zip压缩下载

zip压缩下载 Action /** * 压压压下 * @author 李蒙 * @return * @throws Exception */ public String bathdownloadAttachment() throws Exception { //压压压压压压压压压压压下名字中文乱 strZipName=new String("压压压压压意度自述告.zip".getBytes("GBK"), "ISO-8859-1"); inputStream=batchDownloadAttchService.bathdownloadAttachment(selfReportsIds); return "bathdownloadAttachment"; } Service /** * @功能:附件压压压压 * @author 李蒙 * @return * @throws Exception */ public InputStream bathdownloadAttachment(List selfReportsIds) throws Exception { byte[] buffer = new byte[8094]; //压压压压压压压压压压压压压压置写入服器名字加上戳区分附件 String writeName = System.currentTimeMillis()+".zip"; //压压附件 List f=this.findTpmsReSelfReports(selfReportsIds); //服起路径压压压压 String saveRootPath=ServletActionContext.getRequest().getSession().getServletContext().getRealPath(File.separator); //生成附件的路径 String fileRelativePath = saveRootPath+File.separator+"reportsUploads"+File.separator+writeName; //在fileRelativePath生成文件 File file = new File(fileRelativePath); if(f.size()!=0&&f!=null){ //写入文件 ZipOutputStream outInputStream = new ZipOutputStream(new FileOutputStream(fileRelativePath)); for (int i = 0; i < f.size(); i++) { fileInputStream = new FileInputStream(f.get(i)); outInputStream.putNextEntry(new ZipEntry(f.get(i).getName())); int len; // 压压压压压压压压压压压压入需要下的文件的

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,打包到zip 文件 while ((len = fileInputStream.read(buffer)) > 0) { outInputStream.write(buffer, 0, len); } outInputStream.closeEntry(); fileInputStream.close(); } inputStream = new FileInputStream(file); outInputStream.close(); return inputStream; } return null; } Struts application/octet-stream;charset=ISO8859-1 inputStream attachment;filename="${strZipName}" 8094