CN104850484A - Bitmap analysis based automatic determination method for character terminal interactive state - Google Patents
Bitmap analysis based automatic determination method for character terminal interactive state Download PDFInfo
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Abstract
The invention discloses a bitmap analysis based automatic determination method for a character terminal interactive state, comprising the steps of: acquiring, via network monitoring, data produced by an interactive process between a client of a character terminal of a user and a host, and analyzing the data through terminal emulation to restore the interactive process between the client and the host; and solidifying bitmap information of the character terminal at an information extracting point, and filtering the data according to features of the bitmap information. Through innovative usage of the conventional network character terminal technology, an accurate, efficient and widely applicable automatic determination method for a terminal interactive state is provided. By using a comparison method combining bitmap comparison and character comparison, which interactive state the current character terminal interactive state is can be more accurately determined; and it can be automatically determined, according to intercepted bitmap information, that the current interactive state is a command prompt state, a text editing state, a message echoing state, or one of the mixed states.
Description
Technical field
The present invention relates to the technical field such as information security, data mining, specifically, is a kind of character terminal interaction mode automatic judging method based on bitmap analysis.
Background technology
Along with network technology is popularized gradually, the life of people is day by day tight to the dependence of network with work, and the safety problem thereupon produced also more and more receives publicity.The network terminal is one of the most frequently used network interaction instrument.They are mainly divided into " character terminal " (as by network entry to a Linux server) and the large class of " graphic terminal " (such as using Remote desk process to a Windows PC) two.
Although both decide displaying contents on terminal display by the control information of Network Capture host server but their principle of work is completely different---the control information least unit that the former needs is " char ", and the control information least unit of the latter is " pixel ".Such as will show a character " A " on terminal display, character terminal only needs to transmit " A " graphic terminal in a network then to be needed to transmit a lot of Pixel Information (the little luminous point that can be understood as with a lot of human eye is difficult to differentiate forms letter " A ").
So character terminal simple and stable but the content that can show is relatively limited and graphic terminal can show abundant in content colorful but to the network bandwidth and Computing Capability Requirement higher.So even to this day, character terminal is mainly applied to finance, aviation, data maintenance etc. to stable and that reliability requirement is very high field; Graphic terminal is then used in the directions such as multimedia, amusement, PC more.
Character terminal can produce countless data every day on network, containing the key message that mass data analyst pays close attention in these data, but more be then no-good redundant data, how to use automation tools to become a problem demanding prompt solution to distinguish these effective informations.
The feature of character terminal: it can use corresponding interactive interface and user communication at different interaction modes, if each interaction mode of differentiation that can be intelligent, then can filter out unwanted redundant data to a great extent.But there is following difficult point: the information shown by terminal screen be for operating personnel read thus artificial judgment goes out the data that what state present terminal be in, computer automation instrument is very large for these slightly fuzzy judgement difficulty.
Summary of the invention
The object of the present invention is to provide a kind of character terminal interaction mode automatic judging method based on bitmap analysis, by the creative use to existing network character terminal technology, provide a kind of terminal interaction state automatic judging method accurate, efficient, applied widely.
Character terminal interaction mode, refer to by showing different character informations, terminal screen informs which type of interaction mode the user's present terminal before screen is in, and these states include but not limited to: command cue state, text editing state, message echo state and various admixture.When carrying out automation data screening, can these states be very crucial technical indicator by judging accurately and efficiently, because this relates to carry out effective data filtering at data extraction ground commitment, having data application efficiency greatly affects.
For the current accurate status of the judgement character terminal interaction mode of efficient, robotization, the present invention is achieved through the following technical solutions: a kind of character terminal interaction mode automatic judging method based on bitmap analysis, the data produced in the client of character terminal user and main frame reciprocal process are obtained by network monitoring, by terminal simulation to data analysis, the reciprocal process between reduction client and main frame; Then at information extraction point, the message bit pattern of solidification character terminal, is then filtered data according to the feature of message bit pattern.
Further, to better implement the present invention, described " data produced in the client being obtained character terminal user by network monitoring and main frame reciprocal process, by terminal simulation to data analysis, the reciprocal process of reducing between client and main frame; Then at information extraction point, the message bit pattern of solidification character terminal, is then filtered data according to the feature of message bit pattern " comprise following concrete steps:
Steps A: data monitoring, carries out record by network monitoring to all data produced in the client of character terminal user and main frame reciprocal process;
Step B: data analysis, to all data analysis produced in the client of recorded character terminal user and main frame reciprocal process, distinguishes user's request msg and response of host data;
Step C: terminal simulation, after step B, analyze draw be response of host data time, main frame send to user how to describe to reduce through terminal simulation with the data of display screen information for describing character terminal, refigure becomes the mankind can the screen message of direct reading;
Step D: generate bitmap, when carrying out terminal simulation reduction, when user operation node triggers, regard the overall displaying contents of terminal screen as a bitmap, and the information of this bitmap is carried out record, described running node triggers as user uses button to trigger or/and timing button triggers, and in order to compare with needing the feature bitmap filtered, thus effectively classifies to data;
Step e: aspect ratio pair, the bitmap sample in the bitmap recorded by step D and feature database is compared;
Step F: data screening, after step e, when meeting the feature of certain bitmap sample, just can judge the interaction mode of current screen displaying contents to a certain extent, thus further the data of this screen being carried out category filter.
Further, to better implement the present invention, the terminal simulation reduction in described step C, step D, for sending to the terminal control sequence data of client by resolving main frame, terminal screen information reverting client seen, to monitoring client, realizes the function of real-time supervisory user screen.
Further, to better implement the present invention, when terminal screen information reverting client seen is to monitoring client, user uses any moment of character terminal, the screen message that user sees has the backup after the reduction of a terminal simulation, in order to carrying out bitmap comparison and/or character comparison when follow-up opportunity is appropriate, thus automatically judge the interaction mode of character terminal.
Further, to better implement the present invention, feature database in described step e, inside store according in the actual use of character terminal screen, a series of bitmap example that long period of operation is summarized the experience out and the bitmap sample that character example is formed and character sample, and bitmap sample and character sample are effectively classified.
Further, to better implement the present invention, after step B, when analyze draw be user's request msg time, then analyze client and send to the request msg of main frame, and start bitmap comparison action in the moment needed.
Further, to better implement the present invention, described aspect ratio is to comprising bitmap comparison phase and/or charactor comparison stage, the described bitmap comparison stage refers to be that bitmap format forms bitmap by the terminal screen convert information in comparison moment, then bitmap and the bitmap sample be stored in feature database is in advance compared; The described charactor comparison stage refers to when carrying out bitmap comparison and very accurately can not judging current state, and adopt character comparison further, the pattern utilizing characteristic character to be positioned at feature locations judges, accurately to determine current character terminal interaction state.
Further, to better implement the present invention, when carrying out character comparison, the pattern that described characteristic character is positioned at feature locations comprises match pattern state and/or wildcard mode state, described match pattern state is specific character on bitmap ad-hoc location or character string and the specific character on being stored in feature database bitmap sample in advance or character string is complete matching status, and described wildcard pattern is that the character string on bitmap ad-hoc location meets certain specified conditions state with the specific character string on the bitmap sample be stored in advance in feature database.
Further, to better implement the present invention, after data being filtered according to the feature of message bit pattern, also comprise the interaction mode automatically judging character terminal, describedly automatically judge that the interaction mode of character terminal is as when artificial access, client automatic decision present terminal screen is in what state (command prompt state, text editing state etc.), determining that this on-screen data need not need to retain (content of operation under command prompt state of supervisor's concerned with user of such as most of sensitive equipment and be indifferent under text editing state operation), thus reject useless data message.
Further, to better implement the present invention, described information extraction point, for target terminal interaction mode needs the some operations be determined to be about to the eve be performed.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention is by the creative use to existing network character terminal technology, provides a kind of terminal interaction state automatic judging method accurate, efficient, applied widely.
(2) the present invention adopts the alignments that bitmap comparison combines with character comparison, can judge which kind of interaction mode current character terminal interaction mode is more accurately.
(3) according to intercepted message bit pattern robotization, the present invention can determine that current interaction mode is a certain state in command cue state, text editing state, message echo state or various admixture.
(4) the present invention has and disposes characteristic easily: except basic network connects, and without any need for other instruments when disposing the software module needed for this invention, operating personnel use any one main flow terminal and client all can.
(5) bitmap sample and character sample are stored in same feature database by the present invention, can effectively improve Characteristic Contrast efficiency.
Accompanying drawing explanation
Fig. 1 is workflow diagram of the present invention.
Fig. 2 is fundamental diagram of the present invention.
Embodiment
The present invention relates to the aspects of contents such as computer networking technology, information security technology and data mining technology, is a kind of integrated application of computer technology in above-mentioned field.In implementation procedure of the present invention, the application of multiple software function module can be related to.Applicant thinks, as reading over application documents, accurate understanding is of the present invention realize principle and goal of the invention after, when in conjunction with existing known technology, those skilled in the art can use its software programming technical ability grasped to realize the present invention completely.Aforementioned software functional module comprises but is not limited to:
Data monitoring module: this module is deployed between user and main frame, all communication datas between user and main frame all can under the monitoring of this module, and a series of modules submitted to below process by these data.
Terminal simulation module: the instruction simulation be responsible for sending to client to describe host side and how drawn on client terminal display also changes into the Word message that ordinary people can read.
Bitmap generation module: the whole screen content transformation that aforementioned terminals analog module generates by this module is corresponding data bitmap.
Comparing module: the comparison being divided into two stages, first stage is bitmap comparison---the relevant bitmap data in the data bitmap that bitmap generation module generates by this stage and feature database are compared, thus the terminal human-computer interaction state corresponding to screen display is carried out to judgement and the screening of first stage, if feature database data are perfect, judgment accuracy here can reach more than 90%; Second stage is character contrast---for the special terminal human-computer interaction state of minority, for promoting judgment accuracy further, need the specific character (string) to ad-hoc location to carry out character comparison.
Interaction mode judge module: the result that this module returns according to comparing module, automatization judgement is carried out to the man-machine interaction state of current character terminal, get involved without the need to manual operation, thus determine to operate further the need of retain, analysis etc. the content of current screen display.
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
For the current accurate status of the judgement character terminal interaction mode of efficient, robotization, the present invention is achieved through the following technical solutions: a kind of character terminal interaction mode automatic judging method based on bitmap analysis, the data produced in the client of character terminal user and main frame reciprocal process are obtained by network monitoring, by terminal simulation to data analysis, the reciprocal process between reduction client and main frame; Then at information extraction point, the message bit pattern of solidification character terminal, is then filtered data according to the feature of message bit pattern.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, as shown in Figure 1, further, to better implement the present invention, described " data produced in the client being obtained character terminal user by network monitoring and main frame reciprocal process; by terminal simulation to data analysis, the reciprocal process of reducing between client and main frame; Then at information extraction point, the message bit pattern of solidification character terminal, is then filtered data according to the feature of message bit pattern " comprise following concrete steps:
Steps A: data monitoring, carries out record by network monitoring to all data produced in the client of character terminal user and main frame reciprocal process;
Step B: data analysis, to all data analysis produced in the client of recorded character terminal user and main frame reciprocal process, distinguishes user's request msg and response of host data;
Step C: terminal simulation, after step B, analyze draw be response of host data time, main frame send to user how to describe to reduce through terminal simulation with the data of display screen information for describing character terminal, refigure becomes the mankind can the screen message of direct reading;
Step D: generate bitmap, when carrying out terminal simulation reduction, when user operation node triggers, regard the overall displaying contents of terminal screen as a bitmap, and the information of this bitmap is carried out record, described running node triggers as user uses button to trigger or/and timing button triggers, such as user on keyboard, knock in enter key thus request server perform before knock in order time, network data corresponding to this enter key can be sent to server by client, and data monitoring module can capture these data, this moment is exactly one " user operation node ", specific to each user itself, may not be triggered by enter key---may be such as other buttons, also may be that timing triggering one in every 10 seconds is inferior, specifically can be configured by user flexibility, in order to compare with needing the feature bitmap filtered, thus data are effectively classified,
Bitmap, refers to and regards terminal screen as a rectangular lattice, wherein has the point of character to regard as 1, does not have the point of character to regard as 0, and such as one can show 8 terminal screens being multiplied by 4 characters and can regard as following bitmap:
This is one and does not show any screen:
00000000
00000000
00000000
00000000
This is one has the screen of displaying contents at the first row and the second row:
11111111
11100000
00000000
00000000
This is a screen interface having frame:
11111111
10000001
10000001
11111111
So, screen message can be cured as bitmap corresponding to each moment;
Step e: aspect ratio pair, the bitmap sample in the bitmap recorded by step D and feature database is compared;
Step F: data screening, after step e, when meeting the feature of certain bitmap sample, just can judge the interaction mode of current screen displaying contents to a certain extent, thus further the data of this screen being carried out category filter.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, to better implement the present invention, terminal simulation reduction in described step C, step D, for sending to the terminal control sequence data of client by resolving main frame, terminal screen information reverting client seen, to monitoring client, realizes the function of real-time supervisory user screen.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, to better implement the present invention, when terminal screen information reverting client seen is to monitoring client, user uses any moment of character terminal, the screen message that user sees has the backup after the reduction of a terminal simulation, in order to carrying out bitmap comparison and/or character comparison when follow-up opportunity is appropriate, thus automatically judge the interaction mode of character terminal, described follow-up opportunity is time appropriate, refer to the user operation node in some sensitivity, such as user knocks in carriage return after having inputted order, order will be performed by main frame after this, if this order can cause any harm to endanger so after this and just cause, so need when the data knocking in this action of enter key generation are transmitted in a network, network monitoring means are utilized to obtain this data, and carry out comparing and screening at this material time, thus for contingency question backtracking and responsibility investigation provide Data support.This order can be stoped to cause damage by this function completely actually by the network planning flexibly.
Embodiment 5:
The present embodiment is the enterprising one-step optimization in the basis of any embodiment in embodiment 2-4, further, to better implement the present invention, feature database in described step e, inside store according in the actual use of character terminal screen, a series of bitmap example that long period of operation is summarized the experience out and the bitmap sample that character example is formed and character sample, and bitmap sample and character sample are effectively classified, such as: the screen of its correspondence of bitmap having frame to show can not be generally command cue state, and larger may be text editing state.
Feature database: be divided into two parts, a part is Q-character figure Sample Storehouse, another part is character feature Sample Storehouse, it comprises the information such as character (string) and character (string) position, wherein character sample is under the jurisdiction of each bitmap sample, only has the character sample comparison just carrying out further when some bitmap comparisons need to carry out character comparison being further under the jurisdiction of under current bitmap sample.
Embodiment 6:
The present embodiment is the enterprising one-step optimization in the basis of any embodiment in embodiment 2-5, as shown in Figure 1, further, to better implement the present invention, after step B, when analyze draw be user's request msg time, then analyze client and send to the request msg of main frame, and start bitmap comparison action in the moment needed; Such as by analysis client send to the request msg of main frame be user on keyboard, knock in enter key thus request server perform before knock in order time, be then a kind of moment of needs.
Embodiment 7:
The present embodiment is the enterprising one-step optimization in the basis of any embodiment in embodiment 2-6, further, to better implement the present invention, described aspect ratio is to comprising bitmap comparison phase and/or charactor comparison stage, the described bitmap comparison stage refers to be that bitmap format forms bitmap by the terminal screen convert information in comparison moment, then bitmap and the bitmap sample be stored in feature database are in advance compared, its effect carries out preliminary judgement to screen interaction mode, foundation is the screen construction that terminal interaction state has it intrinsic, be indifferent to screen what specifically show time robotization decision procedure is most of, and only need to know screen display the chances are what layout, namely there is Charactes Display in which place, which place does not have Charactes Display, so both save storage space and also improve comparison speed, when bitmap comparison phase, merely bitmap compares, as on each specifically which character put aside, the described charactor comparison stage refers to when carrying out bitmap comparison and very accurately can not judging current state, and adopt character comparison further, the pattern utilizing characteristic character to be positioned at feature locations judges, accurately to determine current character terminal interaction state, such as: a bitmap having frame to show, below it, the left end of frame has digit strings to show (can wildcard), then very large may be text editing state, and this string numeral is for representing text line number.
During the secondary relative method formed when adopting bitmap comparison phase and charactor comparison stage, comprising bitmap and comparing and the Integrated comparative in two stages of charactor comparison and filters, tentatively realizing fuzzy comparison by bitmap comparison.
Embodiment 8:
The present embodiment is the enterprising one-step optimization in the basis of any embodiment in embodiment 2-7, further, to better implement the present invention, when carrying out character comparison, the pattern that described characteristic character is positioned at feature locations comprises match pattern state and/or wildcard mode state, described match pattern state is specific character on bitmap ad-hoc location or character string and the specific character on being stored in feature database bitmap sample in advance or character string is complete matching status, need whether the character considering display on each is same character, such as, consider that following two can show the screen (underscore represents that this position does not show) that 4 are multiplied by 3 characters:
Show the screen of a string character " a ":
aaaa
aa__
____
Show the screen of a string character " b ":
bbbb
bb__
____
To these two screen contents carry out bitmap compare time, they are identical; Then different when carrying out charactor comparison.
Described wildcard pattern is that the character string on bitmap ad-hoc location meets certain specified conditions state with the specific character string on the bitmap sample be stored in advance in feature database, namely for a certain character string, character string is not necessarily identical, as long as meet a certain specified conditions, such as character is all numeral, character all Caps etc.Also can combine, such as first character is numeral etc. after being letter.So can promote the versatility of comparison.
Embodiment 9:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further, to better implement the present invention, after data being filtered according to the feature of message bit pattern, also comprise the interaction mode automatically judging character terminal, describedly automatically judge that the interaction mode of character terminal is as when artificial access, client automatic decision present terminal screen is in what state (command prompt state, text editing state etc.), determining that this on-screen data need not need to retain (content of operation under command prompt state of supervisor's concerned with user of such as most of sensitive equipment and be indifferent under text editing state operation), thus reject useless data message.
Embodiment 10:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further, to better implement the present invention, described information extraction point, for target terminal interaction mode needs the some operations be determined to be about to the eve be performed, such as user have input one order after knock enter key tell computing machine can perform this order time, to gather and filter command is the more common method of current industry at this point, certainly be not limited to this, concrete time point can adjust according to demand flexibly.
Wherein, data monitoring module is connected with terminal simulation module, and terminal simulation module is connected with bitmap generation module, and bitmap generation module is connected with comparing module, comparing module is connected with feature database and interaction mode judge module, realizes electrical signal transfer between each adjacent modules; Data monitoring module is deployed between client and main frame, for all communication datas between supervisory user and main frame, and submits to terminal simulation module and processes after these data of acquisition; Terminal simulation module for the instruction simulation that main frame sent to the description of client and how to draw on client terminal display and change into user can the Word message of direct reading; The whole screen data transformations that bitmap generation module is used for critical data to extract point is data bitmap.
As shown in Figure 1 and Figure 2, the principle that realizes of the present invention is:
First obtained the data (i.e. data monitoring) produced in user and main frame reciprocal process by network monitoring, comprise user's request and the two-part content of response of host.Then by terminal simulation, response of host is analyzed, restore the content that user can see on terminal display.When needs carry out terminal interaction condition adjudgement (as user knocks in enter key), the content of the whole screen display in this moment will be cured as corresponding data bitmap, bitmap sample in this data bitmap and feature database compares (i.e. Characteristic Contrast), if necessary, character comparison is carried out further.Thus judge the character terminal interaction mode (i.e. data screening) corresponding to current screen content, determine the going or staying of this on-screen data and further action further.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (10)
1. the character terminal interaction mode automatic judging method based on bitmap analysis, it is characterized in that: obtained the data produced in the client of character terminal user and main frame reciprocal process by network monitoring, by terminal simulation to data analysis, the reciprocal process between reduction client and main frame; Then at information extraction point, the message bit pattern of solidification character terminal, is then filtered data according to the feature of message bit pattern.
2. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to claim 1, is characterized in that: comprise following concrete steps:
Steps A: data monitoring, carries out record by network monitoring to all data produced in the client of character terminal user and main frame reciprocal process;
Step B: data analysis, to all data analysis produced in the client of recorded character terminal user and main frame reciprocal process, distinguishes user's request msg and response of host data;
Step C: terminal simulation, after step B, analyze draw be response of host data time, main frame send to user how to describe to reduce through terminal simulation with the data of display screen information for describing character terminal, refigure becomes the mankind can the screen message of direct reading;
Step D: generate bitmap, when carrying out terminal simulation reduction, when user operation node triggers, regarding the overall displaying contents of terminal screen as a bitmap, and the information of this bitmap is carried out record;
Step e: aspect ratio pair, the bitmap sample in the bitmap recorded by step D and feature database is compared;
Step F: data screening, after step e, when meeting the feature of certain bitmap sample, just can judge the interaction mode of current screen displaying contents to a certain extent, thus further the data of this screen being carried out category filter.
3. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to claim 2, it is characterized in that: the terminal simulation reduction in described step C, step D, for sending to the terminal control sequence data of client by resolving main frame, terminal screen information reverting client seen is to monitoring client.
4. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to claim 3, it is characterized in that: when terminal screen information reverting client seen is to monitoring client, user uses any moment of character terminal, and the screen message that user sees has the backup after the reduction of a terminal simulation.
5. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to claim 2, it is characterized in that: the feature database in described step e, inside store according in the actual use of character terminal screen, a series of bitmap example that long period of operation is summarized the experience out and the bitmap sample that character example is formed and character sample, and bitmap sample and character sample are effectively classified.
6. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to claim 2, it is characterized in that: after step B, when analyze draw be user's request msg time, then analyze the request msg that client sends to main frame, and start bitmap comparison action in the moment needed.
7. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to claim 2, it is characterized in that: described aspect ratio is to comprising bitmap comparison phase and/or charactor comparison stage, the described bitmap comparison stage refers to be that bitmap format forms bitmap by the terminal screen convert information in comparison moment, then bitmap and the bitmap sample be stored in feature database is in advance compared; The described charactor comparison stage refers to when carrying out bitmap comparison and very accurately can not judging current state, and adopt character comparison further, the pattern utilizing characteristic character to be positioned at feature locations judges, accurately to determine current character terminal interaction state.
8. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to claim 7, it is characterized in that: when carrying out character comparison, the pattern that described characteristic character is positioned at feature locations comprises match pattern state and/or wildcard mode state, described match pattern state is specific character on bitmap ad-hoc location or character string and the specific character on being stored in feature database bitmap sample in advance or character string is complete matching status, described wildcard pattern is that the character string on bitmap ad-hoc location meets certain specified conditions state with the specific character string on the bitmap sample be stored in advance in feature database.
9. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to any one of claim 1-8, it is characterized in that: after data being filtered according to the feature of message bit pattern, also comprise the interaction mode automatically judging character terminal, describedly automatically judge that the interaction mode of character terminal is as when artificial access, client automatic decision present terminal screen is in any state, to determine that this on-screen data need not need to retain, thus reject useless data message.
10. a kind of character terminal interaction mode automatic judging method based on bitmap analysis according to any one of claim 1-8, it is characterized in that: described information extraction point, for target terminal interaction mode needs the some operations be determined to be about to the eve be performed.
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| CN111818177B (en) * | 2020-07-24 | 2023-08-08 | 广州彩熠灯光股份有限公司 | Remote control display method, server, client and system based on network |
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