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spring会自动将IndexService 接口实现类 注入到map和set中
@Component
public class MyService {
@Autowired
private IndexService indexService;
@Autowired
private List<IndexInterface> indexList;
@Autowired
private Map<String, IndexInterface> indexMap;
@Autowired
private Set<IndexInterface> indexSet;
}
参照地址: https://www.cnblogs.com/zzq6032010/p/11605344.html | 
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