Automapper is a MyBatis SQL generation tool,
it provides a JPA-like interface method to SQL ability,
only rely on a compile time JAR package can avoid a lot of simple
and similar to the repeated writing of SQL work.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window auto-mapper-auto-mapper-processor.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.