用的是SSM框架,字段根据自己的业务需求改

1.前台页面

导出

/*导出按钮提交*/

function downloadExcel(){

$("#dynamicDownload").submit();

}

2.后台相关代码

import org.apache.poi.hssf.usermodel.HSSFCellStyle;

import org.apache.poi.hssf.usermodel.HSSFFont;

import org.apache.poi.hssf.usermodel.HSSFRow;

import org.apache.poi.hssf.usermodel.HSSFSheet;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

/**

* 导出考勤记录

* @param request

* @param response

* @param model

*/

@RequestMapping(value="downloadExcel")

public void downLoadExcel(HttpServletRequest request,HttpServletResponse response,Model model){

try{

//1-查出要导出的数据

String user_id = request.getSession().getAttribute("user_id").toString();//获取保存登陆信息的员工id

HashMap paramMap = new HashMap();

String date_start1 = request.getParameter("inpstart");

String date_end1 = request.getParameter("inpend");

String userORname1 = request.getParameter("userORname");

String PART_NAME1 = request.getParameter("dId");

paramMap.put("date_start", date_start1);

paramMap.put("date_end", date_end1);

paramMap.put("userORname", userORname1);

paramMap.put("PART_NAME", PART_NAME1);

List> sourceRecordList=sourceRecordService.selectSourceRecordNotpage(paramMap);

//第一步，创建一个webbook，对应一个Excel文件

HSSFWorkbook wk = new HSSFWorkbook();

//第二步,创建一个sheet表对象,创建row对象，getExcelStyle1是一个创建模板的方法,最后面有

HSSFSheet sheet = getExcelStyle1(wk,"考勤信息表");

HSSFRow row;

HSSFCellStyle style = wk.createCellStyle();

HSSFFont font = wk.createFont();

font.setFontName("微软雅黑");

font.setFontHeightInPoints((short)15);

style.setFont(font);

style.setAlignment(HSSFCellStyle.ALIGN_CENTER);

//第三步,查询出表内容放到map中

SimpleDateFormat sdf_out = new SimpleDateFormat("yyyyMMdd");

String time_out = sdf_out.format(new Date());

String srcPath=request.getSession().getServletContext().getRealPath("")+"/考勤信息"+time_out+".xls";//设置将excel数据上传至服务器的路径

for(int i=0;i

row=sheet.createRow(i+1);//从第二行还是导入数据

String USER_ID = sourceRecordList.get(i).get("USER_ID").toString();//查询列表中获取所需字段数据

String USER_NAME = sourceRecordList.get(i).get("USER_NAME").toString();

String PART_NAME = sourceRecordList.get(i).get("PART_NAME").toString();

String ATTENDANCETEAM_NAME = sourceRecordList.get(i).get("ATTENDANCETEAM_NAME").toString();

String POST_NAME = sourceRecordList.get(i).get("POST_NAME").toString();

String ATTENDANCE_DATE = sourceRecordList.get(i).get("ATTENDANCE_DATE").toString();

String ATTENDANCE_TIME = sourceRecordList.get(i).get("ATTENDANCE_TIME").toString();

String EQUIPMENT_ADDRESS = sourceRecordList.get(i).get("EQUIPMENT_ADDRESS").toString();

if(USER_ID !=null){

row.createCell((short)0).setCellValue(USER_ID);

}else{

row.createCell((short)0).setCellValue("");

}

if(USER_NAME !=null){

row.createCell((short)1).setCellValue(USER_NAME);

}else{

row.createCell((short)1).setCellValue("");

}

if(PART_NAME !=null){

row.createCell((short)2).setCellValue(PART_NAME);

}else{

row.createCell((short)2).setCellValue("");

}

if(ATTENDANCETEAM_NAME !=null){

row.createCell((short)3).setCellValue(ATTENDANCETEAM_NAME);

}else{

row.createCell((short)3).setCellValue("");

}

if(POST_NAME !=null){

row.createCell((short)4).setCellValue(POST_NAME);

}else{

row.createCell((short)4).setCellValue("");

}

if(ATTENDANCE_DATE !=null){

row.createCell((short)5).setCellValue(ATTENDANCE_DATE);

}else{

row.createCell((short)5).setCellValue("");

}

if(ATTENDANCE_TIME !=null){

row.createCell((short)6).setCellValue(ATTENDANCE_TIME);

}else{

row.createCell((short)6).setCellValue("");

}

if(EQUIPMENT_ADDRESS !=null){

row.createCell((short)7).setCellValue(EQUIPMENT_ADDRESS);

}else{

row.createCell((short)7).setCellValue("");

}

}

try {

FileOutputStream fout = new FileOutputStream(srcPath);//创建一个服务器管道地址

wk.write(fout);//把excel数据写到服务器中

//读服务器中的数据

File exportFile = new File(srcPath);

FileInputStream fs=null;

//告诉浏览器这次请求是一个下载的数据流

response.setContentType("APPLICATION/OCTET-STREAM");

fs=new FileInputStream(exportFile);

//ExportUtil是一个下载的工具类,后面会有

ExportUtil.download(response, fs, "考勤信息-"+time_out+".xls",null);

} catch (Exception e) {

e.printStackTrace();

}

}catch(Exception e){

e.printStackTrace();

}

}

}

/**

* 创建一个excel模板:里面有表头信息

*/

public HSSFSheet getExcelStyle1(HSSFWorkbook wk,String name){

HSSFSheet sheet = wk.createSheet(name);

//设置表的样式 新加一行

HSSFRow row1 = sheet.createRow((int) 0);

HSSFCellStyle style1 = wk.createCellStyle();

style1.setAlignment(HSSFCellStyle.ALIGN_CENTER);

HSSFFont font1 = wk.createFont();

font1.setFontName("微软雅黑");

font1.setFontHeightInPoints((short)12);

style1.setFont(font1);

row1.createCell((short)0).setCellValue("工号");

row1.createCell((short)1).setCellValue("姓名");

row1.createCell((short)2).setCellValue("部门");

row1.createCell((short)3).setCellValue("所属考勤组");

row1.createCell((short)4).setCellValue("岗位名称");

row1.createCell((short)5).setCellValue("日期");

row1.createCell((short)6).setCellValue("打卡时间");

row1.createCell((short)7).setCellValue("设备地址");

return sheet;

}

ExportUtil 下载的工具类

import java.io.BufferedInputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStream;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;

import org.apache.commons.lang.StringUtils;

public class ExportUtil {

/**

* 导出文件

*

* @param response

* @param file

* 导出文件

* @param name

* @param contentType

* @throws IOException

*/

public static void download(HttpServletResponse response, File file,

String name, String contentType) throws IOException {

String fileName = StringUtils.isBlank(name) ? file.getName() : name;

download(response, new FileInputStream(file), fileName, contentType);

}

/**

* 下载数据/文件

*

* @param response

* HTTP输出

* @param inputStream

* 文件流

* @param fileName

* 文件名

* @param contentType

* ContentType in HTTP Header

* @throws IOException

* IO异常

*/

public static void download(HttpServletResponse response,

InputStream inputStream, String fileName, String contentType)

throws IOException {

response.setContentType(StringUtils.isEmpty(contentType) ? "application/octet-stream"

: contentType);

response.setHeader("Content-Disposition", "attachment;filename="

+ new String(fileName.getBytes("gbk"), "ISO-8859-1"));

response.setStatus(HttpServletResponse.SC_OK);

BufferedInputStream reader = null;

try {

reader = new BufferedInputStream(inputStream);

IOUtils.copy(reader, response.getOutputStream());

} finally {

if (reader != null) {

reader.close();

}

if (inputStream != null) {

inputStream.close();

}

}

}

}