Approach of "Cloud Class" Management System Design Based on WeChat Applet

In order to make education not limited by time and space, and to make teaching methods more diversified, a cross-border integration of the Internet and education has changed the teaching and management of the education industry through information technology. The front-end of the learning tool platform introduced in this paper is developed by JavaScript. The background code uses node.js to carry out the cloud function. The code written by python has been applied to realize the network crawler technology on the function calculation of Aliyun. The chat room function of instant messaging is realized by WebSocket of Huanxin. The developed small program only needs one step of operationˈ which is equivalent with three steps on the usual official website, simulating steps of "login", automatically creating and joining the class according to the class schedule online. It takes only three seconds for grading a homework sheet with a hundred questions, with details of correct answers. The small program of learning platform has broad future for development, and helps build up an organic connection through both online and offline teaching process for college students and teachers, so that the teaching work are no longer limited by time and space.