springboot如何成功注入JdbcTemplate的子类

Question

@Component

public class PaJdbcTemplate extends JdbcTemplate {

}

Answer 1

@Component
public class PaJdbcTemplate extends JdbcTemplate {

public PaJdbcTemplate(DataSource dataSource){
    super(dataSource);
    System.out.println("PaJdbcTemplate...................");
}

}

测试成功：
@Autowired
private PaJdbcTemplate jdbcTemplate;