一、加分页插件依赖
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper-spring-boot-starter</artifactId>
<version>1.2.13</version>
</dependency>
二、配置分页插件,并配置相关属性:
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor">
<property name="supportMethodsArguments" value="true"/>
</plugin>
</plugins>
三、定义mapper,并在接口中定义页号和页大小(参数通常不能改)
<select id="selectCountry2" resultType="cn.edu.tju.domain.Country" >
select * from country
</select>
List<Country> selectCountry2(@Param("pageNum")int pageNum, @Param("pageSize")int pageSize);
四、调用时传入页号和页大小:
package cn.edu.tju.test;
import cn.edu.tju.domain.Country;
import cn.edu.tju.mapper.PersonMapper;
import com.github.pagehelper.PageHelper;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import java.io.IOException;
import java.util.List;
public class MyBatisTest10 {
public static void main(String[] args) throws IOException {
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(
Resources.getResourceAsStream("mybatis-config.xml"));
SqlSession sqlSession = sqlSessionFactory.openSession();
List<Country> countries = sqlSession.getMapper(PersonMapper.class).selectCountry2(1, 2);
System.out.println(countries.size());
System.out.println(countries);
}
}