springboot整合jett实现模板excel数据导出
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一 jett的介绍
1.1 介绍
jett是使用Excel电子表格模板快速创建Excel电子表格报告的工具。
1.2 使用方式
1.使用$来标识我们需要填充的数据
2.使用<jt></jt> 遍历一个集合，我们对集合的每个元素取名为e ,每个元素的又可以使用$e.属性来进行获取。
导出数据：
二 jett的案例操作
2.1 模板案例
2.2 代码实现
1.工程结构
2.代码
package com.ljf.jett.demo.controller;
import com.ljf.jett.demo.model.Student;
import com.ljf.jett.demo.util.DateUtils;
import net.sf.jett.transform.ExcelTransformer;
import org.apache.poi.ss.usermodel.*;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URLEncoder;
import java.util.*;
/**
* @ClassName: SkMonthsReportController
* @Description: TODO 导出测试类
* @Author: liujianfu
* @Date: 2022/11/08 10:22:23
* @Version: V1.0
**/
@RestController
@CrossOrigin
@RequestMapping("/test")
public class SkMonthsReportController
@RequestMapping("/export")
public void exportDataForExcel(HttpServletResponse response)
Map<String, Object> resultMap = new HashMap<String, Object>();
resultMap.put("titleName","邵寨煤业公司选煤厂调度日报表");
resultMap.put("reportDate", DateUtils.dateToStr(new Date(),"yyyy-MM-dd"));
//中间列表
//当班量
Map<String,Object> currentDutyMap=new HashMap<>();
currentDutyMap.put("rxCoal",7664);
currentDutyMap.put("blockCoal",1576);
currentDutyMap.put("wyCoal",0);
currentDutyMap.put("wjCoal",3102);
currentDutyMap.put("zongCoal",693);
currentDutyMap.put("dryCoal",598);
currentDutyMap.put("wetCoal",1);
currentDutyMap.put("stone",0);
currentDutyMap.put("mark","");
resultMap.put("currentDutyMap",currentDutyMap);
//回收率
Map<String,Object> recycleMap=new HashMap<>();
recycleMap.put("rxCoal",7664);
recycleMap.put("blockCoal",1576);
recycleMap.put("wyCoal",0);
recycleMap.put("wjCoal",3102);
recycleMap.put("zongCoal",693);
recycleMap.put("dryCoal",598);
recycleMap.put("wetCoal",1);
recycleMap.put("stone",0);
recycleMap.put("mark","精煤产率61.04");
resultMap.put("recycleMap",recycleMap);
//月类量
Map<String,Object> monthMap=new HashMap<>();
monthMap.put("rxCoal",7664);
monthMap.put("blockCoal",1576);
monthMap.put("wyCoal",0);
monthMap.put("wjCoal",3102);
monthMap.put("zongCoal",693);
monthMap.put("dryCoal",598);
monthMap.put("wetCoal",1);
monthMap.put("stone",0);
monthMap.put("mark","");
resultMap.put("monthMap",monthMap);
//年累量
Map<String,Object> yearMap=new HashMap<>();
yearMap.put("rxCoal",7664);
yearMap.put("blockCoal",1576);
yearMap.put("wyCoal",0);
yearMap.put("wjCoal",3102);
yearMap.put("zongCoal",693);
yearMap.put("dryCoal",598);
yearMap.put("wetCoal",1);
yearMap.put("stone",0);
yearMap.put("mark","");
resultMap.put("yearMap",yearMap);
//汇总栏
resultMap.put("waitCoalTime",45.6);
resultMap.put("productTime",34.2);
resultMap.put("productCoalTime",1234.2);
//阐述
StringBuffer sb=new StringBuffer();
sb.append("1.主洗各筛机筛板、轨座及固定筛检查更换。\\r\\n");
sb.append("2.事故池更换508潜水泵。\\r\\n");
sb.append("3.主洗车间二楼372粗中煤泥刮板机紧固链条。\\r\\n");
sb.append("4.主洗车间三楼半307浅槽分选机紧固底板螺丝。\\r\\n");
sb.append("5.产品仓上804块精煤皮带更换挡皮。\\r\\n");
resultMap.put("checkItem",sb.toString());
//仓库
Map<String,Object> coalHouse=new HashMap<>();
coalHouse.put("yhouse",1);
coalHouse.put("j1house",2);
coalHouse.put("j2house",3);
coalHouse.put("y3house",4);
coalHouse.put("z4house",4);
coalHouse.put("b5house",5);
coalHouse.put("checkTime",DateUtils.dateToStr(new Date(),"yyyy-MM-dd"));
resultMap.put("coalHouse",coalHouse);
//煤质监测
//原煤质检
Map<String,Object> yCoalMap=new HashMap<>();
yCoalMap.put("water",10.8);
yCoalMap.put("gray",29.27);
yCoalMap.put("sulfur",0.39);
yCoalMap.put("energy",4681);
resultMap.put("yCoalMap",yCoalMap);
//块晶煤质检
Map<String,Object> blockCoalMap=new HashMap<>();
blockCoalMap.put("water",10.8);
blockCoalMap.put("gray",29.27);
blockCoalMap.put("sulfur",0.39);
blockCoalMap.put("energy",4681);
resultMap.put("blockCoalMap",blockCoalMap);
//未晶煤质检
Map<String,Object> wCoalMap=new HashMap<>();
wCoalMap.put("water",10.8);
wCoalMap.put("gray",29.27);
wCoalMap.put("sulfur",0.39);
wCoalMap.put("energy",4681);
resultMap.put("wCoalMap",wCoalMap);
//中煤质检
Map<String,Object> zongCoalMap=new HashMap<>();
zongCoalMap.put("water",10.8);
zongCoalMap.put("gray",29.27);
zongCoalMap.put("sulfur",0.39);
zongCoalMap.put("energy",4681);
resultMap.put("zongCoalMap",zongCoalMap);
//煤泥质检
Map<String,Object> niCoalMap=new HashMap<>();
niCoalMap.put("water",10.8);
niCoalMap.put("gray",29.27);
niCoalMap.put("sulfur",0.39);
niCoalMap.put("energy",4681);
resultMap.put("niCoalMap",niCoalMap);
//陨石质检
Map<String,Object> stoneCoalMap=new HashMap<>();
stoneCoalMap.put("water",10.8);
stoneCoalMap.put("gray",29.27);
stoneCoalMap.put("sulfur",0.39);
stoneCoalMap.put("energy",4681);
resultMap.put("stoneCoalMap",stoneCoalMap);
//生产统计
//晚上
Map<String,Object> nightMap=new HashMap<>();
nightMap.put("washTotal",2944);
nightMap.put("white",2);
nightMap.put("yellow",7);
nightMap.put("liquid",8);
resultMap.put("nightMap",nightMap);
//中午
Map<String,Object> pmMap=new HashMap<>();
pmMap.put("washTotal",2944);
pmMap.put("white",2);
pmMap.put("yellow",7);
pmMap.put("liquid",8);
resultMap.put("pmMap",pmMap);
//早上
Map<String,Object> amMap=new HashMap<>();
amMap.put("washTotal",2944);
amMap.put("white",2);
amMap.put("yellow",7);
amMap.put("liquid",8);
resultMap.put("amMap",amMap);
//消耗统计
//晚上
Map<String,Object> nightConsumeMap=new HashMap<>();
nightConsumeMap.put("blockTotal",2944);
nightConsumeMap.put("blockConsume",2);
resultMap.put("nightConsumeMap",nightConsumeMap);
//中午
Map<String,Object> pmConsumeMap=new HashMap<>();
pmConsumeMap.put("blockTotal",2944);
pmConsumeMap.put("blockConsume",2);
resultMap.put("pmConsumeMap",pmConsumeMap);
//早上
Map<String,Object> amConsumeMap=new HashMap<>();
amConsumeMap.put("blockTotal",2944);
amConsumeMap.put("blockConsume",2);
resultMap.put("amConsumeMap",amConsumeMap);
//最后阐述
resultMap.put("endMark","介耗数据每天自行调整，按0.01-0.03范围波动调整");
buildExcelReport( resultMap, response);
public void test()
List<Student> studentsList=new ArrayList<>();
// List<Map> studentsList=new ArrayList<>();
for(int k=0;k<5;k++)
studentsList.add(new Student(k,"张三"+k,(k+1)*2));
// resultMap.put("dataList",studentsList);
/**
* @author liujianfu
* @description 封装excel
* @date 2022/11/8 10:42
* @param [resultMap]
* @return void
*/
public void buildExcelReport(Map<String, Object> resultMap,HttpServletResponse response)
String modelFile="d:/10-model.xlsx";
try (InputStream is = new FileInputStream(new File(modelFile));)
Workbook workbook = new ExcelTransformer().transform(is, resultMap);
buildExcelDocument("邵寨10月_"+System.currentTimeMillis()+".xlsx", workbook, response);
catch (Exception e)
e.printStackTrace();
/**
* @author liujianfu
* @description 数据流的输出
* @date 2022/11/8 10:42
* @param [filename, workbook, response]
* @return void
*/
protected static void buildExcelDocument(String filename, Workbook workbook, HttpServletResponse response)
throws Exception
response.setHeader("Pragma", "no-cache");
response.setHeader("Cache-Control", "no-cache");
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, "utf-8"));
OutputStream outputStream = response.getOutputStream();
workbook.write(outputStream);
outputStream.flush();
outputStream.close();
3.导出效果
代码地址：
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