springboot分页pagehelper+mybatis plus实现分页示例代码

Spring Boot是一个能够极大简化Spring应用开发的框架，而PageHelper是MyBatis的分页插件，而MyBatis Plus则是MyBatis的增强工具包。SpringBoot整合PageHelper和MyBatis Plus可以简化分页操作，示例代码如下：

1.首先，在pom.xml文件中添加PageHelper和MyBatis Plus的依赖：

<dependency>
    <groupId>com.github.pagehelper</groupId>
    <artifactId>pagehelper-spring-boot-starter</artifactId>
    <version>最新版本号</version>
</dependency>

<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-boot-starter</artifactId>
    <version>最新版本号</version>
</dependency>

2.配置MyBatis Plus的分页插件

@Configuration
public class MybatisPlusConfig {

    @Autowired
    private DataSource dataSource;

    @Bean
    public PaginationInterceptor paginationInterceptor() {
        return new PaginationInterceptor();
    }

    @Bean
    public SqlSessionFactory sqlSessionFactory() throws Exception {
        MybatisSqlSessionFactoryBean sqlSessionFactory = new MybatisSqlSessionFactoryBean();
        sqlSessionFactory.setDataSource(dataSource);
        sqlSessionFactory.setPlugins(new Interceptor[]{paginationInterceptor()}); //添加分页插件
        return sqlSessionFactory.getObject();
    }
}

3.使用PageHelper的分页接口进行分页

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private UserMapper userMapper;

    @Override
    public Page<User> findUserList(Integer pageNum, Integer pageSize) {
        PageHelper.startPage(pageNum, pageSize);
        List<User> userList = userMapper.selectList(null);
        PageInfo<User> pageInfo = new PageInfo<>(userList);
        return pageInfo.toPageInfo();
    }
}

4.使用MyBatis Plus的分页接口进行分页

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private UserMapper userMapper;

    @Override
    public IPage<User> findUserList(Integer pageNum, Integer pageSize) {
        Page<User> page = new Page<>(pageNum, pageSize);
        return userMapper.selectPage(page, null);
    }
}

以上便是使用Spring Boot整合PageHelper和MyBatis Plus进行分页的示例代码。