以四川省高职院校掌上数字化校园APP 等项目开发为基础，分析了此类APP 开发中面临的一系列用户环境 自适应问题，结合相关项目开发进行研究思考，给出一种利用中间件基于HTML5+JavaScript 的技术手段和解决方法；对相关 技术和方法作出进一步思考，给出改进思路。

Based on the project development of digital campus APP in Sichuan Province, this research has analyzed a series of user environment adaptive problems faced by the development of APP, and combined with the related project development to study and think, and give a kind of technology means and solving method based on HTML5+JavaScript.