cglib动态代理

public class  CglibProxy implements MethodInterceptor {

    private Object target;

    public Object createProxy(Object target) {
        this.target = target;
        Enhancer enhancer = new Enhancer();
        enhancer.setSuperclass(this.target.getClass());
        enhancer.setCallback(this);
        return enhancer.create();
    }

    @Override
    public Object intercept(Object obj, Method method, Object[] args,
                            MethodProxy methodProxy) throws Throwable {
        Object result =null ;
        System.out.println("事务开始");
        result = methodProxy.invokeSuper(obj, args);
        System.out.println("事务结束");
        return result;
    }

}