在Java语言中，DataSource对象就是一个代表数据源实体的对象。一个数据源就是一个用来存

储数据的工具，它可以是复杂的大型企业级数据库，也可以是简单得只有行和列的文件。数据源可

以位于在服务器端，也可以位于客服端。

-In the Java language, DataSource object is a data source on behalf of the target entity. A data source is a tool used to store data, it can be large and complex enterprise-class database, but also can be so simple that only the rows and columns of the paper. Data source can be located on the server side can also be located in client customer service.