public class Testal {
    @Test
    //函数式 创建对象交给Spring 管理。
    public  void  Test2(){
        GenericApplicationContext te = new GenericApplicationContext();
        te.refresh();
        te.registerBean(Book.class,()-> new Book());
       Book b= (Book) te.getBean("Zhouxinhua.Book");
       System.out.println(b);
    }
}