MySQL+C#的三级架构学生成绩信息管理系统。云服务器部署MySQL server，本地基于C#+.NET开发带界面
MySQL+C#的三级架构学生成绩信息管理系统。云服务器部署MySQL server，本地基于C#+.NET开发带界面
· 三级架构：由和数据直接打交道，到直接和用户打交道的界面 1.数据访问层:Data Access Layer 利用一个通用的MySQL语句模式直接访问数据库 2.业务逻辑层:Bussiness Logic Layer 使用MySQL语句对数据库实现增删改查 3.用户接口层:User Interface Layer 结合用户界面，将查询表和用户关键字交互起来 此外，一个Tool类，封装了大量MySQL实用方法，可供DAL和BLL调用
· 关于云数据库 私有云：hangecloud.club:8080，需要使用的可以联系QQ：257993379
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