<dependency> 
    <groupId>org.projectlombok</groupId> 
    <artifactId>lombok</artifactId> 
    <!--<version>1.18.12</version>--> 
</dependency>

@Data 
@AllArgsConstructor 
@NoArgsConstructor 
public class User { 
 
    private Long id; 
    private String name; 
    private String password; 
    private Integer age; 
    private String tel; 
 
}

IPage<T> selectPage (IPage<T> page, wrapper<T> querywrapper);

@SpringBootTest 
class Mybatisplus01QuickstartApplicationTests { 
 
    @Autowired 
    private UserDao userDao; 
 
    //分頁查詢 
    @Test 
    void testSelectPage(){ 
        //1 創(chuàng)建IPage分頁對象,設(shè)置分頁參數(shù),1為當(dāng)前頁碼，3為每頁顯示的記錄數(shù) 
        IPage<User> page=new Page<>(2,3); 
        //2 執(zhí)行分頁查詢 
        userDao.selectPage(page,null); 
        //3 獲取分頁結(jié)果 
        System.out.println("當(dāng)前頁碼值："+page.getCurrent()); 
        System.out.println("每頁顯示數(shù)："+page.getSize()); 
        System.out.println("一共多少頁："+page.getPages()); 
        System.out.println("一共多少條數(shù)據(jù)："+page.getTotal()); 
        System.out.println("數(shù)據(jù)："+page.getRecords()); 
    } 
}

@Configuration 
public class MybatisPlusConfig { 
 
    @Bean 
    public MybatisPlusInterceptor mybatisPlusInterceptor(){ 
        //1 創(chuàng)建MybatisPlusInterceptor攔截器對象 
        MybatisPlusInterceptor mpInterceptor=new MybatisPlusInterceptor(); 
        //2 添加分頁攔截器 
        mpInterceptor.addInnerInterceptor(new PaginationInnerInterceptor()); 
        return mpInterceptor; 
    } 
}

# 開啟mp的日志（輸出到控制臺）
mybatis-plus:
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl