test(String className,String methodName,Object... objs){
                Object obj = getObjectByClassName(className);
                Class[] classes = getClasses(objs);
                Method method = obj.getClass().getDeclaredMethod(methodName,
                        classes);
                method.setAccessible(true);
                return method.invoke(obj, objs);
}

Student u = new Student();
ABC xxx = new ABC();
xxx.test(u);
//改为
Proxy.test("com.xxx.yyy.ABC","test",u);