多文件导出为ZIP文件

来源：互联网发布：网络剧有毒第一集编辑：程序博客网时间：2024/06/08 16:44

即上次单文件导出为zip压缩包文件，增加多文件导出到同一zip文件中，接口调用，获取图片byte字节数组后，保存为图片文件，存入zip文件中。

/**     * 压缩多个文件到一个zip压缩包中     * @description :     * @date 2016-11-4     * @author liucong     * @param request     * @param response     * @throws Exception      *      *     */    @RequestMapping("/zipMoreFiles")    public void zipMoreFiles(HttpServletRequest request,HttpServletResponse response) throws Exception{        //定义根路径        String rootPath = request.getRealPath("/");        //创建文件        File file = new File(rootPath+"temp_download");        //判断文件是否存在，如果不存在，则创建此文件夹        if(!file.exists()){            file.mkdir();        }        String name = "图片压缩包下载";        String fileName = name+new Date().getTime();        String zipFileName = fileName + ".zip";        File zipFile = null;        String path = rootPath + "temp_download";        //获取本地文件夹中图片集合，事先准备好图片        File files = new File("F:\\images\\");        //获取该文件夹中的图片文件数组        File[] filelist = files.listFiles();        // 打成压缩包        zipFile = new File(path + "/" + zipFileName);        FileOutputStream zipFos = new FileOutputStream(zipFile);        ArchiveOutputStream archOut = new ArchiveStreamFactory().createArchiveOutputStream(ArchiveStreamFactory.ZIP, zipFos);        if (archOut instanceof ZipArchiveOutputStream) {            ZipArchiveOutputStream zos = (ZipArchiveOutputStream) archOut;            for(File imageFile : filelist){                ZipArchiveEntry zipEntry = new ZipArchiveEntry(imageFile, imageFile.getName());                zos.putArchiveEntry(zipEntry);                zos.write(FileUtils.readFileToByteArray(imageFile));                zos.closeArchiveEntry();                zos.flush();            }            zos.close();        }        // 输出到客户端        OutputStream out = null;        out = response.getOutputStream();        response.reset();        response.setHeader("Content-Disposition", "attachment;filename=" + new String(zipFileName.getBytes("GB2312"), "ISO-8859-1"));        response.setContentType("application/octet-stream; charset=utf-8");        response.setCharacterEncoding("UTF-8");        out.write(FileUtils.readFileToByteArray(zipFile));        out.flush();        out.close();        // 输出客户端结束后，删除压缩包        if (zipFile.exists()) {            zipFile.delete();        }    }

调用接口获取图片保存为ZIP文件

    /**     * 思路：     * 如果ex_enFlag ： 1---查询出口流水列表     *               0---查询入库哦流水列表     * 1、获取出口获取入口流水信息列表     * 2、如果是出口，判断路段编号是否相同，如果相同，则调用路段接口获取，如果不相同，则调用平台接口获取     * 3、如果是入口，则直接调用路段入口图像接口获取。     *      * @description :出入口导出图片公用方法     * @date 2016-11-2     * @author liucong     * @param request     * @param response     * @param sqlString : 高级查询中的sql语句     * @param cpucardsnno ： 通行卡号     * @param laneserialno : 出口流水号，入口流水号     * @param ex_enFlag 代表出入口标识，ex---代表出口导出图片，en----代表入口导出图片     * @throws Exception     */    @RequestMapping("/exportPicture")    public void exportPicture(HttpServletRequest request,HttpServletResponse response,String sqlString,String cpucardsnno,String laneserialno,Integer condition,String ex_enFlag) throws Exception {        //1、获取查询条件，查询获取list集合        int roadid = SessionUtil.getSessionUser().getDefaultroadid();        Map<String, Object> params = new HashMap<String, Object>();//this.handleFilterCondition(request);        String sqlInfo = "";        try {            //获取出口流水，或者入口流水号            laneserialno = URLDecoder.decode(URLDecoder.decode(laneserialno,"UTF-8"),"UTF-8");            //获取通行卡号            cpucardsnno = URLDecoder.decode(URLDecoder.decode(cpucardsnno,"UTF-8"),"UTF-8");            //sqlInfo 信息，URLDecoder 进行转码，防止中文乱码            sqlInfo = URLDecoder.decode(URLDecoder.decode(sqlString,"UTF-8"),"UTF-8");        } catch (UnsupportedEncodingException e1) {            e1.printStackTrace();        }        //以上代码均是获取传入的查询条件        Page page = null;        if("ex".equals(ex_enFlag)){//查询出口流水信息表，获取page对象，通过page 对象，可以获取到list集合            if(condition == null){                params.put("laneexserialno", "-00000");            }else if(condition == 0){                params.put("laneexserialno",laneserialno);                params.put("excpucardsnno", cpucardsnno);            }else{                params.put("sqlInfo", sqlInfo);            }            page = roadChargeExportDataService.exportData(request, LaneexlistDAO.class.getName(), "getLaneexlistListByCondition", "countLaneexlistByCondition", params,ExportImageCount);        }else{//查询入口流水信息表            if(condition == null){                params.put("laneenserialno", "-00000");            }else if(condition==1){                params.put("sqlInfo", sqlInfo);            }else{                params.put("laneenserialno", laneserialno);                params.put("encpucardsnno",cpucardsnno);            }            page = roadChargeExportDataService.exportData(request, LaneenlistDAO_RS.class.getName(), "getLaneenlistListByCondition", "countLaneenlistByCondition", params,ExportImageCount);        }        //2、循环遍历list集合，调用接口获取图片的byte数据，放入压缩文件中        String rootPath = request.getRealPath("/");        int count = page.getTotalCount();        if(count <= ExportImageCount){// && page.getResult().size() >0            List<Laneenlist> laneenlistList = new ArrayList<Laneenlist>();            List<Laneexlist> laneexlistList = new ArrayList<Laneexlist>();            if("ex".equals(ex_enFlag)){                if(count > 0){                    laneexlistList = page.getResult();                }            }else{                if(count >0 ){                    laneenlistList = page.getResult();                }            }            try{                File file = new File(rootPath+"temp_download");                if(!file.exists()){                    file.mkdir();                }                String zipFileName = "";                if("ex".equals(ex_enFlag)){                    zipFileName = "出口流水图片.zip";                }else{                    zipFileName = "入口流水图片.zip";                }                //String fileName = ex_enFlag;                //String zipFileName = fileName + ".zip";                File zipFile = null;                String path = rootPath + "temp_download";                /*                 * 用JDK自带的zipentry压缩后，压缩包中的文件名中文乱码，故放弃此种方法，使用commons-compress-1.6.jar包                 * ZipEntry zipEntry = new ZipEntry(new                 * String(txtFile.getName().getBytes("GB2312"),"ISO-8859-1"));                 * zos.putNextEntry(zipEntry); ZipOutputStream zos = new                 * ZipOutputStream(zipFos); ZipEntry zipEntry = new ZipEntry(new                 * String(txtFile.getName().getBytes("GB2312"),"ISO-8859-1")); zos.                 * putNextEntry(zipEntry);                 * zos.write(FileUtils.readFileToByteArray(txtFile)); zos.flush();                 * zos.close();                 */                // 打成压缩包                zipFile = new File(path + "/" + zipFileName);                FileOutputStream zipFos = new FileOutputStream(zipFile);                ArchiveOutputStream archOut = new ArchiveStreamFactory().createArchiveOutputStream(ArchiveStreamFactory.ZIP, zipFos);                if (archOut instanceof ZipArchiveOutputStream) {                    ZipArchiveOutputStream zos = (ZipArchiveOutputStream) archOut;                    //循环遍历list,获取图片序列号，通过序列号调用接口获取图片。                    if("ex".equals(ex_enFlag)){                        for(Laneexlist laneexlist : laneexlistList){                            byte[] imgData = null;                            String imageSerialNo = laneexlist.getImageserialno();                            Long enRoadid = laneexlist.getEnroadid();                            if(roadid == enRoadid){                                try{                                    //调用接口获取byte字节数组（image对象转换而来）                                    imgData = listimageService.getImageByExSerialNo(imageSerialNo);                                }catch (Exception e) {                                }                            }else{                                try{                                    imgData = commonDealService.getPTServiceImage(request, response, imageSerialNo, enRoadid.toString());                                }catch (Exception e) {                                }                            }                            //将byte字节数组保存为图片                            File imageFile = commonDealService.save(path, ex_enFlag, imgData, imageSerialNo);                            commonDealService.putZipFiles(imageFile, zos);                        }                        zos.close();//关闭输出流                    }else{                        for(Laneenlist laneenlist : laneenlistList){                            String imageSerialNo = laneenlist.getImageserialno();                            byte[] imgData = null;                            try{                                imgData = listimageService.getImageByEnSerialNo(imageSerialNo);                            }catch(Exception e){                            }                            File imageFile = commonDealService.save(path, ex_enFlag, imgData, imageSerialNo);                            //将文件put进入                            commonDealService.putZipFiles(imageFile, zos);                        }                        zos.close();                    }                }                // 输出到客户端                OutputStream out = null;                out = response.getOutputStream();                response.reset();                response.setHeader("Content-Disposition", "attachment;filename=" + new String(zipFileName.getBytes("GB2312"), "ISO-8859-1"));                response.setContentType("application/octet-stream; charset=utf-8");                response.setCharacterEncoding("UTF-8");                out.write(FileUtils.readFileToByteArray(zipFile));                out.flush();                out.close();                // 输出客户端结束后，删除压缩包                if (zipFile.exists()) {                    zipFile.delete();                }            } catch (Exception e) {                e.printStackTrace();            }        }else{            response.setCharacterEncoding("gbk");            try {                PrintWriter writer = response.getWriter();                //if(page.getResult().size()>0){                    writer.write("记录数大于"+ExportImageCount+"，请分时间段导出！");                //}else{                    //writer.write("暂无数据记录，不能生成zip压缩文件！");                //}                writer.close();            } catch (IOException e) {                e.printStackTrace();            }        }    }CommonDealService代码    /**     * 将图片文件保存到本地     * @author liucong     * 思路：调用路段接口进行查询图片信息，获取byte数据，保存文件。     */    public File save(String path,String ex_enFlag,byte[] data,String imageSerialno) throws Exception   //保存图片到相应的路径下    {        File imageFile = null;        //new一个文件对象用来保存图片，默认保存当前工程根目录          if(data != null && data.length >0){            Random random = new Random();            imageFile = new File(path+File.separator+ex_enFlag+"_"+imageSerialno+".jpg");              //创建输出流              FileOutputStream outStream = new FileOutputStream(imageFile);              //写入数据              outStream.write(data);              //关闭输出流              outStream.close();        }        return imageFile;    }    /**     * 将文件put进入zip 文件中，     * @description :     * @date 2016-11-4     * @author liucong     * @param imageFile 图片文件     * @param zos zip输出流     * @throws IOException     *      *     */    public void putZipFiles(File imageFile,ZipArchiveOutputStream zos) throws IOException{        if(imageFile != null && imageFile.exists()){            //加入压缩文件中            ZipArchiveEntry zipEntry = new ZipArchiveEntry(imageFile, imageFile.getName());            zos.putArchiveEntry(zipEntry);            zos.write(FileUtils.readFileToByteArray(imageFile));            zos.closeArchiveEntry();            zos.flush();            imageFile.delete();        }    }

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