CN107632990B - Information display method and device - Google Patents
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- CN107632990B CN107632990B CN201610570069.7A CN201610570069A CN107632990B CN 107632990 B CN107632990 B CN 107632990B CN 201610570069 A CN201610570069 A CN 201610570069A CN 107632990 B CN107632990 B CN 107632990B
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Abstract
The invention provides an information display method and device, on one hand, the actual IP address of a domain name request under the current page can be displayed to a developer in a browser, so that the developer can intuitively judge whether the set Host information is effective on the current page, and meanwhile, the situation that the actual server IP of the network request is checked through repeated operation is avoided, and the development efficiency of the developer is finally improved; on the other hand, developers can quickly empty DNS cache files of the browser through the technical scheme of the invention. The information display method comprises the following steps: saving a domain name list to be monitored; after a browser sends a network request, acquiring a domain name in the network request and an IP address corresponding to the domain name; and judging whether the domain name exists in the domain name list, and displaying the domain name and the IP address corresponding to the domain name on a page returned by the browser on the premise of existence.
Description
Technical Field
The invention relates to the technical field of computers and software thereof, in particular to a method and a device for displaying information.
Background
The Host file is a system file without an extension name, can be opened by a notebook and other tools, and has the functions of establishing a correlation 'database' between a plurality of commonly used website domain names and IP addresses corresponding to the commonly used website domain names, when a user inputs a website needing to be logged in a browser, the system can automatically search the corresponding IP address from the Hosts file at first, once the website is found, the system can immediately open the corresponding webpage, and if the website is not found, the system can submit the website to a DNS domain name resolution server for IP address resolution.
In the web front-end development process, developers need to switch frequently in development, test and online environments, so that Host files of an operating system need to be changed frequently; however, due to the cache mechanism of the browser, the browser searches the DNS cache file first when sending the request, and if the DNS cache file can find the IP address corresponding to the domain name, the request is sent according to the IP address in the DNS cache file, so that when the developer changes the Host file of the system, the browser does not necessarily send the request with the latest Host information, and therefore the developer cannot intuitively determine whether the set Host information is valid on the current page, and the development efficiency of the developer is finally reduced.
In the prior art, taking a Chrome browser as an example, an operation flow of a developer viewing a network request actual server IP in the Chrome browser includes the following steps:
1) opening a Chrome browser developer tool;
2) switching to a Network label page;
3) checking a 'Remote Address' item on the right key of the title bar;
4) refreshing a page;
5) the hostname to be viewed is searched for.
As can be seen from the above operation flows, the existing operation flows are complicated, and the operation flows need to be repeated for multiple times to check for multiple times, which also reduces the development efficiency of developers to a certain extent.
Disclosure of Invention
In view of the above, the present invention provides an information displaying method and apparatus, which on one hand can display the actual IP address of the domain name request in the current page to the developer in the browser, so that the developer can not only intuitively judge whether the set Host information is valid in the current page, but also avoid checking the actual server IP of the network request through repeated operations, and finally improve the development efficiency of the developer; on the other hand, developers can quickly clear DNS cache files of the browser through the technical scheme of the invention, and the development efficiency of the developers is also improved to a certain extent.
To achieve the above object, according to one aspect of the present invention, there is provided a method for displaying information.
The information display method comprises the following steps: saving a domain name list to be monitored; after a browser sends a network request, acquiring a domain name in the network request and an IP address corresponding to the domain name; and judging whether the domain name exists in the domain name list, and displaying the domain name and the IP address corresponding to the domain name on a page returned by the browser on the premise of existence.
Optionally, the step of obtaining the domain name in the network request and the IP address corresponding to the domain name includes: registering a callback function in the browser; and receiving the domain name of the network request and the IP address corresponding to the domain name, which are returned by the callback function.
Optionally, after the step of displaying the domain name and the IP address corresponding to the domain name on a page returned by the browser, the method further includes: and clearing the DNS cache file of the browser according to the received browser cache clearing command.
According to another aspect of the present invention, there is provided an apparatus for displaying information.
The information display device of the present invention is characterized by comprising: the storage module is used for storing a domain name list to be monitored; the acquisition module is used for acquiring a domain name in a network request and an IP address corresponding to the domain name after the browser sends the network request; and the display module is used for judging whether the domain name exists in the domain name list and displaying the domain name and the IP address corresponding to the domain name on a page returned by the browser on the premise of existence.
Optionally, the obtaining module is further configured to: and registering a callback function in the browser, and then receiving the domain name of the network request and the IP address corresponding to the domain name, which are returned by the callback function.
Optionally, the system further comprises a file removing module, configured to remove a DNS cache file of the browser according to the received browser cache removal command.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the method of any of the above-described illustrative embodiments of information.
According to another aspect of the embodiments of the present invention, there is also provided a computer readable medium, on which a computer program is stored, which when executed by a processor, implements the method of any of the above presented embodiments of information.
According to the technical scheme of the invention, on one hand, the domain name of the network request and the corresponding IP address can be displayed in the page returned by the browser, so that for the domain name concerned by a developer, the developer can intuitively judge whether the set Host information is effective in the current page, and meanwhile, the situation that the actual server IP of the network request is checked through repeated operation is avoided, and the development efficiency of the developer is finally improved; on the other hand, developers can quickly clear DNS cache files of the browser through the technical scheme of the invention, and the development efficiency of the developers is also improved to a certain extent.
Drawings
The drawings are included to provide a better understanding of the invention and are not to be construed as unduly limiting the invention. Wherein:
FIG. 1 is a schematic diagram of a method for displaying information according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a device for displaying information according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Fig. 1 is a schematic diagram of a method for displaying information according to an embodiment of the present invention. As shown in fig. 1, the information presentation method according to the embodiment of the present invention is executed by a computer running a browser, and the method mainly includes the following steps S10 to S13.
Step S10: and saving a domain name list to be monitored. In this step, the developer can store the concerned domain name into the domain name list, thereby realizing the monitoring of the concerned domain name.
Step S11: after a browser sends a network request, a domain name in the network request and an IP address corresponding to the domain name are obtained. In this step, the callback function is registered in the browser, and after the browser sends out a network request, the callback function extracts the domain name in the network request and the IP address corresponding to the domain name, so as to obtain the domain name of the network request and the IP address corresponding to the domain name, which are returned by the callback function.
Step S12: judging whether the domain name exists in the domain name list, if so, executing step S13; if the domain name is not in the saved domain name list, return to step S11.
Step S13: and displaying the domain name and the IP address corresponding to the domain name on a page returned by the browser. After the domain name and the corresponding IP address in the network request are obtained in step S11, if the domain name exists in the domain name list, it indicates that the domain name is a domain name concerned by the developer, so that the domain name and the IP address corresponding to the domain name are displayed on the page returned by the browser.
According to the technical scheme, the cache clearing button is additionally arranged, when a developer finds that the domain name and the corresponding IP address displayed on the page returned by the browser are different from the IP address corresponding to the newly set domain name, the browser does not use the latest IP address for access, and therefore the developer can clear the DNS cache file of the browser through the cache clearing button; of course, the developer can also clear the DNS cache file of the browser by operating the cache clear button whenever the cache needs to be cleared.
Fig. 2 is a schematic diagram of a device for displaying information according to an embodiment of the present invention. As shown in fig. 2, the information display apparatus 20 and the browser of the embodiment of the present invention are disposed in the same computer, and mainly include: a saving module 21, an obtaining module 22, and a display module 23; the storage module 21 is configured to store a domain name list to be monitored; the obtaining module 22 is configured to obtain a domain name in the network request and an IP address corresponding to the domain name after the browser sends the network request; the display module 23 is configured to determine whether the domain name exists in the domain name list, and display the domain name and the IP address corresponding to the domain name on a page returned by the browser on the premise that the domain name exists.
The obtaining module 22 may also be configured to register a callback function in the browser, and then receive a domain name of the network request and an IP address corresponding to the domain name, where the domain name is returned by the callback function.
According to the technical scheme of the embodiment of the invention, on one hand, as the domain name of the network request and the corresponding IP address can be displayed in the page returned by the browser, for the domain name concerned by the developer, the developer can intuitively judge whether the set Host information is effective in the current page, and meanwhile, the situation that the actual server IP of the network request is checked through repeated operation is avoided, and the development efficiency of the developer is finally improved; on the other hand, developers can quickly clear DNS cache files of the browser through the technical scheme of the invention, and the development efficiency of the developers is also improved to a certain extent.
The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A method for displaying information is characterized by comprising the following steps:
saving a domain name list to be monitored;
after a browser sends a network request, acquiring a domain name in the network request and an IP address corresponding to the domain name;
judging whether the domain name exists in the domain name list or not, and displaying the domain name and the IP address corresponding to the domain name on a page returned by the browser on the premise of existence;
the step of obtaining the domain name in the network request and the IP address corresponding to the domain name includes: registering a callback function in the browser; receiving the domain name of the network request and the IP address corresponding to the domain name, which are returned by the callback function;
and after the step of displaying the domain name and the IP address corresponding to the domain name on the page returned by the browser, when the domain name and the corresponding IP address displayed on the page returned by the browser are different from the IP address corresponding to the domain name set by the system, clearing the DNS cache file of the browser according to the received command for clearing the cache of the browser.
2. An apparatus for displaying information, comprising:
the storage module is used for storing a domain name list to be monitored;
the acquisition module is used for acquiring a domain name in a network request and an IP address corresponding to the domain name after the browser sends the network request;
the display module is used for judging whether the domain name exists in the domain name list or not and displaying the domain name and the IP address corresponding to the domain name on a page returned by the browser on the premise of existence;
the acquisition module is further configured to: registering a callback function in the browser, and then receiving a domain name of the network request and an IP address corresponding to the domain name, which are returned by the callback function;
and the file clearing module is used for clearing the DNS cache file of the browser according to the received browser cache clearing command when the domain name displayed on the page returned by the browser and the corresponding IP address are different from the IP address corresponding to the domain name set by the system.
3. An electronic device, comprising:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the method of claim 1.
4. A computer-readable medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610570069.7A CN107632990B (en) | 2016-07-19 | 2016-07-19 | Information display method and device |
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| CN201610570069.7A CN107632990B (en) | 2016-07-19 | 2016-07-19 | Information display method and device |
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| CN107632990A CN107632990A (en) | 2018-01-26 |
| CN107632990B true CN107632990B (en) | 2021-06-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111737617B (en) * | 2020-06-15 | 2024-05-07 | 北京达佳互联信息技术有限公司 | Page resource loading method and device, electronic equipment and storage medium |
| CN113765731B (en) * | 2020-06-28 | 2023-09-05 | 北京沃东天骏信息技术有限公司 | Information processing method, apparatus and computer readable storage medium |
| CN113190288B (en) * | 2021-05-08 | 2024-06-04 | 首约科技(北京)有限公司 | Freely-switched page plug-in unit with different environments |
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| CN104219200A (en) * | 2013-05-30 | 2014-12-17 | 杭州迪普科技有限公司 | Device and method for protection from DNS cache attack |
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| CN102882991B (en) * | 2012-09-29 | 2016-03-30 | 北京奇虎科技有限公司 | A kind of browser and carry out the method for domain name mapping |
| CN103561036A (en) * | 2013-11-12 | 2014-02-05 | 深信服网络科技（深圳）有限公司 | Request intercepting method and device in white-list internet surfing environment |
| US9727661B2 (en) * | 2014-06-20 | 2017-08-08 | Lg Electronics Inc. | Display device accessing broadcast receiver via web browser and method of controlling therefor |
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| CN103973506A (en) * | 2013-01-30 | 2014-08-06 | 腾讯科技（深圳）有限公司 | Domain name verifying method, device and system |
| CN104219200A (en) * | 2013-05-30 | 2014-12-17 | 杭州迪普科技有限公司 | Device and method for protection from DNS cache attack |
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