在IDEA通过Maven构建Scala项目

   <mirror>
    <id>alimaven</id>
    <name>aliyun maven</name>
    <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
    <mirrorOf>central</mirrorOf>       
    </mirror>

package com.dtiantai

/**
 * Hello world!
 *
 */
object App  {
  def main(args: Array[String]): Unit = {
    println( "Hello World!" )
  }

}