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Views — GSP and JSON Views

GSP example (grails-app/views/book/index.gsp)

<php>
<head><title>Books</title></head>
<body>
<h1>Books</h1>
<g:each in="${bookList}" var="b">
  <div><g:link controller="book" action="show" id="${b.id}">${b.title}</g:link> — ${b.author}</div>
</g:each>
</body>
</php>

JSON View (grails-app/views/book/index.gson)

model { List bookList }

json {
  array {
    bookList.each { b ->
      object {
        id b.id
        title b.title
        author b.author
      }
    }
  }
}

Use JSON views for fast, maintainable API JSON rendering.