spring boot 接口service有多個實現類

接口.java

public interface DeService {

}

 

接口實現類1.java

@Service("ud")
public class DeServiceImplUD implements DeService{

}

 

接口實現類2.java

@Service("ug")
public class DeServiceImplUG implements DeService{

}

 

調用類.java

@Autowired
@Qualifier("ug")
private DeService ds;

 

============================以下取自網絡

@Resource, @Autowired, @Inject區別

@Inject:Struts2的注解

@Resource : J2EE提供,用於注入， 默認按名稱裝配，@Resource(name="beanName") 

@Autowired: Spring提供,用於注入，默認按類型裝配