The design and realization of network instructional platform based on Ajax

Network instructional platform has become more and more popular with the rapid development of distance education. This paper makes a comprehensive and systematic study of the network instructional platform. Through the introduction of Ajax to the program, the paper established a four-subsystem (network classroom system, online Question & Answer system, online testing system and online homework system) network instructional platform. Realized the checking and operating data asynchrony transmission and the refreshing of local data in users pages, such as registration page, curriculum notice addition page, and so on. The application of Ajax deduced the volume of transmission data and the burden of the server in the platform, improved the network interactive environment and the user experience.