grails create-app

%PROJECT_HOME%
    + grails-app
       + conf                 ---> ??? ?? ?? ?? ?? ???(artifact)?? ?? ??
       + controllers          ---> ???? ???? ?? ??
       + domain               ---> ??? ???? ?? ??
       + i18n                 ---> ???(i18n) ??? ??? ?? ??
       + services             ---> ??? ???? ?? ??
       + taglib               ---> ?? ?????? ?? ??
       + views                ---> ?(view)? ?? ??
           + layouts              ---> ????? ?? ??
   + lib
   + spring                    ---> ?? ??? Spring ??
   + hibernate                 ---> ?? ??? Hibernate ??
   + war
       + WEB-INF

class DevelopmentDataSource {
   boolean pooling = true
   String dbCreate = "create-drop" // one of 'create', 'create-drop','update'
   String url = "jdbc:hsqldb:mem:testDB"
   String driverClassName = "org.hsqldb.jdbcDriver"
   String username = "sa"
   String password = ""
}

class Book {
    Long id
    Long version
    String title
    String author
}

new Book(author:"Stephen King",title:"The Shining").save()
new Book(author:"James Patterson",title:"Along Came a Spider").save()

class BookController {
   def scaffold = Book
}

grails run-app

http://localhost:8080/my-project/book/list

http://localhost:8080/my-project/book