95 lines
3.5 KiB
Java
95 lines
3.5 KiB
Java
package com.common;
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import com.constants.Constants;
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import lombok.Data;
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import org.springframework.beans.BeanUtils;
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import org.springframework.data.domain.Page;
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import com.github.pagehelper.PageInfo;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 公共分页对象
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* +----------------------------------------------------------------------
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* | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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* +----------------------------------------------------------------------
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* | Copyright (c) 2016~2020 https://www.crmeb.com All rights reserved.
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* +----------------------------------------------------------------------
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* | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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* +----------------------------------------------------------------------
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* | Author: CRMEB Team <admin@crmeb.com>
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* +----------------------------------------------------------------------
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*/
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@Data
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public class CommonPage<T> {
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private Integer page = Constants.DEFAULT_PAGE;
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private Integer limit = Constants.DEFAULT_LIMIT;
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private Integer totalPage = 0;
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private Long total = 0L ;
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private List<T> list = new ArrayList<>();
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/**
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* 将PageHelper分页后的list转为分页信息
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*/
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public static <T> CommonPage<T> restPage(List<T> list) {
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CommonPage<T> result = new CommonPage<T>();
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PageInfo<T> pageInfo = new PageInfo<T>(list);
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result.setTotalPage(pageInfo.getPages());
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result.setPage(pageInfo.getPageNum());
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result.setLimit(pageInfo.getPageSize());
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result.setTotal(pageInfo.getTotal());
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result.setList(pageInfo.getList());
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return result;
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}
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/**
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* 将SpringData分页后的list转为分页信息
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*/
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public static <T> CommonPage<T> restPage(Page<T> pageInfo) {
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CommonPage<T> result = new CommonPage<T>();
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result.setTotalPage(pageInfo.getTotalPages());
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result.setPage(pageInfo.getNumber());
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result.setLimit(pageInfo.getSize());
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result.setTotal(pageInfo.getTotalElements());
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result.setList(pageInfo.getContent());
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return result;
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}
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/**
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* 将PageHelper分页后的 PageInfo 转为分页信息
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*/
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public static <T> CommonPage<T> restPage(PageInfo<T> pageInfo) {
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CommonPage<T> result = new CommonPage<T>();
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result.setTotalPage(pageInfo.getPages());
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result.setPage(pageInfo.getPageNum());
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result.setLimit(pageInfo.getPageSize());
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result.setTotal(pageInfo.getTotal());
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result.setList(pageInfo.getList());
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return result;
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}
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/**
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* 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
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*/
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public static <T> PageInfo<T> copyPageInfo(com.github.pagehelper.Page originPageInfo, List<T> list) {
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PageInfo<T> pageInfo = new PageInfo<>(list);
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BeanUtils.copyProperties(originPageInfo, pageInfo, "list");
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return pageInfo;
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}
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/**
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* 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
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*/
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public static <T> PageInfo<T> copyPageInfo(PageInfo<?> originPageInfo, List<T> list) {
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PageInfo<T> pageInfo = new PageInfo<>(list);
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pageInfo.setPages(originPageInfo.getPages());
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pageInfo.setPageNum(originPageInfo.getPageNum());
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pageInfo.setPageSize(originPageInfo.getPageSize());
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pageInfo.setTotal(originPageInfo.getTotal());
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pageInfo.setList(list);
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return pageInfo;
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}
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}
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