CN107249032A - A kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop and its method of work - Google Patents
A kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop and its method of work Download PDFInfo
- Publication number
- CN107249032A CN107249032A CN201710454132.5A CN201710454132A CN107249032A CN 107249032 A CN107249032 A CN 107249032A CN 201710454132 A CN201710454132 A CN 201710454132A CN 107249032 A CN107249032 A CN 107249032A
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- server
- synchronous
- connection string
- client
- remote desktop
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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
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
-
- 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
- H04L67/14—Session management
- H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention belongs to IT application in education sector field, a kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop and its method of work are provided, the present invention controls mechanism in server database sets up data, Courseware Resource is initiated by host side synchronously to read, the remote desktop session control provided by Windows, sends connection string to server storage, remote rights are set to only allow viewing, the flag property values of server-side database are revised as 1 simultaneously, that is, switch to synchronous initiation state.Client-side polling server, once getting flag seizure condition, that is, starts to receive the connection string for being stored in server end.Client-side locallys create remote desktop viewing control, the character string received is transmitted into control, you can receive picture.The present invention can efficiently ensure the fluency of picture, and the synchronous reading for courseware under LAN provides strong help.
Description
Technical field
The invention belongs to IT application in education sector field, and in particular to a kind of Courseware Resource transmitted based on remote desktop is synchronously read
Look at device and its method of work, it is adaptable to the synchronous reading of classroom courseware.
Technical background
In conventional teaching, student obtains Courseware Resource on classroom, only by watching in teacher is projected on curtain
Hold, this is for the certain obstacle of lyceum teaching presence, and distance is more remote, and student will be more difficult to obtain the detailed content of Courseware Resource.
Along with the high speed development of IT application in education sector, smart machine gradually walks entering classroomses, student although can be obtained in the terminal of oneself
Courseware Resource is taken, but teacher professor course needs to combine Courseware Resource sometimes, and incremental, nonsynchronous courseware is broadcast in each terminal
Put easily influence teaching efficiency.
For synchronous reading, conventional art by the way of crawl sectional drawing transmission, is the drawbacks of this mode, schemed mostly
As dealing with improperly for algorithm easily causes the interim card of synchronizing picture.
The content of the invention
The purpose of the present invention exactly in order to overcome deficiency of the prior art, proposes a kind of class transmitted based on remote desktop
Part source synchronous browsing apparatus and its method of work, can efficiently ensure the fluency of picture, be the synchronization of courseware under LAN
Reading provides strong help.
The purpose of the present invention is achieved through the following technical solutions.
A kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop, including host side, client-side, service
Device；
The server is combined offer data between host side and client-side using webservice with database
Transmission, server be used for data storage and data exchange, server database setting be named as ConnectionString's
Attribute stores connection string, and setting is named as flag attribute to manage synchronous reading initiation state.
The host side, by Windows RDP Session remote desktop session control, generates Remote desk process
Comprising the information set up needed for connecting in character string, character string, authority setting is connected only to allow to watch, and being sent to server
Character string storage is connect, and it is 1 to change flag, represents to open synchronous reading state；Initiate synchronously to read it in main frame end subscriber
Afterwards, this connection string will be written in server database so that multiple terminals is called.
The client-side receives connection string and display picture from server；Client-side automatic regular polling server,
When flag is 1, corresponding connection string is pulled to local, and locally using Windows RDP Viewer controls turn
Connection string is changed, picture and the display of synchronous reading is obtained.
In the above-mentioned technical solutions, the tables of data of server database is made up of ID, ConnectionString, flag,
Wherein ID is numbering, and ConnectionString is varchar types, for storing connection string, and flag is int types,
Value is that synchronous reading is not opened in 0 or 1,0 expression, and 1 represents to open synchronous reading.
Present invention also offers a kind of work of the above-mentioned synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop
Method, comprises the following steps：
(1) host side initiates Courseware Resource synchronously reading；
(2) host side sets authority and generates connection string；Authority is defined as only allowing viewing, and passes through
Windows RDP Session generation connection strings；
(3) connection string is sent in server database by host side；By connection string write service device data
In the ConnectionString attributes in storehouse, and it is 1 to change flag attributes, i.e., synchronous reading opening；
(4) client-side receives connection string；Client-side by periodic polling server flag attributes,
Synchronous reading opening is got, and corresponding connection string is pulled local；
(5) client-side display picture；Client-side is turned the connection string received by RDP Viewer controls
It is changed to synchronous reading picture.
Apparatus of the present invention and method control mechanism in server database sets up data, and user terminal is divided into two classes,
The user terminal for initiating synchronous reading is referred to as host side, and the user terminal for receiving synchronous reading picture is referred to as client-side.By leading
Generator terminal is initiated Courseware Resource and synchronously read, and the remote desktop session control (RDP Session) provided by Windows is sent
Connection string (Connection String) arrives server storage, and remote rights are set to only allow to watch (CTRL_
LEVEL_VIEW), while the flag property values of server-side database are revised as into 1, that is, synchronous initiation state is switched to.Client
Generator terminal polling server, once getting flag seizure condition, that is, starts to receive the connective word for being stored in server end
Symbol string.Client-side locallys create remote desktop viewing control (RDP Viewer), and the character string received is transmitted into control
In, you can receive picture.
The technical scheme that the present invention is provided has the advantages that compared with prior art：
The Courseware Resource synchronization browsing apparatus that user is transmitted using the present invention based on remote desktop, can be high in LAN
Effect transmission host side picture is to client-side, and picture smoothness degree is high, and image quality is outstanding, by windows remote desktop skill
Art, can make the synchronous reading of Courseware Resource more efficient.
Brief description of the drawings
Fig. 1 is the schematic diagram of apparatus of the present invention.
Fig. 2 is the flow chart of the inventive method.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
The embodiments of the invention provide a kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop, such as Fig. 1 institutes
Show, including host side, client-side, server；
The server is combined offer data between host side and client-side using webservice with database
Transmission, server be used for data storage and data exchange, server database setting be named as ConnectionString's
Attribute stores connection string, and setting is named as flag attribute to manage synchronous reading initiation state.
The host side, by Windows RDP Session remote desktop session control, generates Remote desk process
Comprising the information set up needed for connecting in character string, character string, authority setting is connected only to allow to watch, and being sent to server
Character string storage is connect, and it is 1 to change flag, represents to open synchronous reading state；Initiate synchronously to read it in main frame end subscriber
Afterwards, this connection string will be written in server database so that multiple terminals is called.
The client-side receives connection string and display picture from server；Client-side automatic regular polling server,
When flag is 1, corresponding connection string is pulled to local, and locally using Windows RDP Viewer controls turn
Connection string is changed, picture and the display of synchronous reading is obtained.
Specifically, it is as shown in the table, it is the tables of data template of a server database, wherein, ID is numbering,
ConnectionString is varchar types, for storing connection string, and flag is int types, and value is 0 or 1,0
Synchronous reading is not opened in expression, and 1 represents to open synchronous reading.
Embodiment two
The embodiments of the invention provide a kind of above-mentioned synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop
Method of work, as shown in Fig. 2 comprising the following steps：
S1, host side is initiated Courseware Resource and synchronously read；
S2, host side setting authority simultaneously generates connection string；Authority is defined as only allowing viewing, and passes through
Windows RDP Session generation connection strings；
Connection string is sent in server database by S3, host side；By connection string write service device data
In the ConnectionString attributes in storehouse, and it is 1 to change flag attributes, i.e., synchronous reading opening；
S4, client-side receives connection string；Client-side by periodic polling server flag attributes,
Synchronous reading opening is got, and corresponding connection string is pulled local；
S5, client-side display picture；Client-side is turned the connection string received by RDP Viewer controls
It is changed to synchronous reading picture.
The content not being described in detail in this specification, belongs to prior art known to those skilled in the art.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (3)
1. a kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop, it is characterized in that：Including host side, client computer
End, server；
The server is combined the biography for providing data between host side and client-side using webservice with database
Pass, server is used for data storage and data exchange, server database sets the attribute for being named as ConnectionString
Connection string is stored, setting is named as flag attribute to manage synchronous reading initiation state；
The host side, by Windows RDP Session remote desktop session control, generates Remote desk process character
Comprising the information set up needed for connecting in string, character string, by authority setting only to allow viewing, and connective word is sent to server
Symbol string storage, and it is 1 to change flag, represents to open synchronous reading state；
The client-side receives connection string and display picture from server；Client-side automatic regular polling server, when
When flag is 1, corresponding connection string is pulled to local, and locally using Windows RDP Viewer controls conversion
Connection string, obtains picture and the display of synchronous reading.
2. the Courseware Resource synchronous browsing apparatus according to claim 1 transmitted based on remote desktop, it is characterized in that：Service
The tables of data of device database is made up of ID, ConnectionString, flag, and wherein ID is numbering, ConnectionString
For varchar types, for storing connection string, flag is int types, and value is that synchronous read is not opened in 0 or 1,0 expression
Look at, 1 represents to open synchronous reading.
3. a kind of method of work of the Courseware Resource synchronous browsing apparatus as claimed in claim 1 transmitted based on remote desktop,
It is characterized in that this method comprises the following steps：
(1) host side initiates Courseware Resource synchronously reading；
(2) host side sets authority and generates connection string；Authority is defined as only allowing viewing, and passes through Windows's
RDP Session generate connection string；
(3) connection string is sent in server database by host side；By connection string write service device database
In ConnectionString attributes, and it is 1 to change flag attributes, i.e., synchronous reading opening；
(4) client-side receives connection string；Client-side is obtained by periodic polling server flag attributes
To synchronous opening of reading, and corresponding connection string pulled local；
(5) client-side display picture；Client-side is converted to the connection string received by RDP Viewer controls
Synchronous reading picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710454132.5A CN107249032A (en) | 2017-06-15 | 2017-06-15 | A kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop and its method of work |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710454132.5A CN107249032A (en) | 2017-06-15 | 2017-06-15 | A kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop and its method of work |
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| CN201710454132.5A Pending CN107249032A (en) | 2017-06-15 | 2017-06-15 | A kind of synchronous browsing apparatus of Courseware Resource transmitted based on remote desktop and its method of work |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802989A (en) * | 2018-11-28 | 2019-05-24 | 华为技术有限公司 | Data transmission method and device, server and terminal |
| CN111246276A (en) * | 2018-11-28 | 2020-06-05 | 鸿合科技股份有限公司 | Remote courseware playing method and device and electronic equipment |
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| CN102546194A (en) * | 2010-12-24 | 2012-07-04 | 联想(北京)有限公司 | Display data processing method, system and server |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20171013 |