Spring- 4註解裝配bean

1. 第一步在xml配置文件中掃描代碼
   

2. 第二步經行註解配置


3.測試代碼

  ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("bean/Annotation.xml");
        Dao db = context.getBean(Dao.class);
        db.sava();