将以前的自已写的东西代走，以备以后用——文件上传下载
public class ESImgUploadUtil extends FrameworkObject {/* * 文件上传功能 * @author LYJ * @date 2010/09/05 */private static final long serialVersionUID = 1L;private long sysMaxSize = (5024*1024); private List fileTypes = Arrays.asList(new String[]{".GIF",".JPG",".JPEG"}); public static final String FILE_SEPARATOR = "file.separator"; public static final String DEFAULT_FILE_UPLOAD_PATH = "repository"; private String msg = ""; private ESImgUploadModel eSImgUploadModel = new ESImgUploadModel(); private EsRepairFacade facade = new EsRepairFacade(); private List upLoadFileList = new ArrayList(); public String imgFileUpLoad(HttpServletRequest request,String curId,String itemId){ DiskFileUpload diskFileUpload = new DiskFileUpload(); //设置文件流编码 if(request.getCharacterEncoding().equals("")||request.getCharacterEncoding()==null){ diskFileUpload.setHeaderEncoding("UTF_8"); }else{ diskFileUpload.setHeaderEncoding(request.getCharacterEncoding()); } //获得用户当前项目路径 String dir = getProperty(USER_DIR); String tempDir = dir+"\\imgTemp"; String upLoadDir = dir+"\\imgUpLoad"; File temp_Dir = new File(tempDir); File upLoad_Dir = new File(upLoadDir); eSImgUploadModel.setSizeMax(sysMaxSize); //检查目是否存在,若不存在 刚创建此目录 try { if(!temp_Dir.exists()){ //创建目录 temp_Dir.mkdir(); } if(!upLoad_Dir.exists()){ upLoad_Dir.mkdir(); }} catch (Exception e) {msg += e.getMessage();} //设置上传文件大小 diskFileUpload.setSizeMax(sysMaxSize); //设置充许存在在内存缓存中的大小 diskFileUpload.setSizeThreshold(4096); //设置上传文件的大小一但超过setSizeThreshold大小时，即存到RepositoryPath的物理路径下 diskFileUpload.setRepositoryPath(DEFAULT_FILE_UPLOAD_PATH + System.getProperty(FILE_SEPARATOR)); //得到上传信息 try { List list = diskFileUpload.parseRequest(request); Iterator iter = list.iterator(); while(iter.hasNext()){ FileItem item = (FileItem)iter.next(); if(!item.isFormField()){ eSImgUploadModel.setItemId(itemId); String fileName = item.getName(); eSImgUploadModel.setFilePath(upLoadDir); fileName = fileName.substring(fileName.lastIndexOf("\")+1);//获得文件名，且不包括路路径 eSImgUploadModel.setFileName(fileName); long fileSize = item.getSize(); eSImgUploadModel.setFileSize(fileSize); //获取文件类型 String fileType = fileName.substring(fileName.lastIndexOf(".")); eSImgUploadModel.setFileType(fileType); fileType = fileType.toUpperCase(); if(fileTypes.contains(fileType)){ if(fileName != null && !fileName.equals("") && fileSize!= 0){ //开始操作文件的上读入 item.write(new File(upLoadDir,fileName)); upLoadFileList.add(eSImgUploadModel); facade.upLoadPhoto(eSImgUploadModel,curId); } }else{ msg += "SERVICE.MESSAGE_FILE_TYPE"; } } }} catch (FileUploadException e) {msg += e.getMessage();} catch (Exception e) {msg += e.getMessage();} return msg; } public String getMessage(){ return this.msg; } public List upLoadFileList(){ if(this.upLoadFileList.size()< 1){ return null; }else{ return this.upLoadFileList; } } }?