EOS的一个很好的例子.包括页面构件、展现构件，业务构件，运算构件，数据构件，流程构件

基于EOS5.x开发基础框架，提供了用户权限、组织机构、和基础服务（如业务字典、业务日志等）功能-Based on EOS5.x development framework that provides user rights, organization, and basic services (such as business dictionary, business logs, etc.) functions