CN110851097B - Control method, device, medium and electronic equipment for consistency of handwriting data - Google Patents
Control method, device, medium and electronic equipment for consistency of handwriting data Download PDFInfo
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- CN110851097B CN110851097B CN201910994056.6A CN201910994056A CN110851097B CN 110851097 B CN110851097 B CN 110851097B CN 201910994056 A CN201910994056 A CN 201910994056A CN 110851097 B CN110851097 B CN 110851097B
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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
- G06F3/1462—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 with means for detecting differences between the image stored in the host and the images displayed on the remote displays
Abstract
The invention provides a control method, a device, a medium and electronic equipment for consistent handwriting data, wherein the control method comprises the following steps: acquiring handwriting data of a second terminal carrying a target instruction of the second terminal according to a request for acquiring the handwriting data of the second terminal, wherein the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information; and sending the handwriting data of the second terminal to the first terminal so that the first terminal can execute corresponding operation according to the target instruction in the handwriting data of the second terminal. According to the invention, the target instruction of the second terminal carries the corresponding operator information and the corresponding unique identification information, so that whether the target instruction of the target operation exists or not can be determined, and when the target instruction of the target operation does not exist, the lost part of handwriting data is determined to be lost, and the lost data is fed back, so that the handwriting data of the interactive first terminal and the handwriting data of the interactive second terminal are ensured to be consistent finally.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a method, an apparatus, a medium, and an electronic device for controlling handwriting data consistency.
Background
On-line education is one of the industries of very fire explosion at present, and white boards are a very important teaching link. The whiteboard is divided into a teacher end and a student end, wherein the teacher end writes the blackboard-writing and the student end synchronizes the blackboard-writing. In the interactive whiteboard, a teacher and a student can write and operate handwriting, and the handwriting data can be transmitted to the other party through a network. In addition to writing on the board, the content of the board can be controlled during the interaction. Such a command capable of controlling a blackboard writing is called a control command, such as an undo command, a redo command, and the undo command will cancel the last stroke and the redo command will restore the last stroke. In the process of interaction of the white boards, handwriting data are generated on both sides of interaction, and due to the delay of a network and disorder in the process of sending the handwriting data, the problem of inconsistent fields of both sides of interaction is likely to occur. However, the whiteboard system has an automatic packet supplementing mechanism, and if the problem of inconsistency caused by network delay and disorder occurs, the problem can be solved after the data is finally supplemented.
Assuming a scene, at this time, the teacher end has 5 data, the student end has 4 data, at this time, the 5 th data of the student end is not fed back, at this time, the teacher end sends an undo execution, and at first, the teacher end executes the undo operation locally, and the 5 th data of the teacher end is cleared. After receiving the undo instruction, the student end clears the 4 th pen because the student end only has 4 instructions at the moment because the last pen needs to be cleared. After such an undo instruction, the teacher end and the student end are not consistent in the field.
Therefore, in long-term research and development, the inventor has conducted a great deal of research on how to control the method for consistent handwriting data at two ends of the whiteboard, and has proposed a control method for consistent handwriting data to solve one of the above technical problems.
Disclosure of Invention
The invention aims to provide a control method, a device, a medium and electronic equipment for consistent handwriting data, which can solve at least one technical problem. The specific scheme is as follows:
according to a first aspect of the present invention, there is provided a method for controlling consistency of handwriting data, comprising:
receiving a request for acquiring handwriting data of a second terminal, which is sent by a first terminal;
Acquiring handwriting data of a second terminal carrying a target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal, wherein the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information;
transmitting the handwriting data of the second terminal to the first terminal so that the first terminal can execute corresponding operations according to target instructions in the handwriting data of the second terminal;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
Optionally, after the handwriting data of the second terminal carrying the target instruction of the second terminal is acquired according to the request for acquiring the handwriting data of the second terminal, the method further includes:
reading the type of the target instruction carried by the target instruction of the second terminal;
wherein, the types of the target instruction at least comprise:
the target instruction type is a line drawing operation, the target instruction type is a circle drawing operation, the target instruction type is a target withdrawal operation, and the target instruction type is a target repetition operation.
Optionally, after the reading the type of the target instruction carried by the target instruction of the second terminal, the method further includes:
Judging whether a target instruction of a target operation exists or not, if the type of the target instruction is the target cancel operation and the target instruction corresponding to the target cancel does not exist, obtaining lost handwriting data through a preset supplementary strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction corresponding to the target cancel to the first terminal so that the first terminal can execute the target cancel operation according to the target instruction;
the target instruction corresponding to the target withdrawal carries corresponding operator information and corresponding unique identification information.
Optionally, after the reading the type of the target instruction carried by the target instruction of the second terminal, the method further includes:
judging whether a target instruction of target operation exists or not, if the type of the target instruction is the operation of target repetition and the target instruction corresponding to the target repetition does not exist, obtaining lost handwriting data through a preset packet supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction corresponding to the target repetition to the first terminal so that the first terminal can execute the operation of target repetition according to the target instruction;
The target instruction corresponding to the target repetition carries corresponding operator information and corresponding unique identification information.
Optionally, after the reading the type of the target instruction carried by the target instruction of the second terminal, the method further includes:
judging whether a target instruction of a target operation exists or not, if the type of the target instruction is a line drawing and the target instruction of the line drawing does not exist, obtaining lost handwriting data through a preset package supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction of the line drawing to the first terminal so that the first terminal can execute the line drawing operation according to the target instruction;
the line drawing target instruction carries corresponding operator information and corresponding unique identification information.
Optionally, after the reading the type of the target instruction carried by the target instruction of the second terminal, the method further includes:
judging whether a target instruction of a target operation exists or not, if the type of the target instruction is a circle drawing and the target instruction of the circle drawing does not exist, obtaining lost handwriting data through a preset package supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction of the circle drawing to the first terminal so that the first terminal can execute the circle drawing operation according to the target instruction;
The target instruction for drawing the circle carries corresponding operator information and corresponding unique identification information.
According to a second aspect of the present invention, there is provided a method for controlling consistency of handwriting data, comprising:
the method comprises the steps that a first terminal sends a request for acquiring handwriting data of a second terminal to a server, so that the server can acquire the handwriting data of the second terminal carrying a target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal, wherein the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information;
receiving handwriting data of the second terminal;
executing corresponding operation according to the target instruction in the handwriting data of the second terminal;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
Optionally, executing the corresponding operation according to the target instruction in the handwriting data of the second terminal includes:
if the target instruction type is line drawing, line drawing operation is executed according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is circle drawing, executing circle drawing operation according to the target instruction; or alternatively, the process may be performed,
If the target instruction type is the operation of target revocation, executing the operation of target revocation according to the target instruction; or alternatively, the process may be performed,
and if the target instruction type is the operation of target repetition, executing the operation of target repetition according to the target instruction. According to a third aspect of the present invention, there is provided a control apparatus for handwriting data consistency, comprising:
the first receiving unit is used for receiving a request for acquiring handwriting data of the second terminal, which is sent by the first terminal;
the acquisition unit is used for acquiring the handwriting data of the second terminal carrying the target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal received by the first receiving unit, wherein the target instruction of the second terminal carries the corresponding target instruction type, the corresponding operator information and the corresponding unique identification information;
a first sending unit, configured to send the handwriting data of the second terminal acquired by the acquiring unit to the first terminal, so that the first terminal performs a corresponding operation according to a target instruction in the handwriting data of the second terminal;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
According to a fourth aspect of the present invention, there is provided a control apparatus for handwriting data consistency, comprising:
the second sending unit is used for sending a request for acquiring handwriting data of the second terminal to the server by the first terminal so that the server can acquire the handwriting data of the second terminal carrying a target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal, wherein the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information;
the second receiving unit is used for receiving handwriting data of the second terminal;
the execution unit is used for executing corresponding operation according to the target instruction in the handwriting data of the second terminal received by the second receiving unit;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
According to a fifth aspect of the present invention there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor implements a method of controlling the coincidence of handwriting data as described in any of the above.
According to a sixth aspect of the specific embodiment of the present invention, there is provided an electronic device, including: one or more processors; a storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement a method of controlling the coincidence of handwriting data as described in any preceding claim.
Compared with the prior art, the scheme provided by the embodiment of the invention has at least the following beneficial effects: the invention provides a control method, a device, a medium and electronic equipment for consistent handwriting data, which can determine whether the target instruction of target operation exists or not through the fact that the target instruction of the second terminal carries corresponding operator information and corresponding unique identification information, and determine that part of the handwriting data is lost and the lost data is fed back when the target instruction of the target operation does not exist, so that the handwriting data of the interactive first terminal and the handwriting data of the second terminal are consistent finally.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:
FIG. 1 illustrates an application scenario diagram of a method of processing error information according to an embodiment of the present disclosure;
FIG. 2 shows a flow chart of a method of controlling handwriting data consistency in accordance with an embodiment of the invention;
FIG. 3 illustrates another flow chart of a method of controlling handwriting data consistency in accordance with an embodiment of the invention;
FIG. 4 is a schematic diagram showing a structure of a handwriting data consistency control apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing another structure of a handwriting data-consistent control apparatus according to an embodiment of the invention;
fig. 6 shows a schematic diagram of an electronic device connection structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, the "plurality" generally includes at least two.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
It should be understood that although the terms first, second, third, etc. may be used to describe … … in embodiments of the present invention, these … … should not be limited to these terms. These terms are only used to distinguish … …. For example, the first … … may also be referred to as the second … …, and similarly the second … … may also be referred to as the first … …, without departing from the scope of embodiments of the present invention.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or device comprising such element.
Alternative embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, an application scenario diagram of an embodiment of the present disclosure is shown, where the application scenario is that a plurality of users (first terminals, student terminals) operate a first client installed on a terminal device such as a mobile phone through a terminal device, and the first client performs data communication with a second terminal (teacher terminal, for example, a PC computer of a teacher) through a background server.
As shown in fig. 2, according to a specific embodiment of the present disclosure, in a first aspect, the present disclosure provides a control method for handwriting data consistency, which is applied to a server, and specifically includes the following method steps:
S202: and receiving a request for acquiring handwriting data of the second terminal, which is sent by the first terminal.
In this step, a request for obtaining different handwriting data of the second terminal sent by the first terminal may be received, for example, a request for obtaining line drawing handwriting data of the second terminal sent by the first terminal is received, for example, a request for obtaining circle drawing handwriting data of the second terminal sent by the first terminal is received, for example, a request for obtaining withdrawal target data of the second terminal sent by the first terminal is received, further, a request for obtaining repetition target data of the first terminal sent by the first terminal is received, and the above only lists common requests, where the content of the request is not particularly limited. S204: and acquiring the handwriting data of the second terminal carrying the target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal, wherein the target instruction of the second terminal carries the corresponding target instruction type, the corresponding operator information and the corresponding unique identification information.
By carrying not only the corresponding target instruction type but also the corresponding operator information and the corresponding unique identification information in the target instruction of the second terminal, the target data to be operated can be accurately locked.
In practical application, according to the fact that the target instruction of the second terminal carries the corresponding target instruction type, the corresponding operator information and the corresponding unique identification information, target data to be operated can be accurately determined.
The control method for the consistency of the handwriting data provided by the embodiment of the invention starts from the handwriting transmission protocol.
First, each instruction carries an operator, which is the operator of the instruction, and a seqId, which is the unique identification of the instruction.
As above is the field on all instructions, action indicates the instruction type, such as drawing a line, drawing a circle, undo, redox, seq_id is the unique designation of the instruction, and operator is the operator of the instruction. When designing control instructions, such as the undo instruction, the protocol is as follows:
the identifier and the seq_id of the object to be predated by the undo are appended to the undo. Thus, after receiving the endo instruction, the receiving party of the endo instruction will not simply cancel the latest received instruction data in the endo instruction protocol. If the target instruction of target withdrawal does not exist currently, the lost package is complemented back through the package complement strategy of the whiteboard, and the final display effect of the two interaction parties is consistent.
S206: transmitting handwriting data of the second terminal to the first terminal so that the first terminal can execute corresponding operation according to a target instruction in the handwriting data of the second terminal;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
In this step, the first terminal executing the corresponding operation according to the target instruction in the handwriting data of the second terminal includes:
if the target instruction type is the line drawing, executing the line drawing operation according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is circle drawing, executing circle drawing operation according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is the operation of target revocation, executing the operation of target revocation according to the target instruction; or alternatively, the process may be performed,
and if the target instruction type is the operation of target repetition, executing the operation of target repetition according to the target instruction.
It should be noted that, compared with the existing interaction method of video teaching, the control method of the handwriting data consistency provided by the embodiment of the invention not only can save the flow of the mobile terminal, but also can reduce the cost of the memory of the server, so that the student terminal at the first terminal can intuitively feel the smoothness of the handwriting, and the video clamping phenomenon possibly occurring in video teaching interaction is avoided, thereby improving the user experience of the student terminal at the first terminal.
In a specific application scene, a plurality of first terminals (student terminals) can synchronously listen to courses of the same second terminal (PC end of a teacher terminal) at the same time, and no clamping phenomenon can occur.
Optionally, after obtaining the handwriting data of the second terminal carrying the target instruction of the second terminal according to the request for obtaining the handwriting data of the second terminal, the method further includes:
reading the type of a target instruction carried by the target instruction of the second terminal;
the types of the target instruction at least comprise:
the target instruction type is a line drawing, the target instruction type is a circle drawing, the target instruction type is an operation of target withdrawal, and the target instruction type is an operation of target repetition.
Optionally, after reading the type of the target instruction carried by the target instruction of the second terminal, the method further includes:
judging whether a target instruction of a target operation exists or not, if the type of the target instruction is the operation of target revocation and the target instruction corresponding to the target revocation does not exist, acquiring lost handwriting data through a preset supplementary strategy, acquiring complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction corresponding to the target revocation to a first terminal so that the first terminal can execute the operation of target revocation according to the target instruction;
The target instruction corresponding to the target withdrawal carries corresponding operator information and corresponding unique identification information.
Optionally, after reading the type of the target instruction carried by the target instruction of the second terminal, the method further includes:
judging whether a target instruction of target operation exists or not, if the type of the target instruction is the operation of target repetition and the target instruction corresponding to the target repetition does not exist, acquiring lost handwriting data through a preset supplementary strategy, acquiring the complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction corresponding to the target repetition to a first terminal so that the first terminal can execute the operation of target repetition according to the target instruction;
the target instruction corresponding to the target repetition carries corresponding operator information and corresponding unique identification information.
Optionally, after reading the type of the target instruction carried by the target instruction of the second terminal, the method further includes:
judging whether a target instruction of a target operation exists or not, if the type of the target instruction is a line drawing and the target instruction of the line drawing does not exist, obtaining lost handwriting data through a preset package supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction of the line drawing to a first terminal so that the first terminal can execute the line drawing operation according to the target instruction;
The line drawing target instruction carries corresponding operator information and corresponding unique identification information.
Optionally, after reading the type of the target instruction carried by the target instruction of the second terminal, the method further includes:
judging whether a target instruction of target operation exists or not, if the type of the target instruction is a circle drawing and the target instruction of the circle drawing does not exist, obtaining lost handwriting data through a preset package supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction of the circle drawing to a first terminal so that the first terminal can execute the circle drawing operation according to the target instruction;
the target instruction for drawing the circle carries corresponding operator information and corresponding unique identification information.
According to the control method for the consistency of the handwriting data, whether the target instruction of the target operation exists or not can be determined through the fact that the target instruction of the second terminal carries the corresponding operator information and the corresponding unique identification information, and when the target instruction of the target operation does not exist, the fact that part of the handwriting data is lost and the lost data is supplemented back is determined, so that the handwriting data of the first terminal and the second terminal which interact with each other are consistent finally.
Example 2
As shown in fig. 1, an application scenario diagram of an embodiment of the present disclosure is shown, where the application scenario is that a plurality of users (first terminals, student terminals) operate a first client installed on a terminal device such as a mobile phone through a terminal device, and the first client performs data communication with a second terminal (teacher terminal, for example, a PC computer of a teacher) through a background server.
As shown in fig. 3, according to a specific embodiment of the present disclosure, in a first aspect, the present disclosure provides a control method for handwriting data consistency, which is applied to a first terminal, and specifically includes the following method steps:
s302: the first terminal sends a request for acquiring handwriting data of the second terminal to the server, so that the server can acquire the handwriting data of the second terminal carrying a target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal, wherein the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information;
s304: receiving handwriting data of a second terminal;
s306: executing corresponding operation according to a target instruction in handwriting data of the second terminal;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
Optionally, executing the corresponding operation according to the target instruction in the handwriting data of the second terminal includes:
if the target instruction type is the line drawing, executing the line drawing operation according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is circle drawing, executing circle drawing operation according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is the operation of target revocation, executing the operation of target revocation according to the target instruction; or alternatively, the process may be performed,
and if the target instruction type is the operation of target repetition, executing the operation of target repetition according to the target instruction.
According to the control method for the consistency of the handwriting data, whether the target instruction of the target operation exists or not can be determined through the fact that the target instruction of the second terminal carries the corresponding operator information and the corresponding unique identification information, and when the target instruction of the target operation does not exist, the fact that part of the handwriting data is lost and the lost data is supplemented back is determined, so that the handwriting data of the first terminal and the second terminal which interact with each other are consistent finally.
Example 3
As shown in fig. 1, an application scenario diagram of an embodiment of the present invention is shown, where the application scenario is that a plurality of users (first terminals, student terminals) operate a first client installed on a terminal device such as a mobile phone through a terminal device, and the first client performs data communication with a second terminal (teacher terminal, for example, a PC computer of a teacher) through a background server. The embodiment accepts embodiment 1, is used to implement the method steps described in embodiment 1, and has the same technical effects as embodiment 1 based on the same explanations of the meaning of the names as embodiment 1, and will not be repeated here.
Referring to fig. 4, according to a third aspect of the present invention, a control device for handwriting data consistency is provided, which specifically includes a first receiving unit 402, an obtaining unit 404, and a first sending unit 406, and specifically includes:
a first receiving unit 402, configured to receive a request sent by a first terminal to obtain handwriting data of a second terminal;
an obtaining unit 404, configured to obtain, according to the request for obtaining handwriting data of the second terminal received by the first receiving unit 402, handwriting data of the second terminal that carries a target instruction of the second terminal, where the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information, and corresponding unique identification information;
a first sending unit 406, configured to send the handwriting data of the second terminal acquired by the acquiring unit 404 to the first terminal, so that the first terminal performs a corresponding operation according to a target instruction in the handwriting data of the second terminal;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
Optionally, the apparatus further includes:
a reading unit (not shown in fig. 4) for reading the type of the target instruction carried by the target instruction of the second terminal after the obtaining unit 404 obtains the handwriting data of the second terminal carrying the target instruction of the second terminal according to the request for obtaining the handwriting data of the second terminal;
The type of the target instruction read by the reading unit at least comprises:
the target instruction type is a line drawing, the target instruction type is a circle drawing, the target instruction type is an operation of target withdrawal, and the target instruction type is an operation of target repetition.
Optionally, the apparatus further includes:
a processing unit (not shown in fig. 4) configured to determine whether a target instruction of a target operation exists after the type of the target instruction carried by the target instruction of the second terminal is read by the reading unit, and if the type of the target instruction is a target cancel operation and the target instruction corresponding to the target cancel does not exist, obtain lost handwriting data through a preset packet supplementing policy, and obtain complete handwriting data of the second terminal according to the lost handwriting data; the target instruction corresponding to the target withdrawal carries corresponding operator information and corresponding unique identification information.
The first transmitting unit 406 is further configured to: the method comprises the steps of sending the complete handwriting data of a second terminal carrying a target instruction corresponding to target withdrawal to a first terminal, so that the first terminal can execute target withdrawal operation according to the target instruction; the target instruction corresponding to the target withdrawal carries corresponding operator information and corresponding unique identification information.
Optionally, the processing unit is further configured to:
after the reading unit reads the type of the target instruction carried by the target instruction of the second terminal, judging whether the target instruction of the target operation exists, if the type of the target instruction is the operation of target repetition and the target instruction corresponding to the target repetition does not exist, acquiring lost handwriting data through a preset packet supplementing strategy, and acquiring complete handwriting data of the second terminal according to the lost handwriting data; the target instruction corresponding to the target repetition carries corresponding operator information and corresponding unique identification information.
The first transmitting unit 406 is further configured to:
the method comprises the steps of sending handwriting data of a complete second terminal carrying a target instruction corresponding to target repetition to a first terminal, so that the first terminal can execute target repetition operation according to the target instruction; the target instruction corresponding to the target repetition carries corresponding operator information and corresponding unique identification information.
Optionally, the processing unit is further configured to:
after the reading unit reads the type of the target instruction carried by the target instruction of the second terminal, judging whether the target instruction of the target operation exists or not, if the type of the target instruction is a line drawing, and the line drawing target instruction does not exist, acquiring lost handwriting data through a preset package supplementing strategy, and acquiring complete handwriting data of the second terminal according to the lost handwriting data; the line drawing target instruction carries corresponding operator information and corresponding unique identification information.
The first transmitting unit 406 is further configured to:
the method comprises the steps of sending handwriting data of a complete second terminal carrying a target instruction for drawing lines to a first terminal, so that the first terminal can conveniently execute the operation of drawing the lines according to the target instruction; the line drawing target instruction carries corresponding operator information and corresponding unique identification information.
Optionally, the processing unit is further configured to:
after the reading unit reads the type of the target instruction carried by the target instruction of the second terminal, judging whether the target instruction of the target operation exists, if the type of the target instruction is a circle drawing type and the target instruction of the circle drawing does not exist, obtaining lost handwriting data through a preset package supplementing strategy, and obtaining complete handwriting data of the second terminal according to the lost handwriting data; the target instruction for drawing the circle carries corresponding operator information and corresponding unique identification information.
The first transmitting unit 406 is further configured to:
the method comprises the steps of sending handwriting data of a complete second terminal carrying a target instruction for drawing a circle to a first terminal, so that the first terminal can conveniently execute the operation of drawing the circle according to the target instruction; the target instruction for drawing the circle carries corresponding operator information and corresponding unique identification information.
According to the control device for the handwriting data consistency, whether the target instruction of the target operation exists or not can be determined through the fact that the target instruction of the second terminal carries the corresponding operator information and the corresponding unique identification information, and when the target instruction of the target operation does not exist, the fact that part of the handwriting data is lost and the lost data is supplemented back is determined, so that the handwriting data of the first terminal and the handwriting data of the second terminal of interaction are consistent finally.
Example 4
As shown in fig. 1, an application scenario diagram of an embodiment of the present invention is shown, where the application scenario is that a plurality of users (first terminals, student terminals) operate a first client installed on a terminal device such as a mobile phone through a terminal device, and the first client performs data communication with a second terminal (teacher terminal, for example, a PC computer of a teacher) through a background server. The embodiment accepts embodiment 2, is used to implement the method steps described in embodiment 2, and has the same technical effects as embodiment 2 based on the same explanations of the meaning of the names as embodiment 2, and will not be repeated here.
Referring to fig. 5, according to a fourth aspect of the present invention, a control device for handwriting data consistency is provided, which specifically includes a second sending unit 502, a second receiving unit 504, and an executing unit 506, and specifically includes:
The second sending unit 502 is configured to send, to the server, a request for obtaining handwriting data of the second terminal, so that the server obtains, according to the request for obtaining handwriting data of the second terminal, handwriting data of the second terminal that carries a target instruction of the second terminal, where the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information, and corresponding unique identification information;
a second receiving unit 504, configured to receive handwriting data of a second terminal;
an execution unit 506, configured to execute a corresponding operation according to the target instruction in the handwriting data of the second terminal received by the second receiving unit 504;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
Optionally, the execution unit 506 is specifically configured to:
if the target instruction type is the line drawing, executing the line drawing operation according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is circle drawing, executing circle drawing operation according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is the operation of target revocation, executing the operation of target revocation according to the target instruction; or alternatively, the process may be performed,
and if the target instruction type is the operation of target repetition, executing the operation of target repetition according to the target instruction.
According to the control device for the handwriting data consistency, whether the target instruction of the target operation exists or not can be determined through the fact that the target instruction of the second terminal carries the corresponding operator information and the corresponding unique identification information, and when the target instruction of the target operation does not exist, the fact that part of the handwriting data is lost and the lost data is supplemented back is determined, so that the handwriting data of the first terminal and the handwriting data of the second terminal of interaction are consistent finally.
Example 5
As shown in fig. 6, this embodiment provides an electronic device for controlling consistent handwriting data, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores instructions executable by the one processor, the instructions being executable by the at least one processor to enable the at least one processor to: the target instruction of the second terminal carries the corresponding operator information and the corresponding unique identification information, whether the target instruction of the target operation exists or not can be determined, when the target instruction of the target operation does not exist, the lost part of handwriting data is determined to be lost, and the lost data is fed back, so that the handwriting data of the interactive first terminal and the handwriting data of the interactive second terminal are finally consistent.
Example 6
Embodiments of the present disclosure provide a non-volatile computer storage medium storing computer-executable instructions that can perform the handwriting data consistency control method in any of the above-described method embodiments.
Example 7
Referring now to fig. 6, a schematic diagram of an electronic device suitable for use in implementing embodiments of the present disclosure is shown. The terminal devices in the embodiments of the present disclosure may include, but are not limited to, mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., in-vehicle navigation terminals), and the like, and stationary terminals such as digital TVs, desktop computers, and the like. The electronic device shown in fig. 6 is merely an example and should not be construed to limit the functionality and scope of use of the disclosed embodiments.
As shown in fig. 6, the electronic device may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 601, which may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 602 or a program loaded from a storage means 608 into a Random Access Memory (RAM) 603. In the RAM 603, various programs and data required for the operation of the electronic apparatus are also stored. The processing device 601, the ROM 602, and the RAM 603 are connected to each other through a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
In general, the following devices may be connected to the I/O interface 605: input devices 606 including, for example, a touch screen, touchpad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, and the like; an output device 607 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 608 including, for example, magnetic tape, hard disk, etc.; and a communication device 609. The communication means 609 may allow the electronic device to communicate with other devices wirelessly or by wire to exchange data. While fig. 6 shows an electronic device having various means, it is to be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead.
In particular, according to embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via communication means 609, or from storage means 608, or from ROM 602. The above-described functions defined in the methods of the embodiments of the present disclosure are performed when the computer program is executed by the processing device 601.
It should be noted that the computer readable medium described in the present disclosure may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this disclosure, a computer-readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present disclosure, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
The computer readable medium may be contained in the electronic device; or may exist alone without being incorporated into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: the target instruction of the second terminal carries the corresponding operator information and the corresponding unique identification information, whether the target instruction of the target operation exists or not can be determined, when the target instruction of the target operation does not exist, the lost part of handwriting data is determined to be lost, and the lost data is fed back, so that the handwriting data of the interactive first terminal and the handwriting data of the interactive second terminal are finally consistent.
Alternatively, the computer-readable medium carries one or more programs that, when executed by the electronic device, cause the electronic device to: the target instruction of the second terminal carries the corresponding operator information and the corresponding unique identification information, whether the target instruction of the target operation exists or not can be determined, when the target instruction of the target operation does not exist, the lost part of handwriting data is determined to be lost, and the lost data is fed back, so that the handwriting data of the interactive first terminal and the handwriting data of the interactive second terminal are finally consistent.
Computer program code for carrying out operations of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units involved in the embodiments of the present disclosure may be implemented by means of software, or may be implemented by means of hardware. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
Claims (12)
1. A control method for consistency of handwriting data is characterized by comprising the following steps:
receiving a request for acquiring handwriting data of a second terminal, which is sent by a first terminal;
acquiring handwriting data of a second terminal carrying a target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal, wherein the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information, and the target instruction also carries operator information and unique identification information of instruction data to be operated;
transmitting complete handwriting data of a second terminal to the first terminal under the condition that instruction data to be operated of a target instruction of target operation does not exist, so that the first terminal can execute corresponding operation according to the target instruction in the complete handwriting data of the second terminal, the complete handwriting data of the second terminal is obtained according to lost handwriting data, and the lost handwriting data is obtained through a preset package supplementing strategy;
The first terminal is a student terminal, and the second terminal is a teacher terminal.
2. The method of claim 1, wherein after the obtaining handwriting data of the second terminal carrying the target instruction of the second terminal according to the request for obtaining handwriting data of the second terminal, the method further comprises:
reading the type of the target instruction carried by the target instruction of the second terminal;
wherein, the types of the target instruction at least comprise:
the target instruction type is a line drawing operation, the target instruction type is a circle drawing operation, the target instruction type is a target withdrawal operation, and the target instruction type is a target repetition operation.
3. The method according to claim 2, characterized in that after said reading the type of target instruction carried by the target instruction of the second terminal, the method further comprises:
judging whether the instruction data to be operated of the target instruction of the target operation exist or not, if the type of the target instruction is the operation of target revocation and the instruction data to be operated of the target instruction corresponding to the target revocation does not exist, obtaining lost handwriting data through a preset packet supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction corresponding to the target revocation to the first terminal so that the first terminal can execute the operation of target revocation according to the target instruction;
The target instruction corresponding to the target withdrawal carries corresponding operator information and corresponding unique identification information.
4. The method according to claim 2, characterized in that after said reading the type of target instruction carried by the target instruction of the second terminal, the method further comprises:
judging whether the instruction data to be operated of the target instruction of the target operation exist or not, if the type of the target instruction is the operation of target repetition and the instruction data to be operated of the target instruction corresponding to the target repetition does not exist, obtaining lost handwriting data through a preset packet supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction corresponding to the target repetition to the first terminal so that the first terminal can execute the operation of target repetition according to the target instruction;
the target instruction corresponding to the target repetition carries corresponding operator information and corresponding unique identification information.
5. The method according to claim 2, characterized in that after said reading the type of target instruction carried by the target instruction of the second terminal, the method further comprises:
Judging whether instruction data to be operated of a target instruction of target operation exist or not, if the type of the target instruction is a line drawing and the instruction data to be operated of the target instruction of the line drawing does not exist, obtaining lost handwriting data through a preset package supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target instruction of the line drawing to the first terminal so that the first terminal can execute the line drawing operation according to the target instruction;
the line drawing target instruction carries corresponding operator information and corresponding unique identification information.
6. The method according to claim 2, characterized in that after said reading the type of target instruction carried by the target instruction of the second terminal, the method further comprises:
judging whether command data to be operated of a target command of target operation exist or not, if the type of the target command is circle drawing and the command data to be operated of the target command of circle drawing does not exist, obtaining lost handwriting data through a preset package supplementing strategy, obtaining complete handwriting data of a second terminal according to the lost handwriting data, and sending the complete handwriting data of the second terminal carrying the target command of circle drawing to the first terminal so that the first terminal can execute the circle drawing operation according to the target command;
The target instruction for drawing the circle carries corresponding operator information and corresponding unique identification information.
7. A control method for consistency of handwriting data is characterized by comprising the following steps:
the method comprises the steps that a first terminal sends a request for obtaining handwriting data of a second terminal to a server, so that the server can obtain the handwriting data of the second terminal carrying a target instruction of the second terminal according to the request for obtaining the handwriting data of the second terminal, the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information, the target instruction also carries operator information and unique identification information of instruction data to be operated, and in the case that the instruction data to be operated by the target instruction of target operation does not exist, lost handwriting data is obtained through a preset supplementary strategy, and complete handwriting data of the second terminal is obtained according to the lost handwriting data;
receiving the complete handwriting data of the second terminal;
executing corresponding operation according to the target instruction in the handwriting data of the complete second terminal;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
8. The method of claim 7, wherein performing the corresponding operation according to the target instruction in the handwriting data of the second terminal comprises:
if the target instruction type is line drawing, line drawing operation is executed according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is circle drawing, executing circle drawing operation according to the target instruction; or alternatively, the process may be performed,
if the target instruction type is the operation of target revocation, executing the operation of target revocation according to the target instruction; or alternatively, the process may be performed,
and if the target instruction type is the operation of target repetition, executing the operation of target repetition according to the target instruction.
9. A handwriting data consistency control apparatus, comprising:
the first receiving unit is used for receiving a request for acquiring handwriting data of the second terminal, which is sent by the first terminal;
the acquisition unit is used for acquiring the handwriting data of the second terminal carrying the target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal received by the first receiving unit, wherein the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information, and the target instruction also carries the operator information and the unique identification information of the instruction data to be operated;
The first sending unit is used for sending the complete handwriting data of the second terminal obtained by the obtaining unit to the first terminal under the condition that the instruction data to be operated of the target instruction of the target operation does not exist, so that the first terminal can execute corresponding operation according to the target instruction in the complete handwriting data of the second terminal, the complete handwriting data of the second terminal is obtained according to the lost handwriting data, and the lost handwriting data is obtained through a preset supplementary strategy;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
10. A handwriting data consistency control apparatus, comprising:
the second sending unit is used for sending a request for acquiring handwriting data of the second terminal to the server by the first terminal, so that the server can acquire the handwriting data of the second terminal carrying a target instruction of the second terminal according to the request for acquiring the handwriting data of the second terminal, the target instruction of the second terminal carries a corresponding target instruction type, corresponding operator information and corresponding unique identification information, the target instruction also carries operator information and unique identification information of the instruction data to be operated, and in the case that the instruction data to be operated by the target instruction of the target operation does not exist, lost handwriting data is obtained through a preset supplementary strategy, and the whole handwriting data of the second terminal is obtained according to the lost handwriting data;
The second receiving unit is used for receiving the complete handwriting data of the second terminal;
the execution unit is used for executing corresponding operation according to the target instruction in the handwriting data of the complete second terminal received by the second receiving unit;
the first terminal is a student terminal, and the second terminal is a teacher terminal.
11. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any one of claims 1 to 8.
12. An electronic device, comprising:
one or more processors;
storage means for storing one or more programs which when executed by the one or more processors cause the one or more processors to implement the method of any of claims 1 to 8.
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