Springboot分页插件使用实例解析

<!--分页 pagehelper -->
 <dependency>
    <groupId>com.github.pagehelper</groupId>
    <artifactId>pagehelper-spring-boot-starter</artifactId>
    <version>1.2.5</version>
  </dependency>
<dependency>
      <groupId>org.mybatis.spring.boot</groupId>
      <artifactId>mybatis-spring-boot-starter</artifactId>
      <version>2.1.1</version>
</dependency>

#pagehelper分页插件配置
pagehelper.helperDialect=mysql
pagehelper.reasonable=true
pagehelper.supportMethodsArguments=true
pagehelper.params=count=countSql

@Service
public class UserService2 {
  @Autowired
  private UserDao userDao;
  public PageInfo<User> queryAll(Integer page, Integer pageSize ){
    PageHelper.startPage(page,pageSize);//分页起始码以及每页页数
    List<User> users=userDao.selectAll();
    PageInfo pageInfo=new PageInfo(users);
    return pageInfo;
  }

@Controller
public class UserController2 {
  @Autowired
  private UserService2 userService2;

  @RequestMapping("queryAll")
  @ResponseBody
  public List<User> query(@RequestParam(value="page",defaultValue="1")Integer page, @RequestParam(value="pageSize",defaultValue="2")Integer pageSize){
    PageInfo<User> pageInfo=userService2.queryAll(page,pageSize);
    return pageInfo.getList();
  }
}