springboot+vue实现excel导入-------去重

springboot后台:

数据库:

bean:

package com.heeexy.example.bean;import java.util.Date;//客户列表
public class KH {private int id;    private int userId;private Date update_time;private Date create_time;private int dr=0;//客户类型private String khlx;//客户状态private String khzt;//所属部门private String ssbm;//客户名称private String khmc;//电话private double dianhua;//手机private double shouji;//地址private String dizhi;//最新跟进记录private String zuixingenjinjilu;//前负责人private String qianfzr; //计划状态private int status;//跟进日期private Date genjinriqi;//跟进内容private String genjinneirong;//发起日期private Date faqiriqi;//公司名称private String gongsimingcheng;//公司地址private String gongsidizhi;//负责人private String fuzeren;//区分是我的客户0还是下属客户1private int qfkh;public int getId() {return id;}public void setId(int id) {this.id = id;}public int getUserId() {return userId;}public void setUserId(int userId) {this.userId = userId;}public Date getUpdate_time() {return update_time;}public void setUpdate_time(Date update_time) {this.update_time = update_time;}public Date getCreate_time() {return create_time;}public void setCreate_time(Date create_time) {this.create_time = create_time;}public String getKhlx() {return khlx;}public void setKhlx(String khlx) {this.khlx = khlx;}public String getKhzt() {return khzt;}public void setKhzt(String khzt) {this.khzt = khzt;}public String getSsbm() {return ssbm;}public void setSsbm(String ssbm) {this.ssbm = ssbm;}public String getKhmc() {return khmc;}public void setKhmc(String khmc) {this.khmc = khmc;}public String getDizhi() {return dizhi;}public void setDizhi(String dizhi) {this.dizhi = dizhi;}public String getZuixingenjinjilu() {return zuixingenjinjilu;}public void setZuixingenjinjilu(String zuixingenjinjilu) {this.zuixingenjinjilu = zuixingenjinjilu;}public String getQianfzr() {return qianfzr;}public void setQianfzr(String qianfzr) {this.qianfzr = qianfzr;}public int getStatus() {return status;}public void setStatus(int status) {this.status = status;}public double getDianhua() {return dianhua;}public void setDianhua(double dianhua) {this.dianhua = dianhua;}public double getShouji() {return shouji;}public void setShouji(double shouji) {this.shouji = shouji;}public Date getGenjinriqi() {return genjinriqi;}public void setGenjinriqi(Date genjinriqi) {this.genjinriqi = genjinriqi;}public String getGenjinneirong() {return genjinneirong;}public void setGenjinneirong(String genjinneirong) {this.genjinneirong = genjinneirong;}public Date getFaqiriqi() {return faqiriqi;}public void setFaqiriqi(Date faqiriqi) {this.faqiriqi = faqiriqi;}public String getGongsimingcheng() {return gongsimingcheng;}public void setGongsimingcheng(String gongsimingcheng) {this.gongsimingcheng = gongsimingcheng;}public String getGongsidizhi() {return gongsidizhi;}public void setGongsidizhi(String gongsidizhi) {this.gongsidizhi = gongsidizhi;}public String getFuzeren() {return fuzeren;}public void setFuzeren(String fuzeren) {this.fuzeren = fuzeren;}public int getDr() {return dr;}public void setDr(int dr) {this.dr = dr;}public int getQfkh() {return qfkh;}public void setQfkh(int qfkh) {this.qfkh = qfkh;}@Overridepublic int hashCode() {final int prime = 31;int result = 1;result = prime * result + ((create_time == null) ? 0 : create_time.hashCode());long temp;temp = Double.doubleToLongBits(dianhua);result = prime * result + (int) (temp ^ (temp >>> 32));result = prime * result + ((dizhi == null) ? 0 : dizhi.hashCode());result = prime * result + dr;result = prime * result + ((faqiriqi == null) ? 0 : faqiriqi.hashCode());result = prime * result + ((fuzeren == null) ? 0 : fuzeren.hashCode());result = prime * result + ((genjinneirong == null) ? 0 : genjinneirong.hashCode());result = prime * result + ((genjinriqi == null) ? 0 : genjinriqi.hashCode());result = prime * result + ((gongsidizhi == null) ? 0 : gongsidizhi.hashCode());result = prime * result + ((gongsimingcheng == null) ? 0 : gongsimingcheng.hashCode());result = prime * result + id;result = prime * result + ((khlx == null) ? 0 : khlx.hashCode());result = prime * result + ((khmc == null) ? 0 : khmc.hashCode());result = prime * result + ((khzt == null) ? 0 : khzt.hashCode());result = prime * result + qfkh;result = prime * result + ((qianfzr == null) ? 0 : qianfzr.hashCode());temp = Double.doubleToLongBits(shouji);result = prime * result + (int) (temp ^ (temp >>> 32));result = prime * result + ((ssbm == null) ? 0 : ssbm.hashCode());result = prime * result + status;result = prime * result + ((update_time == null) ? 0 : update_time.hashCode());result = prime * result + userId;result = prime * result + ((zuixingenjinjilu == null) ? 0 : zuixingenjinjilu.hashCode());return result;}@Overridepublic boolean equals(Object obj) {if (this == obj)return true;if (obj == null)return false;if (getClass() != obj.getClass())return false;KH other = (KH) obj;if (create_time == null) {if (other.create_time != null)return false;} else if (!create_time.equals(other.create_time))return false;if (Double.doubleToLongBits(dianhua) != Double.doubleToLongBits(other.dianhua))return false;if (dizhi == null) {if (other.dizhi != null)return false;} else if (!dizhi.equals(other.dizhi))return false;if (dr != other.dr)return false;if (faqiriqi == null) {if (other.faqiriqi != null)return false;} else if (!faqiriqi.equals(other.faqiriqi))return false;if (fuzeren == null) {if (other.fuzeren != null)return false;} else if (!fuzeren.equals(other.fuzeren))return false;if (genjinneirong == null) {if (other.genjinneirong != null)return false;} else if (!genjinneirong.equals(other.genjinneirong))return false;if (genjinriqi == null) {if (other.genjinriqi != null)return false;} else if (!genjinriqi.equals(other.genjinriqi))return false;if (gongsidizhi == null) {if (other.gongsidizhi != null)return false;} else if (!gongsidizhi.equals(other.gongsidizhi))return false;if (gongsimingcheng == null) {if (other.gongsimingcheng != null)return false;} else if (!gongsimingcheng.equals(other.gongsimingcheng))return false;if (id != other.id)return false;if (khlx == null) {if (other.khlx != null)return false;} else if (!khlx.equals(other.khlx))return false;if (khmc == null) {if (other.khmc != null)return false;} else if (!khmc.equals(other.khmc))return false;if (khzt == null) {if (other.khzt != null)return false;} else if (!khzt.equals(other.khzt))return false;if (qfkh != other.qfkh)return false;if (qianfzr == null) {if (other.qianfzr != null)return false;} else if (!qianfzr.equals(other.qianfzr))return false;if (Double.doubleToLongBits(shouji) != Double.doubleToLongBits(other.shouji))return false;if (ssbm == null) {if (other.ssbm != null)return false;} else if (!ssbm.equals(other.ssbm))return false;if (status != other.status)return false;if (update_time == null) {if (other.update_time != null)return false;} else if (!update_time.equals(other.update_time))return false;if (userId != other.userId)return false;if (zuixingenjinjilu == null) {if (other.zuixingenjinjilu != null)return false;} else if (!zuixingenjinjilu.equals(other.zuixingenjinjilu))return false;return true;}@Overridepublic String toString() {return "KH [id=" + id + ", userId=" + userId + ", update_time=" + update_time + ", create_time=" + create_time+ ", dr=" + dr + ", khlx=" + khlx + ", khzt=" + khzt + ", ssbm=" + ssbm + ", khmc=" + khmc+ ", dianhua=" + dianhua + ", shouji=" + shouji + ", dizhi=" + dizhi + ", zuixingenjinjilu="+ zuixingenjinjilu + ", qianfzr=" + qianfzr + ", status=" + status + ", genjinriqi=" + genjinriqi+ ", genjinneirong=" + genjinneirong + ", faqiriqi=" + faqiriqi + ", gongsimingcheng=" + gongsimingcheng+ ", gongsidizhi=" + gongsidizhi + ", fuzeren=" + fuzeren + ", qfkh=" + qfkh + "]";}public KH(int id, int userId, Date update_time, Date create_time, int dr, String khlx, String khzt, String ssbm,String khmc, double dianhua, double shouji, String dizhi, String zuixingenjinjilu, String qianfzr,int status, Date genjinriqi, String genjinneirong, Date faqiriqi, String gongsimingcheng,String gongsidizhi, String fuzeren, int qfkh) {super();this.id = id;this.userId = userId;this.update_time = update_time;this.create_time = create_time;this.dr = dr;this.khlx = khlx;this.khzt = khzt;this.ssbm = ssbm;this.khmc = khmc;this.dianhua = dianhua;this.shouji = shouji;this.dizhi = dizhi;this.zuixingenjinjilu = zuixingenjinjilu;this.qianfzr = qianfzr;this.status = status;this.genjinriqi = genjinriqi;this.genjinneirong = genjinneirong;this.faqiriqi = faqiriqi;this.gongsimingcheng = gongsimingcheng;this.gongsidizhi = gongsidizhi;this.fuzeren = fuzeren;this.qfkh = qfkh;}public KH() {super();// TODO Auto-generated constructor stub}}

mapper:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.heeexy.example.dao.KHDao"><resultMap type="com.heeexy.example.bean.KH" id="Map1"><id column="id" property="id" /><result column="userId" property="userId" /><result column="update_time" property="update_time" /><result column="create_time" property="create_time" /><result column="dr" property="dr" /><result column="khlx" property="khlx" /><result column="khzt" property="khzt" /><result column="ssbm" property="ssbm" /><result column="khmc" property="khmc" /><result column="dianhua" property="dianhua" /><result column="shouji" property="shouji" /><result column="dizhi" property="dizhi" /><result column="zuixingenjinjilu" property="zuixingenjinjilu" /><result column="qianfzr" property="qianfzr" /><result column="status" property="status" /><result column="genjinriqi" property="genjinriqi" /><result column="genjinneirong" property="genjinneirong" /><result column="faqiriqi" property="faqiriqi" /><result column="gongsimingcheng" property="gongsimingcheng" /><result column="gongsidizhi" property="gongsidizhi" /><result column="fuzeren" property="fuzeren" /><result column="qfkh" property="qfkh" /></resultMap><resultMap type="com.heeexy.example.bean.KH" id="KHMap"><id column="id" property="id" /><result column="userId" property="userId" /><result column="update_time" property="update_time" /><result column="create_time" property="create_time" /><result column="dr" property="dr" /><result column="khlx" property="khlx" /><result column="khzt" property="khzt" /><result column="ssbm" property="ssbm" /><result column="khmc" property="khmc" /><result column="dianhua" property="dianhua" /><result column="shouji" property="shouji" /><result column="dizhi" property="dizhi" /><result column="zuixingenjinjilu" property="zuixingenjinjilu" /><result column="qianfzr" property="qianfzr" /><result column="status" property="status" /><result column="genjinriqi" property="genjinriqi" /><result column="genjinneirong" property="genjinneirong" /><result column="faqiriqi" property="faqiriqi" /><result column="gongsimingcheng" property="gongsimingcheng" /><result column="gongsidizhi" property="gongsidizhi" /><result column="fuzeren" property="fuzeren" /><result column="qfkh" property="qfkh" /><collection property="domains" ofType="com.alibaba.fastjson.JSONObject"><id column="id" property="id" /><result column="userId" property="userId" /><result column="update_time" property="update_time" /><result column="create_time" property="create_time" /><result column="drt" property="drt" /><result column="lianxiren" property="lianxiren" /><result column="status" property="status" /><result column="kehuId" property="kehuId" /></collection><collection property="domainsXGJ" ofType="com.alibaba.fastjson.JSONObject"><id column="id" property="id" /><result column="userId" property="userId" /><result column="update_time" property="update_time" /><result column="create_time" property="create_time" /><result column="dr" property="dr" /><result column="dianhua" property="dianhua" /><result column="lianxiren" property="lianxiren" /><result column="genjinzhuangtai" property="genjinzhuangtai" /><result column="xiacigenjinshijian" property="xiacigenjinshijian" /><result column="genjinriqi" property="genjinriqi" /><result column="khmc" property="khmc" /><result column="genjinneirong" property="genjinneirong" /><result column="khId" property="khId" /></collection></resultMap><!-- excel导出 --><select id="findAll" resultType="List" resultMap="Map1">select * from kh </select><!-- excel导入 --><insert id="addKHexcel" parameterType="com.heeexy.example.bean.KH" > INSERT INTO kh (gongsimingcheng,gongsidizhi,khmc,khlx,dianhua,shouji,dizhi,zuixingenjinjilu,qianfzr,khzt,genjinriqi,genjinneirong,faqiriqi,fuzeren,dr) VALUES (#{gongsimingcheng},#{gongsidizhi},#{khmc},#{khlx},#{dianhua},#{shouji},#{dizhi},#{zuixingenjinjilu},#{qianfzr},#{khzt},#{genjinriqi},#{genjinneirong},#{faqiriqi},#{fuzeren},#{dr}) </insert><!-- excel导入去重 --><select id="countquc" resultType="Integer">SELECT count(*)FROMkh wWHERE w.dr = '0' and khmc = #{khmc} and shouji = #{shouji} and gongsimingcheng = #{gongsimingcheng}</select></mapper>

dao:

   //excel导出public List<KH> findAll();//excel导入public void addKHexcel(KH sysKH);//excel导入去重public int countquc(@Param("khmc") String khmc,@Param("shouji") Double shouji,@Param("gongsimingcheng") String gongsimingcheng);

service:

 //excel导出public List<KH> findAll();//excel导入public String batchImport(String fileName, MultipartFile file) throws Exception;

serviceImpl:

package com.heeexy.example.service.impl;import java.io.IOException;
import java.io.InputStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.*;
import java.util.Map;import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleIfStatement.Else;
import com.alibaba.fastjson.JSONObject;
import com.heeexy.example.bean.DD;
import com.heeexy.example.bean.KH;
import com.heeexy.example.bean.LianXiRen;
import com.heeexy.example.bean.MX;
import com.heeexy.example.bean.XGJ;
import com.heeexy.example.dao.KHDao;
import com.heeexy.example.service.KHService;
import com.heeexy.example.util.CommonUtil;import net.bytebuddy.description.field.FieldDescription.InGenericShape;@Service
public class KHServiceImpl implements KHService {@Autowiredprivate KHDao khDao;/*** id放入list* * @param id*            id(多个已逗号分隔)* @return List集合* declareAd*/public List<String> getList(String id) {List<String> list = new ArrayList<String>();String[] str = id.split(",");for (int i = 0; i < str.length; i++) {list.add(str[i]);}return list;}/*** 导出excel*/@Overridepublic List<KH> findAll() {// TODO Auto-generated method stubList<KH> list = khDao.findAll();return list;}/*** excel导入*/private final static String XLS = "xls";private final static String XLSX = "xlsx";@Transactional(readOnly = false,rollbackFor = Exception.class)@Overridepublic String batchImport(String fileName, MultipartFile file) throws Exception {//          if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) {
//              throw new Exception("上传文件格式不正确");
//          }      List<KH> khs = new ArrayList<>();try{InputStream is = file.getInputStream();//HSSFWorkbook workbook = new HSSFWorkbook(new POIFSFileSystem(is));Workbook workbook = null;  if(fileName.endsWith(XLS)){workbook = new HSSFWorkbook(is);}else if(fileName.endsWith(XLSX)){workbook = new XSSFWorkbook(is);}else{return "上传文件格式不正确";}//有多少个sheetint sheets = workbook.getNumberOfSheets();for (int i = 0; i < sheets; i++) {//HSSFSheet sheet = workbook.getSheetAt(i);//获得当前sheet工作表  Sheet sheet = workbook.getSheetAt(i);  if(sheet == null){  continue;  }  //获取多少行int rows = sheet.getPhysicalNumberOfRows();KH kh = null;//遍历每一行，注意：第 0 行为标题System.out.println("1234456576879");System.out.println("进入遍历方法");for (int j = 1; j < rows; j++) {kh = new KH();//获得第 j 行                        //HSSFRow row = sheet.getRow(j);Row row = sheet.getRow(j);  System.out.println("row="+row.getCell(0));kh.setGongsimingcheng(row.getCell(0).getStringCellValue());System.out.println("getGongsimingcheng="+ kh.getGongsimingcheng());kh.setGongsidizhi(row.getCell(1).getStringCellValue());System.out.println("getGongsidizhi="+ kh.getGongsidizhi());kh.setKhmc(row.getCell(2).getStringCellValue());System.out.println("getKhmc="+ kh.getKhmc());kh.setKhlx(row.getCell(3).getStringCellValue());System.out.println("getKhlx="+ kh.getKhlx());kh.setDianhua(row.getCell(4).getNumericCellValue());System.out.println("getDianhua="+ kh.getDianhua());kh.setShouji(row.getCell(5).getNumericCellValue());System.out.println("getShouji="+ kh.getShouji());kh.setDizhi(row.getCell(6).getStringCellValue());System.out.println("getDizhi="+ kh.getDizhi());kh.setZuixingenjinjilu(row.getCell(7).getStringCellValue());System.out.println("getZuixingenjinjilu="+ kh.getZuixingenjinjilu());kh.setQianfzr(row.getCell(8).getStringCellValue());System.out.println("getQianfzr="+ kh.getQianfzr());kh.setKhzt(row.getCell(9).getStringCellValue());System.out.println("getKhzt="+ kh.getKhzt());kh.setGenjinriqi(row.getCell(10).getDateCellValue());System.out.println("getGenjinriqi="+ kh.getGenjinriqi());kh.setGenjinneirong(row.getCell(11).getStringCellValue());System.out.println("getGenjinneirong="+ kh.getGenjinneirong());kh.setFaqiriqi(row.getCell(12).getDateCellValue());System.out.println("getFaqiriqi="+ kh.getFaqiriqi());kh.setFuzeren(row.getCell(13).getStringCellValue());  System.out.println("getFuzeren="+ kh.getFuzeren());System.out.println("做excel去重判断");int count =  khDao.countquc(kh.getKhmc(),kh.getShouji(),kh.getGongsimingcheng());if(count>0){}else{khs.add(kh);System.out.println("khs="+khs.size());System.out.println("结束");System.out.println("退出循环");khDao.addKHexcel(kh);System.out.println("----------------"); }}                }}catch(Exception e){return "导入数据格式有误，请检查上传文件";}return "导入数据成功";}}

controller:

package com.heeexy.example.controller;import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;import javax.servlet.ServletContext;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.poi.hssf.usermodel.HSSFCell;
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;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import org.thymeleaf.TemplateEngine;
import org.thymeleaf.context.Context;import com.alibaba.fastjson.JSONObject;
import com.heeexy.example.bean.DD;
import com.heeexy.example.bean.KH;
import com.heeexy.example.bean.LianXiRen;
import com.heeexy.example.bean.MX;
import com.heeexy.example.bean.XGJ;
import com.heeexy.example.service.EmailService;
import com.heeexy.example.service.KHService;
import com.heeexy.example.util.CommonUtil;
import com.sun.tools.javac.main.Main.Result;@RestController
@RequestMapping("/kh")
@CrossOrigin
@ResponseBody
public class KHController {@Autowiredprivate KHService khService;@Autowiredprivate EmailService emailService;@Autowiredprivate TemplateEngine templateEngine;/*** 导出excel*///      @RequiresPermissions("kh:download")
//    @PostMapping("/download") public void download(HttpServletRequest
//    request,HttpServletResponse response) throws IOException{
//
//    HSSFWorkbook workbook = new HSSFWorkbook(); //创建一个Excel表单,参数为sheet的名字
//    HSSFSheet sheet = workbook.createSheet("CRM客户导出");
//
//    //创建表头
//    setTitle(workbook, sheet);
//    List<KH> khs = khService.findAll();
//
//    //新增数据行，并且设置单元格数据
//    int rowNum = 1;
//    for (KH kh:khs) {
//        HSSFRow row = sheet.createRow(rowNum);
//
//    row.createCell(0).setCellValue(kh.getGongsimingcheng());
//    row.createCell(1).setCellValue(kh.getGongsidizhi());
//    row.createCell(2).setCellValue(kh.getKhmc());
//    row.createCell(3).setCellValue(kh.getKhlx());
//    row.createCell(4).setCellValue(kh.getDianhua());
//    row.createCell(5).setCellValue(kh.getShouji());
//    row.createCell(6).setCellValue(kh.getDizhi());
//    row.createCell(7).setCellValue(kh.getZuixingenjinjilu());
//    row.createCell(8).setCellValue(kh.getQianfzr());
//    row.createCell(9).setCellValue(kh.getKhzt());
//    row.createCell(10).setCellValue(kh.getGenjinriqi());
//    row.createCell(11).setCellValue(kh.getGenjinneirong());
//    row.createCell(12).setCellValue(kh.getFaqiriqi());
//    row.createCell(13).setCellValue(kh.getFuzeren());
//    rowNum++;
//    }
//
//    String fileName = "D://CRM客户导出.xlsx";
//    //清空response
//    response.reset();
//    //设置response的Header
//    response.addHeader("Content-Disposition",
//    "attachment;filename="+ fileName); OutputStream os = new
//    BufferedOutputStream(response.getOutputStream());
//    response.setContentType("application/vnd.ms-excel;charset=utf-8");
//    //将excel写入到输出流中
//    workbook.write(os);
//    os.flush();
//    os.close();
//    }
//
//   /***
//       * 设置表头
//       *
//       * @param workbook
//       * @param sheet
//       */
//        private void setTitle(HSSFWorkbook workbook, HSSFSheet sheet){
//        HSSFRow row = sheet.createRow(0);
//        //设置列宽，setColumnWidth的第二个参数要乘以256，这个参数的单位是1/256个字符宽度
//        sheet.setColumnWidth(0, 10*256); sheet.setColumnWidth(1, 20*256);
//        sheet.setColumnWidth(2, 20*256); sheet.setColumnWidth(3, 100*256);
//
//        //设置为居中加粗
//        HSSFCellStyle style = workbook.createCellStyle(); HSSFFont
//        font = workbook.createFont(); font.setBold(true);
//        style.setFont(font);
//
//        HSSFCell cell;
//        /*cell = row.createCell(0); cell.setCellValue("序号");
//        cell.setCellStyle(style);*/
//
//        cell = row.createCell(0); cell.setCellValue("公司名称");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(1); cell.setCellValue("公司地址");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(2); cell.setCellValue("客户名称");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(3); cell.setCellValue("客户类型");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(4); cell.setCellValue("电话");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(5); cell.setCellValue("手机");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(6); cell.setCellValue("地址");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(7); cell.setCellValue("最新跟进记录");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(8); cell.setCellValue("前负责人");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(9); cell.setCellValue("客户状态");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(10); cell.setCellValue("跟进日期");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(11); cell.setCellValue("跟进内容");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(12); cell.setCellValue("发起日期");
//        cell.setCellStyle(style);
//
//        cell = row.createCell(13); cell.setCellValue("负责人");
//        cell.setCellStyle(style);
//
//        }
//      /*** excel导入*/@RequiresPermissions("kh:upload")@PostMapping("/upload")public String addKHexcel(@RequestParam("file") MultipartFile file) throws Exception {String fileName = file.getOriginalFilename();String test = khService.batchImport(fileName, file);System.out.println("test=" + test);return test;}}

权限:

vue:

 <el-button type="primary" icon="edit" v-if="hasPerm('kh:upload')" @click="submit($event)">excel导入</el-button> <input type="file"  @change="getFile($event)">
<el-button type="primary" icon="edit" :disabled="this.sels.length === 0"  v-if="hasPerm('kh:download')" @click="inportexcel()">excel导出</el-button>methods:{//excel导入开始getFile: function (event) {this.file = event.target.files[0];this.file.nameconsole.log(this.file);},submit: function (event) {if(this.file == null){alert("文件为空,请选择文件进行导入");}//阻止元素发生默认的行为event.preventDefault();let formData = new FormData();formData.append("file", this.file);var url = this.HOST + "/kh/upload";axios.post(url, formData).then(function (response) {alert(response.data);console.log(response);window.location.reload();}).catch(function (error) {alert("上传失败,请核对excel表格数据");console.log(error);alert(error);window.location.reload();});},//excel导入结束//excel导出开始inportexcel: function() {　//兼容ie10哦！require.ensure([], () => {　　　　　　　　const { export_json_to_excel } = require('../../excel/Export2Excel');　　//引入文件　　　　　　const tHeader = ['公司名称', '公司地址', '客户名称','客户类型','电话','手机','地址','最新跟进记录','前负责人','客户状态','跟进日期','跟进内容','发起日期','负责人']; // 导出的表头名　　　　　　　　const filterVal = ['gongsimingcheng','gongsidizhi','khmc','khlx', 'dianhua','shouji','dizhi','zuixingenjinjilu','qianfzr','genjinneirong','faqiriqi','fuzeren']; // 导出的表头字段名const list = this.sels;　　//const list = this.tableData; const data = this.formatJson(filterVal, list);　　　　　　　　export_json_to_excel(tHeader, data, 'CRM客户导出');　　　　　　}) .catch(err => {console.log("sadasdaINPORTEXCEL");});},formatJson(filterVal, jsonData) {return jsonData.map(v => filterVal.map(j => v[j]))},//  exceldownload() {//       this.api({//         url: "/kh/download",//         method: "post",//         data: this.tempKH//       }).then(() => {//         this.getList();//         this.dialogFormVisible = false;//       });//     },//excel导出结束}

参考文章:
https://www.cnblogs.com/sprinkle/p/6426204.html

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