CN109561156B - Web end system based on content distribution and screen display control - Google Patents
Web end system based on content distribution and screen display control Download PDFInfo
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- CN109561156B CN109561156B CN201811576695.2A CN201811576695A CN109561156B CN 109561156 B CN109561156 B CN 109561156B CN 201811576695 A CN201811576695 A CN 201811576695A CN 109561156 B CN109561156 B CN 109561156B
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/105—Multiple levels of security
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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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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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
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
Abstract
The invention discloses a web end system based on content distribution and screen display control, which is a novel system integrating a multimedia control system and a CMS (content management system) station building system and optimizing on the basis. The system comprises a manufacturing end, a distributing end and a display end. The making is mainly responsible for making the content; the distributing end is responsible for distributing the content of the making end to the showing end according to the selected distribution strategy and carrying out necessary instruction control on the showing end; the display end is responsible for playing the received content. The invention is different from the common multimedia control system, is not limited to multimedia files on the display content, and comprises various resources such as media, websites, software and the like; the distributing end has the function of identifying the type of each showing end, and different contents can be distributed according to different showing end types in a matching way during distribution; the communication between the distributing terminal and the display terminal adopts a bus data communication technology, so that the transmission efficiency of data is optimized; the display end may also support interoperability.
Description
Technical Field
The invention belongs to the field of positioning, and particularly relates to a web end system based on content distribution and screen display control.
Background
In the current life, remote content delivery has become an indispensable technology, and the related use scenes include screen content delivery at a meeting, advertisement delivery at a shopping mall, delivery of television programs and the like. However, the delivered content is basically multimedia content, and a website with interactivity as a whole is not tried to be delivered, and the website can be freely produced by a person without skills. In addition, the definition of "content" to be delivered in the future may be more extensive, and may include concepts of "program", "file", "web page", "website", and the like, or the definition of "delivery" may also be more extensive, and may include concepts of "delivery", "deployment", and the like. With the increasing development of the H5 technology, the display functions that the browser can achieve are more and more abundant, so that the browser can replace playing software to a certain extent. However, the operating system has limited control over the browser, and thus the SRP system uses an embedded browser instead of playing software. However, the existing website generation strategies are too outdated, and although many CMS websites can generate portals, the degree of freedom of the websites is limited greatly and the websites have technical requirements for users. Therefore, a shortcut for building a website with "components" will certainly be suitable for building a website with simple services. The SRP not only forwards the site, but also uniformly manages, allocates and distributes multiple resources in multiple data formats, and achieves one-stop management, accurate distribution and accurate adaptation to user requirements.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a web-end system based on content distribution and screen display control.
The purpose of the invention is realized by the following technical scheme: a web end system based on content distribution and screen display control comprises a production end, a distribution end and a display end;
the making end is based on java web end service, the component technology is utilized to help a user to make contents quickly, and the making end can make various contents; only one manufacturing end needs to be deployed;
the distributing terminal is based on java web service and is used for distributing content and controlling the display behavior of the display terminal, and the distributed resources have diversity; only one distributing end needs to be deployed;
the display end comprises a desktop service and a screen device which can be used for displaying pictures, wherein the desktop service is used for receiving instructions from the distribution end and downloading related files and display contents; the display end selects different display modes according to the types of the resources to display different contents; the deployment number of the display ends depends on the number of the display points, and one display point deploys one display end;
the distributing end and the showing end communicate by using a bus technology, and the communication behavior and the data format follow an SBR protocol; the exhibition terminal follows SBR protocol to return information to the distribution terminal in fixed time to inform the exhibition terminal of the state; the distribution end analyzes the condition of each display end, presents a controllable display end for a user, and matches corresponding selectable distribution content according to different display end types;
the data format of the SBR protocol is as follows: the method comprises the steps of operating code operation, display end number deviceSN, distribution end number sendSN, sending time sendTime, sending instruction instactionUUID, current working state work, playing program id play ID, playing program name play name, display end screen size and display end running system server type.
Furthermore, the manufacturing end is a springboot service, is deployed on Linux or Windows, and is matched with an independent file server for realizing an http protocol to realize the functions of uploading resources and manufacturing contents for a user; the file server stores corresponding file resources according to categories, and the specific performance of file resource storage is as follows:
(1) the file resources are mainly stored by a file local file protocol;
(2) the file resources are roughly divided into three categories: media files, website files, and software files;
(3) file resource subdivision: media files include pictures, video, text, audio, and the like; software files include directories, compressed packages, executable files, and the like; the website files comprise pictures, videos, audios and the like;
(4) and (3) classification judgment of the files:
js carries out primary identification on the uploaded file categories, and resources uploaded on a media resource page, a website resource page and a software resource page are respectively provided with rough classification identification: "category: media", "category: site", "category: software";
b. the production end server carries out further subdivision identification on the file, subdivides the file according to the suffix name of the file, and judges the files as a picture type such as jpg, '. png, '. jpeg ' and the like; ". mp 3". wmv ", etc. are judged as audio; ". mp 4". mov ", etc. are judged as video,". doc ". txt", etc. are judged as text;
(5) storage level of file resources: all files are divided into a root directory, a rough classified file directory, a fine classified file directory, a user name directory, a time point directory and a specific file;
(6) the file resource has a data format after being uploaded and processed, and the common part structure attributes are as follows: the unique identifier "id", the rough category ", the fine category" type ", the resource name", the resource path "src", the upload user ", the upload time", and the resource size ".
Furthermore, the production end supports the rapid construction of media programs and portal websites, supports cms content management and supports the release of software applications; in the aspects of website construction and media program construction, a component technology is utilized, html5+ vue.js is used, components are packaged into components, the components are placed in a component library, a user can select, move, change styles and the like, and rapid construction of pages is achieved.
Furthermore, the distribution end is a springboot service, is deployed on Linux or Windows, and provides a user with the functions of distributing contents to a specified display end and controlling the display end; distributing content involves the issue of rights of users, including:
(1) a super manager: all available contents can be distributed to all available showing ends, and all showing ends have the authority of inquiry, monitoring, control and the like; the authority of a common administrator and a common user can be distributed;
(2) the general administrator: all available resources can be distributed to the available display ends, and all the display ends have the authority of inquiry, monitoring, control and the like;
(3) the common user: all the available contents made by the user can be distributed to the available display end owned by the user; and the corresponding display end has the authority of inquiry, monitoring, control and the like.
The distribution terminal can perform instruction control on the display terminal, including starting, closing, stopping programs, playing programs, adjusting volume, switching programs and the like.
Furthermore, the display end can be in a form of combining a screen and a microcomputer, the microcomputer is loaded with a windows system, a Linux system or an android system, and the microcomputer and the screen are connected by an HDMI (high-definition multimedia interface) wire; the display end can also be a computer or a mobile phone; the service of the display end is realized by calling the webkit kernel by java, the effect of embedding a browser can be achieved, and rich content is displayed.
Furthermore, the communication between the distributing end and the display end adopts a real-time bus technology; each showing end is defined as different nodes of the bus, all showing end nodes send status information to a distributing end once per minute, and the communication behavior follows the SBR protocol; the operation code "operation" in the SBR protocol is used to define different operations, and mainly includes:
(1) the displayInfo represents the operation of sending the status information, is sent to the distribution end by the display end, and updates the corresponding state of the display end in the database after the distribution end receives the status information;
(2) the 'sendplay' sends program operation, which is distributed to the display end by the distributing end, and the display end executes the program playing operation after receiving the program operation and feeds back the information of whether the program is played successfully.
(3) The 'sendplaylist' feeds back the information operation whether the program is successfully played, the display end sends the information operation to the distribution end, and the distribution end records the state after receiving the information operation.
(4) The 'ctrl play' controls the program operation, from the distributing end to the displaying end, the displaying end executes the change of the program state.
Further, the current working state workState "in the SBR protocol includes: normal represents a normal working state, leave represents an offline state, and break represents a fault state; the display end operation system 'serverType' comprises Android, Linux and Windows;
when a user performs content distribution operation, the system firstly selects a display end in a normal working state, and then intelligently matches optional content according to the currently selected display end; the intelligent matching process is as follows:
(1) creating a content display queue;
(2) acquiring the size of a display screen and an operating system;
(3) acquiring the latest releasing behavior of the user, and if the user releases the latest content Y on the showing terminal x recently and the releasing time is not more than 5 minutes from the current operation time, the system determines that the user is likely to release the content Y on the currently selected showing terminal;
(4) judging whether the content Y is suitable for being put on the display end according to the size of the selected display end screen and the operation system, namely whether the content Y has legality to the display end; the legality is judged by extracting data information from the content Y to obtain the required size and the required operating environment of the content Y and then comparing the required size and the required operating environment with the size and the operating environment of a display end screen;
(5) if the content Y has validity for the currently selected display end, the content Y is placed into the first position of the display queue;
(6) acquiring the latest content edited by a user, and if the content has validity for the currently selected display end, placing the content into a queue;
(7) searching all contents of which the user has the legality of the operating environment, and putting the contents into a queue according to the chronological order; the judgment of the environment legality of the content on the display end is made by extracting environment requirement information from the content and then comparing the environment requirement information with the operation environment information of the display end;
(8) and (4) removing the duplicate of the queue element, and if two or more duplicate elements exist, deleting the duplicate element behind the queue and keeping the duplicate element at the front.
Furthermore, the data communication between the display end and the distribution end is encrypted by using a symmetric algorithm DES, so that the security of the data is ensured.
Furthermore, the diversity of the content production of the production end is mainly embodied as three points:
(A) making a media program: different media resources need to be uploaded, or a complete program page is constructed on the page through components in a component library by using resources in an existing media library; the data of the media program comprises dynamic data and file data, the dynamic data comprises basic information of the program and is stored in a database of the making end, and the file data is stored in a file server; the main attributes of the program content data body comprise: "id" unique identification, "name" program name, "size" program request size, "environment" request runtime environment, "sourceType" content type, "elements" component, "items" resource;
(B) and (3) making software content: in addition to uploading necessary software resources, the user needs to further identify the control behavior of the software to supplement necessary information, including content type, software type, storage directory, execution instruction, stop instruction, etc.;
(C) making website content: making a website, constructing a plurality of pages by using components in a component library, and establishing the relation among the pages by using the components; the website data is divided into resource files and dynamic data, the resource files are stored in a file server, and the dynamic data comprise basic information, component information and the like of the website and are stored in a database of a manufacturing end.
After the user utilizes the resources to construct the content, the content is distributed to the display end, and the display end can select corresponding processing modes according to different content types.
Further, the making end carries out risk control and virus detection on uploading of the file, and the making end comprises the following steps:
(a) making common names of virus files collected by a terminal, analyzing virus naming characteristics, and establishing a virus naming characteristic library;
(b) the JavaScript is used for strictly limiting the full name of the uploaded file, the strict limitation can only be English characters, numbers and a few available characters, and the name of the file is compared and analyzed with data in a virus name feature library, so that whether the file is legal or not is judged;
(c) when the file is submitted to a background after being subjected to naming verification, the background reads file header information, and if the file is found to be an irregular file type, the file is intercepted;
(d) and deploying antivirus software on an operating system to which the file server belongs, and carrying out virus detection on the newly uploaded file.
(e) The resources of the file server are backed up regularly so as to avoid irreparable loss caused by resource loss.
The invention has the beneficial effects that:
1. the page organization of the CMS and the multimedia programs is fused through the component technology, so that the pages of the programs and the pages of the websites have commonality, the learning cost of users is saved, and the content making efficiency of the users is improved. The same page organization technology is used, so that the content is more conveniently maintained.
2. And the content in various data formats is uniformly managed and distributed. The production end can produce various contents including media programs, web portals, software and the like, so that the distributed contents have diversity, and the display end can also select different display modes according to the types of the contents to display different contents, so that the displayed contents have richness.
3. Unified management and access to multiple types of resources. The resources comprise file resources, and the unified management of the file resources depends on classification identification of a production end and processing treatment based on classification, so that each resource becomes a 'source' conforming to a set format. The sources are stored in compliance with a safe, non-confusing, convenient to administer and maintain rule, and such sources are available for acquisition and access, and are uniform to the user.
4. The SBR communication protocol is strictly followed, the real-time bus technology is used for transmitting data, and necessary algorithm encryption is carried out on the data, so that the communication has reliable, efficient and stable transmission performance in a distributed environment.
5. And a strict user authority management system ensures the safety of system resource management and system use. The super manager, the common manager and the common user respectively perform their own functions and have clear authority and responsibility.
6. The intelligent matching design is used in the content distribution process, so that the distribution process has high efficiency, the accuracy is improved, and the use efficiency of users is improved.
7. The necessary virus prevention mechanism reduces the risk of file viruses, and on the basis, establishing necessary and timed resource backup is also an indispensable step.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the web-end system based on content distribution and screen display control provided by the present invention is a novel system that integrates a multimedia control system and a CMS website building system and is optimized on the basis of the system, and the present invention defines the system as an SRP, and the system includes a production end, a distribution end and a presentation end;
one, manufacturing end
The production end is based on java web end service, helps the user to produce content quickly by using component technology, and can produce various contents including media programs, portal websites, software and the like; only one manufacturing end needs to be deployed;
the manufacturing end is a springboot service, is deployed on Linux or Windows, and is matched with an independent file server for realizing an http protocol to realize the functions of uploading resources and manufacturing contents for a user; due to the fact that the uploaded resources are various, the file server can store corresponding file resources in different categories; the specific expression of file resource storage is as follows:
(1) the file resources are mainly stored by a file local file protocol;
(2) the file resources are roughly divided into three categories: media files, website files, and software files;
(3) file resource subdivision: media files include pictures, video, text, audio, and the like; software files include directories, compressed packages, executable files, and the like; the website files comprise pictures, videos, audios and the like;
(4) and (3) classification judgment of the files:
js carries out primary identification on the uploaded file categories, and resources uploaded on a media resource page, a website resource page and a software resource page are respectively provided with rough classification identification: "category: media", "category: site", "category: software";
b. the production end server carries out further subdivision identification on the files, the files are subdivided mainly according to suffix names of the files, and the files are judged to be of a picture type such as jpg, '. png, '. jpeg, '; ". mp 3". wmv ", etc. are judged as audio; ". mp 4". mov ", etc. are judged as video,". doc ". txt", etc. are judged as text;
(5) storage level of file resources: all files are divided into a root directory, a rough classified file directory, a fine classified file directory, a user name directory, a time point directory and a specific file;
(6) the file resource has a data format after being uploaded and processed, and the common part structure attributes are as follows: the unique identifier "id", the rough category ", the fine category" type ", the resource name", the resource path "src", the upload user ", the upload time", the resource size ", one specific example is as follows:
the manufacturing end is essentially a cms content management system, but is different from the traditional cms, supports the rapid construction of media programs and portal websites, supports the content management of cms, and supports the release of software application; in the aspects of website construction and media program construction, component technology is utilized; a complete content or page, which is composed of different parts including navigation bar, article list, graphics and text display, carousel picture, live broadcast window, login window, etc., abstracted and called as components; js, packaging the components into individual components, placing the individual components in a component library for users to select, move, change styles and the like, and realizing rapid construction of pages.
Two, distributing terminal
The distributing end is based on java web end service and is used for distributing content and controlling the display behavior of the display end, and the distributed resources have diversity; only one distributing end needs to be deployed;
the distribution end is a springboot service, is deployed on Linux or Windows, and provides the functions of distributing contents to a designated display end and controlling the display end for a user; distributing content involves the issue of rights of users, including:
(2.1) the hypervisor: all available contents can be distributed to all available showing ends, and all showing ends have the authority of inquiry, monitoring, control and the like; the authority of a common administrator and a common user can be distributed;
(2.2) general administrators: all available resources can be distributed to the available display ends, and all the display ends have the authority of inquiry, monitoring, control and the like;
(2.3) general users: all the available contents made by the user can be distributed to the available display end owned by the user; and the corresponding display end has the authority of inquiry, monitoring, control and the like.
The relation between the user and the content is 1 to many, and the relation between the user and the display end is 1 to many; the distributing terminal can perform necessary instruction control on the display terminal, such as starting up, shutting down, stopping programs, playing programs, adjusting volume, switching programs and the like.
Third, show end
The display end comprises a desktop service and a screen device which can be used for displaying pictures, wherein the desktop service is used for receiving the instruction from the distribution end and downloading related files and display contents; the display end selects different display modes according to the types of the resources to display different contents; the deployment number of the display ends depends on the number of the display points, and one display point deploys one display end;
the display end can be in a form of combining a screen and a microcomputer, the microcomputer is loaded with a windows system, a Linux system or an android system, and the microcomputer and the screen are connected by an HDMI (high-definition multimedia interface) wire; the display end can also be a computer or a mobile phone; the service of the display end is realized by calling the webkit kernel by java, the effect of embedding a browser can be achieved, and rich content is displayed.
The distributing end and the showing end communicate by utilizing a real-time bus technology, and the communication behavior and the data format follow an SBR protocol; the exhibition terminal follows SBR protocol to return information to the distribution terminal in fixed time to inform the exhibition terminal of the state; the distribution end analyzes the condition of each display end, presents a controllable display end for the user, and matches corresponding selectable distribution content according to different display end types. Each exposure end is defined as a different node of the bus, all the exposure end nodes send the state information to the distribution end once per minute, and the communication behavior follows the SBR protocol.
SBR protocol: the node data is sent once per minute, and the data format is as follows: an operation code "operation", a presenter number "deviceSN", a distributor number "sendSN", a sending time "sendTime", a sending instruction "instactionuuid", a current working state workState ", a playing program id" playID ", a playing program name" playName ", a presenter screen size" screenSize ", a presenter operating system" serverType ", and a specific example is as follows:
the operation code "operation" is used to define different operations, and mainly includes:
(1) the displayInfo represents the operation of sending the status information, is sent to the distribution end by the display end, and updates the corresponding state of the display end in the database after the distribution end receives the status information;
(2) the 'sendplay' sends program operation, the distribution end sends the program operation to the display end, the display end executes the program playing operation after receiving the program operation, and feeds back information whether the program is played successfully or not.
(3) The 'sendplaylist' feeds back the information operation whether the program is successfully played, the display end sends the information operation to the distribution end, and the server records the state after receiving the information operation.
(4) The 'ctrl play' controls the program operation, from the distributing end to the displaying end, the displaying end executes the change of the program state.
Sending an instruction 'instractionatuuid' to identify instruction uniqueness; the current working state work "includes: normal represents a normal working state, leave represents an offline state, and break represents a fault state; "serverType" represents a display running system, including Android, Linux, Windows; the distribution end obtains the state of the display end based on the information;
when a user performs content distribution operation, the system firstly selects a display end in a normal working state, and then intelligently matches optional content according to the currently selected display end; the intelligent matching process is as follows:
(1) creating a content display queue;
(2) acquiring the size of a display screen and an operating system;
(3) acquiring the latest releasing behavior of the user, and if the user releases the latest content Y on the showing terminal x recently and the releasing time is not more than 5 minutes from the current operation time, the system determines that the user is likely to release the content Y on the currently selected showing terminal;
(4) judging whether the content Y is suitable for being put on the display end according to the size of the selected display end screen and the operation system, namely whether the content Y has legality to the display end; the legality is judged by extracting data information from the content Y to obtain the required size and the required operating environment of the content Y and then comparing the required size and the required operating environment with the size and the operating environment of a display end screen;
(5) if the content Y has validity for the currently selected display end, the content Y is placed into the first position of the display queue;
(6) acquiring the latest content edited by a user, and if the content has validity for the currently selected display end, placing the content into a queue;
(7) searching all contents of which the user has the legality of the operating environment, and putting the contents into a queue according to the chronological order; the judgment of the environment legality of the content on the display end is made by extracting environment requirement information from the content and then comparing the environment requirement information with the operation environment information of the display end;
(8) removing duplicate of queue element, if there are two or more duplicate elements, deleting the duplicate element behind the queue, and keeping the former;
content may require the size of the screen, such as a media program, which is at the front of the content display queue according to the intelligent matching process when the presentation end with the size of 1080 × 760 is selected if the selected size is 1080 × 760. If the size does not correspond, the content is queued at a later position in the content display queue. Multimedia programs of different sizes can still be transmitted to the presenter, but may cause the display effect to be inconsistent with the expectation; if the content is software content, the running system is Linux, and the software content does not appear in the content display queue when the windows type display end is selected according to the intelligent matching process; the data communication between the display end and the distribution end is encrypted by using a symmetric algorithm DES, so that the data security is ensured.
The diversity of the content production of the production end is mainly embodied as three points:
(A) making a media program: different media resources need to be uploaded, or a complete program page is constructed on the page through components in a component library by using resources in an existing media library; the data of the media program comprises dynamic data and file data, the dynamic data comprises basic information of the program and is stored in a database of the making end, and the file data is stored in a file server; the main attributes of the program content data body comprise: "id" unique identification, "name" program name, "size" program request size, "environment" request runtime environment, "sourceType" content type, "elements" component, "items" resource.
The specific examples of the program content data body are as follows:
(B) and (3) making software content: in addition to uploading necessary software resources, the user needs to further identify the control behavior of the software to supplement necessary information, including content type, software type, storage directory, execution instruction, stop instruction, and the like. Examples are as follows:
“sourceType:software”；
“software：jar”；
“saveDirectory:/resources/software/1/xxx”；
“runInstruct:java-jar xxx.jar”；
“stopInstruct:service java stop”；
the method comprises the steps of representing that the content type is software, the software type is jar, the software resource directory is/resources/software/1/xxx, the software execution instruction is java-jar xxx, and the software shutdown instruction is service java stop;
(C) making website content: making a website, constructing a plurality of pages by using components in a component library, and establishing the relation among the pages by using the components; the website data is divided into resource files and dynamic data, the resource files are stored in a file server, and the dynamic data comprise basic information, component information and the like of the website and are stored in a database of a manufacturing end.
After a user constructs content by using resources, the content is distributed to a display end, and the display end can select corresponding processing modes according to different content types; if the program is a media program or a website, the program can be played by using an embedded browser; if the content is the software content, the value of an execution instruction runInstructions of the content is called, and the software is opened.
The making end needs to carry out necessary risk control and virus detection on the uploading of files, particularly the uploading of software resources, and comprises the following steps:
(a) making common names of virus files collected by a terminal, analyzing virus naming characteristics, and establishing a virus naming characteristic library;
(b) the JavaScript is used for strictly limiting the full name of the uploaded file, the strict limitation can only be English characters, numbers and a few available characters, and the name of the file is compared and analyzed with data in a virus name feature library, so that whether the file is legal or not is judged;
(c) when the file is submitted to a background after being subjected to naming verification, the background reads file header information, and if the file is found to be an irregular file type, the file is intercepted;
(d) and deploying antivirus software on an operating system to which the file server belongs, and carrying out virus detection on the newly uploaded file.
(e) The resources of the file server are backed up regularly so as to avoid irreparable loss caused by resource loss.
The above-described embodiments are intended to illustrate rather than to limit the invention, and any modifications and variations of the present invention are within the spirit of the invention and the scope of the appended claims.
Claims (9)
1. A web end system based on content distribution and screen display control is characterized by comprising a production end, a distribution end and a display end;
the making end is based on java web end service, the component technology is utilized to help a user to make contents quickly, and the making end can make various contents; only one manufacturing end needs to be deployed; the production end supports the rapid construction of media programs and portal websites, supports cms content management and supports the release of software applications; in the aspects of website construction and media program construction, a component technology is utilized, html5+ vue.js is used, components are packaged into components, the components are placed in a component library, a user can select, move, change styles and the like, and rapid construction of pages is achieved;
the distributing terminal is based on java web service and is used for distributing content and controlling the display behavior of the display terminal, and the distributed resources have diversity; only one distributing end needs to be deployed;
the display end comprises a desktop service and a screen device which can be used for displaying pictures, wherein the desktop service is used for receiving instructions from the distribution end and downloading related files and display contents; the display end adapts different display modes according to the types of the resources to display different contents; the deployment number of the display ends depends on the number of the display points, and one display point deploys one display end;
the distributing end and the showing end communicate by using a bus technology, and the communication behavior and the data format follow an SBR protocol; the exhibition terminal follows SBR protocol to return information to the distribution terminal in fixed time to inform the exhibition terminal of the state; the distribution end analyzes the condition of each display end, presents a controllable display end for a user, and matches corresponding selectable distribution content according to different display end types;
the data format of the SBR protocol is as follows: the method comprises the steps of operating code operation, display end number deviceSN, distribution end number sendSN, sending time sendTime, sending instruction instactionUUID, current working state work, playing program id play ID, playing program name play name, display end screen size and display end running system server type.
2. The web-end system based on content distribution and screen display control according to claim 1, wherein the production end is a springboot service deployed on Linux or Windows, and is matched with an independent file server for realizing an http protocol to realize functions of uploading resources and producing content for a user; the file server stores corresponding file resources according to categories, and the specific performance of file resource storage is as follows:
(1) the file resources are mainly stored by a file local file protocol;
(2) the file resources are roughly divided into three categories: media files, website files, and software files;
(3) file resource subdivision: media files include pictures, video, text, audio, and the like; software files include directories, compressed packages, executable files, and the like; the website files comprise pictures, videos, audios and the like;
(4) and (3) classification judgment of the files:
js carries out primary identification on the uploaded file categories, and resources uploaded on a media resource page, a website resource page and a software resource page are respectively provided with rough classification identification: "category: media", "category: site", "category: software";
b. the production end server carries out further subdivision identification on the file, subdivides the file according to the suffix name of the file, and judges the files as a picture type such as jpg, '. png, '. jpeg ' and the like; ". mp 3". wmv ", etc. are judged as audio; ". mp 4". mov ", etc. are judged as video,". doc ". txt", etc. are judged as text;
(5) storage level of file resources: all files are divided into a root directory, a rough classified file directory, a fine classified file directory, a user name directory, a time point directory and a specific file;
(6) the file resource has a data format after being uploaded and processed, and the common part structure attributes are as follows: the unique identifier "id", the rough category ", the fine category" type ", the resource name", the resource path "src", the upload user ", the upload time", and the resource size ".
3. The web-based system for content distribution and screen display control according to claim 1, wherein the distribution end is a springboot service deployed on Linux or Windows, providing users with functions of distributing content to a designated display end and controlling the display end; distributing content involves the issue of rights of users, including:
(1) a super manager: all available contents can be distributed to all available showing ends, and all showing ends have the authority of inquiry, monitoring, control and the like; the authority of a common administrator and a common user can be distributed;
(2) the general administrator: all available resources can be distributed to the available display ends, and all the display ends have the authority of inquiry, monitoring, control and the like;
(3) the common user: all the available contents made by the user can be distributed to the available display end owned by the user; and the corresponding display end has the authority of inquiry, monitoring, control and the like.
The distribution terminal can perform instruction control on the display terminal, including starting, closing, stopping programs, playing programs, adjusting volume, switching programs and the like.
4. The web-end system based on content distribution and screen display control according to claim 1, wherein the display end can be in a form of a combination of a screen and a microcomputer, the microcomputer is loaded with a windows or Linux or android system, and the microcomputer and the screen are connected by an HDMI wire; the display end can also be a computer or a mobile phone; the service of the display end is realized by calling the webkit kernel by java, the effect of embedding a browser can be achieved, and rich content is displayed.
5. The web-end system based on content distribution and screen display control according to claim 1, wherein the communication of the distributing end and the exhibiting end adopts a real-time bus technology; each showing end is defined as different nodes of the bus, all showing end nodes send status information to a distributing end once per minute, and the communication behavior follows the SBR protocol; the operation code "operation" in the SBR protocol is used to define different operations, and mainly includes:
(1) the displayInfo represents the operation of sending the status information, is sent to the distribution end by the display end, and updates the corresponding state of the display end in the database after the distribution end receives the status information;
(2) the 'sendplay' sends program operation, which is distributed to the display end by the distributing end, and the display end executes the program playing operation after receiving the program operation and feeds back the information of whether the program is played successfully.
(3) The 'sendplaylist' feeds back the information operation whether the program is successfully played, the display end sends the information operation to the distribution end, and the distribution end records the state after receiving the information operation.
(4) The 'ctrl play' controls the program operation, from the distributing end to the displaying end, the displaying end executes the change of the program state.
6. The content distribution and screen display control based web-end system according to claim 1, wherein the current working state "workState" in the SBR protocol comprises: normal represents a normal working state, leave represents an offline state, and break represents a fault state; the display end operation system 'serverType' comprises Android, Linux and Windows;
when a user performs content distribution operation, the system firstly selects a display end in a normal working state, and then intelligently matches optional content according to the currently selected display end; the intelligent matching process is as follows:
(1) creating a content display queue;
(2) acquiring the size of a display screen and an operating system;
(3) acquiring the latest releasing behavior of the user, and if the user releases the latest content Y on the showing terminal x recently and the releasing time is not more than 5 minutes from the current operation time, the system determines that the user is likely to release the content Y on the currently selected showing terminal;
(4) judging whether the content Y is suitable for being put on the display end according to the size of the selected display end screen and the operation system, namely whether the content Y has legality to the display end; the legality is judged by extracting data information from the content Y to obtain the required size and the required operating environment of the content Y and then comparing the required size and the required operating environment with the size and the operating environment of a display end screen;
(5) if the content Y has validity for the currently selected display end, the content Y is placed into the first position of the display queue;
(6) acquiring the latest content edited by a user, and if the content has validity for the currently selected display end, placing the content into a queue;
(7) searching all contents of which the user has the legality of the operating environment, and putting the contents into a queue according to the chronological order; the judgment of the environment legality of the content on the display end is made by extracting environment requirement information from the content and then comparing the environment requirement information with the operation environment information of the display end;
(8) and (4) removing the duplicate of the queue element, and if two or more duplicate elements exist, deleting the duplicate element behind the queue and keeping the duplicate element at the front.
7. The web-based system for content distribution and screen display control according to claim 1, wherein the data communication between the exhibiting end and the distributing end is encrypted by using a symmetric algorithm DES, so as to ensure the data security.
8. The web-end system based on content distribution and screen display control as claimed in claim 1, wherein the diversity of content production at the production end is mainly embodied as three points:
(A) making a media program: different media resources need to be uploaded, or a complete program page is constructed on the page through components in a component library by using resources in an existing media library; the data of the media program comprises dynamic data and file data, the dynamic data comprises basic information of the program and is stored in a database of the making end, and the file data is stored in a file server; the main attributes of the program content data body comprise: "id" unique identification, "name" program name, "size" program request size, "environment" request runtime environment, "sourceType" content type, "elements" component, "items" resource;
(B) and (3) making software content: in addition to uploading necessary software resources, the user needs to further identify the control behavior of the software to supplement necessary information, including content type, software type, storage directory, execution instruction, stop instruction, etc.;
(C) making website content: making a website, constructing a plurality of pages by using components in a component library, and establishing the relation among the pages by using the components; the website data is divided into resource files and dynamic data, the resource files are stored in a file server, and the dynamic data comprise basic information, component information and the like of the website and are stored in a database of a manufacturing end.
After the user utilizes the resources to construct the content, the content is distributed to the display end, and the display end can select corresponding processing modes according to different content types.
9. The web-end system based on content distribution and screen display control of claim 1, wherein the production end performs risk control and virus detection for uploading of files, and comprises the following steps:
(a) making common names of virus files collected by a terminal, analyzing virus naming characteristics, and establishing a virus naming characteristic library;
(b) the JavaScript is used for strictly limiting the full name of the uploaded file, the strict limitation can only be English characters, numbers and a few available characters, and the name of the file is compared and analyzed with data in a virus name feature library, so that whether the file is legal or not is judged;
(c) when the file is submitted to a background after being subjected to naming verification, the background reads file header information, and if the file is found to be an irregular file type, the file is intercepted;
(d) and deploying antivirus software on an operating system to which the file server belongs, and carrying out virus detection on the newly uploaded file.
(e) The resources of the file server are backed up regularly so as to avoid irreparable loss caused by resource loss.
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