserver, after the each renewal of the network data of the webserver, transmit corresponding XML file to the RSS reader, the RSS reader identifies according to the Data Update in this XML file, need to determine the data updated data, to webserver down loading updating.The specific implementation step is consulted Fig. 4.
Step S401, the webserver add the Data Update sign of each data information correspondence in the XML file.The webserver is divided into sensitive data data and nonsensitive data data according to the sensitivity of data information with data information, and the Data Update sign of sensitive data data adopts the Data Update number of times; The Data Update sign of nonsensitive data data adopts timestamp.
The RSS reader of step S402, client obtains the download address information of user's input, sends this download address information to the webserver.
Step S403, the webserver return corresponding XML file to the RSS reader according to this download address information.
Step S404, RSS reader resolve the XML file that obtains, and obtain the contents list in this XML file, and download address information, descriptor, and the Data Update sign of each information in this contents list.
The contents list of step S405, contrast XML file, the RSS reader is downloaded each data at the webserver, and the Data Update sign of each data is preserved sign as data preserve.
When step S406, the webserver upgrade data information, upgrade the XML file synchronously at every turn, upgrade the Data Update sign of this data information correspondence in the XML file.XML file after the webserver will upgrade sends to the RSS reader.
Step S407, RSS reader compare the Data Update sign and the data of each correspondence of contents list in the XML file one by one and preserve sign.Preserve sign less than the Data Update sign as data, show that this item number upgrades according to data, forwards step S408 to; Preserve sign more than or equal to the Data Update sign as the data of data data, show that this data information does not upgrade, need not arrive web server requests and upgrade this data information.
As the data data is the sensitive data data, Data Update sign and data are preserved and are designated update times, update times not only is convenient to comparison, the renewal that also can clearly show this data information is after several times, the user is when browsing this data information, also can inquire about this data information and be updated number of times, make things convenient for the user to understand the more new situation of sensitive data data.The user also can be as required, and the data information after the each renewal of storage makes things convenient for the data information after the user consults each renewal respectively.
Step S408, RSS reader send the download request information of downloading this data information to the webserver.
Step S409, the webserver are transferred this data information according to this solicited message, return the RSS reader.
Step S410, RSS reader upgrade this data information.
The present invention is by improving the information interactive process of the RSS reader and the webserver, improve the efficient of using RSS reader download of network data, realize the data synchronization updating of the RSS reader and the webserver, make the user can browse to the latest network data at any time.
Based on the method for down loading of above-mentioned network data, the present invention also provides a kind of download system of network data.Consult Fig. 5, this system comprises the webserver 50 and client 60, client 60 built-in RSS readers 61, and the webserver comprises file delivery module 501, RSS reader 61 comprises comparison module 611 and data download module 612.
The RSS reader 61 of the download system of network data of the present invention need to determine the webpage of renewal in advance, only the webpage that upgrades at needs sends download request information to the webserver 50, the webserver 50 returns the web data of renewal according to this solicited message, avoid carrying out information interaction at the webpage that does not need to upgrade between the RSS reader 61 and the webserver 50, reduce information interaction times, improve the download efficiency of network data.
Consult Fig. 6, this system also can comprise the webserver 50 and client 60, client 60 built-in RSS readers 61, the webserver comprises file delivery module 501, Data Update sign interpolation module 502 and Data Update identification renewal module 503, and RSS reader 61 comprises comparison module 611, data download module 612, reaches data preservation identification renewal module 613.
The Data Update sign is added module 502 adds each data information correspondence in the data information file Data Update sign, and this data information file is sent to Data Update identification renewal module 503.
Data Update identification renewal module 503 is upgraded the Data Update sign of data information correspondence synchronously when upgrading data information.
Data are preserved identification renewal module 613 when upgrading the data information of inner preservation, upgrade the data of data information correspondence synchronously and preserve sign.
More than to the method for down loading and the download system of a kind of network data provided by the present invention, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1, a kind of method for down loading of network data is characterized in that, comprising:
The webserver transmits the RSS reader of data information file to client, and described data information file comprises the Data Update sign of each data information correspondence;
Described RSS reader is transferred the data of inner each data information correspondence and is preserved sign, and relatively the Data Update of each data information correspondence sign and data are preserved sign respectively, and specified data is preserved the data information of sign less than the Data Update sign;
Described RSS reader is downloaded described data information at the described webserver.
2, the method for claim 1 is characterized in that, also comprises:
The webserver adds the Data Update sign of each data information correspondence in the data information file;
When the described webserver upgrades data information, upgrade the Data Update sign of described data information correspondence synchronously.
3, the method for claim 1 is characterized in that, also comprises:
When described RSS reader upgrades the data information of inner preservation, upgrade the data of described data information correspondence synchronously and preserve sign.
4, the method for claim 1 is characterized in that, described RSS reader also comprises after the described webserver is downloaded described data information:
Described RSS reader is preserved sign with described Data Update sign as data, upgrades former data and preserves sign.
As each described method of claim 1 to 4, it is characterized in that 5, described Data Update sign and data are preserved and are designated timestamp.
As each described method of claim 1 to 4, it is characterized in that 6, described Data Update sign and data are preserved and are designated the Data Update number of times.
7, as each described method of claim 1 to 4, it is characterized in that, press the content erotic degree of data information, data information is divided into sensitive data data and nonsensitive data data, the Data Update sign of sensitive data data and data are preserved and are designated the Data Update number of times; The Data Update sign of nonsensitive data data and data are preserved and are designated timestamp.
As each described method of claim 1 to 4, it is characterized in that 8, described data information file is the XML file.
9, a kind of download system of network data comprises the webserver and client, and the built-in RSS reader of described client is characterized in that the described webserver comprises file delivery module, and described RSS reader comprises comparison module and data download module:
Described file delivery module is used to transmit the data information file to described comparison module, and described data information file comprises the Data Update sign of each data information correspondence;
Described comparison module, the data that are used to transfer inner each data information correspondence are preserved sign, and relatively the Data Update of each data information correspondence sign and data are preserved and are identified respectively, and comparative result is sent to described data download module;
Described data download module is used for specified data and preserves the data information of sign less than the Data Update sign, downloads described data information at the described webserver.
10, system as claimed in claim 9 is characterized in that, the described webserver also comprises Data Update sign interpolation module and Data Update identification renewal module
Described Data Update sign is added module, is used for adding at the data information file Data Update sign of each data information correspondence;
Described Data Update identification renewal module is used for when upgrading data information, upgrades the Data Update sign of described data information correspondence synchronously.
11, method as claimed in claim 9 is characterized in that, described RSS reader also comprises data preservation identification renewal module, is used for when upgrading the data information of inner preservation, and the data preservation of upgrading described data information correspondence synchronously identifies.
As claim 9,10 or 11 described systems, it is characterized in that 12, described Data Update sign and data are preserved and are designated timestamp.
As claim 9,10 or 11 described systems, it is characterized in that 13, described Data Update sign and data are preserved and are designated the Data Update number of times.
As claim 9,10 or 11 described systems, it is characterized in that 14, described data information file is the XML file.
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Cited By (8)
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CN101867605A (en) * | 2010-05-21 | 2010-10-20 | 中兴通讯股份有限公司 | Method, device and system for improving synchronous efficiency of RSS (Really Simple Syndication) business |
CN102263803A (en) * | 2010-05-24 | 2011-11-30 | 英华达(上海)电子有限公司 | Method, device and system for updating electronic book data |
CN103916373A (en) * | 2013-01-07 | 2014-07-09 | 腾讯科技(深圳)有限公司 | Data updating method, server, client side and system |
CN103986773A (en) * | 2014-05-26 | 2014-08-13 | 北京奇艺世纪科技有限公司 | Data request response method and device |
CN104219250A (en) * | 2014-09-26 | 2014-12-17 | 北京国双科技有限公司 | Webpage data acquisition method and apparatus and webpage data transmission method and device |
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CN107395770A (en) * | 2017-09-06 | 2017-11-24 | 武汉斗鱼网络科技有限公司 | Method of data synchronization and device |
CN110390486A (en) * | 2019-07-25 | 2019-10-29 | 武汉鼎方信息技术有限公司 | Taking care of books method, apparatus and computer readable storage medium |
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2008
- 2008-07-07 CN CN200810040649A patent/CN101626339A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101867605A (en) * | 2010-05-21 | 2010-10-20 | 中兴通讯股份有限公司 | Method, device and system for improving synchronous efficiency of RSS (Really Simple Syndication) business |
WO2011143853A1 (en) * | 2010-05-21 | 2011-11-24 | 中兴通讯股份有限公司 | Method, apparatus and system for improving synchronization efficiency of really simple syndication service |
CN102263803A (en) * | 2010-05-24 | 2011-11-30 | 英华达(上海)电子有限公司 | Method, device and system for updating electronic book data |
CN103916373A (en) * | 2013-01-07 | 2014-07-09 | 腾讯科技(深圳)有限公司 | Data updating method, server, client side and system |
WO2014106417A1 (en) * | 2013-01-07 | 2014-07-10 | Tencent Technology (Shenzhen) Company Limited | Method, server, client and system for updating data |
CN103986773A (en) * | 2014-05-26 | 2014-08-13 | 北京奇艺世纪科技有限公司 | Data request response method and device |
CN104219250A (en) * | 2014-09-26 | 2014-12-17 | 北京国双科技有限公司 | Webpage data acquisition method and apparatus and webpage data transmission method and device |
CN104219250B (en) * | 2014-09-26 | 2017-11-14 | 北京国双科技有限公司 | Web data acquisition methods and device and web data sending method and device |
CN106198362A (en) * | 2016-08-31 | 2016-12-07 | 南京理工大学 | Remote multi-point laser dust particle counter system |
CN107395770A (en) * | 2017-09-06 | 2017-11-24 | 武汉斗鱼网络科技有限公司 | Method of data synchronization and device |
CN110390486A (en) * | 2019-07-25 | 2019-10-29 | 武汉鼎方信息技术有限公司 | Taking care of books method, apparatus and computer readable storage medium |
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