测试类

@RunWith(SpringRunner.class)
@SpringBootTest(classes = HomeApplication.class)
public class TextController {
    @Autowired
    DepartmentsMapper departmentsMapper;

    @Test
    public void add() {
        Departments departments1 = new Departments();
        departments1.setId(1);
        departments1.setName("zhansus");
        departmentsMapper.insert(departments1);
        System.out.println("");
    }
}