一个简单博客源码，采用三层/多层模式开发，有文章添加、管理功能、用户注册和登录等，可以对博客文章进行评论，包含完整数据库-A simple blog source, three-tier/multi-mode development, there are articles to add, management, user registration and login so you can comment on blog posts, including a complete database