springboot使用 poi 导入导出Excel工具类

转载的一个比较好用的工具类

import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
//Excel导入导出工具类
public class ExcelUtils {public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass, String fileName,boolean isCreateHeader, HttpServletResponse response) {ExportParams exportParams = new ExportParams(title, sheetName);exportParams.setCreateHeadRows(isCreateHeader);defaultExport(list, pojoClass, fileName, response, exportParams);}public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass, String fileName,HttpServletResponse response) {defaultExport(list, pojoClass, fileName, response, new ExportParams(title, sheetName));}public static void exportExcel(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {defaultExport(list, fileName, response);}private static void defaultExport(List<?> list, Class<?> pojoClass, String fileName, HttpServletResponse response,ExportParams exportParams) {Workbook workbook =  ExcelExportUtil.exportExcel(exportParams, pojoClass, list);if (workbook != null);downLoadExcel(fileName, response, workbook);}private static void downLoadExcel(String fileName, HttpServletResponse response, Workbook workbook) {try {response.setCharacterEncoding("UTF-8");response.setHeader("content-Type", "application/vnd.ms-excel");response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));workbook.write(response.getOutputStream());} catch (IOException e) {// throw new NormalException(e.getMessage());}}private static void defaultExport(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {Workbook workbook = ExcelExportUtil.exportExcel(list, ExcelType.XSSF);if (workbook != null);downLoadExcel(fileName, response, workbook);}public static <T> List<T> importExcel(String filePath, Integer titleRows, Integer headerRows, Class<T> pojoClass) {if (StringUtils.isBlank(filePath)) {return null;}ImportParams params = new ImportParams();params.setTitleRows(titleRows);params.setHeadRows(headerRows);List<T> list = null;try {list = ExcelImportUtil.importExcel(new File(filePath), pojoClass, params);} catch (NoSuchElementException e) {// throw new NormalException("模板不能为空");} catch (Exception e) {e.printStackTrace();// throw new NormalException(e.getMessage());}return list;}public static <T> List<T> importExcel(MultipartFile file, Integer titleRows, Integer headerRows,Class<T> pojoClass) {if (file == null) {return null;}ImportParams params = new ImportParams();params.setTitleRows(titleRows);params.setHeadRows(headerRows);List<T> list = null;try {list = ExcelImportUtil.importExcel(file.getInputStream(), pojoClass, params);} catch (NoSuchElementException e) {// throw new NormalException("excel文件不能为空");} catch (Exception e) {// throw new NormalException(e.getMessage());System.out.println(e.getMessage());}return list;}}

springboot使用 poi 导入导出Excel工具类相关推荐

Java导入导出Excel工具类ExcelUtil
前段时间做的分布式集成平台项目中,许多模块都用到了导入导出Excel的功能,于是决定封装一个ExcelUtil类,专门用来处理Excel的导入和导出本项目的持久化层用的是JPA(底层用hiberna ...
JAVA工具类(17)--Java导入导出Excel工具类ExcelUtil
实战导出就是将List转化为Excel(listToExcel) 导入就是将Excel转化为List(excelToList) 导入导出中会出现各种各样的问题,比如:数据源为空.有重复行等,我自定义 ...
使用阿里开源的EasyExcel导入导出EXCEL——工具类
工具类 package com.example.demo.util.excel;import com.alibaba.excel.EasyExcel; import com.alibaba.excel ...
poi/jxls导入/导出Excel工具类(支持2003和2007)
1.ExportUtil导出工具类(根据模板导出),支持2003/2007不同excel格式文件 package org.nercita.bcp.util;import java.io.FileInp ...
Java操作大数据量Excel导入导出万能工具类（完整版）
Java操作大数据量Excel导入导出万能工具类(完整版) 转载自:https://blog.csdn.net/JavaWebRookie/article/details/80843653 更新日志: ...
导出excel工具类
1.excel工具类代码如下 package com.spring.excel.utils; import org.apache.poi.hssf.usermodel.*; import org.ap ...
java导入导出excel_Java导入导出Excel工具 easyexcel
Java导入导出Excel工具 easyexcel 做Java开发的同学,尤其是做管理后台的同学绝大多数都会接触到报表系统,这时候就少不了Excel的导入和导出了.Java解析生成Excel比较有名 ...
POI导出Excel工具类（简单看完就会）
(一)POI介绍 Apache POI是Apache软件基金会的开源项目,POI提供API给Java程序对Microsoft Office格式档案读和写的功能. .NET的开发人员则可以利用NPOI ...
springboot+mybatisplus+thymeleaf导入导出excel表格和制作饼状图，柱状图
这是我们的项目结构. 我们导入的依赖. application.yml配置文件. goods实体类 type实体类 1.导出前端代码: JavaScript代码: 通过这里跳转到后端导出的工具 ...

springboot使用 poi 导入导出Excel工具类

springboot使用 poi 导入导出Excel工具类相关推荐

最新文章

热门文章