The Design And Implementation Of Real Estate Online Signing System For Weifang City

With the continuous development of China’s economic construction, the living standards of masses in getting better and better, they put more attention on houses which are very important in the necessities of life. Recent years, house purchase is becoming a major aspect of life and more and more disputes occur with the increasing demands of house in our country peoples’life. In order to prevent such as a room selling to two sides, buying a mortgage house, buying a dummy right room, buying a no pre-sale card room and buying the non-real estate happening, Real Estate Online Signing System came into being. In this thesis, the Real Estate Online Signing System for Weifang City bases on B/S structure, and uses the popular network communication technology to the effective management of the real estate buying and selling homes throughout the Weifang City. The system will provide a strong protection for the healthy development of real estate market of Weifang City.This paper mainly describes The Design and Implementation of Real Estate Online Signing System for Weifang City. Firstly, it introduces the development background of the system and describes the facing problems of the modern real estate purchase contracts, and gives out a brief instruction of system development technology, and describes the meaning and effects of the development of system, and finally determines the importance of the development of the system in the Introduction of this essay. The paper shows a simple description of the work and structure of the paper according to the overall structure. Secondly, we carry out requirements elicitation about the Real Estate Online Signing System for Weifang City to get data types and data forms of the system and show them in tabular forms. Then we conduct detailed requirements analysis combined with the requirements we get about the system, and use the static diagrams of UML Unified Modeling Language such as user case diagram and activity diagram to conduct requirements analysis. The system is divided into several major aspects such as subject management, object management, market monitoring management, system settings management. And it describes non-functional requirements of the system after the description of detailed functional requirements analysis. Thirdly, it carries out the detailed functional design and completes the overall software architecture and database design by the requirements analysis of the system. In the phase of detailed design, it uses class diagram and timing diagram to describe functions of the system, and fully considers the relationship between various data tables of the database to draw a consistent BCNF database design. Finally, the paper describes the implementation of the Real Estate Online Signing System for Weifang City, completes the whole development of the system.For the entire system, it mainly manages the contract information of developers and housing purchase person as well as the resource information of the entire real estate developer, so the system is divided into subject management, objects management, market monitoring management and system setting management according to different aspects of the system, and there are small modules about different modules. The subject management is mainly about the management of the developers, it includes developers’ enterprises creation, modifying and deleting. The object management is mainly about the resource of the real estate of the developers, and the real estate resources contain two kinds, one is the resource being building and another is built resources. Resource being building is the buildings not yet built, and built resource is completed buildings. Market monitoring management is mainly about the maintenance and management of information signed by the developers and home buyers. System setting management is mainly about management of the entire system. With the development of the real estate business in Weifang City, the sale of real estate management is more important, the Real Estate Online Signing System for Weifang City is developed in order to better manage the real estate market. The system is mainly about the management of developers and real estate resources and housing buyers, and the management of the contract between the developers and buyers to make the real estate of Weifang City to be more rational, transparent, and efficient.