可以通过setter来注入BussinessClass的对象实例。例如:Validator v = Validator.class.newInstance();v.setBussiness(bussinessObj);
@Autowiredprivate BussinessClass bc;
ApplicationContext ac = new FileSystemXmlApplicationContext("applicationContext.xml");ac.getBean("beanId");通过spring的context去取。http://www.blogjava.net/Todd/archive/2010/04/22/295112.html