Mybatis-Plus 多表联查分页的实现代码

@EnableTransactionManagement
@Configuration
@MapperScan("com.web.member.mapper")
public class MybatisPlusConfig {
  /**
   * mybatis-plus SQL执行效率插件【生产环境可以关闭】
   */
  @Bean
  public PerformanceInterceptor performanceInterceptor() {
    return new PerformanceInterceptor();
  }

  /*
   * 分页插件，自动识别数据库类型 多租户，请参考官网【插件扩展】
   */
  @Bean
  public PaginationInterceptor paginationInterceptor() {
    return new PaginationInterceptor();
  }
}

/**
 * <p>
 * 用户表 Mapper 接口
 * </p>
 *
 * @author 殷天文
 * @since 2018-06-01
 */
public interface UserMapper extends BaseMapper<User> {

  List<UserListModel> selectUserListPage(Pagination page ,@Param("user") UserListBean user);
  
}

  <select id="selectUserListPage" resultType="com.web.member.model.UserListModel">
    SELECT
      *
    FROM
      ftms_user u
    LEFT JOIN ftms_user_level l ON u.level_id = l.id
    WHERE 1=1
      <if test="user.nickname != null">
        and u.nickname like "%"#{user.nickname}"%" 
      </if>
  </select>

import com.web.member.beans.admin.UserListBean;
import com.web.member.entity.User;
import com.web.member.mapper.UserMapper;
import com.web.member.model.UserListModel;
import com.web.member.service.UserService;
import com.baomidou.mybatisplus.plugins.Page;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * <p>
 * 用户表 服务实现类
 * </p>
 *
 * @author 殷天文
 * @since 2018-06-01
 */
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {

  @Transactional(readOnly=true)
  @Override
  public Page<UserListModel> selectUserListPage(UserListBean user) {
    Page<UserListModel> page = new Page<>(user.getCurr(), user.getNums());// 当前页，总条数 构造 page 对象
    return page.setRecords(this.baseMapper.selectUserListPage(page, user));
  }
  
}

{
  "total": 48,//总记录
  "size": 10,//每页显示多少条
  "current": 1,//当前页
  "records": [//结果集 数组
    {...},
    {...},
    {...},
     ...
  ],
  "pages": 5 // 总页数
}