<dependency>
<groupId>org.apache.poigroupId>
<artifactId>poiartifactId>
<version>4.1.2version>
dependency>
/**
* 导出 Excel 表格
* @return
*/
@GetMapping("/export")
public ResponseEntity<byte[]> exportData() {
// 1.这一步就是查询你要导出的数据
List<Employee> employeeList = employeeService.getEmployees();
// 2.创建一个 POIUtils 工具类进行导出操作
return POIUtils.employee2Excel(employeeList);
}
import org.apache.poi.hpsf.DocumentSummaryInformation;
import org.apache.poi.hpsf.SummaryInformation;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.javaboy.vhr.bean.*;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;
/**
* Excel导入导出工具类
*/
public class POIUtils {
/**
* 导出数据 Excel
* @param list 要导出的数据
* @return
*/
public static ResponseEntity<byte[]> employee2Excel(List<Employee> list) {
//1. 创建一个 Excel 文档
HSSFWorkbook workbook = new HSSFWorkbook();
//2. 创建文档摘要
workbook.createInformationProperties();
//3. 获取并配置文档信息
DocumentSummaryInformation docInfo = workbook.getDocumentSummaryInformation();
//文档类别
docInfo.setCategory("员工信息");
//文档管理员
docInfo.setManager("javaboy");
//设置公司信息
docInfo.setCompany("www.javaboy.org");
//4. 获取文档摘要信息
SummaryInformation summInfo = workbook.getSummaryInformation();
//文档标题
summInfo.setTitle("员工信息表");
//文档作者
summInfo.setAuthor("javaboy");
// 文档备注
summInfo.setComments("本文档由 javaboy 提供");
//5. 创建样式
//创建标题行的样式
HSSFCellStyle headerStyle = workbook.createCellStyle();
headerStyle.setFillForegroundColor(IndexedColors.YELLOW.index);
headerStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
HSSFCellStyle dateCellStyle = workbook.createCellStyle();
dateCellStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("m/d/yy"));
HSSFSheet sheet = workbook.createSheet("员工信息表");
//设置列的宽度
sheet.setColumnWidth(0, 5 * 256);
sheet.setColumnWidth(1, 12 * 256);
sheet.setColumnWidth(2, 10 * 256);
sheet.setColumnWidth(3, 5 * 256);
sheet.setColumnWidth(4, 12 * 256);
sheet.setColumnWidth(5, 20 * 256);
sheet.setColumnWidth(6, 10 * 256);
sheet.setColumnWidth(7, 10 * 256);
sheet.setColumnWidth(8, 16 * 256);
sheet.setColumnWidth(9, 12 * 256);
sheet.setColumnWidth(10, 15 * 256);
sheet.setColumnWidth(11, 20 * 256);
sheet.setColumnWidth(12, 16 * 256);
sheet.setColumnWidth(13, 14 * 256);
sheet.setColumnWidth(14, 14 * 256);
sheet.setColumnWidth(15, 12 * 256);
sheet.setColumnWidth(16, 8 * 256);
sheet.setColumnWidth(17, 20 * 256);
sheet.setColumnWidth(18, 20 * 256);
sheet.setColumnWidth(19, 15 * 256);
sheet.setColumnWidth(20, 8 * 256);
sheet.setColumnWidth(21, 25 * 256);
sheet.setColumnWidth(22, 14 * 256);
sheet.setColumnWidth(23, 15 * 256);
sheet.setColumnWidth(24, 15 * 256);
//6. 创建标题行
HSSFRow r0 = sheet.createRow(0);
HSSFCell c0 = r0.createCell(0);
c0.setCellValue("编号");
c0.setCellStyle(headerStyle);
HSSFCell c1 = r0.createCell(1);
c1.setCellStyle(headerStyle);
c1.setCellValue("姓名");
HSSFCell c2 = r0.createCell(2);
c2.setCellStyle(headerStyle);
c2.setCellValue("工号");
HSSFCell c3 = r0.createCell(3);
c3.setCellStyle(headerStyle);
c3.setCellValue("性别");
HSSFCell c4 = r0.createCell(4);
c4.setCellStyle(headerStyle);
c4.setCellValue("出生日期");
HSSFCell c5 = r0.createCell(5);
c5.setCellStyle(headerStyle);
c5.setCellValue("身份证号码");
HSSFCell c6 = r0.createCell(6);
c6.setCellStyle(headerStyle);
c6.setCellValue("婚姻状况");
HSSFCell c7 = r0.createCell(7);
c7.setCellStyle(headerStyle);
c7.setCellValue("民族");
HSSFCell c8 = r0.createCell(8);
c8.setCellStyle(headerStyle);
c8.setCellValue("籍贯");
HSSFCell c9 = r0.createCell(9);
c9.setCellStyle(headerStyle);
c9.setCellValue("政治面貌");
HSSFCell c10 = r0.createCell(10);
c10.setCellStyle(headerStyle);
c10.setCellValue("电话号码");
HSSFCell c11 = r0.createCell(11);
c11.setCellStyle(headerStyle);
c11.setCellValue("联系地址");
HSSFCell c12 = r0.createCell(12);
c12.setCellStyle(headerStyle);
c12.setCellValue("所属部门");
HSSFCell c13 = r0.createCell(13);
c13.setCellStyle(headerStyle);
c13.setCellValue("职称");
HSSFCell c14 = r0.createCell(14);
c14.setCellStyle(headerStyle);
c14.setCellValue("职位");
HSSFCell c15 = r0.createCell(15);
c15.setCellStyle(headerStyle);
c15.setCellValue("聘用形式");
HSSFCell c16 = r0.createCell(16);
c16.setCellStyle(headerStyle);
c16.setCellValue("最高学历");
HSSFCell c17 = r0.createCell(17);
c17.setCellStyle(headerStyle);
c17.setCellValue("专业");
HSSFCell c18 = r0.createCell(18);
c18.setCellStyle(headerStyle);
c18.setCellValue("毕业院校");
HSSFCell c19 = r0.createCell(19);
c19.setCellStyle(headerStyle);
c19.setCellValue("入职日期");
HSSFCell c20 = r0.createCell(20);
c20.setCellStyle(headerStyle);
c20.setCellValue("在职状态");
HSSFCell c21 = r0.createCell(21);
c21.setCellStyle(headerStyle);
c21.setCellValue("邮箱");
HSSFCell c22 = r0.createCell(22);
c22.setCellStyle(headerStyle);
c22.setCellValue("合同期限(年)");
HSSFCell c23 = r0.createCell(23);
c23.setCellStyle(headerStyle);
c23.setCellValue("合同起始日期");
HSSFCell c24 = r0.createCell(24);
c24.setCellStyle(headerStyle);
c24.setCellValue("合同终止日期");
//7.循环你的集合进行存储数据
for (int i = 0; i < list.size(); i++) {
Employee emp = list.get(i);
HSSFRow row = sheet.createRow(i + 1);
row.createCell(0).setCellValue(emp.getId());
row.createCell(1).setCellValue(emp.getName());
row.createCell(2).setCellValue(emp.getWorkID());
row.createCell(3).setCellValue(emp.getGender());
// 时间类型参数设置
HSSFCell cell4 = row.createCell(4);
cell4.setCellStyle(dateCellStyle);
cell4.setCellValue(emp.getBirthday());
row.createCell(5).setCellValue(emp.getIdCard());
row.createCell(6).setCellValue(emp.getWedlock());
row.createCell(7).setCellValue(emp.getNation().getName());
row.createCell(8).setCellValue(emp.getNativePlace());
row.createCell(9).setCellValue(emp.getPoliticsstatus().getName());
row.createCell(10).setCellValue(emp.getPhone());
row.createCell(11).setCellValue(emp.getAddress());
row.createCell(12).setCellValue(emp.getDepartment().getName());
row.createCell(13).setCellValue(emp.getJobLevel().getName());
row.createCell(14).setCellValue(emp.getPosition().getName());
row.createCell(15).setCellValue(emp.getEngageForm());
row.createCell(16).setCellValue(emp.getTiptopDegree());
row.createCell(17).setCellValue(emp.getSpecialty());
row.createCell(18).setCellValue(emp.getSchool());
// 时间类型参数设置
HSSFCell cell19 = row.createCell(19);
cell19.setCellStyle(dateCellStyle);
cell19.setCellValue(emp.getBeginDate());
row.createCell(20).setCellValue(emp.getWorkState());
row.createCell(21).setCellValue(emp.getEmail());
row.createCell(22).setCellValue(emp.getContractTerm());
// 时间类型参数设置
HSSFCell cell23 = row.createCell(23);
cell23.setCellStyle(dateCellStyle);
cell23.setCellValue(emp.getBeginContract());
// 时间类型参数设置
HSSFCell cell24 = row.createCell(24);
cell24.setCellStyle(dateCellStyle);
cell24.setCellValue(emp.getEndContract());
// 时间类型参数设置
HSSFCell cell25 = row.createCell(25);
cell25.setCellStyle(dateCellStyle);
cell25.setCellValue(emp.getConversionTime());
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
HttpHeaders headers = new HttpHeaders();
try {
headers.setContentDispositionFormData("attachment", new String("员工表.xls".getBytes("UTF-8"), "ISO-8859-1"));
headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
workbook.write(baos);
} catch (IOException e) {
e.printStackTrace();
}
return new ResponseEntity<byte[]>(baos.toByteArray(), headers, HttpStatus.CREATED);
}
}
<el-button size="small" type="success" icon="el-icon-download" @click="exportData">导出数据el-button>
exportData() {
// 去请求后端接口进行导出数据
window.open("/employee/basic/export", "_parent");
}
文中所用技术或许与你所用的技术不一样,但是稍稍修改也是也可实现Excel导出功能的,这个其实没有什么技术点,代码又不需要死记硬背,要用的时候拿过来用即可,如果各位看官有什么问题,评论区留言或者私信我,我都会回复你的。