Mybatis框架扩展（六）

<!-- PageHelper分页依赖 -->
    <dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper</artifactId>
      <version>5.2.0</version>
    </dependency>

<plugins>
    <plugin interceptor="com.github.pagehelper.PageInterceptor"/>
</plugins>

@Test
    public void testSelectAll(){
        SqlSession sqlSession = MyBatisUtils.getSqlSession();
        StudentDao dao = sqlSession.getMapper(StudentDao.class);
        /**
         * pageNum:第几页，从1开始
         * pageSize:一页中有多少行数据
         */
        PageHelper.startPage(1,3);
        List<Student> students = dao.selectAll();
        for(Student stu:students){
            System.out.println("学生是" + stu);
        }
        sqlSession.close();
    }