在Spring+MyBatis框架下Junit测试时如果直接@Autowired ServiceImpl service 的话会报错:nullpointerexception;
需要在类上添加注解
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:spring-mybatis.xml"})
public class MybatisTest{
@Autowired
public UserMapper userMapper;
@Test
public void test(){
}
}