java 文件上传下载

QuFileUtil

web_uploader.html

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>上传文件</title>
<link rel="stylesheet" href="../css/table.css">
<script src="../js/table.js"></script><script>
$(function(){var uploader = WebUploader.create({// swf文件路径swf: '../webuploader/orther/Uploader.swf',auto: false,// 文件接收服务端。server: '/webUploader/upload',// 选择文件的按钮。可选。// 内部根据当前运行是创建，可能是input元素，也可能是flash.pick: {id: '#picker', name:"multiFile", //这个地方 name 没什么用，和fileVal 配合使用。  multiple:false //默认为true，true表示可以多选文件，HTML5的属性},// 不压缩image, 默认如果是jpeg，文件上传前会压缩一把再上传！resize: false,fileVal:'multiFile', //后台通过该属性获取chunked: true, //分片处理 chunkSize: 1 * 1024 * 1024, //每片2MchunkRetry:2, //如果失败，则不重试 threads:1, //上传并发数。允许同时最大上传进程数。fileNumLimit:1 //上传的文件总数});// 当有文件被添加进队列的时候uploader.on( 'fileQueued', function( file ) {var $list = $("#thelist");$list.append( '<div id="' + file.id + '" class="item">' +'<h4 class="info">' + file.name + '</h4>' +'<p class="state">等待上传...</p>' +'</div>' );});// 文件上传过程中创建进度条实时显示。uploader.on( 'uploadProgress', function( file, percentage ) {var $li = $( '#'+file.id ),$percent = $li.find('.progress .progress-bar');// 避免重复创建if ( !$percent.length ) {$percent = $('<div class="progress progress-striped active">' +'<div class="progress-bar" role="progressbar" style="width: 0%">' +'</div>' +'</div>').appendTo( $li ).find('.progress-bar');}$li.find('p.state').text('上传中');$percent.css( 'width', percentage * 100 + '%' );});//完成上传，不管成功或者失败，先把遮罩删除。uploader.on('uploadComplete', function(file) {enabledButton();});// 文件上传成功之后进行的处理。uploader.on('uploadSuccess', function(file, response) {var $li = $( '#'+file.id );if(response.flag){         $li.find('p.state').html("<span style='font-weight: bold;font-size: 200%;color: #2ec08b'>上传成功!</span>");}else{$li.find('p.state').html("<span style='font-weight: bold;font-size: 200%;color: #fa190c'>上传失败：" + response.failedReason + "</span>");}});// 文件上传失败，显示上传出错。这个目前没什么用，因为我把提示信息放在遮罩了，几乎是闪现不见，所以该方法可以再次修改uploader.on('uploadError', function(file) {var $li = $( '#'+file.id );$li.find('p.state').html("<span style='font-weight: bold;font-size: 200%;color: #fa190c'>服务端异常，上传失败，请稍后再试！</span>");});$("#ctlBtn").on("click", function() {disabledButton();uploader.upload(); });//禁用BTNfunction disabledButton(){$("#ctlBtn").attr("disabled",true).css({"cursor" : "not-allowed"});//$("#ctlBtn").css("cursor","not-allowed");$("#picker").find("input[type='file']").attr("disabled",true);$("#picker").find("label").css({"cursor" : "not-allowed","opacity" : "0.6"});}//启用BTNfunction enabledButton(){$("#ctlBtn").attr("disabled",false).css({"cursor" : "pointer"});$("#picker").find("input[type='file']").attr("disabled",false);$("#picker").find("label").css({"cursor" : "pointer","opacity" : "0"});}});
</script></head>
<body><div id="uploader" class="wu-example"><!--用来存放文件信息--><div id="thelist" class="uploader-list"></div><div class="btns"><div id="picker">选择文件</div><button id="ctlBtn" class="btn btn-default">开始上传</button></div></div></body>
</html>

package springboot5.controller;import java.util.HashMap;
import java.util.Map;import javax.servlet.http.HttpServletResponse;import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;import springboot5.util.QuFileUtil;@Controller
@RequestMapping("/webUploader")
public class WebUploaderController {@RequestMapping("/go")public String goWebuploader(){return "web_uploader";}@RequestMapping("/upload")@ResponseBodypublic Map<String, Object> upload(MultipartHttpServletRequest request, HttpServletResponse response) {String realPath = "E:\\test";Map<String, Object> result = new HashMap<>();try {Integer chunks = request.getParameter("chunks") == null ? null : Integer.parseInt(request.getParameter("chunks"));Integer chunk = request.getParameter("chunk") == null ? null : Integer.parseInt(request.getParameter("chunk"));MultipartFile file = request.getFile("multiFile");if (chunk == null) { //不分片的情况QuFileUtil.saveFile(file, realPath);} else { //分片的情况QuFileUtil.piecewiseUpload(chunks, chunk, file, realPath);}result.put("flag", true);} catch (Exception e) {result.put("flag", false);result.put("failedReason", e.getMessage());e.printStackTrace();}return result;}}
--------------------------------------------------------------
package springboot5.util;import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.nio.channels.FileChannel;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;import org.apache.tomcat.util.http.fileupload.FileUtils;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.ResourceUtils;
import org.springframework.web.multipart.MultipartFile;/** * @author qufeng* 377600191*/
public class QuFileUtil {private final static String _STATIC = "static";private final static String _DATEFORMAT = "yyyyMMddHHmmss";/*** 单文件分片上传* @param chunks 分片个数* @param chunk 分片索引* @param file 分片* @param path 目标位置* @throws IOException*/public static void piecewiseUpload(int chunks, int chunk, MultipartFile file, String path) throws IOException {// 获取分片输入流InputStream partIn = file.getInputStream();path = path.endsWith(File.separator) ? path : (path += File.separator);// 存放分片的临时目录String tempDir = path + File.separator + "chunks";File temp = new File(tempDir);if (!temp.exists()) {temp.mkdirs();}//目标分片File partFile = new File(tempDir + File.separator + chunk + ".part");    FileOutputStream partOut = new FileOutputStream(partFile);//拷贝目标分片FileCopyUtils.copy(partIn, partOut);// 已经上传到最后一个分片，//开始合并if (chunk == (chunks - 1)) {//获取上传文件路径 和 上传文件路径+文件名称Map<String, String> target = getTarget(file, path);String targetDir = target.get("targetDir");String targetFileName = target.get("targetFileName");      //目标文件目录File dir = new File(targetDir);if (!dir.exists()) {dir.mkdirs();}//目标文件File targetFile = new File(targetFileName);//目标channel@SuppressWarnings("resource")FileChannel targetChannel = new FileOutputStream(targetFile, true).getChannel();//循环合并分片到目标文件for(int i = 0; i < chunks; i ++){File part = new File(tempDir + File.separator + i + ".part");if(!part.exists()){throw new RuntimeException("No part was found when merging");}@SuppressWarnings("resource")FileChannel partChannel = new FileInputStream(part).getChannel();targetChannel.transferFrom(partChannel, targetChannel.size(), partChannel.size());partChannel.close();}targetChannel.close();// 删除临时目录中的分片文件FileUtils.deleteDirectory(temp);}}/*** 上传文件到指定目录* @param file  源文件* @param path   目标路径* @return 文件保存的路径* @throws IOException*/public static String saveFile(MultipartFile file, String path) throws IOException{//获取上传文件路径 ， 上传文件路径+文件名称，保存到数据库的文件路径Map<String, String> target = getTarget(file, path);String targetDir = target.get("targetDir");String targetFileName = target.get("targetFileName");             String pathName = target.get("pathName");//目标目录File dir = new File(targetDir);if(!dir.exists()){dir.mkdirs();}//创建目标文件并copyInputStream in = file.getInputStream();File targetFile = new File(targetFileName); FileOutputStream out = new FileOutputStream(targetFile);       FileCopyUtils.copy(in, out);//返回需要保存的路径有可能是相对路径，也可能是绝对路径return pathName;}/*** 下载指定目录的文件* @param pathName 源文件目录及名称* @param targetName 目标文件名称* @param response* @throws IOException*/@SuppressWarnings("resource")public static void downLoadFile(String pathName,String targetName,HttpServletResponse response) throws IOException{response.setContentType("application/x-msdownload;");response.setHeader("Content-Disposition", "attachment;filename="+ URLEncoder.encode(targetName, "UTF-8"));File file = new File(pathName);if(!file.exists()){throw new IOException("file : " + pathName + "not found");}FileInputStream in = new FileInputStream(file);  ServletOutputStream out = response.getOutputStream();byte[] b = new byte[1024];int len;while((len = in.read(b)) != -1){out.write(b, 0, len);}out.flush();out.close();}/*** 删除文件* @param pathname*/public static void deleteFile(String pathname) {File file = new File(pathname);if(file.exists()) file.delete();}/*** 下载zip文件* @param map   多个输入流的map* @param response* @throws Exception*/public static void downLoadZip(Map<String, InputStream> map, HttpServletResponse response) throws Exception{//zip流ZipOutputStream out = new ZipOutputStream(response.getOutputStream());//设置压缩方式out.setMethod(ZipOutputStream.DEFLATED);//迭代map中的流并压缩进zip,map中key为zip中子文件的名称Set<Entry<String, InputStream>> entrySet = map.entrySet();for (Entry<String, InputStream> entry : entrySet) {out.putNextEntry(new ZipEntry(entry.getKey()));InputStream in = entry.getValue();byte[] b = new byte[1024];int len;while((len = in.read(b)) != -1){out.write(b, 0, len);}in.close();}out.flush();out.close();       }/*** 判断path是绝对路径还是相对路径* @param file * @param path * @return map 返回目标位置字符串和目标文件名称(带路径)* @throws FileNotFoundException*/private static Map<String, String> getTarget(MultipartFile file, String path) throws FileNotFoundException {String dateFlag = new SimpleDateFormat(_DATEFORMAT).format(new Date()) + Math.round(((Math.random() * 1000 + 1))) + "_"+ file.getOriginalFilename().substring(0, file.getOriginalFilename().lastIndexOf("."));// 返回一个路径字符串可能是相对路径，也可能是绝对路径String pathName = "";// 目标文件绝对路径String targetDir = "";// 目标文件绝对路径+名称String targetFileName = "";if (path.contains("/")) { // 相对路径 pathName和targetPathName不同path = path.endsWith("/") ? path : (path += "/");path += dateFlag;            pathName = path + "/" + file.getOriginalFilename();String _classpath = ResourceUtils.getURL(ResourceUtils.CLASSPATH_URL_PREFIX).getPath();String _path = path.replaceAll("/", File.separator + File.separator);// 目标绝对路径targetDir = _classpath + File.separator + _STATIC + _path;targetFileName = targetDir + File.separator + file.getOriginalFilename();} else { // 绝对路径 pathName和targetPathName相同path = path.endsWith(File.separator) ? path : (path += File.separator);path += dateFlag;targetDir = path;pathName = path + File.separator + file.getOriginalFilename();targetFileName = pathName;}HashMap<String, String> map = new HashMap<>();map.put("targetDir", targetDir);map.put("targetFileName", targetFileName);map.put("pathName", pathName);return map;}}

SpecialPlanController

package com.want.special.controller;          import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;         import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;          import org.apache.log4j.Logger;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
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.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;         import com.want.common.util.ExceptionUtil;
import com.want.special.po.CanalSpecialPlan;
import com.want.special.service.ISpecialPlanService;
import com.want.special.util.DateFormat;
import com.want.special.util.ExportSpecialPlanTools;
import com.want.sso.client.thread.UserThreadLocal;          @Controller
@RequestMapping(value = "specialplanimport")
public class SpecialPlanController {          private static final  Logger LOGGER = Logger.getLogger(SpecialPlanController.class);        @Autowired        private ISpecialPlanService specialPlanService;       /**       * <p>Description: 初始化特陈年月</p>       * <p>Company: 上海旺旺集团有限公司</p>        * @author 00311332        * @date 2018年5月17日 上午9:44:48        */       @RequestMapping(value = "initYearMonth")        @ResponseBody       public Map<String, Object> initYearMonth(String flag) {       Map<String, Object> map = new HashMap<String, Object>();      List<String> yearMonthList = null;      try {     if("1".equals(flag)){   yearMonthList = DateFormat.getNowAndNextDate();   }   else{   yearMonthList = DateFormat.getNearDate();   }   map.put("yearMonth", yearMonthList);    map.put("status", true);    } catch (Exception e) {     map.put("status", false);   LOGGER.error(ExceptionUtil.getTrace(e));    }     return map;     }       /**       * <p>Description: 初始化特陈年月</p>       * <p>Company: 上海旺旺集团有限公司</p>        * @author 00311332        * @throws Exception        * @date 2018年5月17日 上午9:44:48        */       @RequestMapping(value = "importPlanTemplate")       @ResponseBody       public void importPlanTemplate(HttpServletRequest request,HttpServletResponse response) throws Exception {        // 下载本地文件     File file = new File(request.getServletContext().getRealPath("/") + "Template/现渠特陈计划导入模板.xlsx");      // 读到流中         InputStream inStream = new FileInputStream(file);// 文件的存放路径         // 设置输出的格式          response.reset();         response.setContentType("application/vnd.ms-excel; charset=utf-8");         response.addHeader("Content-Disposition", "attachment; filename=\"" + java.net.URLEncoder.encode(file.getName(), "UTF-8") + "\"");          // 循环取出流中的数据          byte[] b = new byte[100];         int len;          try {         while ((len = inStream.read(b)) > 0)          response.getOutputStream().write(b, 0, len);          inStream.close();         } catch (IOException e) {         e.printStackTrace();          }         }       /**       * <p>Description: 导入特陈计划</p>        * <p>Company: 上海旺旺集团有限公司</p>        * @author 00311332        * @date 2018年5月17日 下午1:16:55        */       @RequestMapping(value="importSpecialPlan",method = RequestMethod.POST)        public void carPhotoUpload(@RequestParam("file") MultipartFile file,String company,HttpServletResponse response){         try {     List<CanalSpecialPlan> list = specialPlanService.createCanalSpecialPlan(file,company,UserThreadLocal.get().getAccount(),response);    if(list.size() > 0){    responseImportSpecialPlanErrorReport(response,list);  }   }catch (IOException e) {      e.printStackTrace();    }     }         /**       * <p>Description: 导出特陈计划</p>        * <p>Company: 上海旺旺集团有限公司</p>        * @author 00311332        * @date 2018年5月22日 下午1:30:12        */       @RequestMapping(value = "exportSpecialPlan", method = RequestMethod.GET)        @ResponseBody       public void exportSpecialPlan(HttpServletRequest request, HttpServletResponse response,       String yearMonth,String companyId,String companyIds) throws Exception {   List<Map<String, Object>> list = specialPlanService.exportCanalSpecialPlan(yearMonth,companyId,companyIds);     HSSFWorkbook workbook = ExportSpecialPlanTools.buildExcelDocument(list);      response.setCharacterEncoding("utf-8");     response.setContentType("application/force-download");// 设置强制下载不打开      String fileName = "Canal_Special_Plan_Report.xls";      response.setHeader("Content-Disposition", "attachment;fileName=" + fileName);     workbook.write(response.getOutputStream());     workbook.close();     }       /**       * <p>Description: 上传文件</p>        * <p>Company: 上海旺旺集团有限公司</p>        * @author 00311332        * @date 2018年5月17日 下午1:16:32        */       public static void write(InputStream in, OutputStream out) throws IOException{        try{        byte[] buffer = new byte[1024];       int bytesRead = -1;       while ((bytesRead = in.read(buffer)) != -1) {       out.write(buffer, 0, bytesRead);        }       out.flush();        } finally {       try {       in.close();       }       catch (IOException ex) {        }       try {       out.close();        }       catch (IOException ex) {        }       }       }         /**       * <p>Description: 上传文件</p>        * <p>Company: 上海旺旺集团有限公司</p>        * @author 00311332        * @date 2018年5月17日 下午2:43:48        */       public String uploadFile(HttpServletRequest request){       String path = "";     String uploadPath = request.getSession().getServletContext().getRealPath("/uploadTemplate");      MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;     Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();             SimpleDateFormat simple = new SimpleDateFormat("yyyyMMdd hhmmss");      Iterator<Map.Entry<String, MultipartFile>> it = fileMap.entrySet().iterator();      while(it.hasNext()){      Map.Entry<String, MultipartFile> entry = it.next();       MultipartFile mFile = entry.getValue();       path = uploadPath+"/"+simple.format(new Date())+mFile.getOriginalFilename();        File uploadFile = new File(path);   if(!uploadFile.exists()){   uploadFile.getParentFile().mkdirs();  }   if(mFile.getSize() != 0 && !"".equals(mFile.getName())){        try {       write(mFile.getInputStream(), new FileOutputStream(path));}       catch (FileNotFoundException e) { e.printStackTrace();} catch (IOException e) { e.printStackTrace();} }       }     return path;      }       /**       * <p>Description: 导出错误日志信息</p>        * <p>Company: 上海旺旺集团有限公司</p>        * @author 00311332        * @date 2018年7月5日 下午2:04:24       */       private void responseImportSpecialPlanErrorReport(HttpServletResponse response, List<CanalSpecialPlan> list) {        Workbook workbook = null;     try {     workbook = new HSSFWorkbook();    Sheet sheet = workbook.createSheet("new sheet");    Row row = sheet.createRow(0);   Cell cell = row.createCell(0);    cell.setCellValue("序号");    cell = row.createCell(1);   cell.setCellValue("分公司代码");   cell = row.createCell(2);   cell.setCellValue("门店编码");    cell = row.createCell(3);   cell.setCellValue("系统编码");    cell = row.createCell(4);   cell.setCellValue("BPM促销号");    cell = row.createCell(5);   cell.setCellValue("特陈年月");    cell = row.createCell(6);   cell.setCellValue("档期开始时间");    cell = row.createCell(7);   cell.setCellValue("档期结束时间");    cell = row.createCell(8);   cell.setCellValue("线别代码");    cell = row.createCell(9);   cell.setCellValue("品项名称(计划)");    cell = row.createCell(10);    cell.setCellValue("特陈形式代码(计划)");    cell = row.createCell(11);    cell.setCellValue("特陈属性(计划)");    cell = row.createCell(12);    cell.setCellValue("错误原因");    for (int index = 0; index < list.size(); index++) {   row = sheet.createRow(index + 1); CanalSpecialPlan item = list.get(index);  cell = row.createCell(0); cell.setCellValue(item.getIndex() + 1); cell = row.createCell(1); cell.setCellValue(item.getCompanyId()); cell = row.createCell(2); cell.setCellValue(item.getStoreId()); cell = row.createCell(3); cell.setCellValue(item.getSysId()); cell = row.createCell(4); cell.setCellValue(item.getBpmId()); cell = row.createCell(5); cell.setCellValue(item.getYearMonth()); cell = row.createCell(6); cell.setCellValue(item.getPromotionDateStart());  cell = row.createCell(7); cell.setCellValue(item.getPromotionDateEnd());  cell = row.createCell(8); cell.setCellValue(item.getDwLineStatus());  cell = row.createCell(9); cell.setCellValue(item.getProdName());  cell = row.createCell(10);  cell.setCellValue(item.getDisplayId() == null ? null : item.getDisplayId().toString()); cell = row.createCell(11);  cell.setCellValue(item.getPropertyValue() == null ? null : item.getPropertyValue().toString()); cell = row.createCell(12);  cell.setCellValue(item.getError()); }   String headString = "attachment; filename=\"" + new String(("Special_Plan_Error_Report.xls").getBytes("UTF-8"), "UTF-8") + "\"";    response.setContentType("APPLICATION/OCTET-STREAM");    response.setHeader("Content-Disposition", headString);    workbook.write(response.getOutputStream());   }       catch (Exception e) {     }       finally {     if(workbook != null) {    try { workbook.close();}   catch (Exception e) { } }   }     }
}

SpecialPlanServiceImpl

package com.want.special.service.imp;                 import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;                 import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;                  import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;                 import com.want.special.mapper.CanalSpecialPlanMapper;
import com.want.special.po.CanalSpecialPlan;
import com.want.special.service.ISpecialPlanService;
import com.want.special.util.DateFormat;
import com.want.special.util.WriteExcel;                  @Service
public class SpecialPlanServiceImpl implements ISpecialPlanService{                 @Autowired                private CanalSpecialPlanMapper caSpecialPlanMapper;               private static final  Logger LOGGER = Logger.getLogger(SpecialPlanServiceImpl.class);               @Override               public List<CanalSpecialPlan> createCanalSpecialPlan(MultipartFile file,String company,String account,HttpServletResponse response){                //返回错误列表              List<CanalSpecialPlan> list = new ArrayList<CanalSpecialPlan>();              String importSpecialPlanStatus = "false";             // 根据输入流中的模板创建新的文件              try{              Workbook workbook = null;           try {           workbook = WriteExcel.create(file.getInputStream());          }           catch (Exception e) {           e.printStackTrace();          }           // 得到第一个sheet           Sheet sheet = workbook.getSheetAt(0);           Row row = null;           int rowNum = sheet.getLastRowNum();           // 用于新增特陈计划           List<CanalSpecialPlan> caSpecialPlan = new ArrayList<CanalSpecialPlan>();           String yearMonths = "";           String nowDate = new SimpleDateFormat("yyyyMMdd").format(new Date());           // 内容           for (int i = 1; i <= rowNum; i++) {           String errors = "";         row = sheet.getRow(i);          if(!isRowEmpty(row)){         String companyId = "".equals(getCellString(row.getCell(0))) ? null : getCellString(row.getCell(0)).trim();        String storeId = "".equals(getCellString(row.getCell(2))) ? null : getCellString(row.getCell(2)).trim();        String bpmId = "".equals(getCellString(row.getCell(4))) ? null : getCellString(row.getCell(4)).trim();        String yearMonth = "".equals(getCellString(row.getCell(5))) ? null : StringUtils.removeEnd(getCellString(row.getCell(5)),".0").trim();        String start = "".equals(getCellString(row.getCell(6))) ? null : getCellString(row.getCell(6)).trim();        String end = "".equals(getCellString(row.getCell(7))) ? null : getCellString(row.getCell(7)).trim();        String dwLine = "".equals(getCellString(row.getCell(8))) ? null : StringUtils.removeEnd(getCellString(row.getCell(8)),".0").trim();       String prodName = "".equals(getCellString(row.getCell(10))) ? null : getCellString(row.getCell(10)).trim();       String displayId = "".equals(getCellString(row.getCell(11))) ? null : StringUtils.removeEnd(getCellString(row.getCell(11)),".0").trim();        String propertyId = "".equals(getCellString(row.getCell(13))) ? null : StringUtils.removeEnd(getCellString(row.getCell(13)),".0").trim();       if((!StringUtils.isBlank(yearMonth))        && (!yearMonths.contains(yearMonth))){    yearMonths += yearMonth + ",";      }       if(StringUtils.isBlank(companyId)       || StringUtils.isBlank(storeId)   || StringUtils.isBlank(yearMonth)   || StringUtils.isBlank(start)   || StringUtils.isBlank(end)   || StringUtils.isBlank(dwLine)    || StringUtils.isBlank(prodName)    || StringUtils.isBlank(displayId)){   errors += "分公司代码、门店编号、特陈年月、特陈档期开始时间、特陈档期结束时间、干湿别代码、品项名称(计划)和特陈形式代码(计划)不能为空；";       }       if((!StringUtils.isBlank(companyId))        && (!caSpecialPlanMapper.isExistCompanyId(companyId))){   errors += "分公司代码不存在；";      }       if((!StringUtils.isBlank(companyId))        && (!company.equals(companyId))){   errors += "选择分公司与导入分公司不一致";     }       if((!StringUtils.isBlank(storeId))        && (!caSpecialPlanMapper.isExistStoreId(new BigDecimal(storeId).toPlainString()))){   errors += "门店编码不存在；";     }       if((!StringUtils.isBlank(displayId))        && (!caSpecialPlanMapper.isExistDisplayId(new BigDecimal(displayId)))){   errors += "特陈形式编码不存在；";     }       if(((!StringUtils.isBlank(start))         && (!StringUtils.isBlank(end)))   && ((!DateFormat.isDAY(start))  || (!DateFormat.isDAY(end)))){errors += "特陈档期开始时间或者特陈档期结束时间格式应为YYYYMMDD；";      }       if((!StringUtils.isBlank(yearMonth))        && (!DateFormat.isMonth(yearMonth))){   errors += "特陈年月格式应为YYYYMM；";      }       LOGGER.info("start="+start+"\n,end="+end);        if((!StringUtils.isBlank(start))        && (!StringUtils.isBlank(end))    && (DateFormat.compare_date(start,end) == 1)){  errors += "特陈档期结束时间需大于特陈档期开始时间；";     }       if((!StringUtils.isBlank(prodName))         && DateFormat.length(prodName) > 400){    errors += "品项名称(计划)不能超过200个汉字；";      }       if((!StringUtils.isBlank(dwLine))         && (!"0".equals(dwLine))    && (!"1".equals(dwLine))){  errors += "干湿线别代码只能为0或1；";      }       if((!StringUtils.isBlank(yearMonth))        && (!DateFormat.getPreMonth().equals(yearMonth))    && (!DateFormat.getNowMonth().equals(yearMonth))){  errors += "特陈年月不规范，只能导入当月及下月的数据；";      }       if((!StringUtils.isBlank(start))        && (!StringUtils.isBlank(yearMonth))    && DateFormat.getNowMonth().equals(yearMonth)   && DateFormat.compare_date(nowDate,start) == 1){errors += "导入当月特陈计划，特陈档期开始时间需大于当前时间；";      }       if((!StringUtils.isBlank(end))        && (!StringUtils.isBlank(yearMonth))    && DateFormat.dateCompare(yearMonth,end.replace("-", "").substring(0,6)) == 1){ errors += "特陈档期结束时间需不能早于特陈年月；";     }       if((!StringUtils.isBlank(displayId))        && (!BigDecimal.ZERO.setScale(1).equals(new BigDecimal(propertyId).remainder(new BigDecimal(0.5))))){   errors += "特陈属性只允许导入0.5以及0.5的倍数";     }       CanalSpecialPlan specialPlan = new CanalSpecialPlan();        specialPlan.setCompanyId(companyId);//分公司       specialPlan.setStoreId(StringUtils.isBlank(storeId) ? null : new BigDecimal(storeId).toPlainString());//门店编号        specialPlan.setSysId(caSpecialPlanMapper.getSysIdByStoreId(StringUtils.isBlank(storeId) ? null : new BigDecimal(storeId).toPlainString()));//系统编码       specialPlan.setBpmId(bpmId);//BPM促销单号       specialPlan.setYearMonth(yearMonth);//特陈年月        specialPlan.setPromotionDateStart(DateFormat.strToDateFormat(start));//档期开始日期       specialPlan.setPromotionDateEnd(DateFormat.strToDateFormat(end));//档期结束日期       specialPlan.setDwLineStatus(dwLine);//干湿线       specialPlan.setProdName(prodName);//品项名称        specialPlan.setDisplayId(StringUtils.isBlank(displayId) ? null : new BigDecimal(displayId));//特陈形式编码        specialPlan.setPropertyValue(StringUtils.isBlank(propertyId) ? null :new BigDecimal(propertyId));//特陈属性编码       if(!"".equals(errors)){       specialPlan.setIndex(i);      specialPlan.setError(errors);     list.add(specialPlan);      }       else{       specialPlan.setCreateUser(account);//创建人员     caSpecialPlan.add(specialPlan);     }       }         }           if(list.size() == 0){           importSpecialPlanStatus = "true";         if(yearMonths.contains(DateFormat.getPreMonth())){          //删除数据库已存在的下个月的数据       Map<String,String> map =  new HashMap<>();        map.put("yearMonth", DateFormat.getPreMonth());       map.put("company", company);        caSpecialPlanMapper.delCaSpecialPlanByYearMonth(map);       }         caSpecialPlanMapper.insertCanalSpecialPlan(caSpecialPlan);          }           }catch(Exception e){              }finally{             Cookie status = new Cookie("importSpecialPlanStatus", importSpecialPlanStatus);           status.setPath("/buss-ka-special-web");           response.addCookie(status);           }             return list;              }               //把EXCEL Cell原有数据转换成String类型               private String getCellString(Cell cell) {                  if(cell==null) return "";                 String cellSring="";                  switch (cell.getCellType()) {                   case HSSFCell.CELL_TYPE_STRING: // 字符串                    cellSring = cell.getStringCellValue();                  break;                    case HSSFCell.CELL_TYPE_NUMERIC: // 数字                    if (DateUtil.isCellDateFormatted(cell)) {                cellSring = new SimpleDateFormat("yyyyMMdd").format(cell.getDateCellValue()); //日期型              }else {                  cellSring = new DecimalFormat("0").format(cell.getNumericCellValue()); //数字型               }                  //cellSring=String.valueOf(cell.getNumericCellValue());                 break;                  case HSSFCell.CELL_TYPE_BOOLEAN: // Boolean                   cellSring=String.valueOf(cell.getBooleanCellValue());               break;                  case HSSFCell.CELL_TYPE_FORMULA: // 公式                    cellSring=String.valueOf(cell.getCellFormula());                break;                  case HSSFCell.CELL_TYPE_BLANK: // 空值                    cellSring="";                 break;                  case HSSFCell.CELL_TYPE_ERROR: // 故障                    cellSring="";                  break;                   default:                   cellSring="ERROR";                   break;                   }                          return cellSring;                  }                  /**                  * <p>Description: 检验excel是否包含空行</p>                  * <p>Company: 上海旺旺集团有限公司</p>                   * @author 00311332                   * @date 2018年8月30日 下午1:38:22                 */                  public boolean isRowEmpty(Row row) {                 for (int c = row.getFirstCellNum(); c < row.getLastCellNum(); c++) {               Cell cell = row.getCell(c);                if (cell != null && cell.getCellType() != Cell.CELL_TYPE_BLANK)                return false;              }                return true;               }                 @Override               public List<Map<String, Object>> exportCanalSpecialPlan(String yearMonth,String companyId,String companyIds) {                Map<String,String> map = new HashMap<>();             map.put("yearMonth", yearMonth);              map.put("companyId", companyId);              map.put("companyIds", companyIds);              return caSpecialPlanMapper.exportCanalSpecialPlan(map);             }
}

ExportSpecialPlanTools

package com.want.special.util;  import java.text.SimpleDateFormat;
import java.util.List;
import java.util.Map; 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.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.util.CellRangeAddress; public class ExportSpecialPlanTools { private static SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");public static HSSFWorkbook buildExcelDocument(List<Map<String,Object>> list) {  HSSFWorkbook workbook = new HSSFWorkbook(); // 设置页签名称 HSSFSheet sheet = workbook.createSheet("现渠特陈计划"); sheet.setDefaultColumnWidth(15);  sheet.setColumnWidth(8, 35 * 256);  //设置列宽  // 顶部表格样式 HSSFCellStyle cellTableStyle = workbook.createCellStyle();  cellTableStyle.setBorderBottom(CellStyle.BORDER_THIN); // 底部边框  cellTableStyle.setBottomBorderColor(IndexedColors.BLACK.getIndex()); // 底部边框颜色  cellTableStyle.setBorderLeft(CellStyle.BORDER_THIN); // 左边边框  cellTableStyle.setLeftBorderColor(IndexedColors.BLACK.getIndex()); // 左边边框颜色  cellTableStyle.setBorderRight(CellStyle.BORDER_THIN); // 右边边框 cellTableStyle.setRightBorderColor(IndexedColors.BLACK.getIndex()); // 右边边框颜色 cellTableStyle.setBorderTop(CellStyle.BORDER_THIN); // 上边边框 cellTableStyle.setTopBorderColor(IndexedColors.BLACK.getIndex()); // 上边边框颜色 cellTableStyle.setWrapText(true);// 指定单元格自动换行 // 中间数据部分表格样式set  HSSFCellStyle centerCellTableStyle = workbook.createCellStyle();  centerCellTableStyle.setBorderBottom(CellStyle.BORDER_THIN); // 底部边框  centerCellTableStyle.setBottomBorderColor(IndexedColors.BLACK.getIndex()); // 底部边框颜色  centerCellTableStyle.setBorderLeft(CellStyle.BORDER_THIN); // 左边边框  centerCellTableStyle.setLeftBorderColor(IndexedColors.BLACK.getIndex()); // 左边边框颜色  centerCellTableStyle.setBorderRight(CellStyle.BORDER_THIN); // 右边边框 centerCellTableStyle.setRightBorderColor(IndexedColors.BLACK.getIndex()); // 右边边框颜色 centerCellTableStyle.setBorderTop(CellStyle.BORDER_THIN); // 上边边框 centerCellTableStyle.setTopBorderColor(IndexedColors.BLACK.getIndex()); // 上边边框颜色 centerCellTableStyle.setWrapText(true);// 指定单元格自动换行 // 标题样式 HSSFCellStyle titleStyle = workbook.createCellStyle();  titleStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐 titleStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐 // 10号字体，正文适用 HSSFFont centerFont = workbook.createFont();  centerFont.setFontHeightInPoints((short)10);  centerCellTableStyle.setFont(centerFont); centerCellTableStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐 centerCellTableStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); // 指定单元格垂直居中对齐  // 表头样式  HSSFFont font = workbook.createFont();  font.setFontHeightInPoints((short)13);  cellTableStyle.setFont(font); cellTableStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);  cellTableStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); // 指定单元格垂直居中对齐  // 15号字体，标题试用 HSSFFont titleFont = workbook.createFont(); titleFont.setFontHeightInPoints((short)15); titleStyle.setFont(titleFont);  // 标题 HSSFRow row = sheet.createRow(0); row.setHeight((short)500);  HSSFCell cell = row.createCell(0);  cell.setCellStyle(titleStyle);  cell.setCellValue("现渠特陈计划");  CellRangeAddress thirdPartRangeRow10 = new CellRangeAddress((short)0, (short)0, (short)0, (short)10); sheet.addMergedRegion(thirdPartRangeRow10); // 设置顶部信息 setHead(sheet, cellTableStyle); // 设置中部特陈计划与实际报表资料  setCenter(sheet, centerCellTableStyle,list);  return workbook;  } /** * 特陈计划与实际报表表头部分. *      * @param  sheet   表格页签 * @param  cellTableStyle   单元格样式 * @return [返回类型说明] * @exception/throws [违例类型] [违例说明]  * @see   [类、类#方法、类#成员] */ public static void setHead(HSSFSheet sheet, HSSFCellStyle cellTableStyle) { // 第二行  HSSFRow row1 = sheet.createRow(1);  row1.setHeight((short)650); HSSFCell row1cell = row1.createCell(0); row1cell.setCellValue("分公司代码"); row1cell.setCellStyle(cellTableStyle);  HSSFCell row1cell1 = row1.createCell(1);  row1cell1.setCellValue("分公司名称");  row1cell1.setCellStyle(cellTableStyle); HSSFCell row1cell2 = row1.createCell(2);  row1cell2.setCellValue("门店编号"); row1cell2.setCellStyle(cellTableStyle); HSSFCell row1cell3 = row1.createCell(3);  row1cell3.setCellValue("门店名称"); row1cell3.setCellStyle(cellTableStyle); HSSFCell row1cell4 = row1.createCell(4);  row1cell4.setCellValue("门店地址"); row1cell4.setCellStyle(cellTableStyle); HSSFCell row1cell5 = row1.createCell(5);  row1cell5.setCellValue("系统编码"); row1cell5.setCellStyle(cellTableStyle); HSSFCell row1cell6 = row1.createCell(6);  row1cell6.setCellValue("系统名称"); row1cell6.setCellStyle(cellTableStyle); HSSFCell row1cell7 = row1.createCell(7);  row1cell7.setCellValue("BPM促销号"); row1cell7.setCellStyle(cellTableStyle); HSSFCell row1cell8 = row1.createCell(8);  row1cell8.setCellValue("特陈年月"); row1cell8.setCellStyle(cellTableStyle); HSSFCell row1cell9 = row1.createCell(9);  row1cell9.setCellValue("档期开始时间"); row1cell9.setCellStyle(cellTableStyle); HSSFCell row1cell10 = row1.createCell(10);  row1cell10.setCellValue("档期结束时间");  row1cell10.setCellStyle(cellTableStyle);  HSSFCell row1cell11 = row1.createCell(11);  row1cell11.setCellValue("线别代码(计划)");  row1cell11.setCellStyle(cellTableStyle);  HSSFCell row1cell12 = row1.createCell(12);  row1cell12.setCellValue("线别名称(计划)");  row1cell12.setCellStyle(cellTableStyle);  HSSFCell row1cell13 = row1.createCell(13);  row1cell13.setCellValue("品项名称(计划)");  row1cell13.setCellStyle(cellTableStyle);  HSSFCell row1cell14 = row1.createCell(14);  row1cell14.setCellValue("特陈形式代码(计划)");  row1cell14.setCellStyle(cellTableStyle);  HSSFCell row1cell15 = row1.createCell(15);  row1cell15.setCellValue("特陈形式名称(计划)");  row1cell15.setCellStyle(cellTableStyle);  HSSFCell row1cell16 = row1.createCell(16);  row1cell16.setCellValue("特陈属性(计划)");  row1cell16.setCellStyle(cellTableStyle);  HSSFCell row1cell17 = row1.createCell(17);  row1cell17.setCellValue("计划导入时间");  row1cell17.setCellStyle(cellTableStyle);  HSSFCell row1cell18 = row1.createCell(18);  row1cell18.setCellValue("计划导入人员工号");  row1cell18.setCellStyle(cellTableStyle);  HSSFCell row1cell19 = row1.createCell(19);  row1cell19.setCellValue("计划导入人员姓名");  row1cell19.setCellStyle(cellTableStyle);  } /** * 特陈计划与实际报表表body部分（特陈计划、业代、主任资料）.  *  * @param  sheet   execl表格页签  * @param  cellTableStyle   execl表格单元格样式  * @param  helper   特陈计划、业代、主任资料List. * @return [返回类型说明] * @exception/throws [违例类型] [违例说明]  * @see   [类、类#方法、类#成员] */ public static void setCenter(HSSFSheet sheet, HSSFCellStyle cellTableStyle,List<Map<String,Object>> list) { for (int i = 0; i < list.size(); i++) {Map<String, Object> map = list.get(i);  HSSFRow row2 = sheet.createRow(i + 2);  row2.setHeight((short)400); HSSFCell row2cell = row2.createCell(0); row2cell.setCellValue(map.get("COMPANY_ID") != null ? map.get("COMPANY_ID").toString() : ""); row2cell.setCellStyle(cellTableStyle);  HSSFCell row2cell1 = row2.createCell(1);  row2cell1.setCellValue(map.get("COMPANY_NAME") != null ? map.get("COMPANY_NAME").toString() : "");  row2cell1.setCellStyle(cellTableStyle); HSSFCell row2cell2 = row2.createCell(2);  row2cell2.setCellValue(map.get("STORE_ID") != null ? map.get("STORE_ID").toString() : "");  row2cell2.setCellStyle(cellTableStyle); HSSFCell row2cell3 = row2.createCell(3);  row2cell3.setCellValue(map.get("STORE_NAME") != null ? map.get("STORE_NAME").toString() : "");  row2cell3.setCellStyle(cellTableStyle); HSSFCell row2cell4 = row2.createCell(4);  row2cell4.setCellValue(map.get("ADDRESS") != null ? map.get("ADDRESS").toString() : "");  row2cell4.setCellStyle(cellTableStyle); HSSFCell row2cell5 = row2.createCell(5);  row2cell5.setCellValue(map.get("SYS_ID") != null ? map.get("SYS_ID").toString() : "");  row2cell5.setCellStyle(cellTableStyle); HSSFCell row2cell6 = row2.createCell(6);  row2cell6.setCellValue(map.get("SYS_NAME") != null ? map.get("SYS_NAME").toString() : "");  row2cell6.setCellStyle(cellTableStyle); HSSFCell row2cell7 = row2.createCell(7);  row2cell7.setCellValue(map.get("BPM_ID") != null ? map.get("BPM_ID").toString() : "");  row2cell7.setCellStyle(cellTableStyle); HSSFCell row2cell8 = row2.createCell(8);  row2cell8.setCellValue(map.get("YEAR_MONTH") != null ? map.get("YEAR_MONTH").toString() : "");  row2cell8.setCellStyle(cellTableStyle); HSSFCell row2cell9 = row2.createCell(9);  row2cell9.setCellValue(map.get("PROMOTION_DATE_START") != null ? map.get("PROMOTION_DATE_START").toString() : "");  row2cell9.setCellStyle(cellTableStyle); HSSFCell row2cell10 = row2.createCell(10);  row2cell10.setCellValue(map.get("PROMOTION_DATE_END") != null ? map.get("PROMOTION_DATE_END").toString() : ""); row2cell10.setCellStyle(cellTableStyle);  HSSFCell row2cell11 = row2.createCell(11);  row2cell11.setCellValue(map.get("DW_LINE_STATUS") != null ? map.get("DW_LINE_STATUS").toString() : ""); row2cell11.setCellStyle(cellTableStyle);  HSSFCell row2cell12 = row2.createCell(12);  row2cell12.setCellValue(map.get("DW_LINE_NM") != null ? map.get("DW_LINE_NM").toString() : ""); row2cell12.setCellStyle(cellTableStyle);  HSSFCell row2cell13 = row2.createCell(13);  row2cell13.setCellValue(map.get("PROD_NAME") != null ? map.get("PROD_NAME").toString() : ""); row2cell13.setCellStyle(cellTableStyle);  HSSFCell row2cell14 = row2.createCell(14);  row2cell14.setCellValue(map.get("DISPLAY_ID") != null ? map.get("DISPLAY_ID").toString() : ""); row2cell14.setCellStyle(cellTableStyle);  HSSFCell row2cell15 = row2.createCell(15);  row2cell15.setCellValue(map.get("DISPLAY_NAME") != null ? map.get("DISPLAY_NAME").toString() : ""); row2cell15.setCellStyle(cellTableStyle);  HSSFCell row2cell16 = row2.createCell(16);  row2cell16.setCellValue(map.get("PROPERTY_VALUE") != null ? map.get("PROPERTY_VALUE").toString() : ""); row2cell16.setCellStyle(cellTableStyle);  HSSFCell row2cell17 = row2.createCell(17);  row2cell17.setCellValue(map.get("CREATE_DATE") != null ? format.format(map.get("CREATE_DATE")) : ""); row2cell17.setCellStyle(cellTableStyle);  HSSFCell row2cell18 = row2.createCell(18);  row2cell18.setCellValue(map.get("CREATE_USER") != null ? map.get("CREATE_USER").toString() : ""); row2cell18.setCellStyle(cellTableStyle);  HSSFCell row2cell19 = row2.createCell(19);  row2cell19.setCellValue(map.get("EMP_NAME") != null ? map.get("EMP_NAME").toString() : ""); row2cell19.setCellStyle(cellTableStyle);  } }
}

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