| With developing of society, science and technology, there is new communication requirement for people.For most individual or enterprise, they want not only face-to-face, telephone exchanges but also off-site communication in a more free way with less communication cost.Instant Messaging is a product for this demand.Following this this requirement, Tencent developed an instant messaging program Real Time eXchange (RTX) for enterprise internal staff. However, there is only the RTX of Windows version currently, which cannot meet the request of mobile communication nowadays. Therefore, we research the fault of the program and discuss in detail about the significance and importance of the project. After we summarize new function and requirements for the current program, we get the design goal of the system.First of all, we will clarify that the goal of this research design is to solve the problem of interaction between the RTX client and the mobile client.Secondly, we analysis the requirement from the business view which is proposed to meet the request of business, and then we work out data demand and discuss the non-functional requirements of. the system. In the design process, we use the object-oriented method to find out the system of various business cases, concept class diagram according to the business requirement.Finally, based on the above work, we use UML modeling technology to design the system. We create the package diagram, class diagram, sequence diagram and some core processing flow chart, and design model for database. We also design the database table structure which meet database third normal form specification. In addition, we think about existing problems such as the security, energy saving, environmental protection, user interface optimization, etc. In short, this paper is very important for making good use of Tencent products and improving enterprise management, and it Fills the gaps in this application area of our country. |
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