EasyExcel设置表头上面的那种大标题（前端传递来的大标题）

码字哥2024-12-13 1:39

1、首先得先引用easyExcel的版本依赖，我那

java 复制代码 
<dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>easyexcel</artifactId>
   <version>2.2.6</version>
</dependency>

2、然后得弄直接的实体类，（这个实体类是关键，主要的功能就是为了导出的表头还有大标题做准备）

解释： @ExcelProperty(value ={"${bigHead}","区划名称"},index = 0)

这个主要 ${bigHead} 这个是 大标题 ，这个标题是动态生成的，

java 复制代码 
package com.inspur.grp.hrss.labour.project.labourReport;

import com.alibaba.excel.annotation.ExcelIgnore;
import com.alibaba.excel.annotation.ExcelProperty;
import com.inspur.grp.hrss.labour.framework.base.BaseDomain;
import lombok.EqualsAndHashCode;

/**
 * 每日更新统计记录（这个是是抽取出来的）对象 labour_day_updatetime
 *
 */
@EqualsAndHashCode
public class LabourDayUpdatetime extends BaseDomain {
    /** 主键 */
    @ExcelIgnore
    private String id;
    @ExcelProperty(value ={"${bigHead}","区划名称"},index = 0)
    private String mc;

    /** 区的编码 */
    @ExcelIgnore
    private String area;

    /** 镇的编码 */
    @ExcelIgnore
    private String town;

    /** 村的编码 */
    @ExcelIgnore
    private String community;

    /** 就业去向 */
    @ExcelIgnore
    private String employDestination;

    /** 人员类别 */
    @ExcelIgnore
    private String category;

    /** 是否就业 */
    @ExcelIgnore
    private String isEmployed;

    /** 农村劳动力人数 */
    @ExcelProperty(value ={"${bigHead}","农村劳动力人数"},index = 1)
    private String ncldlrs;

    /** 更新人数 */
    @ExcelProperty(value ={"${bigHead}","农村劳动力更新人数"},index = 2)
    private String gxrsa;

    @ExcelProperty(value ={"${bigHead}","更新率"},index = 3)
    private String gxla;

    /** 就业人数 */
    @ExcelProperty(value ={"${bigHead}","就业人数"},index = 4)
    private String jyrsa;

    @ExcelProperty(value ={"${bigHead}","国外务工(劳动力)"},index = 5)
    private String guowaiwug;

    @ExcelProperty(value ={"${bigHead}","省外务工(劳动力)"},index = 6)
    private String shengwai;

    @ExcelProperty(value ={"${bigHead}","省外市内务工(劳动力)"},index = 7)
    private String shiwaishengnei;

    @ExcelProperty(value ={"${bigHead}","县外市内务工(劳动力)"},index = 8)
    private String xianwaishinwug;

    @ExcelProperty(value ={"${bigHead}","乡(镇)外县内务工(劳动力)"},index = 9)
    private String xiangzhenwaixianneiwug;
    @ExcelProperty(value ={"${bigHead}","乡(镇)内务工(劳动力)"},index = 10)
    private String xiangzhennwug;
    @ExcelProperty(value ={"${bigHead}","就业率(劳动力)"},index = 11)
    private String jyla;

    /** 脱贫劳动力人数 */
    @ExcelProperty(value ={"${bigHead}","脱贫劳动力人数"},index = 12)
    private String tpldlrs;

    @ExcelProperty(value ={"${bigHead}","更新人数(脱贫)"},index = 13)
    private String gxrsb;

    @ExcelProperty(value ={"${bigHead}","更新率(脱贫)"},index = 14)
    private String gxlb;

    @ExcelProperty(value ={"${bigHead}","就业人数(脱贫)"},index = 15)
    private String jyrsb;

    @ExcelProperty(value ={"${bigHead}","国外务工(脱贫)"},index = 16)
    private String tpguowaiwug;
    @ExcelProperty(value ={"${bigHead}","省外务工(脱贫)"},index = 17)
    private String tpshengwai;

    @ExcelProperty(value ={"${bigHead}","市外省内务工(脱贫)"},index = 18)
    private String tpshiwaishengnei;

    @ExcelProperty(value ={"${bigHead}","县外市内务工(脱贫)"},index = 19)
    private String tpxianwaishinwug;
    @ExcelProperty(value ={"${bigHead}","乡(镇)外县内务工(脱贫)"},index = 20)
    private String tpxiangzhenwaixianneiwug;
    @ExcelProperty(value ={"${bigHead}","乡(镇)内务工(脱贫)"},index = 21)
    private String tpxiangzhennwug;

    @ExcelProperty(value ={"${bigHead}","就业率(脱贫)"},index = 22)
    private String jylb;

    @ExcelProperty(value ={"${bigHead}","易迁劳动力人数"},index = 23)
    private String yqldlrs;

    @ExcelProperty(value ={"${bigHead}","更新人数(易迁)"},index = 24)
    private String gxrsc;

    @ExcelProperty(value ={"${bigHead}","更新率(易迁)"},index = 25)
    private String gxlc;
    @ExcelProperty(value ={"${bigHead}","就业人数(易迁)"},index = 26)
    private String jyrsc;

    @ExcelProperty(value ={"${bigHead}","国外务工(易迁)"},index = 27)
    private String yqguowaiwug;
    @ExcelProperty(value ={"${bigHead}","省外务工(易迁)"},index = 28)
    private String yqshengwai;

    @ExcelProperty(value ={"${bigHead}","市外省内(易迁)"},index = 29)
    private String yqshiwaishengnei;

    @ExcelProperty(value ={"${bigHead}","县外市内务工(易迁)"},index = 30)
    private String yqxianwaishinwug;
    @ExcelProperty(value ={"${bigHead}","乡(镇)外县内务工(易迁)"},index = 31)
    private String yqxiangzhenwaixianneiwug;
    @ExcelProperty(value ={"${bigHead}","乡(镇)内务工(易迁)"},index = 32)
    private String yqxiangzhennwug;



    @ExcelProperty(value ={"${bigHead}","就业率(易迁)"},index = 33)
    private String jylc;

    @ExcelProperty(value ={"${bigHead}","未更新的人数"},index = 34)
    private String xtzwgxdldlrs;

    public String getMc() {
        return mc;
    }

    public void setMc(String mc) {
        this.mc = mc;
    }

    public String getGxla() {
        return gxla;
    }

    public void setGxla(String gxla) {
        this.gxla = gxla;
    }

    public String getJyla() {
        return jyla;
    }

    public void setJyla(String jyla) {
        this.jyla = jyla;
    }

    public String getGxlb() {
        return gxlb;
    }

    public void setGxlb(String gxlb) {
        this.gxlb = gxlb;
    }

    public String getJylb() {
        return jylb;
    }

    public void setJylb(String jylb) {
        this.jylb = jylb;
    }

    public String getGxlc() {
        return gxlc;
    }

    public void setGxlc(String gxlc) {
        this.gxlc = gxlc;
    }

    public String getJylc() {
        return jylc;
    }

    public void setJylc(String jylc) {
        this.jylc = jylc;
    }

    public String getXtzwgxdldlrs() {
        return xtzwgxdldlrs;
    }

    public void setXtzwgxdldlrs(String xtzwgxdldlrs) {
        this.xtzwgxdldlrs = xtzwgxdldlrs;
    }

    public void setId(String id)
    {
        this.id = id;
    }

    public String getId() 
    {
        return id;
    }



    public void setArea(String area)
    {
        this.area = area;
    }

    public String getArea() 
    {
        return area;
    }

    public void setTown(String town) 
    {
        this.town = town;
    }

    public String getTown() 
    {
        return town;
    }
    public void setCommunity(String community) 
    {
        this.community = community;
    }

    public String getCommunity() 
    {
        return community;
    }
    public void setEmployDestination(String employDestination) 
    {
        this.employDestination = employDestination;
    }

    public String getEmployDestination() 
    {
        return employDestination;
    }
    public void setCategory(String category) 
    {
        this.category = category;
    }

    public String getCategory() 
    {
        return category;
    }
    public void setIsEmployed(String isEmployed) 
    {
        this.isEmployed = isEmployed;
    }

    public String getIsEmployed() 
    {
        return isEmployed;
    }
    public void setNcldlrs(String ncldlrs) 
    {
        this.ncldlrs = ncldlrs;
    }

    public String getNcldlrs() 
    {
        return ncldlrs;
    }
    public void setGxrsa(String gxrsa) 
    {
        this.gxrsa = gxrsa;
    }

    public String getGxrsa() 
    {
        return gxrsa;
    }
    public void setJyrsa(String jyrsa) 
    {
        this.jyrsa = jyrsa;
    }

    public String getJyrsa() 
    {
        return jyrsa;
    }
    public void setTpldlrs(String tpldlrs) 
    {
        this.tpldlrs = tpldlrs;
    }

    public String getTpldlrs() 
    {
        return tpldlrs;
    }
    public void setGxrsb(String gxrsb) 
    {
        this.gxrsb = gxrsb;
    }

    public String getGxrsb() 
    {
        return gxrsb;
    }
    public void setJyrsb(String jyrsb) 
    {
        this.jyrsb = jyrsb;
    }

    public String getJyrsb() 
    {
        return jyrsb;
    }
    public void setYqldlrs(String yqldlrs) 
    {
        this.yqldlrs = yqldlrs;
    }

    public String getYqldlrs() 
    {
        return yqldlrs;
    }
    public void setGxrsc(String gxrsc) 
    {
        this.gxrsc = gxrsc;
    }

    public String getGxrsc() 
    {
        return gxrsc;
    }
    public void setJyrsc(String jyrsc) 
    {
        this.jyrsc = jyrsc;
    }

    public String getJyrsc() 
    {
        return jyrsc;
    }
    public void setShengwai(String shengwai) 
    {
        this.shengwai = shengwai;
    }

    public String getShengwai() 
    {
        return shengwai;
    }
    public void setShiwaishengnei(String shiwaishengnei) 
    {
        this.shiwaishengnei = shiwaishengnei;
    }

    public String getShiwaishengnei() 
    {
        return shiwaishengnei;
    }
    public void setTpshengwai(String tpshengwai) 
    {
        this.tpshengwai = tpshengwai;
    }

    public String getTpshengwai() 
    {
        return tpshengwai;
    }
    public void setTpshiwaishengnei(String tpshiwaishengnei) 
    {
        this.tpshiwaishengnei = tpshiwaishengnei;
    }

    public String getTpshiwaishengnei() 
    {
        return tpshiwaishengnei;
    }
    public void setYqshengwai(String yqshengwai) 
    {
        this.yqshengwai = yqshengwai;
    }

    public String getYqshengwai() 
    {
        return yqshengwai;
    }
    public void setYqshiwaishengnei(String yqshiwaishengnei) 
    {
        this.yqshiwaishengnei = yqshiwaishengnei;
    }

    public String getYqshiwaishengnei() 
    {
        return yqshiwaishengnei;
    }
    public void setGuowaiwug(String guowaiwug) 
    {
        this.guowaiwug = guowaiwug;
    }

    public String getGuowaiwug() 
    {
        return guowaiwug;
    }
    public void setXianwaishinwug(String xianwaishinwug) 
    {
        this.xianwaishinwug = xianwaishinwug;
    }

    public String getXianwaishinwug() 
    {
        return xianwaishinwug;
    }
    public void setXiangzhennwug(String xiangzhennwug) 
    {
        this.xiangzhennwug = xiangzhennwug;
    }

    public String getXiangzhennwug() 
    {
        return xiangzhennwug;
    }
    public void setXiangzhenwaixianneiwug(String xiangzhenwaixianneiwug) 
    {
        this.xiangzhenwaixianneiwug = xiangzhenwaixianneiwug;
    }

    public String getXiangzhenwaixianneiwug() 
    {
        return xiangzhenwaixianneiwug;
    }
    public void setTpguowaiwug(String tpguowaiwug) 
    {
        this.tpguowaiwug = tpguowaiwug;
    }

    public String getTpguowaiwug() 
    {
        return tpguowaiwug;
    }
    public void setTpxianwaishinwug(String tpxianwaishinwug) 
    {
        this.tpxianwaishinwug = tpxianwaishinwug;
    }

    public String getTpxianwaishinwug() 
    {
        return tpxianwaishinwug;
    }
    public void setTpxiangzhennwug(String tpxiangzhennwug) 
    {
        this.tpxiangzhennwug = tpxiangzhennwug;
    }

    public String getTpxiangzhennwug() 
    {
        return tpxiangzhennwug;
    }
    public void setTpxiangzhenwaixianneiwug(String tpxiangzhenwaixianneiwug) 
    {
        this.tpxiangzhenwaixianneiwug = tpxiangzhenwaixianneiwug;
    }

    public String getTpxiangzhenwaixianneiwug() 
    {
        return tpxiangzhenwaixianneiwug;
    }
    public void setYqguowaiwug(String yqguowaiwug) 
    {
        this.yqguowaiwug = yqguowaiwug;
    }

    public String getYqguowaiwug() 
    {
        return yqguowaiwug;
    }
    public void setYqxianwaishinwug(String yqxianwaishinwug) 
    {
        this.yqxianwaishinwug = yqxianwaishinwug;
    }

    public String getYqxianwaishinwug() 
    {
        return yqxianwaishinwug;
    }
    public void setYqxiangzhennwug(String yqxiangzhennwug) 
    {
        this.yqxiangzhennwug = yqxiangzhennwug;
    }

    public String getYqxiangzhennwug() 
    {
        return yqxiangzhennwug;
    }
    public void setYqxiangzhenwaixianneiwug(String yqxiangzhenwaixianneiwug) 
    {
        this.yqxiangzhenwaixianneiwug = yqxiangzhenwaixianneiwug;
    }

    public String getYqxiangzhenwaixianneiwug() 
    {
        return yqxiangzhenwaixianneiwug;
    }

}

3、然后定义一个接口接收的DTO类

java 复制代码 
package com.inspur.grp.hrss.labour.project.labourReport.dto;

import com.inspur.grp.hrss.labour.project.labourReport.LabourDayUpdatetime;

import java.util.List;

public class ExportDataRequestDto {
    private List<LabourDayUpdatetime> labourDayUpdatetimeList;
    private String addressName; // 这个是前端传递的过了的标题名称

    // Getters and Setters
    public List<LabourDayUpdatetime> getLabourDayUpdatetimeList() {
        return labourDayUpdatetimeList;
    }

    public void setLabourDayUpdatetimeList(List<LabourDayUpdatetime> labourDayUpdatetimeList) {
        this.labourDayUpdatetimeList = labourDayUpdatetimeList;
    }

    public String getAddressName() {
        return addressName;
    }

    public void setAddressName(String addressName) {
        this.addressName = addressName;
    }
}

4、封装标题工具类

java 复制代码 
package com.inspur.grp.hrss.labour.util.IDCardUtils;

import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.ObjectUtil;
import com.alibaba.excel.metadata.CellData;
import com.alibaba.excel.metadata.Head;
import com.alibaba.excel.write.handler.CellWriteHandler;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteTableHolder;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.springframework.util.PropertyPlaceholderHelper;

import java.util.List;
import java.util.Properties;

public class ExcelTitleHandler implements CellWriteHandler {
    /**
     错误信息处理时正则表达式的格式
     */
    private final String EXCEL_ERROR_REG = "^(.*)(\\(错误:)(.*)(\\))$";

    private String bigHead;


    PropertyPlaceholderHelper placeholderHelper = new PropertyPlaceholderHelper("${", "}");

    public ExcelTitleHandler( String bigHead) {
        this.bigHead = bigHead; //表头1
    }

    @Override
    public void beforeCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, Row row, Head head, Integer columnIndex, Integer relativeRowIndex, Boolean isHead) {
        // 动态设置表头字段
        if (!ObjectUtil.isEmpty(head)) {
            List<String> headNameList = head.getHeadNameList();
            if (CollectionUtil.isNotEmpty(headNameList)) {
                Properties properties = new Properties();
                properties.setProperty("bigHead", bigHead);
                for (int i = 0 ; i < headNameList.size() ; i++){
                    // 循环遍历替换
                    headNameList.set(i, placeholderHelper.replacePlaceholders(headNameList.get(i), properties));
                }
            }
        }
    }
    @Override
    public void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, Cell cell, Head head, Integer relativeRowIndex, Boolean isHead) {
    }

    @Override
    public void afterCellDataConverted(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, CellData cellData, Cell cell, Head head, Integer integer, Boolean aBoolean) {

    }

    @Override
    public void afterCellDispose(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, List<CellData> list, Cell cell, Head head, Integer integer, Boolean aBoolean) {

    }
}

5、开始接口请求

java 复制代码 
   //每日更新统计导出
    @PostMapping("/exportDataUpdate")
    public void exportDataUpdate(@RequestBody ExportDataRequestDto exportDataRequestDto, HttpServletResponse response) {
        labourDayUpdatetimeService.exportDataUpdate(exportDataRequestDto, response);
    }

6、service层

java 复制代码 
void exportDataUpdate(ExportDataRequestDto exportDataRequestDto, HttpServletResponse response);

7、serviceImpl实现类

java 复制代码 
 private void setIntValueFromDoubleString(LabourDayUpdatetime recode, String value, Consumer<String> setter) {
        if (value != null && !value.isEmpty()) {
            try {
                int intValue = (int) Double.parseDouble(value);
                setter.accept(String.valueOf(intValue));
            } catch (NumberFormatException e) {
                setter.accept("0");
            }
        } else {
            setter.accept("0");
        }
    }
    private void setFormattedPercentage(LabourDayUpdatetime recode, String value, Consumer<String> setter) {
        if (value != null && !value.isEmpty()) {
            try {
                double doubleValue = Double.parseDouble(value);
                String formattedValue = String.format("%.2f%%", doubleValue * 100);
                setter.accept(formattedValue);
            } catch (NumberFormatException e) {
                setter.accept("0.00%");
            }
        } else {
            setter.accept("0.00%");
        }
    }


    @Override
    public void exportDataUpdate(ExportDataRequestDto exportDataRequestDto, HttpServletResponse response) {
        String bigHead=exportDataRequestDto.getAddressName()+"劳动力更新报表";
        List<LabourDayUpdatetime> labourDayUpdatetimeList = exportDataRequestDto.getLabourDayUpdatetimeList();
        labourDayUpdatetimeList.stream().forEach(recode->{

            setIntValueFromDoubleString(recode, recode.getNcldlrs(), recode::setNcldlrs);
            setIntValueFromDoubleString(recode, recode.getGxrsa(), recode::setGxrsa);
            setFormattedPercentage(recode, recode.getGxla(), recode::setGxla);
            setIntValueFromDoubleString(recode, recode.getJyrsa(), recode::setJyrsa);
            setIntValueFromDoubleString(recode, recode.getGuowaiwug(), recode::setGuowaiwug);
            setIntValueFromDoubleString(recode, recode.getShengwai(), recode::setShengwai);
            setIntValueFromDoubleString(recode, recode.getShiwaishengnei(), recode::setShiwaishengnei);
            setIntValueFromDoubleString(recode, recode.getXianwaishinwug(), recode::setXianwaishinwug);
            setIntValueFromDoubleString(recode, recode.getXiangzhennwug(), recode::setXiangzhenwaixianneiwug);
            setIntValueFromDoubleString(recode, recode.getXiangzhennwug(), recode::setXiangzhennwug);
            setFormattedPercentage(recode, recode.getJyla(), recode::setJyla);

            setIntValueFromDoubleString(recode, recode.getTpldlrs(), recode::setTpldlrs);
            setIntValueFromDoubleString(recode, recode.getGxrsb(), recode::setGxrsb);
            setFormattedPercentage(recode, recode.getGxlb(), recode::setGxlb);
            setIntValueFromDoubleString(recode, recode.getJyrsb(), recode::setJyrsb);
            setIntValueFromDoubleString(recode, recode.getTpguowaiwug(), recode::setTpguowaiwug);
            setIntValueFromDoubleString(recode, recode.getTpshengwai(), recode::setTpshengwai);
            setIntValueFromDoubleString(recode, recode.getTpshiwaishengnei(), recode::setTpshiwaishengnei);
            setIntValueFromDoubleString(recode, recode.getTpxianwaishinwug(), recode::setTpxianwaishinwug);
            setIntValueFromDoubleString(recode, recode.getTpxiangzhenwaixianneiwug(), recode::setTpxiangzhenwaixianneiwug);
            setIntValueFromDoubleString(recode, recode.getTpxiangzhennwug(), recode::setTpxiangzhennwug);
            setFormattedPercentage(recode, recode.getJylb(), recode::setJylb);

            setIntValueFromDoubleString(recode, recode.getYqldlrs(), recode::setYqldlrs);
            setIntValueFromDoubleString(recode, recode.getGxrsc(), recode::setGxrsc);
            setFormattedPercentage(recode, recode.getGxlc(), recode::setGxlc);
            setIntValueFromDoubleString(recode, recode.getJyrsc(), recode::setJyrsc);
            setIntValueFromDoubleString(recode, recode.getYqguowaiwug(), recode::setYqguowaiwug);
            setIntValueFromDoubleString(recode, recode.getYqshengwai(), recode::setYqshengwai);
            setIntValueFromDoubleString(recode, recode.getYqshiwaishengnei(), recode::setYqshiwaishengnei);
            setIntValueFromDoubleString(recode, recode.getYqxianwaishinwug(), recode::setYqxianwaishinwug);
            setIntValueFromDoubleString(recode, recode.getYqxiangzhenwaixianneiwug(), recode::setYqxiangzhenwaixianneiwug);
            setIntValueFromDoubleString(recode, recode.getYqxiangzhennwug(), recode::setYqxiangzhennwug);
            setFormattedPercentage(recode, recode.getJylc(), recode::setJylc);

            setIntValueFromDoubleString(recode, recode.getXtzwgxdldlrs(), recode::setXtzwgxdldlrs);

        });

        try {
            response.setContentType("application/vnd.ms-excel");
            response.setCharacterEncoding("utf-8");
            response.setHeader("Content-disposition", "attachment;filename=" + "数据" + ".xlsx");
            WriteCellStyle contentWriteCellStyle = new WriteCellStyle();
            contentWriteCellStyle.setBorderLeft(BorderStyle.THIN);
            contentWriteCellStyle.setBorderTop(BorderStyle.THIN);
            contentWriteCellStyle.setBorderRight(BorderStyle.THIN);
            contentWriteCellStyle.setBorderBottom(BorderStyle.THIN);
            contentWriteCellStyle.setHorizontalAlignment(HorizontalAlignment.CENTER);
            WriteCellStyle headWriteCellStyle = new WriteCellStyle();
            headWriteCellStyle.setBorderLeft(BorderStyle.THIN);
            headWriteCellStyle.setBorderTop(BorderStyle.THIN);
            headWriteCellStyle.setBorderRight(BorderStyle.THIN);
            headWriteCellStyle.setBorderBottom(BorderStyle.THIN);
            //设置头部标题居中
            headWriteCellStyle.setHorizontalAlignment(HorizontalAlignment.CENTER);
            // 这个策略是 头是头的样式 内容是内容的样式 其他的策略可以自己实现
            HorizontalCellStyleStrategy horizontalCellStyleStrategy =
                    new HorizontalCellStyleStrategy(headWriteCellStyle, contentWriteCellStyle);

            EasyExcel.write(response.getOutputStream(), LabourDayUpdatetime.class)
                    .sheet("数据")
                    .registerWriteHandler(new ExcelTitleHandler(bigHead))
                    .registerWriteHandler(new SimpleColumnWidthStyleStrategy(20)).registerWriteHandler(horizontalCellStyleStrategy)
                    .doWrite(labourDayUpdatetimeList);
        }catch (Exception e){
            throw new RuntimeException(e);
        }
    }

7、前端vue的接口

具体代码就不列出了，这个 daochu 就是一个按钮button

java 复制代码 
daochu(){
            if(this.tableData.length==0){
                this.$message({ message: '请确保有数据进行导出', type: 'warning' });return;
            }else{
                const loading = this.$loading({lock: true,text: '导出中',spinner: 'el-icon-loading',background: ' rgba(255, 255, 255, 0.6)'});
                var data = {
                    labourDayUpdatetimeList: this.tableData, // 这个tableData 这个是你要导出的数据
                    addressName: this.addressName // 这个是你要给你的excel设置的大标题
                }
                //发送接口请求
                labourReportApi.exportDataUpdate(data).then(res => { 

                    const url = window.URL.createObjectURL(new Blob([res]));
                    const link = document.createElement('a');
                    link.href = url;
                    link.setAttribute('download', '每日更新情况调度统计.xlsx');
                    document.body.appendChild(link);
                    link.click();
                    document.body.removeChild(link);
                    window.URL.revokeObjectURL(url);
                    this.$message({message: '导出数据成功', type: 'success' });
                    setTimeout(() => {loading.close();}, 1000);
                })
            }
        },

8、具体vue请求

这个是一个js，你可以赋值到你自己的接口js里面去

java 复制代码 
import request from "@/util/request";
var prefixD = customConfig.VUE_APP_CLIENT_ID + "/labourReport/updatetimeDayTj";
export default {

  //每日更新导出
  exportDataUpdate: async function (params) {
    return request
    ({
      url: prefixD + "/exportDataUpdate",
      method: "post",
      data: params,
      responseType: "arraybuffer",
      headers: {
        'Content-Type': 'application/json'
      }
    })
  },


}

9、导出已经完成了，展示效果

因为数据量很多，就展示部分

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