1.依赖引入
<dependency>
<groupId>cn.afterturn</groupId>
<artifactId>easypoi-base</artifactId>
<version>4.1.0</version>
</dependency>
<dependency>
<groupId>cn.afterturn</groupId>
<artifactId>easypoi-web</artifactId>
<version>4.1.0</version>
</dependency>
<dependency>
<groupId>cn.afterturn</groupId>
<artifactId>easypoi-annotation</artifactId>
<version>4.1.0</version>
</dependency>
2.封装easypoi工具类
```package com.wzz.utils;
import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.ExcelImportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import cn.afterturn.easypoi.excel.entity.ImportParams;
import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.web.multipart.MultipartFile;
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
@author pangu
*/
public class ExcelUtil {/**
- 导出工具类
- @param list
- @param title
- @param sheetName
- @param pojoClass
- @param fileName
- @param isCreateHeader
@param response
*/
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);
}/**
- 导出工具类
- @param list
- @param title
- @param sheetName
- @param pojoClass
- @param fileName
@param response
*/
public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass,String fileName,HttpServletResponse response){ExportParams exportParams = new ExportParams(title, sheetName);
exportParams.setStyle(ExcelStyleUtil.class);
defaultExport(list, pojoClass, fileName, response, exportParams);
}public static void exportExcel(List> list, String fileName, HttpServletResponse response){
defaultExport(list, fileName, response);
}private static void defaultExport(List<?> list, Class<?> pojoClass, String fileName,
HttpServletResponse response, ExportParams exportParams) {//TODO设置标题颜色
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> list, String fileName, HttpServletResponse response) {
Workbook workbook = ExcelExportUtil.exportExcel(list, ExcelType.HSSF);
if (workbook != null);
downLoadExcel(fileName, response, workbook);
}public static List importExcel(String filePath,Integer titleRows,Integer headerRows, Class pojoClass){
if (StringUtils.isBlank(filePath)){return null;}
ImportParams params = new ImportParams();
params.setTitleRows(titleRows);
params.setHeadRows(headerRows);
List 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 List importExcel(MultipartFile file, Integer titleRows, Integer headerRows, Class pojoClass){
if (file == null){ return null;
}
ImportParams params = new ImportParams();
params.setTitleRows(titleRows);
params.setHeadRows(headerRows);
List 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;
}
}
```
