scala 我如何在普通 sbt 项目中使用 play ws 库而不是 play？
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How do i use play ws library in normal sbt project instead of play?
提问by pamu
When i tried using Play WS library in a normal sbt project instead of play project I was bound to use play.api.Play.current and gotjava.lang.RuntimeException: "There is no started application"when tried to run the application.
当我尝试在普通 sbt 项目而不是 play 项目中使用 Play WS 库时，我必须使用 play.api.Play.current 并在尝试运行该应用程序时得到java.lang.RuntimeException: "There is no started application" 。
回答by implicitdef
Usage in 2.4.x
在 2.4.x 中的用法
import play.api.libs.ws.ning.NingWSClient
val wsClient = NingWSClient()
wsClient.url("http://wwww.something.com").get()
build.sbt :
构建.sbt：
libraryDependencies += "com.typesafe.play" %% "play-ws" % "2.4.3"
Usage in 2.5.x
在 2.5.x 中的用法
import play.api.libs.ws.ahc.AhcWSClient
implicit val actorSystem = ActorSystem()
implicit val materializer = ActorMaterializer()
wsClient.url("http://wwww.something.com").get()
//at the very end, to shutdown stuff cleanly :
wsClient.close()
actorSystem.terminate()
build.sbt :
构建.sbt：
libraryDependencies += "com.typesafe.play" %% "play-ws" % "2.5.4"
Logs
日志
As someone noted in the comment, by default you might get a bunch of verbose logs coming from the underlying async-http-client. One way to fix it is to start configuring a logback.xml, and placing it in src/main/resources
正如有人在评论中指出的那样，默认情况下，您可能会从底层 async-http-client 获得一堆冗长的日志。修复它的一种方法是开始配置logback.xml，并将其放置在src/main/resources
<configuration>
<conversionRule conversionWord="coloredLevel" converterClass="play.api.Logger$ColoredLevel" />
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<!-- The logging pattern, you might want to adapt it -->
<pattern>%d %coloredLevel %t - %logger - %message%n%xException</pattern>
</encoder>
</appender>
<!-- Here you can change the levels of specific loggers -->
<logger name="somelogger" level="INFO" />
<!-- Default logging level for every logger -->
<root level="ERROR">
<appender-ref ref="STDOUT" />
</root>
</configuration>
回答by planetenkiller
To use play-ws outside of play see "Using WSClient" section of documentation: http://www.playframework.com/documentation/2.3.x/ScalaWS
要在游戏之外使用 play-ws，请参阅文档的“使用 WSClient”部分：http://www.playframework.com/documentation/2.3.x/ScalaWS
val builder = new com.ning.http.client.AsyncHttpClientConfig.Builder()
val client = new play.api.libs.ws.ning.NingWSClient(builder.build())
val response = client.url(url).get()
