初學SSM+mybatis單元測試遇到的問題，dao注入後爲

Dao層注入失敗，查看後，發現註解都寫的無誤，經朋友的指點，在測試類上加了一句“@RunWith(SpringJUnit4ClassRunner.class)

@ContextConfiguration(locations={“classpath:spring/applicationContext-tx.xml”,“classpath:spring/applicationContext-service.xml”,“classpath:spring/applicationContext-dao.xml”})”
經測試，Dao可以注入，不再爲null

@RunWith(SpringJUnit4ClassRunner.class)

@ContextConfiguration(locations={“classpath:spring/applicationContext-tx.xml”,“classpath:spring/applicationContext-service.xml”,“classpath:spring/applicationContext-dao.xml”})

public class TaskInfoTest {

@Autowired

TaskService taskService;

@Test

public void test(){

TaskInfo taskInfo = new TaskInfo();

taskInfo.setTid(2);

taskInfo.setTname(“taskname”);

taskInfo.setStatus(“成功”);

taskInfo.setBtime(“2018-10-12”);

taskInfo.setEtime(“2018-10-15”);

taskService.add(taskInfo);

}

}