mybatis separate mapper framework
quote
In 3.1.0 and later versions, the groupId is changed to tk.mybatis, and the artifactId is mapper.
The base package name in the project is also modified to tk.mybatis.mapper.
When upgrading from 3.0.0 to 3.1.0, you need to modify the configuration and the package name of the interface. For the latest configuration method, please refer to the documentation.
Maven:
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper</artifactId>
<version>3.1.0</version>
</dependency>
http://blog.csdn.net/shikaiwencn/article/details/52485883