hello/libraries/project1

hello/build.sbt

lazy val base = (project in file("libraries/base"))

lazy val project1 = (project in file("libraries/project1")).dependsOn(base)

lazy val root = (project in file("."))
  .enablePlugins(...)
  .disablePlugins(...)
  .settings(
    ...
  )
  .aggregate(base,project1)
  .dependsOn(base,base)

  
idea
build / sync 
右键 reload sbt project 

sbt 面板   ， 右键 reload sbt project 

sbt 面板 可查看 各个项目的 依赖 


搞完之后 源码目录会变颜色  
Hello.scala  代码里 会出现 运行 按钮

源码目录 浅蓝色