A dynamic proxy class is a class that implements a list of interfaces specified at runtime such that a method invocation through one of the interfaces on an instance of the class will be encoded and dispatched to another object through a uniform interface
A dynamic proxy class is a class that implements a list of interfaces specified at runtime such that a method invocation through one of the interfaces on an instance of the class will be encoded and dispatched to another object through a uniform interface
也就是说要用动态代理，那么一个类的行为需要实现统一的一个或多个接口才能实现，当这个类实例的方法被调用的时候，可以对之进行一些拦截处理。