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原文地址: http://www.ptbird.cn/2016/07/19/scala-chuji-demo-14/

There I am,in the world more exciting!

by postbird

www.ptbird.cn



package com.ptbird.scala /** * Created by postbird on 2016/5/25. */ //AOP编程 trait Action{ def doAction } trait TBeforeAfter extends Action{ //这个函数乜有实现完整 必须使用 abstract and override abstract override def doAction: Unit ={ println("Initialization") super.doAction println("Destroyed") } } class Work extends Action { override def doAction ={ println("Working.........") } } object ClassAOPTest { def main(args: Array[String]): Unit = { val w =new Work with TBeforeAfter w.doAction // Initialization // Working......... // Destroyed //由于 TBeforeAfter 混入了 w 中,因此会执行TBeforeAfter 的 action } }