org.yes.tools.page.CommonPage Maven / Gradle / Ivy
package org.yes.tools.page;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.github.pagehelper.PageInfo;
import lombok.Data;
import org.springframework.data.domain.Page;
import org.yes.tools.utils.BeanCopyUtils;
import java.util.ArrayList;
import java.util.List;
/**
* 公共分页对象
*/
@Data
public class CommonPage {
private Integer page = 1;
private Integer limit = 20;
private Integer totalPage = 0;
private Integer total = 0;
private List list = new ArrayList<>();
/**
* 将PageHelper分页后的list转为分页信息
*/
public static CommonPage restPage(List list) {
CommonPage result = new CommonPage();
PageInfo pageInfo = new PageInfo(list);
result.setTotalPage(pageInfo.getPages());
result.setPage(pageInfo.getPageNum());
result.setLimit(pageInfo.getPageSize());
result.setTotal((int) pageInfo.getTotal());
result.setList(pageInfo.getList());
return result;
}
/**
* 将SpringData分页后的list转为分页信息
*/
public static CommonPage restPage(Page pageInfo) {
CommonPage result = new CommonPage();
result.setTotalPage(pageInfo.getTotalPages());
result.setPage(pageInfo.getNumber());
result.setLimit(pageInfo.getSize());
result.setTotal((int) pageInfo.getTotalElements());
result.setList(pageInfo.getContent());
return result;
}
/**
* 将Mybatis-plus分页后的 IPage 转为分页信息
*/
public static CommonPage restPage(IPage pageInfo) {
CommonPage result = new CommonPage();
result.setTotalPage(Math.toIntExact(pageInfo.getPages()));
result.setPage(Math.toIntExact(pageInfo.getCurrent()));
result.setLimit(Math.toIntExact(pageInfo.getSize()));
result.setTotal((int) pageInfo.getTotal());
result.setList(pageInfo.getRecords());
return result;
}
public static void copyIPage(IPage siPage, IPage tiPage, Class tClass) {
if (siPage == null || tiPage == null) {
return;
}
tiPage.setCurrent(siPage.getCurrent());
tiPage.setPages(siPage.getPages());
tiPage.setSize(siPage.getSize());
tiPage.setTotal(siPage.getTotal());
List sList = siPage.getRecords();
List tList = BeanCopyUtils.copyListAs(sList, tClass);
tiPage.setRecords(tList);
}
/**
* 将PageHelper分页后的 PageInfo 转为分页信息
*
* @return
*/
public static CommonPage restPage(PageInfo pageInfo) {
CommonPage result = new CommonPage();
result.setTotalPage(pageInfo.getPages());
result.setPage(pageInfo.getPageNum());
result.setLimit(pageInfo.getPageSize());
result.setTotal((int) pageInfo.getTotal());
result.setList(pageInfo.getList());
return result;
}
/**
* 对象A复制对象B的分页信息 // TODO 多次数据查询导致分页数据异常解决办法
*/
public static PageInfo copyPageInfo(com.github.pagehelper.Page originPageInfo, List list) {
PageInfo pageInfo = new PageInfo<>(list);
BeanCopyUtils.copyProperties(originPageInfo, pageInfo, "list");
return pageInfo;
}
/**
* 对象A复制对象B的分页信息 //TODO 多次数据查询导致分页数据异常解决办法
*/
public static PageInfo copyPageInfo(PageInfo originPageInfo, List list) {
PageInfo pageInfo = new PageInfo<>(list);
pageInfo.setPages(originPageInfo.getPages());
pageInfo.setPageNum(originPageInfo.getPageNum());
pageInfo.setPageSize(originPageInfo.getPageSize());
pageInfo.setTotal(originPageInfo.getTotal());
pageInfo.setList(list);
return pageInfo;
}
}