2回答

• 

  慕仙1059526

  2019-10-30 23:52:50

  EMMMMMMMMMMMM，这就是一种

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• 

  CleverHeart

  2019-06-06 15:53:32

  第一种方法

  Car car = new Car();

  Class carClass = car.getClass();

  InvocationHandler timeHandler = new TimeHandler(car);

  Moveable proxy = (Moveable) Proxy.newProxyInstance(carClass.getClassLoader(), 

  carClass.getInterfaces(),timeHandler);

  InvocationHandler logHandler = new LogHandler(proxy);

  Moveable proxy2 =  (Moveable) Proxy.newProxyInstance(proxy.getClass().getClassLoader(),

  proxy.getClass().getInterfaces(), logHandler);

  proxy2.move();

  第二种方法
  

  Car car = new Car();

  InvocationHandler h = new TimeHandler(car);

  Class<?> cls = car.getClass();

  /**

  * loader  类加载器

  * interfaces  实现接口

  * h InvocationHandler

  */

  Moveable m = (Moveable)Proxy.newProxyInstance(cls.getClassLoader(),

  cls.getInterfaces(), h);

  InvocationHandler h2=new LogHandler(m);

  Class<?> clh=m.getClass();

  Moveable m2=(Moveable)Proxy.newProxyInstance(clh.getClassLoader(), 

  clh.getInterfaces(), h2);

  m2.move();

  其实都差不多。。。

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