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Design and implementation of Deyang agricultural extension network

Author: ZhangXiang
Tutor: WuWeiJun; XieJianQiang
School: University of Electronic Science and Technology
Course: Software Engineering
Keywords: agricultural promotion .NET technology three-tier system test
CLC: TP393.092
Type: Master's thesis
Year: 2012
Downloads: 9
Quote: 0
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Abstract


As one of the cradles of the world’s agriculture, there are many advanced inventions in China. With only7%arable land of the world, China feed one fifth of the world population, which is an outstanding contribution for the prosperity and development of the world. Especially after the implementation of the contracting system, the production condition and technology of Chinese agriculture have been improved significantly. As we all known, the21st century is the era of information technology, it has penetrated into every aspect of people’s lives and promoted the development of all walks of life. China plays an important role in the agriculture of world, but the application of IT in agriculture is really weak. In this paper, we aim at promoting the application of IT in agriculture of Deyang city, design and realize a professional Mechanization of Agriculture Promoting Site (MAPS).Deyang Mechanization of Agriculture Promoting Site (MAPS) uses the ASP.NET3.5development environment which based on.NET, it uses Visual Web Developer2008to create dynamic Web sites and pages. Visual Web Developer2008is a powerful development platform, it has a lot of function, such as ASP.NET Web application development, application development, windows application development and database processing and other software development tasks. Visual Web Developer2008has a internal Web server, so that developers can develop ASP.NET Web applications without installing and configuring the IIS server. At the same time, Visual Web Developer2008can separate the logic code (aspx.cs) from performance of the page (aspx), so that the user can control the page easily through the code-behind logicFirstly, this paper analysis the background and significance to establish Deyang Mechanization of Agriculture Promoting Site (MAPS) in detail. It concludes the introduction of domestic and international current situation of agricultural information, the proof of the feasibility to establish Deyang Mechanization of Agriculture Promoting Site (MAPS). According to the practical application of Deyang Mechanization of Agriculture Promoting Site (MAPS), the paper further analysis the features and requirements of the Web site, and divides the site into publication of agricultural news, publication of agricultural policy, publication of agricultural products, online ordering of agricultural products, user registration, login and so on. Base on these features, we design the organizational structure of site. Additionally, we also designed the database and E-R figure of the site reasonably.In the aspect of implementation, the three-tier architecture has been used in the development of Deyang Mechanization of Agriculture Promoting Site (MAPS), which includes interface layer, business logic, data access and storage layer. There are many obvious advantages of three-tier architecture. Firstly, the interface and logical phase has been separated, which can allow us to modify the contents of one layer without affecting other layers; Secondly, for the separation of the logic and interface, a program can be directly copied to another program to improve the portability of the code.Finally, this paper use the gray-box testing methods to test the user interface, functionality and security of the site tests to prove the Deyang Mechanization of Agriculture Promoting Site (MAPS), make sure the Web site can normally run with good security.

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