dbdtobean-spring-boot-starter
· Read the table fields of the database and generate entity class files and curd class files of controller, service, Dao and mapper layers
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 dbdtobean-spring-boot-starter-1.6.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.