Grails 1.0-RC2 发布

grails.mime.types = [ html: ['text/html','application/xhtml+xml'],
                      xml: ['text/xml', 'application/xml']
                      // etc.
                    ]

def list = {
    def results = Book.list()
    withFormat {
         html bookList:result
         xml { render results as XML }
    }
}

   <book>
    <title>The Stand</title>
    <author>Stephen King</author>
    ...
  </book>
    

def save = {
   def b = new Book(params['book'])
   if(b.save()) {
      // deal with book
   }
}

class Book {
    Author author
    static mapping = {
        columns {
            author column:'auth_id'
        }
    }
}

class Author {
    static hasMany = [books:Book]
    static mapping = {
        columns {
            books joinTable:[name:'authors_books', key:'book_id', column:'author_id']
        }
    }
}