Scala Action类代码示例

//设置package包名称以及导入依赖的类
package controllers
import git.GitInfo
import play.api.libs.json.Json
import play.api.mvc.{Action, Controller}

class VersionController extends Controller {


  def index = Action {
    Ok(
      Json.obj(
        "lastCommit" -> Json.obj(
          "branch" -> GitInfo.currentBranch(),
          "message" -> GitInfo.lastRevCommitMessage(),
          "author" -> GitInfo.lastRevCommitAuthor(),
          "hash" -> GitInfo.lastRevCommitName(),
          "date" -> GitInfo.lastRevCommitTime()
        ))
    )
  }

} 

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

import javax.inject.{Inject, Singleton}

import models.ZWayEvent
import play.api.i18n.MessagesApi
import play.api.libs.json.Json
import play.api.mvc.Action

import scala.concurrent.Future

@Singleton
class EventsController @Inject()(
  val messagesApi: MessagesApi
) extends ApiController {

  var events:List[ZWayEvent] = List.empty

  def home() = Action {
    Ok("RPi Play Framework ZWay demo")
  }

  def all() = Action {
    Ok(Json.toJson(events))
  }

  def create() = Action.async(apiJson[ZWayEvent]) { req =>
    val event = req.body
    logger.debug("postEvent: " + event)

    events = events :+ event
    Future.successful(Ok(Json.obj()))
  }

} 

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

import javax.inject.Inject

import models.{ProjectRepo, TaskRepo}
import play.api.libs.concurrent.Execution.Implicits.defaultContext
import play.api.mvc.{Action, Controller}

class Application @Inject()( projectRepo: ProjectRepo, taskRepo: TaskRepo)
                           extends Controller {

  def addTaskToProject(color: String, projectId: Long) = Action.async { implicit rs =>
    projectRepo.addTask(color, projectId)
      .map{ _ =>  Redirect(routes.Application.projects(projectId)) }
  }

  def modifyTask(taskId: Long, color: Option[String]) = Action.async { implicit rs =>
    taskRepo.partialUpdate(taskId, color, None, None).map(i =>
    Ok(s"Rows affected : $i"))
  }
  def createProject(name: String)= Action.async { implicit rs =>
    projectRepo.create(name)
      .map(id => Ok(s"project $id created") )
  }

  def listProjects = Action.async { implicit rs =>
    projectRepo.all
      .map(projects => Ok(views.html.projects(projects)))
  }

  def projects(id: Long) = Action.async { implicit rs =>
    for {
      Some(project) <-  projectRepo.findById(id)
      tasks <- taskRepo.findByProjectId(id)
    } yield Ok(views.html.project(project, tasks))
  }

  def delete(name: String) = Action.async { implicit rs =>
    projectRepo.delete(name).map(num => Ok(s"$num projects deleted"))
  }

} 

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

import javax.inject.{Inject, Singleton}

import database.UsersCollection
import models.User
import play.api.libs.json.JsValue
import play.api.mvc.{Action, BaseController, ControllerComponents}

import scala.concurrent.{ExecutionContext, Future}



@Singleton
class UsersController @Inject()(
  val controllerComponents: ControllerComponents,
  users: UsersCollection
)(implicit ec: ExecutionContext) extends BaseController {

  def create: Action[JsValue] = Action.async(parse.json) { request =>
    request.body.asOpt[User] match {
      case Some(user) => users.insert(user).map(if(_) Created else InternalServerError)
      case None => Future.successful(BadRequest)
    }
  }

  def read(id: String) = Action {
    users.find(id)
    Ok
  }

} 

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

import javax.inject.Inject

import services.user.UserService
import com.mohiva.play.silhouette.api._
import com.mohiva.play.silhouette.api.exceptions.ProviderException
import com.mohiva.play.silhouette.api.repositories.AuthInfoRepository
import com.mohiva.play.silhouette.impl.providers._
import controllers.WebJarAssets
import play.api.i18n.{ I18nSupport, Messages, MessagesApi }
import play.api.libs.concurrent.Execution.Implicits._
import play.api.mvc.{ Action, Controller }
import utils.auth.DefaultEnv

import scala.concurrent.Future


  def authenticate(provider: String) = Action.async { implicit request =>
    (socialProviderRegistry.get[SocialProvider](provider) match {
      case Some(p: SocialProvider with CommonSocialProfileBuilder) =>
        p.authenticate().flatMap {
          case Left(result) => Future.successful(result)
          case Right(authInfo) => for {
            profile <- p.retrieveProfile(authInfo)
            user <- userService.save(profile)
            authInfo <- authInfoRepository.save(profile.loginInfo, authInfo)
            authenticator <- silhouette.env.authenticatorService.create(profile.loginInfo)
            value <- silhouette.env.authenticatorService.init(authenticator)
            result <- silhouette.env.authenticatorService.embed(value, Redirect(controllers.profile.routes.CustomerProfileController.edit()))
          } yield {
            silhouette.env.eventBus.publish(LoginEvent(user, request))
            result
          }
        }
      case _ => Future.failed(new ProviderException(s"Cannot authenticate with unexpected social provider $provider"))
    }).recover {
      case e: ProviderException =>
        logger.error("Unexpected provider error", e)
        Redirect(routes.SignInController.view()).flashing("error" -> Messages("could.not.authenticate"))
    }
  }
} 

//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 controllers

import javax.inject.Inject

import com.github.tototoshi.play2.json4s.native.Json4s
import models.{Item, ItemDetail}
import org.json4s.{DefaultFormats, Extraction}
import parsers.ItemParser
import play.api.mvc.{Action, Controller}
import requests.UploadZipItemForm
import scalikejdbc.DB

class ItemController @Inject()(json4s: Json4s) extends Controller {
  import json4s._
  import Responses._
  import models.PersistItem.getItemId
  implicit val formats = DefaultFormats

  def list() = Action {
    import models.Aliases.i
    val items = Item.findAll(i.name :: Nil)
    Ok(Extraction.decompose(items))
  }

  def show(itemId: Long) = Action {
    Item.findById(itemId).fold(notFound(s"itemId = ${itemId}")) { item =>
      Ok(Extraction.decompose(item))
    }
  }

  def upload() = Action(parse.multipartFormData){ implicit req =>
    UploadZipItemForm.fromReq(req).fold(BadRequest("Form error")){ form =>
      DB localTx { implicit session =>
        ZipUtil.inputStreams(form.file.ref.file).foreach{ is =>
          ItemParser.parse(is).foreach{ item =>
            val itemId = getItemId(item.name)
            ItemDetail.deleteById(itemId)
            ItemDetail.create(item.detail(itemId))
          }
        }
      }
      Redirect(routes.MyAssets.at("uploader.html"))
    }
  }
} 

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

import javax.inject.{Inject, Singleton}

import play.api.libs.functional.syntax._
import play.api.libs.json._
import play.api.mvc.{Action, AnyContent, Controller}
import repository.ReportRepository

import scala.concurrent.ExecutionContext.Implicits.global

@Singleton
class ReportsController @Inject()(reportRepository: ReportRepository) extends Controller {

  def getCountriesWithHigestAirports: Action[AnyContent] = Action.async { implicit request =>
    reportRepository.findCountriesWithHighestNoOfAirports.map { report => {
      Ok(views.html.reports.countries.airports("Countries with highest no of airports", Json.toJson(report)))
    }
    }
  }

  def getCountriesWithLowestAirports: Action[AnyContent] = Action.async { implicit request =>
    reportRepository.findCountriesWithLowestNoOfAirports.map { report =>
      Ok(views.html.reports.countries.airports("Countries with lowest no of airports", Json.toJson(report)))
    }
  }

  def getSurfacesPerCountry: Action[AnyContent] = Action.async { implicit request =>
    reportRepository.findSurfacesPerCountry.map {
      report => Ok(views.html.reports.countries.surfaces("Countries and runway surfaces", Json.toJson((report))))
    }
  }

  def getCommonRunwayIdentifications: Action[AnyContent] = Action.async { implicit request =>
    reportRepository.findCommonRunwayIdentifications.map {
      report => Ok(views.html.reports.commonIdents("Most common runway identifications", Json.toJson((report))))
    }

  }

} 

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

import config.DBSchema
import models.{Company, User}
import org.squeryl.PrimitiveTypeMode._
import play.api.libs.json.Json
import play.api.mvc.{Action, Controller}

object CompanyController extends Controller{

  def companyList = Action {
    implicit val barWrites = Json.writes[Company]
    implicit val barWrites2 = Json.writes[User]
        val json = inTransaction {
      val companys = from(DBSchema.companyTable)(
        companyTable => select(companyTable)
      )

      for(i <- companys.toList){
        val user = i.userList.toList
        val temp = "chang"

      }
      Json.toJson(companys)
    }
    Ok(json)
  }
} 

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

import javax.inject.{Inject, Singleton}

import play.api.cache.{CacheApi, _}
import play.api.mvc.{Action, AnyContent}

import scala.concurrent.duration._
import scala.reflect.ClassTag


  def cached(key: String, expiration: Duration = 4 hours)(response: => Action[AnyContent]) = {
    getOrElse(key) {
      val result = response()
      set(key, result, expiration)
      result
    }
  }

}

@Singleton
class SemesterModeCache @Inject()(@NamedCache("semester-mode-cache") semesterModeCache: CacheApi) extends CacheHelper {
  cache = semesterModeCache
}

@Singleton
class SessionCache @Inject()(@NamedCache("session-cache") sessionCache: CacheApi) extends CacheHelper {
  cache = sessionCache
} 

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

import play.api.mvc.{Action, Controller}

class Barcodes extends Controller {
  val ImageResolution = 144

  // png? ???? Action
  def barcode(ean: Long) = Action {
      import java.lang.IllegalArgumentException

      val MimeType = "image/png"
      try {
        val imageData = ean13BarCode(ean, MimeType)
        Ok(imageData).as(MimeType)
      }
      catch {
        case e: IllegalArgumentException =>
          BadRequest("Couldn't generate bar code. Error: " + e.getMessage)
      }
  }

  def ean13BarCode(ean: Long, mimeType: String): Array[Byte] = {
    import java.io.ByteArrayOutputStream
    import java.awt.image.BufferedImage
    import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider
    import org.krysalis.barcode4j.impl.upcean.EAN13Bean

    val output: ByteArrayOutputStream = new ByteArrayOutputStream
    val canvas: BitmapCanvasProvider = new BitmapCanvasProvider(
      output, mimeType, ImageResolution, BufferedImage.TYPE_BYTE_BINARY, false, 0)

    val barcode = new EAN13Bean()
    barcode.generateBarcode(canvas, String valueOf ean)
    canvas.finish

    output.toByteArray
  }
} 

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

import play.api.libs.json._
import play.api.libs.functional.syntax._
import play.api.mvc.{Action, Controller}
import models.{User, Users}

class UsersController(userServices: Users) extends Controller {

  implicit val userWrites: Writes[User] = Json.writes[User]
  implicit val userReads: Reads[User] = (
      Reads.pure(0L) and
      (JsPath \ "name").read[String] and
      (JsPath \ "isActive").read[Boolean]
    )(User.apply _)

  def get(id: Long) = Action { request =>
    userServices.find(id) match {
      case None => NotFound
      case Some(user) => Ok(Json.toJson(user))
    }
  }

  def create = Action(parse.json) { request =>
    Json.fromJson[User](request.body).fold(
      invalid => BadRequest,
      user => {
        val userCreated = userServices.create(user)
        Created.withHeaders(LOCATION -> s"/users/${userCreated.id}")
      }
    )
  }

  def delete(id: Long) = Action { request =>
    userServices.find(id) match {
      case None => NotFound
      case Some(user) =>
        userServices.delete(user)
        NoContent
    }
  }

  def update(id: Long) = Action(parse.json) { request =>
    Json.fromJson[User](request.body).fold(
      invalid => BadRequest,
      user => {
        userServices.update(user.copy(id = id))
        NoContent
      }
    )
  }
} 

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

import javax.inject.{Inject, Singleton}

import play.api.libs.concurrent.Execution.Implicits.defaultContext
import play.api.libs.json._
import play.api.mvc
import play.api.mvc.{Action, AnyContent, Controller, Result}
import services.{Constants, JsonConverter, Stash, StashStore}

import scala.concurrent.Future


@Singleton
class StashController @Inject()(stashStore: StashStore, jsonConverter: JsonConverter) extends Controller {

  def addStash = Action.async(request => {
    validateStashAndRespond(request, (stash) => stashStore.addStash(stash).map(addedStash => Ok(Json.toJson[Stash](addedStash))))
  })

  def index = Action.async(request => {
    stashStore.getStashes().map(stashes => Ok(Json.toJson(stashes)))
  })

  def getStash(id: String) = Action.async(request =>
    stashStore.getStash(id).map {
      case Some(retrievedStash) => Ok(Json.toJson[Stash](retrievedStash))
      case None => NotFound
    }
  )

  def updateStash = Action.async(request => {
    validateStashAndRespond(request, (stash) => stashStore.updateStash(stash).map(updatedStash => Ok(Json.toJson[Stash](updatedStash))))
  })

  private def validateStashAndRespond(request: mvc.Request[AnyContent], responseAction: (Stash) => Future[Result]): Future[Result] = {
    request.body.asJson match {
      case None => Future.successful(BadRequest(Constants.noValidJsonMessage))
      case Some(json) =>
        val stash = jsonConverter.getStashFromRequestBody(json)
        stash match {
          case Some(value) => responseAction(value)
          case None => Future.successful(BadRequest(json))
        }
    }
  }
} 

//设置package包名称以及导入依赖的类
package controllers
import javax.inject.Inject
import play.api.mvc.{ Action, Controller }
import play.api.libs.concurrent.Execution.Implicits.defaultContext
import play.api.libs.json._
import play.modules.reactivemongo.{MongoController, ReactiveMongoApi, ReactiveMongoComponents}
import reactivemongo.play.json._
import play.modules.reactivemongo.json.collection._
import models._
import models.JsonFormats._

class Application @Inject() (val reactiveMongoApi: ReactiveMongoApi)
  extends Controller with MongoController with ReactiveMongoComponents {

  def getHotels = Action.async {
    db.collection("hotels").find(Json.obj()).cursor[Hotel]()
      .collect[List]().map {hotels => Ok(Json.toJson(hotels))}
  }

  def findByCityName(cityName : String) = Action.async {
    db.collection("hotels").find(Json.obj("city" -> cityName)).cursor[Hotel]()
        .collect[List]().map (hotels => Ok(Json.toJson(hotels)))
  }
} 

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

import controllers.{ HasVisitLogging, WebJarAssets }
import javax.inject.{ Inject, Singleton }
import models.visit.VisitService
import play.api.mvc.{ Action, Controller, RequestHeader }
import play.twirl.api.HtmlFormat

@Singleton
class HelpController @Inject() (
    implicit val visits: VisitService,
    implicit val webjars: WebJarAssets
  ) extends Controller with HasVisitLogging {

  private def result(template: HtmlFormat.Appendable)(implicit request: RequestHeader) = {
    logPageView()
    Ok(template)
  }

  def index = Action { Redirect(routes.HelpController.showTutorial()) }

  def showTutorial  = Action { implicit request => result(views.html.help.tutorial()) }

  def showLocalizedTutorial(lang: String) = Action { implicit request =>
    lang.toUpperCase match {
      case "DE" => result(views.html.help.tutorial_de())
      case "ES" => result(views.html.help.tutorial_es())
      case "IT" => result(views.html.help.tutorial_it())
      case _ => NotFound(views.html.error404())
    }
  }

  def showFAQ = Action { implicit request => result(views.html.help.faq()) }

  def showAbout = Action { implicit request => result(views.html.help.about()) }

}