java自定义before和after
package com.ada.wuliu.worker.web.cooperation.worker; public class TestOne { abstract class Father{ private int id; void before(){ id=1; System.out.println("before ---"+id); } void doSmThing(){ before();body(id);after(); } abstract void body(int id); void after(){ id=3; System.out.println("after ---"+id); } } class ChildOne extends Father{ @Override public void body(int id) { // TODO Auto-generated method stub System.out.println("ChildOne "+id); } } class ChildTwo extends Father{ @Override public void body(int id) { // TODO Auto-generated method stub id=2; System.out.println("ChildTwo ---"+id); } } void hehe(Father father){ father.doSmThing(); } public static void main(String[] args) { TestOne testOne=new TestOne(); TestOne.ChildOne childOne= testOne.new ChildOne(); testOne.hehe(childOne); } }