本人编写的数据库连接池的基本应用，多多指教。具体的jndi可在service.xml中自己去配置。-I prepared the database connection pool of basic applications, the exhibitions. Specific vendor in service.xml to configure their own.

Unity开发数据保存方式，数据库、Json和XML三种方式的类库，功能齐全。-Unity development of data storage, , Json and XML three ways of library, complete functions.