Mybatis学习笔记（五）PageHelper

一、引入meaven依赖

<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.10</version>
</dependency>

二、在mybatis配置文件的<environments>前面加入配置插件

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


<environments>
........

三、使用pagehelper分页

interface StudentDao{

List<Student> select();

}

<select id="select" resultType = "com.demo.domain.Student">
select * from student order by id
</select>

PageHelper.startPage(1,3);
List<Student> students = dao.select();

参数说明：PageHelper.startPage(pageNum,PageSize);

pageNum：第几页，索引从1开始

PageSize：一页中拿多少行数据