基于Retrofit-OkHttp网络选课APP的设计与实现

Design and implementation of Retrofit+OkHttp onlineAPP for course selectionAbstract:With the popularization of smart phones and the improvement of hardware,smart phones can replace computers for some daily work and study activities.Onlinecourse selection is extended from the computer web page to the mobile phone APP,which can enable students to take out their mobile phones to select courses withoutcomputers.According to the system network of our school during the course selectionperiod,the purpose of this project is to realize the flow diversion through the use ofthe online course selection APP.This article analyzes the background of the development of online courseselection APP based on our school,and briefly introduces the APP's functionalmodules,server deployment and database design based on the actual situation ofonline course selection,focusing on the selection of development tools,systemdebugging and the process of function realization.Android Stdio is used as the systemdevelopment tool for the online course selection APP,and MyEclipse is used as theserver development tool.Mysql-5.7 served as the database support,using the Postmandebugging interface during development,and finally using the Linux system as thedeployment point for the server.Online course selection APP currently only provide for the use of students'course selection,divide the school course,sports course and schedule query module,administrators can open or close the course.Yet the function of the teacherdevelopment.Suggestions and countermeasures:According to specific application,the server can be deployed to ali cloud or local,to achieve internal and externalnetwork access restrictions.Keywords:Online course selection APP,Android Stdio,MyEclipse,mysql-5.7,Linuxserver