CN112422403A - Method for realizing network synchronous electronic whiteboard based on instant messaging rapid integration - Google Patents
Method for realizing network synchronous electronic whiteboard based on instant messaging rapid integration Download PDFInfo
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- CN112422403A CN112422403A CN202011103718.5A CN202011103718A CN112422403A CN 112422403 A CN112422403 A CN 112422403A CN 202011103718 A CN202011103718 A CN 202011103718A CN 112422403 A CN112422403 A CN 112422403A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
- H04L65/4015—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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Abstract
The invention provides a method for realizing a network synchronous electronic whiteboard based on instant messaging, which comprises the following steps: step 1: converting the content on the electronic whiteboard into a text by a serialization method at a sending end; step 2: the text obtained by the conversion of the serialization method is sent to a receiving end through an instant messaging tool through a universal messaging interface; and step 3: and displaying the content on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end so as to realize network synchronization between the electronic whiteboard of the receiving end and the electronic whiteboard of the sending end. According to the method, the content on the complex electronic whiteboard is converted into the text through a serialization method, different instant messaging tools can be quickly connected by means of a universal message receiving and sending interface, the minimum code intrusion can be realized in the data transmission process, and the network synchronous electronic whiteboard function can be quickly integrated.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method for realizing a network synchronous electronic whiteboard based on instant messaging.
Background
At present, the content of the serialized whiteboard is quickly integrated with the electronic whiteboard with synchronous network on the existing instant messaging scheme by designing a universal messaging interface. However, the electronic whiteboard for network synchronization needs to perform network message transmission, which consumes a lot of software development investment.
Disclosure of Invention
The invention provides a method for realizing a network synchronous electronic whiteboard based on instant messaging, which is used for quickly integrating the network synchronous electronic whiteboard function.
The invention provides a method for realizing a network synchronous electronic whiteboard based on instant messaging, which comprises the following steps:
step 1: converting the content on the electronic whiteboard into a text by a serialization method at a sending end;
step 2: the text obtained by the conversion of the serialization method is sent to a receiving end through an instant messaging tool through a universal messaging interface;
and step 3: and displaying the content on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end so as to realize network synchronization between the electronic whiteboard of the receiving end and the electronic whiteboard of the sending end.
Further, the step 1: converting the content on the electronic whiteboard into the text by a serialization method at a sending end comprises the following steps:
and the sending end converts the contents on the electronic whiteboard into texts through a serialization algorithm.
Further, the step 1: converting the content on the electronic whiteboard into a text by a serialization method at a sending end, and executing the following steps:
step S11: calling a serialized interface function and an deserialized interface function according to the operation steps on the electronic whiteboard at the sending end, and creating a serialized object corresponding to the operation steps on the electronic whiteboard at the sending end;
step S12: adding a serialized object instance of the serialized object;
step S13: and carrying out data serialization on the serialized object instance, and outputting a serialized text.
Further, the step S13: carrying out data serialization on the serialized object instance, outputting a serialized text, and executing the following steps:
step S131: carrying out data serialization on all the serialized object instances according to the numbering sequence;
step S132: storing the class names of all serialized object instances after serialization in the head of a binary data structure body;
step S133: and serializing the content values of all the serialized object instances and storing the serialized content values in the middle section of a binary data structure.
Further, the step 2: the text converted by the serialization method is sent to a receiving end through an instant messaging tool through a universal messaging interface to execute the following steps:
step S21: the instant communication tool of the sending end establishes an information connection channel with the instant communication tool of the receiving end through a universal message receiving and sending interface;
step S22: and the instant messaging tool of the sending end sends the text converted by the serialization method to the instant messaging tool of the receiving end through the information connection channel.
Further, in step S22, the sending-end instant messenger sending the text converted by the serialization method to the receiving-end instant messenger through the information connection channel includes:
the instant communication tool of the sending end completes network transmission with the instant communication tool of the receiving end through a real-time transport protocol (RTP) and a real-time transport control protocol (RTCP).
Further, the step 3: displaying the content on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end, so that the electronic whiteboard of the receiving end and the electronic whiteboard of the sending end realize network synchronization, and executing the following steps:
step S31: calling a serialization interface function and a deserialization interface function according to the text converted by the serialization method, and creating a deserialization object corresponding to the text converted by the serialization method;
step S32: reading the serialized text to the deserialized object;
step S33: adding an deserialization object instance of the deserialization object;
step S34: and deserializing the serialized text to the deserialized object instance to obtain the content on the electronic whiteboard corresponding to the sending end, and displaying the content on the receiving end.
Further, the applicable scene of the electronic whiteboard comprises a video conference scene or an online chat scene.
Further, the network device using the electronic whiteboard comprises at least one of a computer, a server, a PDA and a mobile phone.
The implementation method for quickly integrating the network synchronous electronic whiteboard based on the instant messaging, provided by the embodiment of the invention, has the following beneficial effects: the contents on the complex electronic whiteboard are converted into texts through a serialization method, different instant messaging tools can be quickly connected with the complex electronic whiteboard through a universal messaging interface, the minimum code intrusion can be realized in the data transmission process, and the network synchronous electronic whiteboard function can be quickly integrated.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic flow chart of a method for implementing a network-synchronized electronic whiteboard based on instant messaging.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a method for realizing a network synchronous electronic whiteboard based on instant messaging, which comprises the following steps of:
step 1: converting the content on the electronic whiteboard into a text by a serialization method at a sending end;
step 2: the text obtained by the conversion of the serialization method is sent to a receiving end through an instant messaging tool through a universal messaging interface;
and step 3: and displaying the content on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end so as to realize network synchronization between the electronic whiteboard of the receiving end and the electronic whiteboard of the sending end.
The working principle of the technical scheme is as follows: an Instant messaging service (IM) is a communication service based on the internet, and generally is mainly used for realizing an Instant messaging function on the internet, and the Instant messaging service is widely applied and recognized on the internet. The instant messaging service is realized through the instant messaging tool, so that the instant messaging service is high in speed, rich in functions, stable in use, small and exquisite and can be accepted and favored by vast netizens, and in the instant messaging service, a user can perform various operations such as text information interaction, file transmission, mobile phone short message sending and the like through the instant messaging tool.
Serialization is the process of converting a data structure scattered in memory into a continuous stream of bytes when data needs to be stored and transmitted. At present, the commonly used sequencing chemical engineering has protobuf, XML, json and the like, however, all the tools adopt an invasive serialization method, developers need to use a data structure specified by the serialization tool, and otherwise, serialization cannot be realized.
In the invention, firstly, the content on the electronic whiteboard is converted into a text by a serialization method at a sending end; then the text obtained by the conversion of the serialization method is sent to a receiving end through an instant messaging tool through a universal message transceiving interface; and finally, displaying the content on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end so as to realize network synchronization between the electronic whiteboard at the receiving end and the electronic whiteboard at the sending end.
The applicable scene of the electronic whiteboard comprises a video conference scene or an online chat scene. And, the network device using the electronic whiteboard includes at least one of a computer, a server, a PDA, and a mobile phone.
The beneficial effects of the above technical scheme are: the contents on the complex electronic whiteboard are converted into texts through a serialization method, different instant messaging tools can be quickly connected with the complex electronic whiteboard through a universal messaging interface, the minimum code intrusion can be realized in the data transmission process, and the network synchronous electronic whiteboard function can be quickly integrated.
In one embodiment, the step 1: converting the content on the electronic whiteboard into the text by a serialization method at a sending end comprises the following steps:
and the sending end converts the contents on the electronic whiteboard into texts through a serialization algorithm.
The working principle of the technical scheme is as follows: specifically, the step 1: converting the content on the electronic whiteboard into a text by a serialization method at a sending end, and executing the following steps:
step S11: calling a serialized interface function and an deserialized interface function according to the operation steps on the electronic whiteboard at the sending end, and creating a serialized object corresponding to the operation steps on the electronic whiteboard at the sending end;
step S12: adding a serialized object instance of the serialized object;
step S13: and carrying out data serialization on the serialized object instance, and outputting a serialized text.
The object serialization/deserialization technology is widely applied to the field of computers, is widely applied to scenes involving data exchange, such as system backup, network communication and the like, and mainly realizes the purpose of serializing objects into binary byte streams, so that the binary byte streams can be stored in storage equipment or can exchange data with other systems.
Serialization (serialization) is the process of converting the state of a data object into a format that can be maintained or transmitted, i.e., the process of converting structured data into a specified format according to a certain encoding specification. The serialization mechanism can write the state information of an instance object into a byte stream so that the instance object can be transmitted or stored in a database or a file system in a persistent mode. In contrast to serialization, deserialization (deserialization) is the process of reconverting a byte stream into data objects, i.e., parsing the data converted into a specified format into the original structured data. The two processes are combined to easily store and transmit data.
In step S11, by creating a serialized object corresponding to the operation step on the electronic whiteboard at the sending end, a sub-serialized class of the serialized and deserialized interface function can be obtained, thereby implementing the call of the interface of the serialized and deserialized interface function.
In step S12, when adding the serialized object instance, the serialized object instance of the serialized object may be added by using a pointer pointing to a specific instance, and the serialized object instance is implemented by using the pointer, so that the same object is serialized only once, and the variable that previously referred to the same object during deserialization can still be guaranteed to be the same object. In addition, when the serialization object instances are added, more than two serialization object instances of the added serialization objects can be included, so that the serialization operation can be performed on a plurality of serialization object instances, and the serialization efficiency is improved.
The beneficial effects of the above technical scheme are: the method comprises the specific steps of converting the content on the electronic whiteboard into the text through a serialization method at a sending end, creating a corresponding serialization object by calling a uniformly created sequence and an anti-serialization interface function when serialization operation is needed, and then instantiating the created object to complete serialization, so that the serialization process is changed from static state to dynamic state, a corresponding serialization code function is generated without rewriting or recompiling, the serialized code and a compiling program are not needed to be changed after one-time realization, the serialization processing process is simply and conveniently realized, the code amount is reduced, and the error probability is reduced.
In one embodiment, the step S13: carrying out data serialization on the serialized object instance, outputting a serialized text, and executing the following steps:
step S131: carrying out data serialization on all the serialized object instances according to the numbering sequence;
step S132: storing the class names of all serialized object instances after serialization in the head of a binary data structure body;
step S133: and serializing the content values of all the serialized object instances and storing the serialized content values in the middle section of a binary data structure.
The working principle of the technical scheme is as follows: firstly, carrying out data serialization on all serialized object instances according to the numbering sequence; and then, the class names and the content values of all serialized object instances after serialization are respectively stored in the head and the middle section of a binary data structure body, so that the serialization performance is improved, the reverse serialization speed is improved, and the performance loss is avoided.
The beneficial effects of the above technical scheme are: the specific steps of carrying out data serialization on the serialization object instance and outputting the serialization text are provided.
In one embodiment, the step 2: the text converted by the serialization method is sent to a receiving end through an instant messaging tool through a universal messaging interface to execute the following steps:
step S21: the instant communication tool of the sending end establishes an information connection channel with the instant communication tool of the receiving end through a universal message receiving and sending interface;
step S22: and the instant messaging tool of the sending end sends the text converted by the serialization method to the instant messaging tool of the receiving end through the information connection channel.
The working principle of the technical scheme is as follows: in step S22, the sending, by the instant messenger of the sending end, the text converted by the serialization method to the instant messenger of the receiving end through the information connection path includes:
the instant messaging tool of the sending end completes network transmission with the instant messaging tool of the receiving end through a Real-time Transport Protocol (RTP) and a Real-time Transport Control Protocol (RTCP).
The beneficial effects of the above technical scheme are: the method provides a specific step of transmitting the text converted by the serialization method to a receiving end through an instant messaging tool through a universal messaging interface.
In one embodiment, the step 3: displaying the content on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end, so that the electronic whiteboard of the receiving end and the electronic whiteboard of the sending end realize network synchronization, and executing the following steps:
step S31: calling a serialization interface function and a deserialization interface function according to the text converted by the serialization method, and creating a deserialization object corresponding to the text converted by the serialization method;
step S32: reading the serialized text to the deserialized object;
step S33: adding an deserialization object instance of the deserialization object;
step S34: and deserializing the serialized text to the deserialized object instance to obtain the content on the electronic whiteboard corresponding to the sending end, and displaying the content on the receiving end.
The working principle of the technical scheme is as follows: the sequence and deserialization interface functions in step S31 are the same as those involved in the data serialization method in step S11, and by creating deserialization objects corresponding to the text converted by the serialization method, subclass deserialization classes of the sequence and deserialization interface functions can be obtained, thereby realizing the call of the interfaces of the sequence and deserialization interface functions.
In step S32, the reading of the serialized file to the deserialized object may be performed in any possible way.
In step S33, when adding the deserialized object instance, the deserialized object instance of the deserialized object may be added by using a pointer pointing to a specific instance, and the deserialized object instance is implemented by using the pointer, so that the same object is deserialized only once. In addition, when the deserialization object instances are added, the deserialization object instances of the added deserialization object can be more than two, so that the deserialization operation can be carried out on a plurality of deserialization object instances, and the deserialization efficiency is improved.
In step S34, the obtaining content on the electronic whiteboard corresponding to the sending end, and displaying on the receiving end includes: and drawing the operation on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end.
The beneficial effects of the above technical scheme are: when the deserialization operation is needed, the corresponding deserialization object is created by calling the uniformly created sequence and deserialization interface function, and the created object is instantiated to complete the deserialization process, so that the deserialization process is changed from static state to dynamic state, the corresponding deserialization code function does not need to be rewritten or recompiled to generate, the deserialization code and the compiling program do not need to be changed after one-time implementation, the deserialization processing process is simply and conveniently realized, the code amount is reduced, and the error probability is reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A realization method for rapidly integrating a network synchronous electronic whiteboard based on instant messaging is characterized by comprising the following steps:
step 1: converting the content on the electronic whiteboard into a text by a serialization method at a sending end;
step 2: the text obtained by the conversion of the serialization method is sent to a receiving end through an instant messaging tool through a universal messaging interface;
and step 3: and displaying the content on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end so as to realize network synchronization between the electronic whiteboard of the receiving end and the electronic whiteboard of the sending end.
2. The method of claim 1, wherein the step 1: converting the content on the electronic whiteboard into the text by a serialization method at a sending end comprises the following steps:
and the sending end converts the contents on the electronic whiteboard into texts through a serialization algorithm.
3. The method of claim 2, wherein the step 1: the method for converting the content on the electronic whiteboard into the text through the serialization method at the sending end comprises the following steps:
step S11: calling a serialized interface function and an deserialized interface function according to the operation steps on the electronic whiteboard at the sending end, and creating a serialized object corresponding to the operation steps on the electronic whiteboard at the sending end;
step S12: adding a serialized object instance of the serialized object;
step S13: and carrying out data serialization on the serialized object instance, and outputting a serialized text.
4. The method of claim 3, wherein the step S13: carrying out data serialization on the serialized object instance, outputting a serialized text, and executing the following steps:
step S131: carrying out data serialization on all the serialized object instances according to the numbering sequence;
step S132: storing the class names of all serialized object instances after serialization in the head of a binary data structure body;
step S133: and serializing the content values of all the serialized object instances and storing the serialized content values in the middle section of a binary data structure.
5. The method of claim 1, wherein step 2: the text converted by the serialization method is sent to a receiving end through an instant messaging tool through a universal messaging interface to execute the following steps:
step S21: the instant communication tool of the sending end establishes an information connection channel with the instant communication tool of the receiving end through a universal message receiving and sending interface;
step S22: and the instant messaging tool of the sending end sends the text converted by the serialization method to the instant messaging tool of the receiving end through the information connection channel.
6. The method as claimed in claim 5, wherein in step S22, the step of sending the text converted by the serialization method to the instant messenger of the receiving end through the information connection channel by the instant messenger of the sending end includes:
the instant communication tool of the sending end completes network transmission with the instant communication tool of the receiving end through a real-time transport protocol (RTP) and a real-time transport control protocol (RTCP).
7. The method of claim 3, wherein step 3: displaying the content on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end, so that the electronic whiteboard of the receiving end and the electronic whiteboard of the sending end realize network synchronization, and executing the following steps:
step S31: calling a serialization interface function and a deserialization interface function according to the text converted by the serialization method, and creating a deserialization object corresponding to the text converted by the serialization method;
step S32: reading the serialized text to the deserialized object;
step S33: adding an deserialization object instance of the deserialization object;
step S34: and deserializing the serialized text to the deserialized object instance to obtain the content on the electronic whiteboard corresponding to the sending end, and displaying the content on the receiving end.
8. The method according to claim 7, wherein in step S34, the obtaining content on the electronic whiteboard corresponding to the sending end and displaying the content on the receiving end comprises:
and drawing the operation on the electronic whiteboard corresponding to the sending end on the electronic whiteboard corresponding to the receiving end.
9. The method of claim 1, wherein the applicable scenarios for the electronic whiteboard include a video conference scenario or an online chat scenario.
10. The method of claim 4, wherein the network device using the electronic whiteboard comprises at least one of a computer, a server, a PDA, and a cell phone.
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