grails处理json数据

importgrails.converters.JSON

 

classUser{

   String nickname

   Integer age

}

classTestController{

   deflistAsJson = {

      defoutput = "{'nickname':'东瓜','age':'16'}"

      render outputas JSON

   }

   deflistAsJSON2 = {

      defoutput = "{'nickname':'东瓜','age':'16'}"

      render JSON.parse(output)

   }

   deflistAsJSON3 = {

      defuser = User.get(1)

      render useras JSON

   }

   deflistAsJSON4 = {

      defoutputMap = ['1':1,'2':2]

      render outputMapas JSON

   }

}