Play! 2.0

1.sql

# --- !Ups

create table users (
  name text primary key, 
  age int not null);

# --- !Downs
 
drop table users;

action.scala

def page(name: String, format: String) = Action {
  Ok(<p>You requested page {name} in format {format}</p>.toString).as(HTML)
}

form.scala

import play.api.data._, Forms._, validation.Constraints._

// Domain object
case class User(name: String, age: Int)

// Form definition
val userForm = Form(
  mapping(
    "name" -> nonEmptyText,
    "age" -> number(min = 0, max = 150)
  )(User.apply)(User.unapply))
  
// Form submit action
def register = Action { implicit request =>
  userForm.bindFromRequest.fold(
    errors => BadRequest(views.html.index(errors)),
    user => Redirect(routes.Application.index))
}

form.scala.html

@(registrationForm: Form[User])

@helper.form(action = routes.Application.register) {
  @helper.inputText(registrationForm("name"))
  @helper.inputText(registrationForm("age"))
  <input type="submit" value="Register" />
}

index.scala.html

@(message: String)

@main("Welcome to Play 2.0") {
  <a href="@routes.Application.page("1984", "PDF")">page example</a>
}

users.scala

import play.api.db._, anorm._, play.api.Play.current

def registeredUsers = DB.withConnection { implicit connection =>
  SQL("select name, age from users")().map(row => User(row[String]("name"), row[Int]("age"))).toList
}