scala – 如何将WebJars添加到我的Play应用程序？

GET     /webjars/*file              controllers.WebJarAssets.at(file)

在我的scala模板中,我添加了以下行：

<link rel='stylesheet' href='@routes.WebJarAssets.at(WebJarAssets.locate("css/bootstrap.min.css"))'>
<link rel='stylesheet' href='@routes.WebJarAssets.at(WebJarAssets.locate("css/bootstrap-theme.min.css"))'>

当我打开应用程序时,css文件被完美加载.但是一旦我运行了激活器eclipse,我就会收到以下编译错误：

[info] Compiling 4 Scala sources and 2 Java sources to /Users/d135-1r43/play/blog/target/scala-2.11/classes...
[error] /Users/d135-1r43/play/blog/conf/routes:10: object WebJarAssets is not a member of package controllers
[error] GET     /webjars/*file              controllers.WebJarAssets.at(file)
[error] /Users/d135-1r43/play/blog/conf/routes:10: object WebJarAssets is not a member of package controllers
[error] GET     /webjars/*file              controllers.WebJarAssets.at(file)
[error] /Users/d135-1r43/play/blog/app/views/main.scala.html:8: not found: value WebJarAssets
[error]         <link rel='stylesheet' href='@routes.WebJarAssets.at(WebJarAssets.locate("css/bootstrap.min.css"))'>
[error]                                                              ^
[error] /Users/d135-1r43/play/blog/app/views/main.scala.html:9: not found: value WebJarAssets
[error]         <link rel='stylesheet' href='@routes.WebJarAssets.at(WebJarAssets.locate("css/bootstrap-theme.min.css"))'>
[error]                                                              ^
[error] four errors found
[error] (compile:compile) Compilation failed
[error] Could not create Eclipse project files:
[error] Error evaluating task 'dependencyClasspath': error

知道这里发生了什么吗？我需要在classpath中添加一些东西吗？