CN107222580A - A kind of method that utilization picture realizes cross-domain transmission data - Google Patents
A kind of method that utilization picture realizes cross-domain transmission data Download PDFInfo
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- CN107222580A CN107222580A CN201710630954.4A CN201710630954A CN107222580A CN 107222580 A CN107222580 A CN 107222580A CN 201710630954 A CN201710630954 A CN 201710630954A CN 107222580 A CN107222580 A CN 107222580A
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- picture
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- image data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The present invention provides a kind of method that utilization picture realizes cross-domain transmission data, belongs to the cross-domain areas of information technology of acquisition, and the page directly transmits cross-domain picture request, the cross-domain picture asked locally is rendered, image data is parsed into；The format characteristic of the cross-domain data loaded according to server in image data, is intercepted to the image data of page parsing, and then the data after interception are changed, finally, the cross-domain object after being changed.So as to realize cross-domain access, more efficiently, succinctly.
Description
Technical field
The side of cross-domain transmission data is realized the present invention relates to the cross-domain information technology of acquisition, more particularly to a kind of utilization picture
Method.
Background technology
At present, in front-end technology, realize that cross-domain method there are two kinds：
The first, is to utilize<script></script>The cross-domain characteristic of label, js text of the loading comprising cross-domain information
Part, so as to obtain cross-domain information in js files.
Second, be to utilize<iframe></iframe>The cross-domain characteristic of label, html text of the loading comprising cross-domain information
Part, so as to obtain cross-domain information in html files.
Both obtain the method for cross-domain information, it is necessary to extra loading js or html file, and then from the js of loading
Or cross-domain data are obtained in html.If front end needs to send cross-domain request in local page, cross-domain server is asked
During middle data, two methods above implement a little complexity
The content of the invention
In order to solve the above technical problems, the present invention proposes a kind of method that utilization picture realizes cross-domain transmission data,
Cross-domain access is realized, more efficiently, succinctly.
The technical scheme is that：
A kind of method that utilization picture realizes cross-domain transmission data,
The page directly transmits cross-domain picture request, and the cross-domain picture asked locally is rendered, picture is parsed into
Data；The format characteristic of the cross-domain data loaded according to server in image data, is carried out to the image data of page parsing
Then data after interception are changed by interception, finally, the cross-domain object after being changed.
Cross-domain picture is i.e. when sending cross-domain request, the figure that one returned in cross-domain server carries cross-domain information
Piece；Cross-domain picture is parsed in the page, intercepted, then can just get the cross-domain data carried in picture.
Concrete operations content is：
It is more simple, efficient the invention enables page cross-domain request server data, also, do not need extra introducing
Js and html files.
Brief description of the drawings
Fig. 1 is the workflow schematic diagram of the present invention.
Embodiment
More detailed illustrate is carried out to present disclosure below：
When sending cross-domain request, a picture for carrying cross-domain information is returned in cross-domain server, it is right in the page
Picture is parsed, interception, then the cross-domain data carried in picture can be just got, so as to realize cross-domain access.
Concrete operations content is
Claims (3)
1. a kind of method that utilization picture realizes cross-domain transmission data, it is characterised in that
The page directly transmits cross-domain picture request, and the cross-domain picture asked locally is rendered, image data is parsed into；
The format characteristic of the cross-domain data loaded according to server in image data, is intercepted to the image data of page parsing,
Then the data after interception are changed, finally, the cross-domain object after being changed.
2. according to the method described in claim 1, it is characterised in that
Cross-domain picture is i.e. when sending cross-domain request, the picture that one returned in cross-domain server carries cross-domain information；
Cross-domain picture is parsed in the page, intercepted, then can just get the cross-domain data carried in picture.
3. method according to claim 2, it is characterised in that
Concrete operations content is：
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710630954.4A CN107222580A (en) | 2017-07-28 | 2017-07-28 | A kind of method that utilization picture realizes cross-domain transmission data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710630954.4A CN107222580A (en) | 2017-07-28 | 2017-07-28 | A kind of method that utilization picture realizes cross-domain transmission data |
Publications (1)
| Publication Number | Publication Date |
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| CN107222580A true CN107222580A (en) | 2017-09-29 |
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| CN201710630954.4A Pending CN107222580A (en) | 2017-07-28 | 2017-07-28 | A kind of method that utilization picture realizes cross-domain transmission data |
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Citations (9)
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Patent Citations (9)
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| US20080301766A1 (en) * | 2007-05-29 | 2008-12-04 | International Business Machines Corporation | Content processing system, method and program |
| WO2011097517A2 (en) * | 2010-02-04 | 2011-08-11 | Microsoft Corporation | Image tagging based upon cross domain context |
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| EP2538324A2 (en) * | 2011-06-22 | 2012-12-26 | Google Inc. | Rendering approximate webspace screenshot client-side |
| CN103309861A (en) * | 2012-03-07 | 2013-09-18 | 阿里巴巴集团控股有限公司 | Method and device for acquiring cross-domain data |
| CN103023790A (en) * | 2012-12-31 | 2013-04-03 | 北京京东世纪贸易有限公司 | Method and system used for realizing cross-domain interactive access |
| CN104504096A (en) * | 2014-12-26 | 2015-04-08 | 北京奇虎科技有限公司 | Cross-web information transmitting method and web browsing device |
| CN105450504A (en) * | 2015-10-30 | 2016-03-30 | 广州华多网络科技有限公司 | Processing method and system for picture link |
| CN105975549A (en) * | 2016-05-03 | 2016-09-28 | 立德高科（昆山）数码科技有限责任公司 | Custom two-dimensional bar code recognition method based on web page |
Non-Patent Citations (1)
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Application publication date: 20170929 |