Java基本知识

 1 Enhancer enhancer = new Enhancer();
 2 enhancer.setSuperclass(SampleClass.class);
 3 enhancer.setCallback(new MethodInterceptor() {
 4     @Override
 5     public Object intercept(Object obj,Method method,Object[] args,MethodProxy proxy) throws Throwable {
 6         System.out.println("before method run...");
 7         Object result = proxy.invokeSuper(obj,args);
 8         System.out.println("after method run...");
 9         return result;
10     }
11 });
12 SampleClass sample = (SampleClass) enhancer.create();
13 sample.test();