Scala Form类代码示例

//设置package包名称以及导入依赖的类
package forms

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


case class CreateUserData(
  name: String,
  email: String,
  password: String,
  passwordConfirmation: String
)

object CreateUserForm {
  val userForm: Form[CreateUserData] = Form {
    mapping(
      "name" -> text.verifying(nonEmpty, maxLength(50)),
      "email" -> email.verifying(maxLength(255)),
      "password" -> text.verifying(minLength(6)),
      "passwordConfirmation" -> text.verifying(minLength(6))
    )(CreateUserData.apply)(CreateUserData.unapply)
      .verifying("Password does not match", data => data.password == data.passwordConfirmation)
  }
} 

//设置package包名称以及导入依赖的类
package controllers

import play.api.data.Form
import play.api.mvc.{Flash, RequestHeader}
import UserFeedback.{Feedback, Success, Yes, No}

case class UserFeedback(message: String, isError: Boolean) {
  def toSeq: Seq[(String, String)] = Seq(
    Feedback -> message,
    Success -> (if (isError) No else Yes)
  )
}

object UserFeedback {
  val Feedback = "feedback"
  val Success = "success"
  val Yes = "yes"
  val No = "no"

  def success(message: String) = UserFeedback(message, isError = false)

  def error(message: String) = UserFeedback(message, isError = true)

  def flashed(request: RequestHeader): Option[UserFeedback] =
    flashed(request.flash)

  def flashed(flash: Flash, textKey: String = Feedback): Option[UserFeedback] =
    for {
      message <- flash get textKey
      isError = (flash get Success) contains No
    } yield UserFeedback(message, isError)

  def formed(form: Form[_]) =
    form.globalError.orElse(form.errors.headOption)
      .map(formError => error(formError.message))
} 

//设置package包名称以及导入依赖的类
package articles

import play.api.libs.json.Json
import play.api.data.Form
import play.api.data.Forms._



  implicit val articleFormatter = Json.format[Article]

  private var articles = List(
    Article(
      "First article",
      "Julien",
      """Now that there is the Tec-9, a crappy spray gun from South Miami. This gun is advertised as the most popular gun in American crime. Do you believe that shit? It actually says that in the little book that comes with it: the most popular gun in American crime. Like they're actually proud of that shit. """
    ),
    Article(
      "Second awesome blog post",
      "Miss Catapulte",
      """You think water moves fast? You should see ice. It moves like it has a mind. Like it knows it killed the world once and got a taste for murder. After the avalanche, it took us a week to climb out. Now, I don't know exactly when we turned on each other, but I know that seven of us survived the slide... and only five made it out. Now we took an oath, that I'm breaking now. We said we'd say it was the snow that killed the other two, but it wasn't. Nature is lethal but it doesn't hold a candle to man."""
    )
  )

  def getArticles = articles

  def addArticle(article: Article): Unit = {
    articles = articles :+ article
  }

  def newArticleForm = Form(
    mapping(
      "title" -> nonEmptyText,
      "author" -> nonEmptyText,
      "content" -> nonEmptyText
    )(Article.apply)(Article.unapply)
  )
}

case class Article(title: String, author: String, content: String) 

//设置package包名称以及导入依赖的类
package forms
import play.api.Play
import play.api.data.Form
import play.api.data.Forms._

case class UserFormData(login: String, password: String, user_type: Boolean)

object UserForm {

  val form = Form(
    mapping(
      "login" -> email,
      "password" -> nonEmptyText,
      "user_type" -> boolean
    )(UserFormData.apply)(UserFormData.unapply)
  )
} 

//设置package包名称以及导入依赖的类
package forms

import play.api.data.Form
import play.api.data.Forms._

object MerchantProfileEditForm {

  
  val form = Form(
    mapping(
      "name" -> nonEmptyText,
      "about" -> nonEmptyText,
      "site" -> nonEmptyText,
      "city" -> nonEmptyText
    )(Data.apply)(Data.unapply)
  )

  case class Data(
    name: String,
    about: String,
    site: String,
    city: String)

} 

//设置package包名称以及导入依赖的类
package controllers

import javax.inject.Inject

import model.ContactFormTemplate
import play.api.data.Form
import play.api.data.Forms._
import play.api.mvc.{Action, Controller}
import play.api.Play.current
import play.api.data.validation._
import play.api.i18n.Messages.Implicits._
import services._

import scala.concurrent.Future

class ContactUsController @Inject()(validator: Validation) extends Controller  {

  val contactUsForm: Form[ContactFormTemplate] = Form(
    mapping(
      "name" -> nonEmptyText(maxLength = 20),
      "email" -> nonEmptyText(maxLength = 30).verifying(validator.emailCheckConstraint),
      "description" -> nonEmptyText(maxLength = 50)
    )(ContactFormTemplate.apply)(ContactFormTemplate.unapply)
  )

  def entry = Action {
    Ok(views.html.contact(contactUsForm))
  }

  def postForm = Action.async { implicit request =>
    println(request.body)
    contactUsForm.bindFromRequest.fold(
      formWithErrors => {
        Future.successful(BadRequest(views.html.contact(formWithErrors)))
      },
      UserData => {
        Future.successful(Redirect(routes.ContactUsController.success(UserData.name, UserData.email, UserData.description)))
      }
    )
  }

  def success(name: String, email: String, description: String) = Action {
    Ok(views.html.contactFormConfirmation(name, email, description))
  }
} 

//设置package包名称以及导入依赖的类
package forms

import play.api.data.Form
import play.api.data.Forms._

object SettingsForm {

  val form = Form(
    mapping(
      "piecetype" -> nonEmptyText,
      "note" -> text
    )(Data.apply)(Data.unapply)
  )

  case class Data(
    piecetype: String,
    note: String
  )
} 

//设置package包名称以及导入依赖的类
package models

import akka.actor.FSM.->
import play.api.data.validation.Constraints._
import play.api.data.format.Formats._
import reactivemongo.bson.{BSONDocumentReader, BSONDocument, BSONDocumentWriter, BSONObjectID}
import play.api.data.{Form, Mapping}
import play.api.data.Forms._
import reactivemongo.bson._

case class User(id:Option[BSONObjectID], user:String,password:String)

object User{
  val fldId = "_id"
  val fldName = "user"
  val fldPassword = "password"

  implicit object UserWriter extends BSONDocumentWriter[User]{
    def write(user:User):BSONDocument = BSONDocument(
      fldId -> user.id.getOrElse(BSONObjectID.generate),
      fldName -> user.user,
      fldPassword -> user.password
    )
  }

  implicit object UserReader extends BSONDocumentReader[User]{
    def read(doc:BSONDocument):User = User(
      doc.getAs[BSONObjectID](fldId),
      doc.getAs[String](fldName).getOrElse(""),
      doc.getAs[String](fldPassword).getOrElse("")
    )
  }

  val form = Form(
    mapping(
      fldId -> optional(of[String] verifying pattern(
        """[a-fA-F0-9]{24}""".r,
        "constraint.objectId",
        "error.objectId")),
      fldName -> nonEmptyText,
      fldPassword -> nonEmptyText){ (id,user,password) =>
      User(
        id.map(BSONObjectID(_)) ,user,password
      )
    }{user => Some(user.id.map(_.stringify), user.user, user.password)}
  )
} 

//设置package包名称以及导入依赖的类
package forms

import models.Employee
import play.api.data.Form
import play.api.data.Forms._


  val employeeForm = Form(
    mapping(
      "id" -> optional(longNumber),
      "name" -> text.verifying("Name Required", _.nonEmpty),
      "address" -> text.verifying("Address Required", _.nonEmpty),
      "city" -> text.verifying("City Required", _.nonEmpty),
      "county" -> text.verifying("County Required", _.nonEmpty),
      "country" -> text.verifying("Country Required", _.nonEmpty),
      "postcode" -> text.verifying("Post Code Required", _.nonEmpty),
      "phone" -> longNumber,
      "email" -> text.verifying("E-Mail Required", _.nonEmpty),
      "status" -> text.verifying("Status Required", _.nonEmpty )
    )
    (Employee.apply)(Employee.unapply)
    verifying("Status must equal Active OR Archived", employee => employee.status.matches("Active") || employee.status.matches("Archived"))
  )
} 

//设置package包名称以及导入依赖的类
package controllers

import play.api.mvc._
import javax.inject.Inject
import play.api.i18n.{Messages, MessagesApi, I18nSupport}
import play.api.data.Form
import play.api.data.Forms.{mapping, longNumber, nonEmptyText}
import models.Product

class Products @Inject() (val messagesApi: MessagesApi) extends Controller with I18nSupport {
  def list = Action { implicit request =>
    val products = Product.findAll
    Ok(views.html.products.list(products))
  }

  def show(ean: Long) = Action {
    implicit request => Product.findByEan(ean).map {
      // rendering product details
      product => Ok(views.html.products.details(product))
    }.getOrElse(NotFound)  // return page 404
  }

  private val productForm: Form[Product] = Form(
    mapping(
      "ean" -> longNumber.verifying("validation.ean.duplicate", Product.findByEan(_).isEmpty),  // form? field? ????
      "name" -> nonEmptyText,
      "description" -> nonEmptyText
    )(Product.apply)(Product.unapply) // form? model ?? mapping
  )

  def save = Action {
    implicit request => val newProductForm = productForm.bindFromRequest()

    newProductForm.fold(
      hasErrors = {
        form => Redirect(routes.Products.newProduct()).
          flashing(Flash(form.data) + ("error" -> Messages("validation.errors")))
      },
      success = {
        newProduct => Product.add(newProduct)
        val message = Messages("products.new.success", newProduct.name)
        Redirect(routes.Products.show(newProduct.ean)).flashing("success" -> message)
      }
    )
  }

  def newProduct = Action {
    implicit request => val form = if (request2flash.get("error").isDefined)
      productForm.bind(request2flash.data)
    else
      productForm

    Ok(views.html.products.editProduct(form))
  }
} 

//设置package包名称以及导入依赖的类
package controllers

import akka.actor.ActorSystem
import frontend.AuthorizationConfig
import play.api.data.Form
import play.api.data.Forms._
import play.api.mvc._
import javax.inject.{Inject, Singleton}
import scala.concurrent.Future
import frontend.AccountModel._

//http://www.tzavellas.com/techblog/2015/02/10/action-composition-in-play-framework/
@Singleton class SportCenter @Inject()(val conf: play.api.Configuration, system: ActorSystem) extends Controller
  with jp.t2v.lab.play2.auth.LoginLogout with AuthorizationConfig {

  val log: org.slf4j.Logger = akka.event.slf4j.Logger("sport-center")
  implicit val ex = system.dispatchers.lookup("akka.stream-dispatcher")

  import scala.concurrent.duration._
  implicit val timeout = 3 seconds

  val loginForm = Form {
    mapping(
      ("login" -> nonEmptyText),
      ("password" -> nonEmptyText))(authenticate2(log))(_.map(account => (account.login, account.password)))
        .verifying("Invalid login or password", _.isDefined)
  }

  def login(loginError: Boolean) = Action { implicit request =>
    if(loginError) BadRequest(views.html.login.login(authenticationErrorForm("authentication error")))
    else Ok(views.html.login.login(loginForm))
  }

  def logout = Action.async { implicit request =>
    gotoLogoutSucceeded.map(_.flashing(
      ("success", "You've been logged out")
    ))
  }

  def authenticate = Action.async { implicit request =>
    loginForm.bindFromRequest.fold(
      { formWithErrors =>
        Future.successful(BadRequest(views.html.login.login(authenticationErrorForm("Login or password is missing"))))
      }, { user =>
        gotoLoginSucceeded(s"${user.get.id},${user.get.login},${user.get.password},${user.get.permission},${user.get.token}")
      }
    )
  }
} 

//设置package包名称以及导入依赖的类
package frontend

import controllers.routes
import jp.t2v.lab.play2.auth._
import org.joda.time.{DateTime, Interval}
import play.api.data.Form
import play.api.data.Forms._
import play.api.mvc.Results._
import play.api.mvc._

import scala.collection.mutable
import scala.concurrent.{Future, ExecutionContext}
import scala.reflect.ClassTag

trait AuthorizationConfig extends AuthConfig {
  mixin: { def conf: play.api.Configuration } =>

  override type Id = String
  override type User = frontend.Account
  override type Authority = frontend.Permission
  override val idTag: ClassTag[Id] = scala.reflect.classTag[Id]
  override val sessionTimeoutInSeconds = tokenMaxAge

  lazy val intervals: mutable.LinkedHashMap[Interval, String] = loadStages(conf.getObjectList("stages"))

  override def resolveUser(id: Id)(implicit ctx: ExecutionContext): Future[Option[User]] = {
    val fields = id.split(",")
    val id0 = fields(0)
    val login = fields(1)
    val password = fields(2)
    val permission = fields(3)
    val token = fields(4)
    Future.successful(Option(Account(id0.toInt, login, password, permission, token)))
  }

  
    cookieName         = conf.getString("http-session.header").getOrElse("AUTH_SESS_ID"),
    cookieSecureOption = play.api.Play.isProd(play.api.Play.current),
    cookieMaxAge       = Some(sessionTimeoutInSeconds)
  )

  def authenticationErrorForm(errorMessage: String) = Form {
    mapping(("login" -> nonEmptyText), ("password" -> nonEmptyText))({(l,r) => None: Option[frontend.Account]})(_ => None)
      .verifying("Invalid login or password", result => result.isDefined)
  }.withGlobalError(errorMessage)

  def loginUrl: String = conf.getString("url.login").get

  //should be equal to backend Max-Age
  def tokenMaxAge: Int = conf.getInt("http-session.max-age").get
} 

//设置package包名称以及导入依赖的类
package models

import play.api.data.Form
import play.api.data.Forms._

case class UserFormModel (email: String, password: String)
object UserForm {
  var form = Form {
    mapping(
      "email" -> email,
      "password" -> text.verifying("??????4~32????", { p => p.length() >= 4 && p.length <= 32 })
    )(UserFormModel.apply)(UserFormModel.unapply)
  }
}

case class User(user_id: Option[Long], email: String, password: String, verifyId: String, isVerified: Boolean) 

//设置package包名称以及导入依赖的类
package model

import play.api.Play
import play.api.data.Form
import play.api.data.Forms._

case class User(id: Long, firstName: String, lastName: String, mobile: Long, email: String)

case class UserFormData(firstName: String, lastName: String, mobile: Long, email: String)

object UserForm {

  val form = Form(
    mapping(
      "firstName" -> nonEmptyText,
      "lastName" -> nonEmptyText,
      "mobile" -> longNumber,
      "email" -> email
    )(UserFormData.apply)(UserFormData.unapply)
  )
}

object Users {

  var users: Seq[User] = Seq()

  def add(user: User): String = {
    users = users :+ user.copy(id = users.length) // manual id increment
    "User successfully added"
  }

  def delete(id: Long): Option[Int] = {
    val originalSize = users.length
    users = users.filterNot(_.id == id)
    Some(originalSize - users.length) // returning the number of deleted users
  }

  def get(id: Long): Option[User] = users.find(_.id == id)

  def listAll: Seq[User] = users

} 

//设置package包名称以及导入依赖的类
package controllers.landing

import controllers.{ HasConfig, HasUserService, Security }
import javax.inject.{ Inject, Singleton }
import jp.t2v.lab.play2.auth.{ AuthElement, LoginLogout }
import models.document.DocumentService
import models.user.UserService
import play.api.Configuration
import play.api.data.Form
import play.api.data.Forms._
import play.api.i18n.{ I18nSupport, MessagesApi }
import play.api.mvc.{ Action, Controller }
import scala.concurrent.{ ExecutionContext, Future }

case class LoginData(usernameOrPassword: String, password: String)

@Singleton
class LoginLogoutController @Inject() (    
    val config: Configuration,
    val users: UserService,
    implicit val ctx: ExecutionContext,
    val messagesApi: MessagesApi
  ) extends Controller with AuthElement with HasConfig with HasUserService with Security with LoginLogout with I18nSupport {

  private val MESSAGE = "message"

  private val INVALID_LOGIN = "Invalid Username or Password"

  val loginForm = Form(
    mapping(
      "username" -> nonEmptyText,
      "password" -> nonEmptyText
    )(LoginData.apply)(LoginData.unapply)
  )

  def showLoginForm(destination: Option[String]) = Action { implicit request =>
    destination match {
      case None => Ok(views.html.landing.login(loginForm))
      case Some(dest) => Ok(views.html.landing.login(loginForm)).withSession("access_uri" -> dest)
    }
  }

  def processLogin = Action.async { implicit request =>
    loginForm.bindFromRequest.fold(
      formWithErrors =>
        Future(BadRequest(views.html.landing.login(formWithErrors))),

      loginData =>
        users.validateUser(loginData.usernameOrPassword, loginData.password).flatMap {
          case Some(validUser) => gotoLoginSucceeded(validUser.getUsername)
          case None => Future(Redirect(routes.LoginLogoutController.showLoginForm()).flashing(MESSAGE -> INVALID_LOGIN))
        }
    )
  }

  def logout = Action.async { implicit request =>
    gotoLogoutSucceeded
  }

}