CN102789470A - Method and device for uploading pictures in webpage - Google Patents
Method and device for uploading pictures in webpage Download PDFInfo
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- CN102789470A CN102789470A CN2011101325577A CN201110132557A CN102789470A CN 102789470 A CN102789470 A CN 102789470A CN 2011101325577 A CN2011101325577 A CN 2011101325577A CN 201110132557 A CN201110132557 A CN 201110132557A CN 102789470 A CN102789470 A CN 102789470A
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Abstract
The invention discloses a method and a device for uploading pictures in a webpage and belongs to the field of computers. The method comprises the following steps of: sending an access request of the webpage to a server; receiving a corresponding HTML (Hyper Text Mark-up Language) file in the webpage returned by the server, wherein the HTML file comprises img tags of the pictures in the webpage, and src attributes in the img tags are replaced as picture identifiers; obtaining picture data corresponding to the picture identifiers and conforming to the data URI (Uniform Resource Identifier) specifications according to the picture identifiers in the img tags; taking the obtained picture data as src attribute values to be added into the img tags, removing the picture identifiers replacing the src attributes; and uploading the corresponding picture according to the picture data. The device comprises a requesting module, a receiving module, an obtaining module and a loading module. The method and the device have the beneficial effects that the src attributes in the img tags are replaced by using the picture identifiers, the picture data corresponding to the picture identifiers and conforming to the data URI specifications is obtained according to the picture identifiers in the img tags, and the corresponding picture is uploaded; the Hash conflict problem is solved; and the pictures in the webpage can be accurately uploaded.
Description
Technical field
The present invention relates to computer realm, the method and apparatus of the picture in particularly a kind of Web page loading.
Background technology
Along with the fast development of network technology, Web content is more and more abundanter, also can embed various pictures except literal in the webpage.The Android browser of client except the literal in the Web page loading, also needs the picture in the Web page loading when accessed web page.
The Android browser comes the picture in the Web page loading through the src attribute in the img label usually at present, and loading procedure is specific as follows:
The Android browser sends the access request of a webpage to server; The corresponding HTML of this webpage that server returns (Hyper Text Mark-up Language; HTML) document, html document comprise the img label of the picture in this webpage, and the img label comprises the src attribute; The src property value points to picture file position URL (URL, Uniform/Universal Resource Locator).The Android browser is initiated a HTTP (HyperText Transfer Protocol according to the picture file position URL of src attribute indication then; HTTP) request; Obtain corresponding image data from server, and load corresponding picture according to image data.For the ease of quick loading, the Android browser is generally understood the image data that buffer memory obtains from server, because the URL length of picture is different, therefore, the Android browser can be the indexed cache image data with the cryptographic hash of URL usually.But the URL of different pictures may generate identical cryptographic hash, i.e. hash-collision, and follow-up cryptographic hash with URL in the buffer memory is that index Loads Image, and just the picture entanglement possibly take place.
The entanglement problem that occurs when loading to the picture in the webpage that hash-collision caused at present, prior art does not also have corresponding solution.
Summary of the invention
For the picture in the correct Web page loading, the embodiment of the invention provides the method and apparatus of the picture in a kind of Web page loading.Said technical scheme is following:
The method of the picture in a kind of Web page loading, said method comprises:
Send the access request of a webpage to server;
Receive the corresponding html document of said webpage that said server returns, said html document comprises the img label of the picture in the said webpage, and the src attribute in the said img label is replaced by picture identification;
According to the picture identification in the img label, obtain the corresponding image data that meets data URI standard of said picture identification;
The image data that obtains is added in the said img label as the src property value, remove the picture identification that substitutes the src attribute, and load corresponding picture according to said image data.
The device of the picture in a kind of Web page loading, said device comprises:
Request module is used for sending to server the access request of a webpage;
Receiver module is used to receive the corresponding html document of said webpage that said server returns, and said html document comprises the img label of the picture in the said webpage, and the src attribute in the said img label is replaced by picture identification;
Acquisition module is used for the picture identification according to the img label, obtains the corresponding image data that meets data URI standard of said picture identification;
Load-on module is used for adding the image data that obtains to said img label as the src property value, removes the picture identification that substitutes the src attribute, and loads corresponding picture according to said image data.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
Through using picture identification to substitute the src attribute in the img label; According to the picture identification in the img label, obtain the corresponding image data that meets data URI standard of picture identification, and load corresponding picture; Avoided the hash-collision problem, correctly the picture in the Web page loading.
Description of drawings
Fig. 1 is the method flow diagram of the picture in the Web page loading that provides in the embodiment of the invention 1;
Fig. 2 is another method flow diagram of the picture in the Web page loading that provides in the embodiment of the invention 1;
Fig. 3 is the apparatus structure synoptic diagram of the picture in the Web page loading that provides in the embodiment of the invention 2;
Fig. 4 is another apparatus structure synoptic diagram of the picture in the Web page loading that provides in the embodiment of the invention 2.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Embodiment 1
Referring to Fig. 1, present embodiment provides the method for the picture in a kind of Web page loading, comprising:
101: the access request of sending a webpage to server;
102: the corresponding html document of the webpage that reception server returns, html document comprise the img label of the picture in the webpage, and the src attribute in the img label is replaced by picture identification;
103:, obtain the corresponding image data that meets data URI (Uniform Resource Identifier, generic resource identifier) standard of picture identification according to the picture identification in the img label;
Wherein, data URI standard is data URI scheme, is and comprises the relevant standard of data that is embedded in the page.
104: the image data that obtains is added in the img label as the src property value, remove the picture identification that substitutes the src attribute, and load corresponding picture according to image data.
Present embodiment substitutes the src attribute in the img label through using picture identification; According to the picture identification in the img label, obtain the corresponding image data that meets data URI standard of picture identification, and load corresponding picture; Avoided the hash-collision problem, correctly the picture in the Web page loading.
Introduce the method for the picture in the above-mentioned Web page loading below in detail.
200: user end to server sends the access request of a certain webpage;
This access request specifically can be that the browser of client sends, and like the Android browser etc., present embodiment does not limit concrete browser.Wherein, client can be a mobile phone etc., and present embodiment does not limit concrete client.
201: after server receives the access request of a certain webpage of client-access, return the corresponding html document of this webpage;
Wherein, html document comprises the img label of the picture in this webpage, and the src attribute in the img label is replaced by picture identification.Picture identification is a regular length.
202: client receives html document, and the img label in the traversal html document;
For each the img label that traverses, carry out following steps:
203: client is an index with the picture identification in the img label, whether comprises the corresponding image data that meets data URI standard of this picture identification among the inspection buffer memory sessionStorage;
204: if comprise the corresponding image data that meets data URI standard of this picture identification among the buffer memory sessionStorage, from buffer memory, obtain the corresponding image data that meets data URI standard of picture identification, carry out 208;
Step 205-207 is if the corresponding image data that meets data URI standard of this picture identification not among the buffer memory sessionStorage, and client is obtained the corresponding image data that meets data URI standard of picture identification from server.
205: if the corresponding image data that meets data URI standard of this picture identification not among the buffer memory sessionStorage, client sends to server through the HTTP request with the picture identification in the img label;
Client can send to server with the one or more picture identification in the img label through a HTTP request.When sending a plurality of picture identification simultaneously, saved HTTP request quantity, accelerated the picture loading velocity, promoted user experience.
206: server receives picture identification, reads local picture stored and identifies corresponding image data, and the image data that reads is processed into the image data that meets data URI standard, and the image data that will meet data URI standard returns client;
The image data that reads is processed into the image data that meets data URI standard; Concrete processing procedure can comprise: the image data that reads is carried out the Base64 coding; Add the picture/mb-type sign before the image data behind coding, like JPEG, GIF; PNG etc. obtain meeting the image data of data URI standard.
207: the image data that meets data URI standard that the client reception server returns, carry out 208;
Further, client is index with the picture identification, and the image data that meets data URI standard that server is returned deposits among the buffer memory sessionStorage.
208: client is added this image data in the img label to as the src property value, removes the picture identification that substitutes the src attribute, and loads corresponding picture according to this image data.
Present embodiment substitutes the src attribute in the img label through using picture identification; According to the picture identification in the img label, obtain the corresponding image data that meets data URI standard of picture identification, and load corresponding picture; Avoided the hash-collision problem, correctly the picture in the Web page loading.Simultaneously, client can send to server with a plurality of picture identification through a HTTP request, has saved HTTP request quantity, has accelerated the picture loading velocity, has promoted user experience.
Embodiment 2
Referring to Fig. 3, present embodiment provides the device of the picture in a kind of Web page loading, comprising:
Request module 301 is used for sending to server the access request of a webpage;
Receiver module 302 is used for the corresponding html document of webpage that reception server returns, and html document comprises the img label of the picture in the webpage, and the src attribute in the img label is replaced by picture identification;
Acquisition module 303 is used for the picture identification according to the img label, obtains the corresponding image data that meets data URI standard of picture identification;
Load-on module 304 is used for adding the image data that obtains to the img label as the src property value, removes the picture identification that substitutes the src attribute, and loads corresponding picture according to image data.
Referring to Fig. 4, acquisition module 303 comprises:
Inspection unit 303a, the picture identification that is used for the img label is an index, whether comprises the corresponding image data that meets generic resource identifier data URI standard of picture identification in the inspection buffer memory;
The first acquiring unit 303b comprises the corresponding image data that meets data URI standard of picture identification if be used for buffer memory, from buffer memory, obtains the corresponding image data that meets data URI standard of picture identification;
And second acquisition unit 303c, there is not the corresponding image data that meets data URI standard of picture identification if be used for buffer memory, according to the picture identification in the img label, obtain the corresponding image data that meets data URI standard of picture identification from server.
Second acquisition unit 303c specifically is used for
Through HTTP request the one or more picture identification in the img label are sent to server, server reads local picture stored and identifies corresponding image data, and the image data that reads is processed into the image data that meets data URI standard and returns; The image data that meets data URI standard that reception server returns.
This device also comprises: memory module 305, be used to carry out after the second acquisition unit 303c, and be index with the picture identification, will deposit in the buffer memory from the image data that meets data URI standard that server obtains.
The device that this enforcement provides can be a client, or places a functional module of client, belongs to same design with the client of method embodiment, and concrete implementation procedure sees method embodiment for details.
Present embodiment substitutes the src attribute in the img label through using picture identification; According to the picture identification in the img label, obtain the corresponding image data that meets data URI standard of picture identification, and load corresponding picture; Avoided the hash-collision problem, correctly the picture in the Web page loading.Simultaneously, client can send to server with a plurality of picture identification through a HTTP request, has saved HTTP request quantity, has accelerated the picture loading velocity, has promoted user experience.
All or part of content in the technical scheme that above embodiment provides can realize that through software programming its software program is stored in the storage medium that can read, storage medium for example: the hard disk in the computing machine, CD or floppy disk.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for the picture in the Web page loading is characterized in that said method comprises:
Send the access request of a webpage to server;
Receive the corresponding html document of said webpage that said server returns, said html document comprises the img label of the picture in the said webpage, and the src attribute in the said img label is replaced by picture identification;
According to the picture identification in the img label, obtain the corresponding image data that meets data URI standard of said picture identification;
The image data that obtains is added in the said img label as the src property value, remove the picture identification that substitutes the src attribute, and load corresponding picture according to said image data.
2. method according to claim 1 is characterized in that, and is said according to the picture identification in the img label, obtains the corresponding image data that meets data URI standard of said picture identification, comprising:
With the picture identification in the img label is index, whether comprises the corresponding image data that meets data URI standard of said picture identification in the inspection buffer memory;
If comprise the corresponding image data that meets data URI standard of said picture identification in the buffer memory, from buffer memory, obtain the corresponding image data that meets data URI standard of said picture identification;
If there is not the corresponding image data that meets data URI standard of said picture identification in the buffer memory,, obtain the corresponding image data that meets data URI standard of said picture identification from said server according to the picture identification in the img label.
3. method according to claim 2 is characterized in that, and is said according to the picture identification in the img label, obtains the corresponding image data that meets data URI standard of said picture identification from said server, comprising:
Through the HTTP request picture identification in the img label is sent to said server; Said server reads the corresponding image data of said picture identification of local storage, and the said image data that reads is processed into the image data that meets data URI standard and returns;
Receive the image data that meets data URI standard that said server returns.
4. method according to claim 3 is characterized in that, the said said image data that will read is processed into the image data that meets data URI standard, comprising:
The said image data that reads is carried out the Base64 coding, add the image data that the picture/mb-type sign obtains meeting data URI standard before the image data behind coding.
5. method according to claim 3 is characterized in that, saidly through asynchronous HTTP request the picture identification in the img label is sent to said server, comprising:
Through the HTTP request the one or more picture identification in the img label are sent to said server.
6. method according to claim 2 is characterized in that, and is said according to the picture identification in the img label, after said server obtains the corresponding image data that meets data URI standard of said picture identification, comprising:
With the picture identification is index, will deposit in the buffer memory from the image data that meets data URI standard that said server obtains.
7. the device of the picture in the Web page loading is characterized in that said device comprises:
Request module is used for sending to server the access request of a webpage;
Receiver module is used to receive the corresponding html document of said webpage that said server returns, and said html document comprises the img label of the picture in the said webpage, and the src attribute in the said img label is replaced by picture identification;
Acquisition module is used for the picture identification according to the img label, obtains the corresponding image data that meets data URI standard of said picture identification;
Load-on module is used for adding the image data that obtains to said img label as the src property value, removes the picture identification that substitutes the src attribute, and loads corresponding picture according to said image data.
8. device according to claim 7 is characterized in that, said acquisition module comprises:
Inspection unit, the picture identification that is used for the img label is an index, whether comprises the corresponding image data that meets data URI standard of said picture identification in the inspection buffer memory;
First acquiring unit comprises the corresponding image data that meets data URI standard of said picture identification if be used for buffer memory, from buffer memory, obtains the corresponding image data that meets data URI standard of said picture identification;
Second acquisition unit; There is not the corresponding image data that meets data URI standard of said picture identification if be used for buffer memory; According to the picture identification in the img label, obtain the corresponding image data that meets data URI standard of said picture identification from said server.
9. device according to claim 8 is characterized in that second acquisition unit specifically is used for
Through the HTTP request the one or more picture identification in the img label are sent to said server; Said server reads the corresponding image data of said picture identification of local storage, and the said image data that reads is processed into the image data that meets data URI standard and returns;
Receive the image data that meets data URI standard that said server returns.
10. device according to claim 8 is characterized in that, said device also comprises: memory module, be used to carry out after the said second acquisition unit,
With the picture identification is index, will deposit in the buffer memory from the image data that meets data URI standard that said server obtains.
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| CN103491171A (en) * | 2013-09-24 | 2014-01-01 | 成都金山数字娱乐科技有限公司 | Network resource asynchronous loading method and device |
| CN103685518A (en) * | 2013-12-16 | 2014-03-26 | 北京奇虎科技有限公司 | Method, client side and system for providing image-text pages for mobile terminal |
| CN103942199A (en) * | 2013-01-18 | 2014-07-23 | 腾讯科技（北京）有限公司 | Method and device for obtaining picture information on webpages and terminal |
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| CN104424333A (en) * | 2013-09-11 | 2015-03-18 | 北大方正集团有限公司 | Method and system for loading table data |
| CN103491171A (en) * | 2013-09-24 | 2014-01-01 | 成都金山数字娱乐科技有限公司 | Network resource asynchronous loading method and device |
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| CN104679432A (en) * | 2015-03-04 | 2015-06-03 | 成都品果科技有限公司 | Method for viewing pictures by cross-platform human-computer interaction based on mobile terminal viewer |
| CN104965877A (en) * | 2015-06-12 | 2015-10-07 | 郑州悉知信息技术有限公司 | Webpage picture acquisition method, picture cache server, coordination server and system |
| CN105094804A (en) * | 2015-06-18 | 2015-11-25 | 北京奇虎科技有限公司 | Method and apparatus for adding animation to page |
| CN105094804B (en) * | 2015-06-18 | 2019-04-26 | 北京奇虎科技有限公司 | The method and apparatus of animation are added in the page |
| CN104991933A (en) * | 2015-07-06 | 2015-10-21 | 无锡天脉聚源传媒科技有限公司 | Picture display method and apparatus |
| CN105446625A (en) * | 2015-11-26 | 2016-03-30 | 努比亚技术有限公司 | Picture pasting method and apparatus based on browser |
| CN107301182A (en) * | 2016-04-15 | 2017-10-27 | 北京京东尚科信息技术有限公司 | A kind of method and apparatus for the webpage for showing embedded picture |
| CN107220289A (en) * | 2017-04-24 | 2017-09-29 | 深圳中兴网信科技有限公司 | Method, device and terminal based on web browser Photomap showing piece |
| CN107729467A (en) * | 2017-10-12 | 2018-02-23 | 江苏鸿信系统集成有限公司 | Web graph text mixing content store method based on PhoneGap |
| WO2020062910A1 (en) * | 2018-09-28 | 2020-04-02 | 北京三快在线科技有限公司 | Data caching |
| CN111506840A (en) * | 2019-01-11 | 2020-08-07 | 北京京东尚科信息技术有限公司 | Loading method and system of client embedded webpage, electronic equipment and storage medium |
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