提示Could not find resource mybatis-config.xml

java.io.IOException: Could not find resource mybatis-config.xml

at org.apache.ibatis.io.Resources.getResourceAsStream(Resources.java:114)

at org.apache.ibatis.io.Resources.getResourceAsStream(Resources.java:100)

at org.apache.ibatis.io.Resources.getResourceAsReader(Resources.java:160)

at ParameterTest.getSqlSessionFactory(ParameterTest.java:23)

at ParameterTest.testAddStudent(ParameterTest.java:86)

at ParameterTest.main(ParameterTest.java:100)

Exception in thread "main" java.lang.NullPointerException

at ParameterTest.testAddStudent(ParameterTest.java:86)

at ParameterTest.main(ParameterTest.java:100)

import com.imooc.mybatis.bean.Person;
import com.imooc.mybatis.bean.Student;
import com.imooc.mybatis.dao.PersonMapper;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.Test;

import java.io.IOException;
import java.io.Reader;
import java.util.List;

public class ParameterTest {

    public static SqlSessionFactory sqlSessionFactory=null;

    public static SqlSessionFactory getSqlSessionFactory(){
        if(sqlSessionFactory==null){
            String resource = "mybatis-config.xml";
            try {
                Reader reader = Resources.getResourceAsReader(resource);
                sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
            } catch (IOException e) {
                e.printStackTrace();
            }

        }
        return sqlSessionFactory;
    }

    @Test
    public void deletePerson(){
        SqlSession sqlSession = getSqlSessionFactory().openSession();
        PersonMapper personMapper=sqlSession.getMapper(PersonMapper.class);
        personMapper.deletePerson(4);
        sqlSession.commit();
    }

    @Test
    public void testPersonByNameAndGender(){
        SqlSession sqlSession = getSqlSessionFactory().openSession();
        PersonMapper personMapper=sqlSession.getMapper(PersonMapper.class);
//        Map<String,Object> param = new HashMap<String, Object>();
//        param.put("name","wangwu");
//        param.put("gender","f");
        Person person = personMapper.getPersonByNameAndGender("wangwu","f");
        System.out.println(person);
    }

    @Test
    public void testCollection(){
        SqlSession sqlSession = getSqlSessionFactory().openSession();

        PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);

        Person person = personMapper.getPersonByCollection(new int[]{1,2});

        System.out.println(person);
    }

    @Test
    public void testForeach(){
        SqlSession sqlSession = getSqlSessionFactory().openSession();

        PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);

        List<Person> personList = personMapper.getPersonByIds(new int[]{1,2,3,4,5});

        System.out.println(personList);
    }

    @Test
    public void testBatchForExecutor(){
        SqlSession sqlSession = getSqlSessionFactory().openSession(ExecutorType.BATCH);
        PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);
        for (int i = 0; i < 1000; i++) {
            personMapper.addPerson(new Person("jack","jack@qq.com","male"));
        }
        sqlSession.commit();
    }


    public static void testAddStudent(){
        SqlSession sqlSession = getSqlSessionFactory().openSession(ExecutorType.BATCH);

        PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);

        for (int i = 0; i <10000 ; i++) {
            personMapper.addStudent(new Student("小明"+(i+1),"0901","初三",0514,"外号吴彦祖"));
        }

        sqlSession.commit();
        sqlSession.close();

    }

    public static void main(String[] args) {
        testAddStudent();
    }

}

麻烦老师看看,这可怎么办呀...