Design And Implementation Of Self-trading Platform For Campus Students

There are graduates every year, and they can't take away everything retained. The online trading market will not only be able to handle secondary and unnecessary stuff of graduates, but any idle things can be processed for free of charge. All in all, it is very necessary to develop such an online trading platform which services for students.The development of this system was bases on MVC model and object-oriented. Try to follow the principles of object-oriented design, such as Open-Closed Principle the Dependency Inversion Principle, Single Responsibility Principle. All of these principles are valuable experience summarized by elder generation. These principles will make the system higher cohesion and lower coupling. The server developed with Struts2, Spring, and Hibernate. The front pages are programmed with jQuery, a lightweight JavaScript framework. The database is MySQL. To make the system be more user-friendly, AJAX is used. As we all know, Database connection is limited and expensive, which is especially reflected in the multi-user web application, database connection management can significantly affect the scalability and robustness of the application. Database connection pool is a good solution to the issue, It can significantly improve the performance of database operations, so the DBCP connection pool joined.The system is tailor-made for college students, Activity module in the system promote the communication of students, and the trading module can provide a reliable platform to barter for students, especially the secondary commodity trading module, not only made the unused items to get a good reuse, but also can help students from poor families to buy the items they need at an affordable price, All in all, from every point of view, this project is very meaningful.