java 批量导出（zip文件）

1.java 批量导出pdf（将pdf压缩成zip文件导出）

@RequestMapping(value = "/batchExportPdf")
    public void batchExportPdf(HttpServletRequest request, ModelMap map, Long exportYear, String orgIds, String type,String tabType,
            HttpServletResponse response) throws IOException{
        List<Map<String, Object>> fileList = new ArrayList<>();
        String zipFileName="";
        Long year = exportYear;
        String[] org_ids = orgIds.split(",");
        for (String orgId : org_ids) {
            BasOrg basOrg = basOrgService.findByOrgId(Long.valueOf(orgId));

            File file = null;
            DocFileNew docFileNew = docFileNewService.findByFileTypeAndLeaseYearAndTabTypeAndOrgId(type,year.toString(),tabType,Long.valueOf(orgId));
            if (docFileNew != null && !docFileNew.getIsUse().equals(SysContent.IS_USE_N)){// 判断文件是否存在
                String filepath = docFileNew.getFilePath();
                file = new File(filepath);// 获取模板文件
                if (file.exists()) {
                    // 取得文件名。
                    String filename = file.getName();
                    // 取得文件的后缀名。
                    String ext = filename.substring(filename.lastIndexOf(".") + 1).toUpperCase();

                    // 以流的形式下载文件。
                    InputStream fis = new BufferedInputStream(new FileInputStream(filepath));
                    byte[] buffer = new byte[fis.available()];
                    fis.read(buffer);
                    fis.close();
                    if(filename.contains(".pdf")){
                        filename = year.toString() + "年度" + basOrg.getOrgName() + "批复函.pdf";  //重命名
                    }else if(filename.contains(".zip")){
                        filename = year.toString() + "年度" + basOrg.getOrgName() + "批复函.zip";
                    }
                    Map<String, Object> fileMap = new HashMap<String, Object>();
                    fileMap.put("fileName", filename);
                    fileMap.put("pdf", buffer);
                    fileList.add(fileMap);
                }
            }
        }
        
        //zip压缩包名称
        zipFileName = year.toString() + "年度批复函.zip";
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/x-download");
        zipFileName = URLEncoder.encode(zipFileName, "UTF-8");
        response.addHeader("Content-Disposition", "attachment;filename=" + zipFileName);
        try (OutputStream os = response.getOutputStream()) {
            toPDFZip(fileList, os);
        }
        
    }

/**
     * 将批复函压缩成zip(导出pdf)
     * @param srcFiles
     * @param out
     */
    public static void toPDFZip(List<Map<String, Object>> srcFiles, OutputStream out) {
        try (ZipOutputStream zos = new ZipOutputStream(out);) {
            // 最终压缩文件
            for (Map<String, Object> mapFile : srcFiles) {
                String fileName = mapFile.get("fileName").toString();
                byte[] buffer = (byte[]) mapFile.get("pdf");
                ZipEntry entry = new ZipEntry(fileName);
                zos.putNextEntry(entry);
                zos.write(buffer);
            }
            zos.flush();
            zos.close();
        } catch (Exception e) {
            throw new RuntimeException("zip error", e);
        }
    }

2.java 批量导出excel（将excel压缩成zip文件导出）

/*
     * 批量下载excel文件
     */
    @RequestMapping(value = "/exportExcelBatch")
    public void exportExcelBatch(HttpServletRequest request, HttpServletResponse response,ModelMap map,String teamIds)throws Exception {
        String[] teamIdsArr= teamIds.split(",");
        Long[] convert = (Long[]) ConvertUtils.convert(teamIdsArr, Long.class);
        List<Long> teamIdsList = Arrays.asList(convert);
        // 生成所有的excel
        List<Map<String, Object>> fileList = new ArrayList<>();
        for (Long teamId : teamIdsList) {
            List<Map> recMaps = new ArrayList<>();
            ProjectTeamMain entity=projectteammainService.findProjectTeamMain(teamId);
            List<Map> lis =projectteamorgService.findByTeamIdAndIsUse(teamId,SysContent.IS_USE_Y,null);
            Integer allSum=0;
            Integer operateAll=0;
            Integer leaseAll=0;
            Integer wechatAll=0;
            Integer protectAll=0;
            if(lis.size()>0){
                for(Map entityOrg:lis){
                    Map res=new HashMap();
                    //获取项目申报人和手机号
                    List<Map<String, Object>> list= projectteammainService.findReportPeople(
                        Long.parseLong(entityOrg.get("TEAM_ID").toString()),Long.parseLong(entityOrg.get("ORG_ID").toString()),entityOrg.get("YEAR").toString());
                    if(list.size()>0){
                        res.put("PEOPLE",list.get(0).get("NAME"));
                        res.put("PHONE", list.get(0).get("PHONE"));
                    }
                    res.put("ORG_NAME", entityOrg.get("ORG_NAME").toString());
                    if(entityOrg.get("OPERATESUM")!=null && !entityOrg.get("OPERATESUM").toString().equals("0")){
                        res.put("OPERATESUM", entityOrg.get("OPERATESUM").toString());
                        operateAll+=Integer.parseInt(entityOrg.get("OPERATESUM").toString());
                    }
                    if(entityOrg.get("LEASESUM")!=null && !entityOrg.get("LEASESUM").toString().equals("0")){
                        res.put("LEASESUM", entityOrg.get("LEASESUM").toString());
                        leaseAll+=Integer.parseInt(entityOrg.get("LEASESUM").toString());
                    }
                    if(entityOrg.get("WECHATSUM")!=null && !entityOrg.get("WECHATSUM").toString().equals("0")){
                        res.put("WECHATSUM", entityOrg.get("WECHATSUM").toString());
                        wechatAll+=Integer.parseInt(entityOrg.get("WECHATSUM").toString());
                    }
                    if(entityOrg.get("PROTECTSUM")!=null && !entityOrg.get("PROTECTSUM").toString().equals("0")){
                        res.put("PROTECTSUM", entityOrg.get("PROTECTSUM").toString());
                        protectAll+=Integer.parseInt(entityOrg.get("PROTECTSUM").toString());
                    }
                    res.put("REMARK", entityOrg.get("REMARK"));
                    recMaps.add(res);
                }
                allSum=operateAll+leaseAll+wechatAll+protectAll;
                Map last=new HashMap();
                last.put("ORG_NAME", "合计("+allSum+")");
                if(operateAll!=0){
                    last.put("OPERATESUM",operateAll);
                }
                if(leaseAll!=0){
                    last.put("LEASESUM", leaseAll);
                }
                if(wechatAll!=0){
                    last.put("WECHATSUM", wechatAll);
                }
                if(protectAll!=0){
                    last.put("PROTECTSUM", protectAll);
                }
                recMaps.add(last);
            }
            SimpleDateFormat sdfF = new SimpleDateFormat( "yyyy-MM-dd" );
            map.addAttribute("teamName", entity.getTeamName());
            map.addAttribute("startTime", sdfF.format(entity.getStartTime()));
            map.addAttribute("projectType", lis.get(0).get("PROJECT_TYPE_TEXT_").toString());
            SimpleDateFormat sdf = new SimpleDateFormat( "yyyy年MM月dd日 " );
            String fileName = "";
            //fileName +=sdf.format(entity.getStartTime());
            //fileName += "专审项目分组明细表";
            fileName +=entity.getTeamName();
            fileName += ".xls";
            map.addAttribute("recMaps", recMaps);
            map.put(JXLSExcelView.EXCEL_EXPORT_FILE_NAME, fileName);                    //导出文件名称
            map.put(JXLSExcelView.EXCEL_TEMPLATE_FILE_NAME, "专审项目分组明细表.xls");     //excel模板名称
            
            // 生成Excel文件
            String templateName = "专审项目分组明细表.xls";
            String srcFilePath = "/static/resources/excel/" + templateName;
            ServletContextResource resource = new ServletContextResource(request.getSession().getServletContext(),srcFilePath);
    
            XLSTransformer form = new XLSTransformer();
            try (InputStream is = resource.getInputStream();) {
                Workbook workbook = form.transformXLS(is, map);
                Map<String, Object> fileMap = new HashMap<String, Object>();
                fileMap.put("xls", workbook);
                fileMap.put("fileName", fileName);
                fileList.add(fileMap);
            } catch (Exception e) {
                logger.error("文件输入流异常", e);
            }
            
        }
        String filename = URLEncoder.encode("专审项目分组明细表.zip", "UTF-8");
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/x-download");
        response.addHeader("Content-Disposition", "attachment;filename=" + filename);
        try (OutputStream os = response.getOutputStream()) {
            toZip(fileList, os);
        }

    }

/**
     * 将excel压缩成zip文件导出
     * 
     * @param srcFiles
     * @param out
     */
    public static void toZip(List<Map<String, Object>> srcFiles, OutputStream out) {
        try (ZipOutputStream zos = new ZipOutputStream(out);) {
            // 最终压缩文件
            for (Map<String, Object> mapFile : srcFiles) {
                String fileName = mapFile.get("fileName").toString();
                Workbook tplDoc = (Workbook) mapFile.get("xls");
                ZipEntry entry = new ZipEntry(fileName);
                zos.putNextEntry(entry);
                tplDoc.write(zos);
                zos.closeEntry();
            }
        } catch (Exception e) {
            throw new RuntimeException("zip error", e);
        }
    }

package com.ustc.core;

import java.util.List;
import java.util.Map;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.view.AbstractView;

public class JXLSExcelView extends AbstractView
{
  public static final String EXCEL_EXPORT_FILE_NAME = "ExcelExportFileName";//导出的名字
  public static final String EXCEL_TEMPLATE_FILE_NAME = "ExcelTemplateFileName";//模板名字
  public static final String EXCEL_SHEET_NAMES = "ExcelSheetNames";
  public static final String MUTIL_SHEET_DATA_KEY = "MutilSheetDataKey";
  private static final String CONTENT_TYPE = "application/vnd.ms-excel";
  private XLSTransformerExt transformer;

  public JXLSExcelView()
  {
    this.transformer = new XLSTransformerExt();
    setContentType(JXLSExcelView.CONTENT_TYPE);
  }

  protected boolean generatesDownloadContent()
  {
    return true;
  }

  protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request, HttpServletResponse response)
    throws Exception
  {
    String fileName = (String)model.get(JXLSExcelView.EXCEL_EXPORT_FILE_NAME);
    String templateName = (String)model.get(JXLSExcelView.EXCEL_TEMPLATE_FILE_NAME);
    List newSheetNames = (List)model.get(JXLSExcelView.EXCEL_SHEET_NAMES);

    response.setHeader("content-disposition", "attachment; filename=" + new String(fileName.getBytes("gb2312"), "ISO8859-1"));

    String srcFilePath = "/static/resources/excel/" + templateName;
    System.out.println("srcFilePath="+srcFilePath);

    try(ServletOutputStream out = response.getOutputStream();){

    if (newSheetNames == null)
      this.transformer.transformXLS(request.getSession().getServletContext(), srcFilePath, model, out);
    else {
      this.transformer.transformMultipleSheetsList(srcFilePath, (List)model.get(JXLSExcelView.MUTIL_SHEET_DATA_KEY), newSheetNames, out);
    }

    out.flush();
    }
  }
}

excel模板示例