mybatis-plus 分页类型转换工具类

public IPage<TransparentGeologicalVO> pageList(TransparentGeologicalQueryDTO query) {

         IPage<TransparentGeological> page= this .lambdaQuery()

                 .like(StringUtil.isNotBlank(query.getName()),TransparentGeological::getName,query.getName())

                 .eq(Objects.nonNull(query.getWorkFaceId()),TransparentGeological::getWorkFaceId,query.getWorkFaceId())

                 .orderByDesc(TransparentGeological::getCreateTime)

                 .page(Condition.getPage(query));

         IPage<TransparentGeologicalVO> result= PageUtil.copy(page,TransparentGeologicalVO. class );

         result.getRecords().forEach(e->e.setWorkFaceName(WorkFaceCache.getWorkFaceName(e.getWorkFaceId())));

         return   result;

      }

<!-- mybatis-plus -->

         <dependency>

             <groupId>com.baomidou</groupId>

             <artifactId>mybatis-plus-boot-starter</artifactId>

             <version> 3.4 . 2 </version>

         </dependency>

import com.baomidou.mybatisplus.core.metadata.IPage;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;

import org.springblade.core.tool.utils.BeanUtil;

import java.util.List;

public class PageUtil {

     /**

      * @Description:转换为 IPage 对象

      * @Author: tarzan

      * @Date: 2019/10/31 9:40

      */

     public static <T, E> IPage<T> copy(IPage page, List<E> sourceList, Class<T> targetClazz) {

         IPage pageResult = new Page(page.getCurrent(),page.getSize(),page.getTotal());

         pageResult.setPages(page.getPages());

         List<T> records = BeanUtil.copy(sourceList, targetClazz);

         pageResult.setRecords(records);

         return pageResult;

     }

     public static <T, E> IPage<T> copy(IPage page, Class<T> targetClazz) {

         return copy(page,page.getRecords(),targetClazz);

}

import com.baomidou.mybatisplus.plugins.Page;

import com.sun.collierycommon.domain.PageParamDTO;

import com.sun.collierycommon.domain.PageResultDTO;

import java.util.List;

/**

  * @Description:分页工具类

  * @Author: tarzan

  * @Date: 2019/10/31 9:13

  */

public class SmartPaginationUtil {

     public static <T> PageResultDTO<T> convert2PageInfoDTO(Page<T> page) {

         PageResultDTO<T> result = new PageResultDTO<>();

         result.setPageNum(page.getCurrent());

         result.setPageSize(page.getSize());

         result.setTotal(Long.valueOf(page.getTotal()));

         result.setPages(page.getPages());

         result.setList(page.getRecords());

         return result;

     }

     public static <T> Page<T> convert2PageQueryInfo(PageParamDTO baseDTO) {

         Page<T> page = new Page<>();

         Boolean sort = baseDTO.getSort();

         if ( null != sort) {

             page.setAsc(sort);

         }

         if ( null != baseDTO.getSortField()){

             page.setOrderByField(baseDTO.getSortField());

         page.setCurrent(baseDTO.getPageNum());

         page.setSize(baseDTO.getPageSize());

         if ( null != baseDTO.getSearchCount()) {

             page.setSearchCount(baseDTO.getSearchCount());

         return page;

     /**

      * @Description:转换为 PageResultDTO 对象

      * @Author: sunboqiang

      * @Date: 2019/10/31 9:40

      */

     public static <T, E> PageResultDTO<T> convert2PageInfoDTO(Page page, List<E> sourceList, Class<T> targetClazz) {

         PageResultDTO pageResultDTO = setPage(page);

         List<T> records = SmartBeanUtil.copyList(sourceList, targetClazz);

         page.setRecords(records);

         pageResultDTO.setList(records);

         return pageResultDTO;

      * 转换为 PageResultDTO 对象

     public static <T, E> PageResultDTO<T> convert2PageInfoDTO(Page page, List<E> sourceList) {

         page.setRecords(sourceList);

         pageResultDTO.setList(sourceList);

     private static PageResultDTO setPage(Page page) {

         PageResultDTO pageResultDTO = new PageResultDTO();

         pageResultDTO.setPageNum(page.getCurrent());

         pageResultDTO.setPageSize(page.getSize());

         pageResultDTO.setTotal(Long.valueOf(page.getTotal()));

         pageResultDTO.setPages(page.getPages());

}

public ResponseDTO<PageResultDTO<ProductionDigProgressListVO>> list(ProductionDigProgressParamDTO param,SystemUserVo userVo){

     Page page= SmartPaginationUtil.convert2PageQueryInfo(param);

     EntityWrapper<ProductionDigProgressEntity> wrapper=  new EntityWrapper<>();

     wrapper.eq( "deleted" , DeletedEnum.NO_DELETED.getValue());

     wrapper.eq( "company_id" , userVo.getCompanyId());

     wrapper.like(StringUtils.isNotBlank(param.getName()), "name" ,param.getName());

     wrapper.like(StringUtils.isNotBlank(param.getTeamName()), "team_name" ,param.getTeamName());

     List<ProductionDigProgressListVO> pageList= Lists.newArrayList();

     List<ProductionDigProgressEntity> list= productionDigProgressDao.selectPage(page,wrapper);

     if (CollectionUtils.isNotEmpty(list)){

         pageList=SmartBeanUtil.copyList(list,ProductionDigProgressListVO. class );

     }

     return ResponseDTO.succData(SmartPaginationUtil.convert2PageInfoDTO(page,pageList));

}