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文章 2009-06-17 来自：开发者社区

还需要编写DAO代码吗？SQL+接口就足够了！

标准的Java DAO写法：定义DAO接口；编写DAO实现类；在实现类中编写JDBC代码。写JDBC代码非常枯燥而且容易出错，因此，增强的DAO可以用类似Spring的JdbcTemplate简化JDBC代码，不过仍然需要大量的ConnectionCallback，PreparedStatementCallbac等。如果仅定义DAO接口，并利用Java 5 Annotatio...

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云数据库 RDS SQL Server 版

云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。

产品详情

管理控制台

在线咨询

还需要编写DAO代码吗？SQL+接口就足够了！

SQL代码相关内容

SQL更多代码相关

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