Handling form submission and validation [Kuo.ChaoYi] $ console [info] Starting scala interpreter... [info] Welcome to Scala version 2.9.1.final (OpenJDK 64-Bit Server VM, Java 1.7.0-b222). Type in expressions to have them evaluated. Type :help for more information. scala> import play.api.data._ import play.api.data._ scala> import format.Formats._ import format.Formats._ scala> val loginForm = Form( | of( | "email" -> of[String], | "password" -> of[String] | ) | ) loginForm: play.api.data.Form[(String, String)] = Form(ObjectMapping2(<function2>,<function1>,(email,FieldMapping(,List())),(password,FieldMapping(,List())),,List()),Map(),List(),None) scala> This form can generate a (String, String) result value from Map[String,String] data:scala> val anyData = Map("email" -> "bob@gmail.com", "password" -> "secret") anyData: scala.collection.immutable.Map[java.lang.String,java.lang.String] = Map(email -> bob@gmail.com, password -> secret) scala> val (user,password) = loginForm.bind(anyData).get user: String = bob@gmail.com password: String = secret scala> val (user,password) = loginForm.bindFromRequest.get <console>:16: error: Cannot find any HTTP Request here val (user,password) = loginForm.bindFromRequest.get ^ scala> |
C11.Web Framework > C11.2.Play! Framework 2 >