Mybatis 轻量级分页插件pageHelp

导入相关依赖

<dependencies>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>


    <!--*******************数据库相关**********************-->
    <!--jdbc-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-jdbc</artifactId>
    </dependency>
    <!-- mybatis-spring-boot-starter -->
    <dependency>
        <groupId>org.mybatis.spring.boot</groupId>
        <artifactId>mybatis-spring-boot-starter</artifactId>
        <version>2.2.0</version>
    </dependency>
    <!--mysql-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <scope>runtime</scope>
    </dependency>
    <!--lombok-->
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
    </dependency>
    <!--mybatis分页插件-->
    <dependency>
        <groupId>com.github.pagehelper</groupId>
        <artifactId>pagehelper</artifactId>
        <version>4.2.1</version>
    </dependency>


</dependencies>

Mybatis配置

@Configuration
public class MybatisConfig {
    /**
     * Mybatis分页插件的配置
     * @return
     */
    @Bean
    public PageHelper pageHelper() {
        PageHelper pageHelper = new PageHelper();
        Properties p = new Properties();
        p.setProperty("dialect", "Mysql");
        p.setProperty("offsetAsPageNum", "true");
        p.setProperty("rowBoundsWithCount", "true");
        pageHelper.setProperties(p);
        return pageHelper;
    }

}

PageHelper.startPage(pageNum, pageSize);

@RestController
public class UserController {

    @Autowired
    private UserMapper userMapper;

    @RequestMapping("/")
    public List<User> queryUserList(){
        PageHelper.startPage(1, 10);
        List<User> list = userMapper.queryUserList();
        return list;
    }
}