就像上面提到的 Alexander,我需要在 Play 2.5 中使用注入。工作代码现在如下所示:
import play.api.i18n.{Messages, I18nSupport, MessagesApi}
import play.api.mvc._
import scala.concurrent.Future
class ApplicationController @Inject()(val messagesApi:MessagesApi) extends Controller with I18nSupport{
def get = Action.async {
implicit request => Future.successful(Ok(views.html.index(Messages("title"))))
}
}
如果您有一个测试类,您可以遵循以下逻辑并确保导入“play.api.i18n.Messages.Implicits._”:
import controllers.ApplicationController
import org.scalatestplus.play.{OneServerPerSuite, PlaySpec}
import play.api.i18n.{MessagesApi, Messages}
import play.api.i18n.Messages.Implicits._
import play.api.mvc.Result
import play.api.test.FakeRequest
import play.api.test.Helpers._
import scala.concurrent.Future
class ApplicationControllerSpec extends PlaySpec with OneServerPerSuite{
val applicationController = new ApplicationController(app.injector.instanceOf[MessagesApi])
"ApplicationController" must {
"load front page successfully" in {
val result: Future[Result] = applicationController.get().apply(FakeRequest())
contentAsString(result) must include(Messages("home.title"))
}
}
}