CN110989956A - Multi-screen information interaction method and device, storage medium and computer equipment - Google Patents
Multi-screen information interaction method and device, storage medium and computer equipment Download PDFInfo
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- CN110989956A CN110989956A CN201911234542.4A CN201911234542A CN110989956A CN 110989956 A CN110989956 A CN 110989956A CN 201911234542 A CN201911234542 A CN 201911234542A CN 110989956 A CN110989956 A CN 110989956A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
Abstract
The invention discloses a multi-screen information interaction method, a multi-screen information interaction device, a storage medium and computer equipment, wherein the multi-screen information interaction method is applied to a server, the server is in communication connection with an operation end and a display end, and the multi-screen information interaction method comprises the following steps: judging whether the server receives a communication request sent by an operation end; if so, receiving first instruction information sent by the operation end, wherein the first instruction information is used for selecting the content to be displayed by the display end; and combining the contents selected by the user according to the first instruction information, and sending second instruction information to the display end, wherein the second instruction information is used for projecting the combined contents to the display end. Through the setting, the operation of the large screen is put to the independent operation end, an operator can modify and control the display content of the large screen through the operation end, the mouse is difficult to accurately position on the ultra-large screen when the operation is directly carried out on the large screen, the large screen is operated through the PC end, the operability is stronger, and the operation efficiency is higher.
Description
Technical Field
The invention relates to the field of power systems, in particular to a multi-screen information interaction method, a multi-screen information interaction device, a multi-screen information interaction storage medium and computer equipment.
Background
The production monitoring command center is used as a production monitoring and emergency command center specially created for large-scale national power systems and mainly comprises a monitoring large screen and an operation console. The 'monitoring large screen' is an oversized display screen, is a combined screen projected onto a 3-face wall by 4 projectors working in cooperation, and is difficult to directly carry out a series of operations on the 'monitoring large screen' through a mouse. And the cross-computer webpage content display and the split screen control are realized by utilizing the split screen function of the operating system. However, since the three walls spliced into the large monitor screen are not on the same horizontal plane, the split screen control cannot be realized by using the split screen function of the operating system.
Disclosure of Invention
The invention mainly aims to provide a multi-screen information interaction method, and aims to solve the technical problem of monitoring the split screen control of a large screen.
The invention provides a multi-screen information interaction method, which is applied to a server, wherein the server is in communication connection with an operation terminal and a display terminal, and the method comprises the following steps:
judging whether the server receives a communication request sent by an operation end;
if so, receiving first instruction information sent by the operation end, wherein the first instruction information is used for selecting the content to be displayed by the display end;
and combining the contents selected by the user according to the first instruction information, and sending second instruction information to the display end, wherein the second instruction information is used for projecting the combined contents to the display end.
Preferably, if yes, after the step of receiving the first instruction information sent by the operation end, the method includes:
judging whether the communication connection with the display end is normal or not, wherein the server is in communication connection with the display end through a WebSockect technology;
if yes, generating the instruction information which combines the contents selected by the user according to the first instruction information and sends the second instruction information to the display terminal.
Preferably, after the step of combining the content selected by the user according to the first instruction information and sending the second instruction information to the display terminal, the method includes:
judging whether new first instruction information is received or not;
and if so, sending new second instruction information to the display end according to the new first instruction information.
Preferably, the server has a memory and a display card, and is characterized in that after the step of receiving the first instruction information sent by the operation terminal, the method includes:
analyzing the number of pixels required to be updated by a display end;
and adjusting the data transmission quantity from the memory to the display card according to the analysis result so as to reduce the transmission of repeated data.
Preferably, the display card has a refresh cycle, the screen of the display end has a plurality of sub-screens, and the method, before the step of combining the content selected by the user according to the first instruction information and sending the second instruction information to the display end, comprises:
judging whether the real-time contents to be displayed by each split screen of the display end are calculated and stored in the memory of the display card before the display card is in the next refreshing cycle;
and if not, generating instruction information for stopping combining the contents selected by the user.
The invention also provides a multi-screen information interaction device, which comprises:
the first judgment module is used for judging whether the server receives a communication request sent by the operation terminal;
the first execution module is used for receiving first instruction information sent by the operation end if the first instruction information is received, wherein the first instruction information is used for selecting the content to be displayed by the display end;
and the second execution module is used for combining the contents selected by the user according to the first instruction information and sending second instruction information to the display end, wherein the second instruction information is used for projecting the combined contents to the display end.
Preferably, the apparatus for multi-screen information interaction further includes:
the second judgment module is used for judging whether the communication connection with the display end is normal or not, wherein the server is in communication connection with the display end through a WebSocket technology;
and the third execution module is used for generating the instruction information of the second instruction information to the display terminal according to the first instruction information and the content selected by the user.
Preferably, the apparatus for multi-screen information interaction further includes:
the third judging module is used for judging whether new first instruction information is received or not;
and the fourth execution module is used for sending new second instruction information to the display end according to the new first instruction information if the first instruction information is positive.
The present invention also provides a storage medium, which is a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed, the method for multi-screen information interaction as described above is implemented.
The invention also provides computer equipment which comprises a processor, a memory and a computer program which is stored on the memory and can run on the processor, wherein the multi-screen information interaction method is realized when the processor executes the computer program.
The invention has the beneficial effects that: through the setting, the operation of large screen has been put independent operation end, and the operator can modify and control the large screen display content through operation end, compares in direct mouse when operating on the large screen and is difficult to accurate location at the super large screen, through PC end operation large screen, carries out the control of sub-screen to the large screen through this kind of control means, and the operability is stronger, and operating efficiency is higher. In addition, the invention can realize the individual customization of large-screen display content and has high flexibility and expansibility.
Drawings
FIG. 1 is a flowchart illustrating a multi-screen information interaction method according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a multi-screen information interaction method according to a second embodiment of the present invention;
FIG. 3 is a flowchart illustrating a multi-screen information interaction method according to a third embodiment of the present invention;
FIG. 4 is a flowchart illustrating a fourth embodiment of a multi-screen information interaction method according to the present invention;
FIG. 5 is a flowchart illustrating a method for multi-screen information interaction according to a fifth embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a multi-screen interaction system of the multi-screen information interaction method in FIG. 1;
FIG. 7 is a schematic structural diagram of a multi-screen information interaction apparatus according to the present invention;
FIG. 8 is a block diagram of an embodiment of a storage medium provided in the present application;
fig. 9 is a block diagram of an embodiment of a computer device provided in the present application.
Description of reference numerals:
1. a first judgment module; 2. a first execution module; 3. a second execution module;
100. a storage medium; 200. a computer program; 300. a computer device; 400. a processor.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 6, the present invention provides a method for multi-screen information interaction, where the method is applied to a server, and the server is in communication connection with both an operation terminal and a display terminal, and includes:
s1: judging whether the server receives a communication request sent by an operation end;
s2: if so, receiving first instruction information sent by the operation end, wherein the first instruction information is used for selecting the content to be displayed by the display end;
s3: and combining the contents selected by the user according to the first instruction information, and sending second instruction information to the display end, wherein the second instruction information is used for projecting the combined contents to the display end.
In the embodiment of the invention, the multi-screen information interaction system is used for executing the multi-screen information interaction method, wherein the multi-screen information interaction system comprises an operation end, a server and a display end. The operation end comprises a computer, and the display end comprises a projector and an oversized screen installed on the wall surface. In the embodiment of the invention, an operator logs in the client through a computer and is connected to the server of the monitoring center. And the operator selects the content to be displayed on the large screen at the client. The client sends an http request to the monitoring center server, and aims to enable the operating end and the server to transmit files through an http protocol, so that not only can correct, fast and efficient transmission of hypertext documents be guaranteed, but also a resource loading sequence can be determined. The method comprises the steps that after a server of a monitoring center receives an http request of a client, first instruction information sent by an operation end is received, wherein the first instruction information is used for selecting contents to be displayed by a display end, such as a content A, a content B, a content C and a content D, and the source of the contents to be displayed by the display end can be the server or the server obtains the contents from the operation end. According to the first instruction information, the server combines the contents selected by the operator, namely the arrangement sequence of the selected contents on the wall surface. And sending second instruction information to the projector at the display end. In the embodiment of the invention, the number of the projectors is four, the number of the screens is four, one projector is positioned on the left wall, two projectors are positioned on the middle wall, and one projector is positioned on the right wall, and each projector correspondingly projects one screen. And after receiving the second instruction information and the content to be projected respectively, the projectors work cooperatively to assemble a uniform monitoring picture to be displayed on the large monitoring screen, for example, four projectors project the content A, the content B, the content C and the content D on the screen from left to right respectively to form a uniform monitoring picture. Through the setting, the operation of large screen has been put independent operation end, and the operator can modify and control the large screen display content through operation end, compares in direct mouse when operating on the large screen and is difficult to accurate location at the super large screen, through PC end operation large screen, carries out the control of sub-screen to the large screen through this kind of control means, and the operability is stronger, and operating efficiency is higher. In addition, the invention can realize the individual customization of large-screen display content and has high flexibility and expansibility.
Referring to fig. 2, if yes, after step S2 of receiving the first instruction information sent by the operation end, the method includes:
s21: judging whether the communication connection with the display end is normal or not, wherein the server is connected with the communication through a WebSockect technology;
s22: if yes, generating the instruction information which combines the contents selected by the user according to the first instruction information and sends the second instruction information to the display terminal.
In the embodiment of the invention, the server judges whether the communication connection with the display end is normal, wherein the server is connected with the communication through a WebSocket technology. Through the arrangement, the server and the display end can be normally communicated, so that the monitoring center server can actively push the display content to the display end, the real-time performance is very high, and the accuracy and effectiveness of monitoring the large-screen display content are guaranteed.
Referring to fig. 3, after step S3 of combining the contents selected by the user according to the first instruction information and sending the second instruction information to the display end, the method includes:
s31: judging whether new first instruction information is received or not;
s32: and if so, sending new second instruction information to the display end according to the new first instruction information.
In the embodiment of the present invention, if the operator modifies the display content, the server determines that new first instruction information is received. Compared with the situation that the display content is directly modified at the display end, the display end can have the situations of mouse movement and the like, and the integrity of the picture is influenced. According to the scheme, the operation end and the display end are separated, the modified display content is sent to the server, and the server sends the modified content to the display end, so that the display end is not affected by the operation end, and the integrity of a display end picture is guaranteed.
Referring to fig. 4, the server has a memory and a graphics card, and after step S2 of receiving the first instruction information sent by the operation end, the method includes:
S2A: analyzing the number of pixels required to be updated by a display end;
S2B: and adjusting the data transmission quantity from the memory to the display card according to the analysis result so as to reduce the transmission of repeated data.
In the embodiment of the invention, the screen updates the picture content, and the transmission mode of the picture data is as follows: and the picture data is transmitted from the memory of the operation end to the memory of the server, and is also transmitted from the memory of the server to the display card of the server, and is transmitted from the display card of the server to the screen of the display end. The screen of the display end is formed by splicing a plurality of sub-screens and is used for displaying the data of the power system, a large amount of frame contents are arranged in the background of the screen, and most of the changed contents are real-time data of the power system. Therefore, the server analyzes the number of pixels which need to be updated at the display end, and the specific way is to acquire a screen picture, recognize system data as data pixels, and recognize frame contents such as background colors and background images as non-data pixels. According to the analysis result, the server can adjust the data transmission quantity from the memory to the display card according to software control, and only data pixels are transmitted. Through the arrangement, the repeated non-data pixel transmission quantity is reduced, the saved total data capacity is divided by the network bandwidth, the obtained time is the saved time delay, and the real-time performance of the screen picture of the display end is improved by reducing the time delay. In other embodiments of the present invention, if the screen of the display end needs to update the real-time image of the power system, the server divides the sub-screen into a data screen for displaying the real-time data of the power system and an image screen for displaying the real-time image of the power system. In the data screen, the method of the previous embodiment is followed to reduce the transmission of duplicate data. In the image screen, the server recognizes a real-time picture as a picture pixel and recognizes framed contents such as a background color, a page layout, and the like as a non-picture pixel. The server only transmits the picture pixels to the display card so as to reduce the transmission of repeated data. Compared with the prior art, the method and the device have the advantages that 100% of pixels of the screen picture are updated, only part of pixels of the screen picture need to be updated, data transmission quantity from a memory of the client to the server display card is reduced, data transmission time is saved, and real-time performance of the screen picture is improved.
Referring to fig. 5, before S3, the step of the display card having a refresh cycle and the display end having a plurality of sub-screens, combining the content selected by the user according to the first command information and sending the second command information to the display end, includes:
s2 a: judging whether the real-time contents to be displayed by each split screen of the display end are calculated and stored in the memory of the display card before the next refreshing period of the display card;
s2 b: and if not, generating instruction information for stopping combining the contents selected by the user.
In the embodiment of the invention, each split screen at the display end is provided with a corresponding projector. And a processor in the server display card calculates all the split screen display memories and places the calculated split screen display memories into a shadow display memory, wherein the shadow display memory is a memory area with the same capacity as the display memory required by each split screen, the memory area is not displayed firstly, and a refresh cycle is appointed, such as 60HZ, and the memory areas are displayed together. The principle of updating the picture is to transmit the data of the shadow video memory to the video memory, so that when the next refresh cycle comes, as long as one split screen is not calculated, other split screens do not allow to display a new picture, and the refreshed pictures in the cycle are the content of the previous cycle, because the video memory is not changed, the pictures of all the split screens are necessarily synchronous, so that the pictures of the projectors are hundreds of synchronous, and a plurality of projectors can work cooperatively.
Referring to fig. 7, the present invention provides a multi-screen information interaction apparatus, including:
the first judging module 1 is used for judging whether the server receives a communication request sent by an operation end;
the first execution module 2 is configured to receive first instruction information sent by the operation end if the first instruction information is received, where the first instruction information is used to select content to be displayed by the display end;
and the second execution module 3 is configured to combine the content selected by the user according to the first instruction information, and send second instruction information to the display end, where the second instruction information is used to project the combined content to the display end.
In the embodiment of the invention, the multi-screen information interaction system is used for executing the multi-screen information interaction method, wherein the multi-screen information interaction system comprises an operation end, a server and a display end. The operation end comprises a computer, and the display end comprises a projector and an oversized screen installed on the wall surface. In the embodiment of the invention, an operator logs in the client through a computer and is connected to the server of the monitoring center. And the operator selects the content to be displayed on the large screen at the client. The client sends an http request to the monitoring center server, and aims to enable the operating end and the server to transmit files through an http protocol, so that not only can correct, fast and efficient transmission of hypertext documents be guaranteed, but also a resource loading sequence can be determined. The method comprises the steps that after a server of a monitoring center receives an http request of a client, first instruction information sent by an operation end is received, wherein the first instruction information is used for selecting contents to be displayed by a display end, such as a content A, a content B, a content C and a content D, and the source of the contents to be displayed by the display end can be the server or the server obtains the contents from the operation end. According to the first instruction information, the server combines the contents selected by the operator, namely the arrangement sequence of the selected contents on the wall surface. And sending second instruction information to the projector at the display end. In the embodiment of the invention, the number of the projectors is four, the number of the screens is four, one projector is positioned on the left wall, two projectors are positioned on the middle wall, and one projector is positioned on the right wall, and each projector correspondingly projects one screen. And after receiving the second instruction information and the content to be projected respectively, the projectors work cooperatively to assemble a uniform monitoring picture to be displayed on the large monitoring screen, for example, four projectors project the content A, the content B, the content C and the content D on the screen from left to right respectively to form a uniform monitoring picture. Through the setting, the operation of large screen has been put independent operation end, and the operator can modify and control the large screen display content through operation end, compares in direct mouse when operating on the large screen and is difficult to accurate location at the super large screen, through PC end operation large screen, carries out the control of sub-screen to the large screen through this kind of control means, and the operability is stronger, and operating efficiency is higher. In addition, the invention can realize the individual customization of large-screen display content and has high flexibility and expansibility.
Further, the device for multi-screen information interaction further comprises:
the second judgment module is used for judging whether the communication connection with the display end is normal or not, wherein the server is connected with the communication through a WebSocket technology;
and the third execution module is used for generating the instruction information of the second instruction information to the display terminal according to the content selected by the user and the combination of the first instruction information if the first instruction information is true.
In the embodiment of the invention, the server judges whether the communication connection with the display end is normal, wherein the server is connected with the communication through a WebSocket technology. Through the arrangement, the server and the display end can be normally communicated, so that the monitoring center server can actively push the display content to the display end, the real-time performance is very high, and the accuracy and effectiveness of monitoring the large-screen display content are guaranteed.
Further, the device for multi-screen information interaction further comprises:
the third judging module is used for judging whether new first instruction information is received or not;
and the fourth execution module is used for sending new second instruction information to the display end according to the new first instruction information if the first instruction information is positive.
In the embodiment of the present invention, if the operator modifies the display content, the server determines that new first instruction information is received. Compared with the situation that the display content is directly modified at the display end, the display end can have the situations of mouse movement and the like, and the integrity of the picture is influenced. According to the scheme, the operation end and the display end are separated, the modified display content is sent to the server, and the server sends the modified content to the display end, so that the display end is not affected by the operation end, and the integrity of a display end picture is guaranteed.
Further, the device for multi-screen information interaction further comprises:
the analysis module is used for analyzing the number of pixels required to be updated by the display end;
and the fifth execution module is used for adjusting the data transmission quantity from the memory to the display card according to the analysis result so as to reduce the transmission of repeated data.
In the embodiment of the invention, the screen updates the picture content, and the transmission mode of the picture data is as follows: and the picture data is transmitted from the memory of the operation end to the memory of the server, and is also transmitted from the memory of the server to the display card of the server, and is transmitted from the display card of the server to the screen of the display end. The screen of the display end is formed by splicing a plurality of sub-screens and is used for displaying the data of the power system, a large amount of frame contents are arranged in the background of the screen, and most of the changed contents are real-time data of the power system. Therefore, the server analyzes the number of pixels which need to be updated at the display end, and the specific way is to acquire a screen picture, recognize system data as data pixels, and recognize frame contents such as background colors and background images as non-data pixels. According to the analysis result, the server can adjust the data transmission quantity from the memory to the display card according to software control, and only data pixels are transmitted. Through the arrangement, the repeated non-data pixel transmission quantity is reduced, the saved total data capacity is divided by the network bandwidth, the obtained time is the saved time delay, and the real-time performance of the screen picture of the display end is improved by reducing the time delay. In other embodiments of the present invention, if the screen of the display end needs to update the real-time image of the power system, the server divides the sub-screen into a data screen for displaying the real-time data of the power system and an image screen for displaying the real-time image of the power system. In the data screen, the method of the previous embodiment is followed to reduce the transmission of duplicate data. In the image screen, the server recognizes a real-time picture as a picture pixel and recognizes framed contents such as a background color, a page layout, and the like as a non-picture pixel. The server only transmits the picture pixels to the display card so as to reduce the transmission of repeated data. Compared with the prior art, the method and the device have the advantages that 100% of pixels of the screen picture are updated, only part of pixels of the screen picture need to be updated, data transmission quantity from a memory of the client to the server display card is reduced, data transmission time is saved, and real-time performance of the screen picture is improved.
Further, the device for multi-screen information interaction further comprises:
the fourth judging module is used for judging whether the real-time contents to be displayed by each split screen of the display end are calculated and stored in the memory of the display card before the display card is in the next refreshing cycle;
and the sixth execution module is used for generating instruction information for stopping combining the contents selected by the user if the contents selected by the user are not combined.
In the embodiment of the invention, each split screen at the display end is provided with a corresponding projector. And a processor in the server display card calculates all the split screen display memories and places the calculated split screen display memories into a shadow display memory, wherein the shadow display memory is a memory area with the same capacity as the display memory required by each split screen, the memory area is not displayed firstly, and a refresh cycle is appointed, such as 60HZ, and the memory areas are displayed together. The principle of updating the picture is to transmit the data of the shadow video memory to the video memory, so that when the next refresh cycle comes, as long as one split screen is not calculated, other split screens do not allow to display a new picture, and the refreshed pictures in the cycle are the content of the previous cycle, because the video memory is not changed, the pictures of all the split screens are necessarily synchronous, so that the pictures of the projectors are hundreds of synchronous, and a plurality of projectors can work cooperatively.
Referring to fig. 8, the present application further provides a storage medium 100, in which a computer program 200 is stored in the storage medium 100, and when the computer program runs on a computer, the computer is enabled to execute the method for multi-screen information interaction described in the above embodiment.
Referring to fig. 9, the present application further provides a computer device 300 containing instructions, which when run on the computer device 300, causes the computer device 300 to execute the method for multi-screen information interaction described in the above embodiments through a processor 400 disposed therein.
Those skilled in the art will appreciate that the apparatus for multi-screen information interaction according to the present invention and the above-mentioned devices for performing one or more of the methods described in the present application. These devices may be specially designed and manufactured for the required purposes, or they may comprise known devices in general-purpose computers. These devices have stored therein computer programs or applications that are selectively activated or reconfigured. Such a computer program may be stored in a device (e.g., computer) readable medium, including, but not limited to, any type of disk including floppy disks, hard disks, optical disks, CD-ROMs, and magnetic-optical disks, ROMs (Read-Only memories), RAMs (Random Access memories), EPROMs (Erasable Programmable Read-Only memories), EEPROMs (Electrically Erasable Programmable Read-Only memories), flash memories, magnetic cards, or optical cards, or any type of media suitable for storing electronic instructions, and each coupled to a bus. That is, a readable medium includes any medium that stores or transmits information in a form readable by a device (e.g., a computer).
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A multi-screen information interaction method is applied to a server, the server is in communication connection with an operation end and a display end, and the method comprises the following steps:
judging whether the server receives a communication request sent by the operating terminal;
if so, receiving first instruction information sent by the operation end, wherein the first instruction information is used for selecting the content to be displayed by the display end;
and combining the contents selected by the user according to the first instruction information, and sending second instruction information to the display end, wherein the second instruction information is used for projecting the combined contents to the display end.
2. A multi-screen information interaction method according to claim 1, wherein, if so, after the step of receiving the first instruction information sent by the operation terminal, the method includes:
judging whether the communication connection with the display end is normal or not, wherein the server is in communication connection with the display end through a WebSockect technology;
and if so, generating the instruction information of second instruction information to the display terminal according to the first instruction information and the content selected by the user.
3. A multi-screen information interaction method according to claim 1, wherein after the step of combining the content selected by the user according to the first instruction information and sending second instruction information to the display terminal, the method comprises:
judging whether new first instruction information is received or not;
if yes, sending new second instruction information to the display end according to the new first instruction information.
4. A multi-screen information interaction method according to claim 2, wherein the server has a memory and a display card, and the step of receiving the first instruction information sent by the operation terminal includes:
analyzing the number of pixels required to be updated by the display end;
and adjusting the data transmission quantity from the memory to the display card according to the analysis result so as to reduce the transmission of repeated data.
5. A multi-screen information interaction method as claimed in claim 4, wherein the display card has a refresh period, the screen of the display end has a plurality of sub-screens, and before the step of combining the content selected by the user according to the first instruction information and sending the second instruction information to the display end, the method comprises:
judging whether the real-time contents to be displayed by each split screen of the display end are calculated and stored in the memory of the display card before the display card is in the next refreshing cycle;
and if not, generating instruction information for stopping combining the contents selected by the user.
6. A multi-screen information interaction device is characterized by comprising:
the first judgment module is used for judging whether the server receives the communication request sent by the operation end;
the first execution module is used for receiving first instruction information sent by the operation end if the first instruction information is received, wherein the first instruction information is used for selecting the content to be displayed by the display end;
and the second execution module is used for combining the contents selected by the user according to the first instruction information and sending second instruction information to the display end, wherein the second instruction information is used for projecting the combined contents to the display end.
7. A multi-screen information interaction device as recited in claim 6, further comprising:
the second judgment module is used for judging whether the communication connection with the display end is normal or not, wherein the server is in communication connection with the display end through a WebSocket technology;
and the third execution module is used for generating the instruction information of the second instruction information to the display terminal according to the content selected by the user and the combination of the first instruction information and the content.
8. A multi-screen information interaction device as recited in claim 6, further comprising:
the third judging module is used for judging whether new first instruction information is received or not;
and if so, sending new second instruction information to the display end according to the new first instruction information.
9. A storage medium, which is a computer-readable storage medium, having a computer program stored thereon, wherein the computer program is executed to implement the method for multi-screen information interaction according to any one of claims 1 to 5.
10. A computer device, comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to implement the method for multi-screen information interaction according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234542.4A CN110989956A (en) | 2019-12-05 | 2019-12-05 | Multi-screen information interaction method and device, storage medium and computer equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234542.4A CN110989956A (en) | 2019-12-05 | 2019-12-05 | Multi-screen information interaction method and device, storage medium and computer equipment |
Publications (1)
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