配置mybatis-config.xml
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor"></plugin>
</plugins>
加入Jar
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>1.2.5</version>
</dependency>
//serviceImpl中的类
public PageInfo<User> selectOptLog(int pageNum,int page){
PageHelper.startPage(pageNum,pageSize());
List<User> list=userMapper.selectAll();
PageInfo<UserLogDTO> pageInfo = new PageInfo<>(list);
return pageInfo;
}