octopus2158
octopus2158
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新人求教：@Autowired 如何知道具体绑定哪个Bean 代码很简单 控制器： @RestController public class DcbController { @Autowired private DcbService dcbService; @RequestMapping(value="/dcbAll") @ResponseBody public String showAll() { List dcbList = dcbService.findAll(); return dcbList.get(0).toString(); } } 两个dcbService的实现： @Component public class DcbServiceImpl implements DcbService{ @Autowired private DcbRepository dcbRepository; } **************** @Component public class DcbAcServiceImpl extends DcbService { } 问题是，@Autowired怎么知道具体注入哪个bean到 private DcbService dcbService
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