CN109725867A - Virtual screen sharing method, device and electronic equipment - Google Patents
Virtual screen sharing method, device and electronic equipment Download PDFInfo
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- CN109725867A CN109725867A CN201910010162.6A CN201910010162A CN109725867A CN 109725867 A CN109725867 A CN 109725867A CN 201910010162 A CN201910010162 A CN 201910010162A CN 109725867 A CN109725867 A CN 109725867A
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Abstract
The embodiment of the invention discloses a kind of virtual screen sharing method, device and electronic equipments, are related to technical field of data processing.This method comprises: one or more from display object virtually being created from operating system；Caching corresponding to the surface from display object is shared in shared drive with master operating system by metaoperating system；The main display object generated from display object and the master operating system is loaded in the shared content；Create display window in the master operating system, by the display window show in the shared drive from display object and main display object.By the scheme of the application, the efficiency of Screen sharing is improved.
Description
Technical field
The present invention relates to technical field of data processing more particularly to virtual screen technology of sharing.
Background technique
With scientific and technological progress, the development of soc (system on chip, system on chip) is maked rapid progress, and performance is more and more stronger
Greatly, we can use existing powerful soc to handle more tasks.But inside single soc and single system,
There are the insecure factors of this system, therefore introduce the technology of virtualization in mobile and automotive field, that is, in a soc
Multiple operating systems can be run simultaneously above, be isolated each other, in more crucial application scenarios, can operate in safety can
The real-time system leaned on, and application scenarios of less demanding, can be used android or Linux system, can sufficiently send out in this way
Real time operating system application safe and reliable to operation is waved, non real-time system runs android, provides the user with colourful answer
With.And it is following, although the function of soc is very powerful and daily all in progress, it is certain we cannot be all
Hardware capability does two parts all to give two different guest os (from operating system).Material is thus formed a kind of demands, firmly
It is exactly that hardware virtualization is one of shared that part, which virtualizes the shared present invention, shows a kind of shared method of the virtualization of equipment,
It is realized in only one display controller of soc, or needs the case where number of screen to be shown is greater than display interface, still
Can support simultaneously multiple os (operation system, operating system) to the method gone on this only several screen.
Orthodox car uses a large amount of ecu (Electronic Control Unit, electronic control unit), respectively locates
Manage the information of oneself.In soc stronger and stronger today, soc can allow integrated level higher, and management is more succinct, and by
The technology of virtualization can achieve feature-rich, the effect of system safety.
In view of the above-mentioned problems, needing a kind of completely new virtual screen technology of sharing.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of virtual screen sharing method, device, electronic equipment, non-transient
Computer readable storage medium and computer program, at least part of solution problems of the prior art.
In a first aspect, the embodiment of the invention provides a kind of virtual screen sharing methods, comprising:
It is one or more from display object virtually being created from operating system；
By it is described from display object surface corresponding to caching by metaoperating system in shared drive with main behaviour
It is shared as system；
The main display object generated from display object and the master operating system is loaded in the shared content；
Create display window in the master operating system, by the display window show in the shared drive from
Show object and main display object.
A kind of specific implementation according to an embodiment of the present invention, it is described that one or more is virtually being created from operating system
It is a from display object, comprising:
It obtains described from all application programs in operating system；
It is corresponding from display object for the generation of each application one.
A kind of specific implementation according to an embodiment of the present invention, it is described that one or more is virtually being created from operating system
It is a from display object, comprising:
One or more is created from display object from operating system system from one；Or
From it is multiple created from operating system system it is multiple from display object.
A kind of specific implementation according to an embodiment of the present invention, the method also includes:
One or more application program is run from display object described.
A kind of specific implementation according to an embodiment of the present invention, master operating system are all described shared by directly accessing
The surface caching from display object and main display object in memory, the frame of acquisition from display object and main display object are slow
It deposits.
A kind of specific implementation according to an embodiment of the present invention, it is described to be shown in described share by the display window
In depositing from display object and main display object, comprising:
Obtain in the shared drive from display object and main display object；
It is shown described from display object and main display object different figure layers and position in the master operating system
Show.
A kind of specific implementation according to an embodiment of the present invention, it is described to be shown in described share by the display window
In depositing from display object and main display object, further includes:
Obtain the display level in master operating system and display position from display object and main display object；
It is blocked based on the display level and display position to from the display area execution of display object or main display object
Or part covering operation.
A kind of specific implementation according to an embodiment of the present invention, it is described to be shown in described share by the display window
In depositing from display object and main display object, further includes:
Judge from operating system with the presence or absence of unusual condition；
If it exists, then it is corresponding for the slave operating system there are unusual condition from display object in the display window
Not show.
Second aspect, the embodiment of the invention also provides a kind of virtual screen sharing means, comprising:
Creation module, for virtually creating one or more from operating system from display object；
Sharing module, for caching corresponding to the surface from display object to be passed through metaoperating system altogether
It enjoys in memory and being shared with master operating system；
Loading module, for what is generated described in the load in the shared content from display object and the master operating system
Main display object；
Display module, for creating display window in the master operating system, shown by the display window described in
In shared drive from display object and main display object.
The third aspect, the embodiment of the invention also provides a kind of electronic equipment, the electronic equipment includes:
At least one processor；And
The memory being connect at least one described processor communication；Wherein,
The memory is stored with the instruction that can be executed by least one described processor, and described instruction is by described at least one
A processor executes, so that at least one described processor is able to carry out any realization of aforementioned first aspect or first aspect
Virtual screen sharing method described in mode.
Fourth aspect, it is described non-transient the embodiment of the invention also provides a kind of non-transient computer readable storage medium
Computer-readable recording medium storage computer instruction, the computer instruction is for making the computer execute aforementioned first party
Virtual screen sharing method described in any implementation of face or first aspect.
5th aspect, the embodiment of the invention also provides a kind of computer program product, the computer program product packet
The calculation procedure being stored in non-transient computer readable storage medium is included, the computer program includes program instruction, works as institute
When stating program instruction and being computer-executed, the computer is made to execute any implementation of aforementioned first aspect or first aspect
The virtual screen sharing method.
Virtual screen sharing method provided in an embodiment of the present invention, device, electronic equipment, non-transient computer is readable deposits
Storage media and computer program are included in and virtually create one or more from operating system from display object；It will be described from aobvious
Show that caching corresponding to the surface of object is shared in shared drive with master operating system by metaoperating system；?
The main display object generated from display object and the master operating system is loaded in the shared content；In the main operation
Display window is created in system, by the display window show in the shared drive from display object and it is main display pair
As.By the scheme of the application, the user experience of Screen sharing is improved.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that a kind of virtual screen provided in an embodiment of the present invention shares flow diagram；
Fig. 2 is that a kind of virtual screen provided in an embodiment of the present invention shares schematic diagram of product structure；
Fig. 3 is that another virtual screen provided in an embodiment of the present invention shares schematic diagram of product structure；
Fig. 4 is a kind of virtual screen sharing means structural schematic diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of electronic equipment structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Virtualization divides type1 virtualization and type2 virtualization, the difference is that the virtualization of type2 is run on hardware
One normal os runs a hypervisor on this os, and other os are operated on this hypervisor, and
The virtualization of type1, hypervisor are then run directly on hardware, other os then operate in this hypervisor it
On, the difference is that the running environment of hypervisor is direct hardware or operates on some os.There is presently no at
The shared technology of ripe display, usually soc support multiple output interfaces, different guest os (from operating system), output
It is gone on to different interfaces, to realize that different os manages different display interfaces, for example android os is output to first
Display interface, qnx are output to second display interface, cannot be output to the same screen each other.Or android os passes through
Some interface is output to another system by network.Or the muti-piece plank of distributed system is some plank therein
Show that content by such as EAVB, is shown by another system plays.Or the muti-piece plank of distributed system is wherein
Some plank display content by such as HDMI, shown by another system plays.Currently existing scheme can not be
Two systems are shown simultaneously on one screen, and by way of network, the delay of formation is very big, can not accomplish seamless switching not
Same system interface or the difference interface os is shown simultaneously.Or it can not show that multiple android are answered simultaneously on one screen
With and with real-time system interface it is shared.
Referring to Fig. 1, the embodiment of the invention provides a kind of virtual screen sharing methods, comprising the following steps:
S101, it is one or more from display object virtually being created from operating system.
It is mounted in master operating system by the way of virtual installation from operating system.It can be all branch from operating system
Hold the operating system (for example, android system) installed by virtual mode.
Based on actual display demand, one can create one or more virtual display object from operating system
(display), or virtual display object can also be created from operating system multiple.
Display object can be used to load or show that, from the application program inside operating system, a display object corresponds to
The content of one operation object.
S102, by caching corresponding to the surface from display object through metaoperating system in shared drive
It is shared with master operating system.
In order to guarantee to operate normally in master operating system from operating system, need that metaoperating system pair is arranged
It is managed from operating system.It is such for loading virtual opetrating system that metaoperating system can be similar hypervisor
System is also possible to other similar therewith operating systems.
Referring to fig. 2, the corresponding caching of surface of virtual display object can be passed through by metaoperating system shared interior
The mode deposited shares out, at this point, sharing a part of memory from operating system and master operating system.
There may be multiple from operating system, for example, from operating system A, from operating system B, from operating system C.From behaviour
It can be android system, QNX system or similar system as system.As an example, it is run from operating system A
Have using 1, using 2 and using 3, operation applies 4 from operating system B.By way of shared drive, using 1, using 2
And application 3 is respectively mapped in the appropriate address section of shared content.
S103 loads the main display pair generated from display object and the master operating system in the shared content
As.
Referring to fig. 2, there are multiple address fields (for example, address field 1, address field 2, address field 3, address field in shared drive
4), as an example, address field 1, address field 2, address field 3 can load application 1 from operating system A, using 3 and answer
With 2, address field 4 is used to load the locally applied (not shown) in master operating system.
By the preset address section in setting shared drive and shared drive, institute can be loaded in the shared content
State the main display object generated from display object and the master operating system.
S104 creates display window in the master operating system, shows the shared drive by the display window
In from display object and main display object.
Can start different applications inside this multiple virtual display object, for example, luncher perhaps map or
Other app.Corresponding window is created in master operating system, different figure layers is put on the graphics system of master operating system
With different positions, since the application of master operating system this side is also handled at master operating system end, we can be in master in this way
The behavior of the adjustment of operating system end master operating system app and the display from operating system app.Such as the app lid of master operating system
Firmly cover from operating system app or master operating system app from certain specific regions of operating system app.And work as from operation
When abnormal (for example, stain of running quickly) occurs in system, the operation of master operating system app is not interfered with.
A kind of specific implementation according to an embodiment of the present invention, it is described that one or more is virtually being created from operating system
It is a from display object, comprising:
It obtains described from all application programs in operating system；
It is corresponding from display object for the generation of each application one.
Display object can be created in several ways, and a kind of specific implementation according to an embodiment of the present invention is described
It is one or more from display object virtually being created from operating system, comprising: to create one from operating system system from one
It is a or multiple from display object；Or from it is multiple created from operating system system it is multiple from display object.
For showing object, various ways can be taken to be configured, a kind of specific implementation according to an embodiment of the present invention
Mode can run one or more application program from display object described.
Referring to fig. 2 and Fig. 3, a kind of specific implementation according to an embodiment of the present invention, master operating system is by directly visiting
It asks the surface caching from display object and main display object in all shared drives, obtains from display object and master
Show the frame buffer of object.As an example, master operating system can be Qnx operating system, can be from operating system
Android operation system.
A kind of specific implementation according to an embodiment of the present invention, it is described to be shown in described share by the display window
In depositing from display object and main display object, comprising: obtain in the shared drive from display object and main display object；
It is shown described from display object and main display object different figure layers and position in the master operating system.
A kind of specific implementation according to an embodiment of the present invention, it is described to be shown in described share by the display window
In depositing from display object and main display object, further includes: obtain from display object and main display object in master operating system
In display level and display position；It is shown based on the display level and display position to from display object or main display object
Show that region executes and blocks or partially cover operation.
A kind of specific implementation according to an embodiment of the present invention, it is described to be shown in described share by the display window
In depositing from display object and main display object, further includes: judge to whether there is unusual condition from operating system；If it exists, then
It is corresponding for the slave operating system there are unusual condition not to be shown in the display window from display object.
By taking Fig. 3 as an example, a display object can correspond to muti-piece frame buffer to solve asking for Caton on Android platform
Topic.Three cachings (shared drive 0, shared drive 1, shared drive 2) can be set, these three shared drives can all be shared to
Master operating system end.
It will use window and corresponding window of the mode qnx of setting caching (set buffer) at master operating system end
Caching (window buffer) associates.
In this way when qnx shows this window can corresponding window it is corresponding caching (for example, shared drive 0, altogether
Enjoy memory 1, shared drive 2) it takes out and is shown to corresponding place.For example, virtual cache frame 1 is mapped to 0 region of shared drive,
Then the window of qnx has been given in setting.Here memory address mappings are related only to, i.e. the memory of master operating system is mapped to main operation
Memory in system, the not operation of memory copying, improves the efficiency of data manipulation.
Corresponding with above method embodiment, referring to fig. 4, disclosed herein as well is a kind of virtual screen sharing means
40, comprising:
Creation module 401, for virtually creating one or more from operating system from display object.
It is mounted in master operating system by the way of virtual installation from operating system.It can be all branch from operating system
Hold the operating system (for example, android system) installed by virtual mode.
Based on actual display demand, one can create one or more virtual display object from operating system
(display), or virtual display object can also be created from operating system multiple.
Display object can be used to load or show that, from the application program inside operating system, a display object corresponds to
The content of one operation object.
Sharing module 402, for caching corresponding to the surface from display object to be existed by metaoperating system
It is shared in shared drive with master operating system.
In order to guarantee to operate normally in master operating system from operating system, need that metaoperating system pair is arranged
It is managed from operating system.It is such for loading virtual opetrating system that metaoperating system can be similar hypervisor
System is also possible to other similar therewith operating systems.
Referring to fig. 2, the corresponding caching of surface of virtual display object can be passed through by metaoperating system shared interior
The mode deposited shares out, at this point, sharing a part of memory from operating system and master operating system.
There may be multiple from operating system, for example, from operating system A, from operating system B, from operating system C.From behaviour
It can be android system, QNX system or similar system as system.As an example, it is run from operating system A
Have using 1, using 2 and using 3, operation applies 4 from operating system B.By way of shared drive, using 1, using 2
And application 3 is respectively mapped in the appropriate address section of shared content.
Loading module 403, it is described from display object and master operating system production for being loaded in the shared content
Raw main display object.
Referring to fig. 2, there are multiple address fields (for example, address field 1, address field 2, address field 3, address field in shared drive
4), as an example, address field 1, address field 2, address field 3 can load application 1 from operating system A, using 3 and answer
With 2, address field 4 is used to load the locally applied (not shown) in master operating system.
By the preset address section in setting shared drive and shared drive, institute can be loaded in the shared content
State the main display object generated from display object and the master operating system.
Display module 404 shows institute by the display window for creating display window in the master operating system
State in shared drive from display object and main display object.
Can start different applications inside this multiple virtual display object, for example, luncher perhaps map or
Other app.Corresponding window is created in master operating system, different figure layers is put on the graphics system of master operating system
With different positions, since the application of master operating system this side is also handled at master operating system end, we can be in master in this way
The behavior of the adjustment of operating system end master operating system app and the display from operating system app.Such as the app lid of master operating system
Firmly cover from operating system app or master operating system app from certain specific regions of operating system app.And work as from operation
When abnormal (for example, stain of running quickly) occurs in system, the operation of master operating system app is not interfered with.
Function performed by each functional module and the corresponding embodiment of the method for content correspond in above-described embodiment,
Details are not described herein.
Fig. 5 shows the structural schematic diagram of electronic equipment 50 provided in an embodiment of the present invention, and electronic equipment 5 includes at least one
A processor 501 (such as CPU), at least one input/output interface 504, memory 502 and at least one communication bus 503,
For realizing the connection communication between these components.At least one processor 501 is used to execute holding of storing in memory 502
Row module, such as computer program.Memory 502 is non-transient memory (non-transitory memory), be can wrap
It also may include non-containing volatile memory, such as high-speed random access memory (RAM:Random Access Memory)
Volatile memory (non-volatile memory), for example, at least a magnetic disk storage.Pass through at least one input and output
Interface 504 (can be wired or wireless communication interface) realizes the communication connection between at least one other network element.
In some embodiments, memory 502 stores program 5021, and processor 501 executes program 5021, for holding
The embodiment of the aforementioned any virtual screen sharing method based on electronic equipment of row.
The electronic equipment can exist in a variety of forms, including but not limited to:
(1) mobile communication equipment: the characteristics of this kind of equipment is that have mobile communication function, and to provide speech, data
Communication is main target.This Terminal Type includes: smart phone (such as iPhone), multimedia handset, functional mobile phone and low
Hold mobile phone etc..
(2) super mobile personal computer equipment: this kind of equipment belongs to the scope of personal computer, there is calculating and processing function
Can, generally also have mobile Internet access characteristic.This Terminal Type includes: PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device: this kind of equipment can show and play multimedia content.Such equipment include: audio,
Video player (such as iPod), handheld device, e-book and intelligent toy and portable car-mounted navigation equipment.
(4) particular server: providing the equipment of the service of calculating, and the composition of server includes processor, hard disk, memory, is
Bus of uniting etc., server is similar with general computer architecture, but due to needing to provide highly reliable service, is handling
Ability, stability, reliability, safety, scalability, manageability etc. are more demanding.
(5) other electronic equipments with data interaction function.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, without necessarily requiring or implying these.
There are any actual relationship or orders between entity or operation.Moreover, the terms "include", "comprise" or
Any other variant thereof is intended to cover non-exclusive inclusion by person, so that including the process, method of a series of elements, article
Or equipment not only includes those elements, but also including other elements that are not explicitly listed, or it is this for further including
The intrinsic element of process, method, article or equipment.In the absence of more restrictions, by sentence " including one
It is a ... " limit element, it is not excluded that there is also another in the process, method, article or apparatus that includes the element
Outer identical element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.
For Installation practice, since it is substantially similar to the method embodiment, so the comparison of description is simple
Single, the relevent part can refer to the partial explaination of embodiments of method.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.
In the above-described embodiment, multiple steps or method can be with storages in memory and by suitable instruction execution
The software or firmware that system executes are realized.For example, in another embodiment, can be used if realized with hardware
Any one of following technology well known in the art or their combination are realized: being had for realizing logic function to data-signal
The discrete logic of the logic gates of energy, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate
Array (PGA), field programmable gate array (FPGA) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of virtual screen sharing method characterized by comprising
It is one or more from display object virtually being created from operating system；
By it is described from display object surface corresponding to caching by metaoperating system in shared drive with main operation system
System is shared；
The main display object generated from display object and the master operating system is loaded in the shared content；
Create display window in the master operating system, by the display window show in the shared drive from display
Object and main display object.
2. virtual screen sharing method according to claim 1, which is characterized in that described virtually from operating system
Creation is one or more from display object, comprising:
It obtains described from all application programs in operating system；
It is corresponding from display object for the generation of each application one.
3. virtual screen sharing method according to claim 1, which is characterized in that described virtually from operating system
Creation is one or more from display object, comprising:
One or more is created from display object from operating system system from one；Or
From it is multiple created from operating system system it is multiple from display object.
4. virtual screen sharing method according to claim 1, which is characterized in that the method also includes:
One or more application program is run from display object described.
5. virtual screen sharing method according to claim 1, it is characterised in that:
Master operating system passes through the surface from display object and main display object directly accessed in all shared drives
Caching obtains the frame buffer from display object and main display object.
6. virtual screen sharing method according to claim 1, which is characterized in that described aobvious by the display window
Show in the shared drive from display object and main display object, comprising:
Obtain in the shared drive from display object and main display object；
It is shown described from display object and main display object different figure layers and position in the master operating system.
7. virtual screen sharing method according to claim 6, which is characterized in that described aobvious by the display window
Show in the shared drive from display object and main display object, further includes:
Obtain the display level in master operating system and display position from display object and main display object；
It is blocked or portion based on the display level and display position to being executed from the display area of display object or main display object
Divide covering operation.
8. virtual screen sharing method according to claim 7, which is characterized in that described aobvious by the display window
Show in the shared drive from display object and main display object, further includes:
Judge from operating system with the presence or absence of unusual condition；
If it exists, then corresponding for the slave operating system there are unusual condition to be refused in the display window from display object
Display.
9. a kind of virtual screen sharing means characterized by comprising
Creation module, for virtually creating one or more from operating system from display object；
Sharing module, for caching corresponding to the surface from display object to be passed through metaoperating system shared interior
It is shared in depositing with master operating system；
Loading module, it is aobvious for loading the master generated from display object and the master operating system in the shared content
Show object；
Display module is shown described shared for creating display window in the master operating system by the display window
In memory from display object and main display object.
10. a kind of electronic equipment, which is characterized in that the electronic equipment includes:
At least one processor；And
The memory being connect at least one described processor communication；Wherein,
The memory is stored with the instruction that can be executed by least one described processor, and described instruction is by described at least one
It manages device to execute, so that at least one described processor is able to carry out virtual screen described in aforementioned any claim 1-8 and is total to
Enjoy method.
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| CN111273883A (en) * | 2020-01-20 | 2020-06-12 | 北京远特科技股份有限公司 | Same-screen display method and device for multiple operating systems and terminal equipment |
| CN111399790A (en) * | 2020-02-29 | 2020-07-10 | 惠州华阳通用电子有限公司 | Picture sharing system and implementation method thereof |
| CN111708587A (en) * | 2020-08-24 | 2020-09-25 | 广州汽车集团股份有限公司 | Device and method for realizing multimode application of vehicle-mounted air conditioner screen display |
| CN112631538A (en) * | 2020-12-30 | 2021-04-09 | 安徽鸿程光电有限公司 | Display method, device, equipment and computer storage medium |
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