一个接口,两个实现类
接口:
public interface TestService { void test(); }
两个实现类
@Component("testOService")
public class TestOService implements TestService {
@Override
public void test() {
System.out.println("testOService");
}
}
@Component("testTwoService")
public class TestTwoService implements TestService {
@Override
public void test() {
System.out.println("testTwoService");
}
}
查看:
@Service public class UserInfoService { @Autowired private Map<String ,TestService> testServiceMap; @PostConstruct public void init(){ testServiceMap.get("testOService").test(); testServiceMap.get("testTwoService").test(); } }

spring注入map,spring注入一个接口的多个实现类在map里
原文:https://www.cnblogs.com/liran123/p/13039283.html