CN101739255A - Component reverse calling platform and method for inter-component similar group communication - Google Patents

Component reverse calling platform and method for inter-component similar group communication Download PDF

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Publication number
CN101739255A
CN101739255A CN200910241377A CN200910241377A CN101739255A CN 101739255 A CN101739255 A CN 101739255A CN 200910241377 A CN200910241377 A CN 200910241377A CN 200910241377 A CN200910241377 A CN 200910241377A CN 101739255 A CN101739255 A CN 101739255A
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platform
function
rda
com
communication
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马亚平
李元
王永刚
马丰文
叶东
陈小青
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Abstract

The invention discloses a component reverse calling platform and a method for inter-component similar group communication. The component can reversely call the functions of the platform or component in the platform through a regional development agency RDA by the steps that: a component calls a COM object in the platform by a COM interface intelligent pointer provided by the platform; and the COM object calls the functions of the platform or component in the platform by functional mapping. The method for the inter-component similar group communication comprises the following steps that: the component sending the data sends the data to a communication agency; an event connecting point in the RDA responds to a calling-back service of the communication agency; and a monitor in the component monitors the event connecting point and acquires the data in the calling-back service. The system based on the method comprises a COM calling module, a COM object module, a function agency module, a communication agency module, a communication agency calling-back service module and an event monitoring module. The component reverse calling platform of the invention can improve development efficiency and lower operating cost of the system; and the similar group communication can lower the network traffic of the 'platform and component' system during the inter-component communication.

Description

The method of similar group communication between a kind of member reverse calling platform and member
Technical field
The present invention relates to based on " platform+member " software architecture technical field, particularly a kind of member can reverse calling platform, and carries out " class multicast " method for communicating between member.
Background technology
The software architecture of " platform+member " is based on the exploitation of " platform " and based on the two combination of the exploitation CBD of " member ".In this system architecture, " platform " carries out the general basic function of system integrated usually, and unified integrated framework is provided; And " member " provides certain aspect specific or professional function.The unified integrated framework that " member " provides by " platform " is integrated on " platform ", constitutes the application system of an integral body with " platform ".This traditional " platform+member " system architecture can illustrate with Fig. 1.
In this traditional system architecture, generally there are dual mode in function and data interaction between member and the platform:
A kind ofly be, the power function of field platform invoke member is finished some specific task or calculating, and member generally be can not reverse calling platform calculation services, promptly the computing function of platform is difficult to be exposed to member and uses, as shown in Figure 2.Under this situation, platform is an executable program and does not have secondary development function and interface, and member is to be integrated into the dynamic link library that moves on the platform.
Another kind is, platform has secondary development function, promptly except above-mentioned platform invoke member function, platform also provides a series of kits (being generally dynamic link library (DLL)), and the basic function that third party's (promptly developing the user) can the usage platform kit provides comes the Application and Development system.At this moment, though calling platform kit function can be that member also can be certain usability of program fragments, the application system of user's exploitation finally is one and platform independent executable program EXE, rather than is integrated into the dynamic link library of carrying out on the platform.This pattern of " platform+member " is present the most popular software development mode, calculates the MATLAB in field as science.The system architecture of this " platform+member " architecture mode with secondary development ability as shown in Figure 3.
Above-mentioned two kinds of system architectures are the general forms of expression of " platform+member " architecture mode system, promptly traditional based on platform exploitation and based on the development mode of member.In first kind of pattern, the member of exploitation and platform integrate and constitute a complete application system; And in second kind of pattern, be independent of the platform operation based on the application system of platform development.
In first kind of pattern, platform does not have the secondary development ability in fact, function that therefore can only the platform invoke member.The advantage that this pattern is brought is that system has unified integrated framework, operation interface and use style, and is integrated also simple relatively.But its shortcoming is because platform does not provide sec power, so the basic function of member on can not calling platform, need be similar to the basis of platform and the member of general utility functions for those, and this is very big defective.What this defective was brought is not only the overlapping development of member to basic function and some algorithm, if there is dependence (execution that is member function needs platform that context environmental is provided) in member to the basic function of platform, the interaction of member and platform so at this moment will become very difficult.In this case, if, generally be to finish by database, file or message mechanism because dependence and member need call or start a certain function (or service) of platform.As, member is to the requirement of one of database write " platform invoke map ", and platform need visit database to obtain the requirement of " invocation map " by certain polling mechanism.But the prerequisite of this mechanism is must have certain " contract " in advance between member and the platform, i.e. the platform agreement how write down in the resolution data storehouse.File mode and message mechanism need this " contract " too.This " contract " though mode can solve certain problem, and the agreement of " contract " often is difficult to, and efficient very low (all lower as database access, file reading efficiency, polling mechanism is bigger to system resource overhead sometimes).Therefore, in general,, and bring the extensibility of system poor because platform does not provide the secondary development function interface.
In second kind of pattern, platform provides the secondary development function interface, overcome the deficiency of first kind of pattern to a certain extent, but the problem of bringing is owing to do not have unified integrated framework and a system's operating mode, and therefore there is wretched insufficiency in the system that develops at aspects such as the standardization at integration, interoperability manipulation, extensibility, use style and interface and maintainabilities.In addition, in case if the platform development bag depends on certain service of platform (is that some service is provided by platform in fact in the kit dynamic base, rather than finish at kit, those platforms that comprise the bigger and complementary basic function of many calculated amount tend to the form of these basic functions with service provided, rather than put it in the kit, kit is will " thin " many like this, and expense is excessive otherwise kit is excessive will cause exploitation difficulty or operation the time.As system dynamics computing platform Adams a kind of development mode that comes to this), so also must operation platform in the operation application system, (because of under many situations, the service of platform is unwanted so just may unnecessary system overhead.Though can start and close platform by artificial mode,, therefore preferably platform is in running status) always because we are difficult to determine that system needs the opportunity of platform service.
In addition, also having a kind of situation is that above-mentioned two kinds of patterns are all helpless, and promptly a plurality of members of a system need receive the message or the data of external system (or the system on other network node or member) simultaneously.Communication that Here it is so-called " class multicast "." class multicast " communication, promptly one group of member in application program receives the same packet from application program on another network node (or its member) simultaneously, and the cast communication between network node in general sense has diverse mechanism and technical foundation.If but the former application program is likened to the latter's network, and the former member likens the latter to and is distributed in application program on the node, and the former with the latter has similar cast communication effect so, so we are referred to as " class multicast " communication." class multicast " communication same demand of communicating by letter with network multicast promptly reduces network traffics raising network service efficient.If a member is used as an application system, member is the same with application system, and the situation that promptly a plurality of members receive same packet is a large amount of the existence.
Summary of the invention
(1) goal of the invention
The objective of the invention is defective and deficiency at secondary development method existence traditional under " platform+member " architecture mode, propose " class multicast " method for communicating between a kind of member reverse calling platform and member, and propose a kind of brand-new software secondary development pattern based on " platform " based on this method.
(2) summary of the invention
The method of similar group communication between a kind of member reverse calling platform and member, wherein, member is acted on behalf of the function of member in RDA reverse calling platform function or the platform by the secondary development in the platform, described secondary development is acted on behalf of RDA and is comprised com object, com object interface and intelligent pointer thereof, function agency and communication agent, and this method may further comprise the steps:
S1: the com interface intelligent pointer that member provides by RDA calls the com object of RDA;
The funcall request of S2:COM object response com interface intelligent pointer;
The S3:COM object by member in the function proxy call platform feature, platform function or another platform in the function of member, described function agency comprises the functional interface of member in platform feature interface or the platform.
Wherein, comprise step before the described step S1:
Member obtains the com interface intelligent pointer of described platform.
Wherein, among the described step S3, during the function of com object by member in member function in the function proxy call platform or another platform, member by secondary development act on behalf of RDA in platform or another platform in a plurality of members sending function call request or interaction data simultaneously, specifically may further comprise the steps:
S301: when the member request function calls or sends data, member with funcall request or interaction data send in the platform or network on communication agent place in another platform;
S302: the readjustment service of the incident tie point responding communication agency in the RDA of the member place platform that request msg or response function call, described readjustment service comprises described function request or interaction data;
S303: audiomonitor and incident tie point in the member that request msg or response function call connect, and monitoring incident tie point also obtains described data or response function calls.
Wherein, comprise step before the described step S3:
Described function is acted on behalf of the interface of package platforms functional interface and member function, the mapping in RDA of implementation platform function and member function.
A kind of based on above-mentioned system based on the method for similar group communication between member reverse calling platform and member, comprising:
The COM calling module, the com interface intelligent pointer that member provides by RDA calls the com object of RDA;
The com object module is used to respond the funcall request of com interface intelligent pointer;
The function mapping block, be used for com object by function proxy call platform feature, platform member function or another platform in the function of member.
Wherein, this system also comprises:
The intelligent pointer acquisition module is used for the com interface intelligent pointer that member obtains described platform.
Wherein, in the function mapping block during function of com object by member in member function in the function proxy call platform or another platform, member by secondary development act on behalf of RDA in platform or in another platform a plurality of members simultaneously request functions call or interaction data, specifically comprise:
The communication agent module is used for when the member request function calls or sends data, member with funcall request or interaction data send in the platform or network on communication agent place in another platform;
Communication agent readjustment service module is used for the readjustment service of the incident tie point responding communication agency in the RDA of the member place platform that request msg or response function call, and described readjustment service comprises described function request or interaction data;
The action listener module, the audiomonitor and the incident tie point that are used in the member that request msg or response function call connect, and monitoring incident tie point also obtains described data or response function calls.
Wherein, this system also comprises:
The function proxy module is used for the interface of package platforms functional interface and member function, the mapping in RDA of implementation platform function and member function.
(3) beneficial effect
The method of similar group communication has following beneficial effect between member reverse calling platform of the present invention and member:
(1) by the reverse calling mechanism of member (dynamic link library), is easy to that the basic function in the platform is exposed to member and calls, a kind of brand-new software secondary development pattern based on " platform " is provided platform (executable program) function; Member need not the platform base function is carried out overlapping development, thereby realizes that software is farthest multiplexing, improves development efficiency; Mutual between member and the platform is owing to adopt in-process communication of com object intelligent pointer mechanism, and be therefore higher more flexible than traditional data exchange mechanism efficient of passing through database or file; Owing to adopted the funcall mechanism of facing interface, meet the software development custom more between member and the platform, improve system integration dirigibility and reduce development difficulty than traditional mechanism towards " contract ".
(2) by " class multicast " communication mechanism between member, a plurality of members can receive the message or the data of external system (or the system on other network node or member) simultaneously, for the software based on " platform+member " architecture mode provides a kind of brand-new component interactive pattern, solved " class multicast " mutual actual demand between the application system member of many " platform+members ", and can reduce transmission volume when between member, communicating by letter based on " platform+member " system, and do not need network multicast communicate by letter so-called multicast strategy and algorithm, therefore should use very convenient and flexible by " class multicast " communication mechanism.
(3) unified communication mechanism and the interactive interface that provides by platform realized interoperability mechanism unified between platform or the member, guaranteed based on the interoperability between the software systems of platform development; The unified integrated framework that provides by platform, not only improve the integration of system, improve the integrated efficient of exploitation, also can realize the integrated operation of member and platform, belong to different executable programs and a plurality of processes of independent operating and need not member with platform, thereby the raising running efficiency of system, the operating cost of reduction system; Because being integrated into, member constitutes a complete application system on the platform, platform provides unified integrated framework and operation interface and mode of operation, once compare traditional secondary development pattern based on dynamic link library (DLL), standard, easier installation and maintenance, extendability are stronger more to make the application system operation interface of exploitation and style.
Description of drawings
Fig. 1 is the application system structure of " platform+member " architecture mode on the traditional sense;
Fig. 2 is that platform does not possess secondary development ability " platform+member " system basic structure;
Fig. 3 is " platform+member " system basic structure that traditional platform has the secondary development ability;
Member and the two-way schematic diagram that calls of platform in Fig. 4 is based on " platform+member " the of the present invention architecture system;
Fig. 5 is the schematic diagram according to member function in member reverse calling platform and the platform in the method for the member reverse calling platform based on " platform+member " architecture system of the present invention;
Fig. 6 is according to member function sequential chart in member reverse calling platform and the platform in the method for the member reverse calling platform based on " platform+member " architecture system of the present invention;
Fig. 7 is " class multicast " communication scheme according to the method for the member reverse calling platform based on " platform+member " architecture system of the present invention, wherein, dotted arrow is represented member reverse calling platform function, solid arrow represents on the network that " class multicast " communicates by letter between system 1 and system 2 members, and system 1 and system 2 all are based on the software systems of " platform+member " framework
Fig. 8 is the example that communication agent adopts the RTI communication agent among Fig. 7, wherein, dotted arrow is represented member reverse calling platform function, solid arrow represents on the network that " class multicast " communicates by letter between analogue system 1 and analogue system 2 members, and analogue system 1 and analogue system 2 all are based on the software systems of " platform+member " framework;
Fig. 9 is the same data instance figure that receives external system according to a plurality of members in " class multicast " communication of the method for the member reverse calling platform based on " platform+member " architecture system of the present invention simultaneously.
Embodiment
The method of similar group communication is described as follows in conjunction with the accompanying drawings and embodiments between member reverse calling platform that the present invention proposes and member.
As shown in Figure 4, all basic functions that need expose and rudimentary algorithm all can be acted on behalf of by a module that is called " RDA (Re-Development Agent) is acted on behalf of in secondary development " in the platform of field, member comes the basic function of calling platform and algorithm by RDA, and (the platform base function may be realized by some basic component, also may be the code block that is arranged in platform), the secondary development of implementation platform function.Like this, realized that in fact function and the two-way of algorithm are called between member and the platform, i.e. the specific function that platform not only can component invoking, the basic function that member also can calling platform.Platform not only provides secondary development to act on behalf of RDA, and unified integrated framework also is provided, and member is integrated on the platform by integrated framework and constitutes an organic whole application system with platform.
As shown in Figure 5, the RDA in the platform (Re-Development Agent) comprises function agency, a com object, and com object provides the com interface intelligent pointer of a unified com interface and this interface correspondence.Member obtains the com object in the com interface intelligent pointer calling platform, and the funcall request of com object response com interface intelligent pointer is also carried out function by the function agency who calls RDA and shone upon and finish the reverse calling of member to the function of member in platform feature or the platform.The function agency of RDA is the service interface that member function is exposed to component invoking in interior basic function of platform and the platform, and member function is corresponding one by one in the basic function of this function agency and platform and the platform.Member obtains the com interface intelligent pointer can pass through dual mode, and the one, member is derived a function, and platform is delivered to intelligent pointer in the member by this derivative function; The 2nd, member passes through a message function (Platform Implementation message function, promptly platform offers the identical derivative function of interface shape of all members) and obtain intelligent pointer from platform.
Shown in Figure 6, be the sequential chart of member reverse calling platform function.Process 1,2,3,4 has reflected the order of member to a funcall of platform, 5,6,7 the reflection be the process of communicating by letter between member.The platform feature entity refers to the actual code of implementation platform basic function, and this code may be arranged in platform (promptly belonging to platform feature), also might be arranged in another one member (being member calls the another one member by RDA function).And the member of calling function and functional entity can be positioned at same platform, also can be positioned at different platforms, and platform can be distributed on the different network nodes.
The present invention adopts " class multicast " communication mechanism with solving in " platform+member " architecture system mutual between member.In the member reverse calling platform, during member function, there be the mutual of a plurality of members, when especially member is acted on behalf of RDA a plurality of members are sent data simultaneously in platform or in another platform by secondary development, just need carry out " class multicast " and communicate by letter.Communication agent and com object incident tie point mechanism are set in RDA among the present invention realize that " class multicast " communicate by letter.As shown in Figure 7, in acting on behalf of RDA, secondary development sets up a com object incident tie point C and a communication agent, C and communication agent are associated, the member that sends data sends to the communication agent place by network service with data, incident tie point C responding communication agency's readjustment service comprises the data that will pass in the readjustment service.In each member, set up the audiomonitor of an incident tie point C, and connect, monitor the incident of C, thereby obtain data by tie point C responding communication agency's readjustment service with C.
Embodiment 1
In the present embodiment, analogue system 1 and analogue system 2 all are based on the software systems of " platform+member " of the present invention framework.In distributed interactive simulation based on High Level Architecture HLA (High LevelArchitecture), the a plurality of model components that are positioned at certain member need be ordered same interaction data, and according to the requirement of HLA operation back-up system RTI (RuntimeInfrastructure), a member can only act on behalf of (RTIamb) by a resident RTI, this just means that certain model component among the member is when request function calls or send interaction data, the interaction data of its funcall or transmission can only arrive another member's RTIamb place, be transferred to each model component of ordering these data again with certain mechanism by RTIamb then, just can realize this mechanism by the method for in RDA, setting up com object incident tie point of the present invention, as shown in Figure 8, the a plurality of model components of model component (member 0) on another member on the network (analogue system 1) on certain member in the simulated environment (analogue system 2) are (as member 1, member 2 and member 3) simultaneously request function call or when sending interaction data, the member 0 of analogue system 2 sends to funcall request or interaction data at the RTIamb place of analogue system 1, the readjustment service of incident tie point C response RTIamb in the RDA of analogue system 1, described readjustment service comprises described function request or interaction data, the model component 1 of analogue system 1, audiomonitor and incident tie point C in model component 2 and the model component 3 connect, monitoring incident tie point C, incident tie point C is in the service of response RTIamb readjustment, function request or interaction data are transmitted to member 1 simultaneously, the audiomonitor of member 2 and member 3, member 1 like this, member 2 and member 3 have just got access to needed interaction data simultaneously or have carried out the function corresponding response.
In said process, because com object incident tie point can be monitored the linking number with audiomonitor automatically, therefore transmit leg (analogue system 2) member only need send a packet to certain node that needs data (analogue system 1), and all members of having set up audiomonitor in the analogue system 1 just can receive this same packet simultaneously.As seen, destination node (member) quantity of this " class multicast " is by data receiver's's (member) the dynamic auto decision of audiomonitor quantity, there are not network multicast communicate by letter so-called multicast strategy and algorithm problem, therefore should used very convenient and flexible by " class multicast " communication mechanism.For example: be positioned at surface ship entity on the same simulation node and submarine entity " orders " enemy's situation monitor message of observation and communication post on the bank simultaneously, to assess the possible enemy's threat of this entity.As shown in Figure 9, be the mutual synoptic diagram of naval vessels with the submarine observation and communication post information that " order " is identical simultaneously.Here, the realistic model of surface ship and submarine entity is realized by two members (as naval vessel model member and submarine model member) respectively.In order to reduce the data transmission times on the communication link, it is one " packet " that the observation and communication post model component beats for the monitor message of naval vessels and submarine with " announcement ", send to the RTIamb place of naval vessels member and submarine member platform of living in (sea warfare analogue system) by the communication agent RTIamb of information war analogue system, naval vessels are communicated by letter by " the class multicast " of above-mentioned com object incident tie point mechanism with the submarine member and are obtained this packets of information and extract the information that belongs to this member needs.
System based on the method for similar group communication between member reverse calling platform of the present invention and member comprises: the COM calling module, and the com interface intelligent pointer that member provides by RDA calls the com object of RDA; The com object module is used to respond the funcall request of com interface intelligent pointer; The function mapping block, be used for com object by function proxy call platform feature, platform member function or another platform in the function of member.Wherein, this system also comprises: the intelligent pointer acquisition module is used for the com interface intelligent pointer that member obtains described platform.Wherein, in the function mapping block during function of com object by member in member function in the function proxy call platform or another platform, member by secondary development act on behalf of RDA in platform or in another platform a plurality of members simultaneously request functions call or interaction data, specifically comprise: the communication agent module, be used for when the member request function calls or sends data, member with funcall request or interaction data send in the platform or network on communication agent place in another platform; Communication agent readjustment service module is used for the readjustment service of the incident tie point responding communication agency in the member RDA that request msg or response function call, and described readjustment service comprises described function request or interaction data; The action listener module, the audiomonitor and the incident tie point that are used in the member that request msg or response function call connect, and monitoring incident tie point also obtains described data or response function calls.Wherein, this system also comprises: the function proxy module is used for the interface of package platforms functional interface and member function, the mapping in RDA of implementation platform function and member function.
Above embodiment only is used to illustrate the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.

Claims (8)

1. the method for similar group communication between member reverse calling platform and member, it is characterized in that, member is acted on behalf of the function of member in RDA reverse calling platform function or the platform by the secondary development in the platform, described secondary development is acted on behalf of RDA and is comprised com object, com object interface and intelligent pointer thereof, function agency and communication agent, and this method may further comprise the steps:
S1: the com interface intelligent pointer that member provides by RDA calls the com object of RDA;
The funcall request of S2:COM object response com interface intelligent pointer;
The S3:COM object by member in the function proxy call platform feature, platform function or another platform in the function of member, described function agency comprises the functional interface of member in platform feature interface or the platform.
2. the method for similar group communication is characterized in that between member reverse calling platform as claimed in claim 1 and member, comprises step before the described step S1:
Member obtains the com interface intelligent pointer of described platform.
3. the method for similar group communication between member reverse calling platform as claimed in claim 1 and member, it is characterized in that, among the described step S3, during the function of com object by member in member function in the function proxy call platform or another platform, member by secondary development act on behalf of RDA in platform or another platform in a plurality of members sending function call request or interaction data simultaneously, specifically may further comprise the steps:
S301: when the member request function calls or sends data, member with funcall request or interaction data send in the platform or network on communication agent place in another platform;
S302: the readjustment service of the incident tie point responding communication agency in the RDA of the member place platform that request msg or response function call, described readjustment service comprises described function request or interaction data;
S303: audiomonitor and incident tie point in the member that request msg or response function call connect, and monitoring incident tie point also obtains described data or response function calls.
4. as the method for similar group communication between arbitrary described member reverse calling platform of claim 1-3 and member, it is characterized in that, comprise step before the described step S3:
Described function is acted on behalf of the interface of package platforms functional interface and member function, the mapping in RDA of implementation platform function and member function.
5. one kind based on the described system based on the method for similar group communication between member reverse calling platform and member of claim 1, it is characterized in that, comprising:
The COM calling module, the com interface intelligent pointer that member provides by RDA calls the com object of RDA;
The com object module is used to respond the funcall request of com interface intelligent pointer;
The function mapping block, be used for com object by function proxy call platform feature, platform member function or another platform in the function of member.
6. the system based on the method for similar group communication between member reverse calling platform and member as claimed in claim 5 is characterized in that, also comprises:
The intelligent pointer acquisition module is used for the com interface intelligent pointer that member obtains described platform.
7. the system based on the method for similar group communication between member reverse calling platform and member as claimed in claim 5, it is characterized in that, in the function mapping block during function of com object by member in member function in the function proxy call platform or another platform, member by secondary development act on behalf of RDA in platform or in another platform a plurality of members simultaneously request functions call or interaction data, specifically comprise:
The communication agent module is used for when the member request function calls or sends data, member with funcall request or interaction data send in the platform or network on communication agent place in another platform;
Communication agent readjustment service module is used for the readjustment service of the incident tie point responding communication agency in the RDA of the member place platform that request msg or response function call, and described readjustment service comprises described function request or interaction data;
The action listener module, the audiomonitor and the incident tie point that are used in the member that request msg or response function call connect, and monitoring incident tie point also obtains described data or response function calls.
8. as the described system of claim 5-7, it is characterized in that, also comprise based on the method for similar group communication between member reverse calling platform and member:
The function proxy module is used for the interface of package platforms functional interface and member function, the mapping in RDA of implementation platform function and member function.
CN200910241377A 2009-11-30 2009-11-30 Component reverse calling platform and method for inter-component similar group communication Pending CN101739255A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101895441A (en) * 2010-07-21 2010-11-24 中兴通讯股份有限公司 Service debugging device and method for JAVA application of terminal of Internet of things
CN108628689A (en) * 2018-04-28 2018-10-09 武汉斗鱼网络科技有限公司 A kind of dialog box data transmission method, device, computer and storage medium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101895441A (en) * 2010-07-21 2010-11-24 中兴通讯股份有限公司 Service debugging device and method for JAVA application of terminal of Internet of things
CN108628689A (en) * 2018-04-28 2018-10-09 武汉斗鱼网络科技有限公司 A kind of dialog box data transmission method, device, computer and storage medium
CN108628689B (en) * 2018-04-28 2021-09-07 武汉斗鱼网络科技有限公司 Dialog box data transmission method and device, computer and storage medium

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Application publication date: 20100616