Java--动态代理

public interface Person{
    void thinking();
}

public class Student implements Person{
    @Override
    public void thinking(){
        System.out.println("Thinking in stduent!");
    }
}

public class MyInvocationHandler implements InvocationHandler{
    private Object object;
    public MyInvocationHandler(Object object){ this.object = object; }
 
    @Override
    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
        //通过反射调用被代理类的方法
        method.invoke(object, args);
        return null;
    }
}

public class Test{
    public static void main(String [] args){
        //需要先有一个被代理的类
        Student s = new Student();
        //创建代理类
        InvocationHandler handler = new MyInvocationHandler(s);
        //获得代理类的类加载器
        ClassLoder classLoder = handler.getClass().getClassLoader();
        //获得被代理类实现的接口
        Class<?>[] interfaces = s.getClass().getInterfaces();
        //生成代理对象
        Person proxy = (Person)Proxy.newProxyInstance(classLoder,interfaces,handler);
        
        //通过代理对象调用被代理类的方法
        proxy.thinking();
	}
}