文件上传显示保存到数据库实现类
public class UpLoadAction extends ActionSupport implementsServletRequestAware,ServletResponseAware {private HttpServletRequest request;private HttpServletResponse response;private List<File> uploadFile;private List<String> uploadFileContentType;private List<String> uploadFileFileName;public void setServletRequest(HttpServletRequest request) {this.request = request;}public void setServletResponse(HttpServletResponse response) {this.response = response;}/** * 上传图片，至路径保存至数据库 * @return * @throws Exception */public String uploadImage() throws Exception {String savePath = request.getSession().getServletContext().getRealPath("/upload/temp");String result = "error";File dir = new File(savePath);if (!dir.exists()) {dir.mkdirs();}List<File> files = getUploadFile();if((files!=null) && (files.size()>0)){for (int i = 0; i < files.size(); i++) {FileUtils.copyFile(files.get(i), new File(savePath + "//"+ getUploadFileFileName().get(i)));}}else{return result;}return SUCCESS;}/** * 显示图片 * @return */public String getHotelImage(){ try { String name = request.getParameter("name"); name = request.getSession().getServletContext().getRealPath("/") +"upload/hotel/" + name; FileInputStream fi = new FileInputStream(name); BufferedInputStream bi = new BufferedInputStream(fi); int c =0; while((c=bi.read())!=-1){response.getWriter().write(c); } response.getWriter().flush(); fi.close();} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}return "success";}/** * 持久化到数据库 * @return */public String insertiImageInfo() {try{hotelimage = new HotelImage();hotelimage.setImageTitle(imageTitle); String image = request.getParameter("uploadFileName"); hotelimage.setImageName(request.getParameter("oldUploadFileName")); String savePath = request.getSession().getServletContext().getRealPath("/upload"); try { hotelimage.setImagePath(URLEncoder.encode( image,"utf-8"));FileUtils.copyFile(new File(savePath+"/temp/" + hotelimage.getImagePath()), new File(savePath+"/hotel/" + hotelimage.getImagePath()));} catch (Exception e) {e.printStackTrace(); }HttpSession session = request.getSession();//验证用户是否已登录if(session.getAttribute("AdminSession")!=null){UserInfo userInfo = (UserInfo) session.getAttribute("AdminSession");if(userInfo!=null){hotelimage.setUploadUserId(Integer.parseInt(userInfo.getId()));}}else{hotelimage.setUploadUserId(0);}hotelimage.setHotelId(hotelId);hotelimage.setImageType(imageType);hotelimage.setImageDesc(content);int t = hotelImageService.addHotelImageService(hotelimage);if(t<=0){return "error";}hotelId="0";imageType="0";imageTitle="";}catch(Exception ex){ex.printStackTrace();return "error";}return "success";}public String goEditImage(){String id = request.getParameter("id");HotelImage image = hotelImageService.getImageByID(Long.valueOf(id));List<HotelInfo> hotels = hotelImageService.queryHotelListService(hotelInfo);request.setAttribute("hotels", hotels);request.setAttribute("image", image);if("audit".equals(request.getParameter("type"))){return "audit";}return "success";}public String editImage() {try{hotelimage = new HotelImage();hotelimage.setImageTitle(imageTitle);String image = request.getParameter("uploadFileName");hotelimage.setImageName(request.getParameter("oldUploadFileName"));String savePath = request.getSession().getServletContext().getRealPath("/upload");try { hotelimage.setImagePath(URLEncoder.encode( image,"utf-8")); if(!"0".equals(request.getParameter("upload"))){FileUtils.copyFile(new File(savePath+"/temp/" + hotelimage.getImagePath()), new File(savePath+"/hotel/" + hotelimage.getImagePath())); }} catch (Exception e) {e.printStackTrace();}HttpSession session = request.getSession();//验证用户是否已登录if(session.getAttribute("AdminSession")!=null){UserInfo userInfo = (UserInfo) session.getAttribute("AdminSession");if(userInfo!=null){hotelimage.setUploadUserId(Integer.parseInt(userInfo.getId()));}}else{hotelimage.setUploadUserId(0);}hotelimage.setHotelId(hotelId);hotelimage.setImageType(imageType);hotelimage.setImageDesc(content);hotelimage.setImageId(imageId);int t = hotelImageService.updateImage(hotelimage);if(t<=0){return "error";}hotelId="0";imageType="0";imageTitle="";}catch(Exception ex){ex.printStackTrace();return "error";}return ActionSupport.SUCCESS;}public String auditImage() {HttpServletRequest request = ServletActionContext.getRequest();HttpSession session = request.getSession();UserInfo userInfo = (UserInfo) session.getAttribute("AdminSession"); HotelImage image =new HotelImage(); image.setImageId(imageId); image.setAudit_flag(request.getParameter("audit_flag")); image.setAudit_fault_reson(request.getParameter("audit_fault_reason")); image.setAudit_user(Integer.valueOf(userInfo.getId())); hotelImageService.auditImage(image);return ActionSupport.SUCCESS;}public String deleteImage(){HttpServletRequest request = ServletActionContext.getRequest();String [] ids = request.getParameterValues("checkedIds");String newsIds = StringUtils.join(ids, ",");hotelImageService.deleteImageByIds(newsIds);return "success";}public String getGallerialImage(){HotelImage image = new HotelImage();image.setStartRow(1);image.setPageSize(20);String path = request.getContextPath() +"/upload/hotel/";List<HotelImage> list = hotelImageService.getImageList(image);List<GalleriaImage> galleriaImages = new ArrayList<GalleriaImage>();GalleriaImage galleriaImage = null;for(int i=0;i<list.size();i++){galleriaImage = new GalleriaImage();image = list.get(i);galleriaImage.setDescription(image.getImageDesc());galleriaImage.setImage(path+image.getImagePath());galleriaImage.setTitle(image.getImageTitle());galleriaImages.add(galleriaImage);}JSONArray jo = JSONArray.fromObject(galleriaImages); json = jo.toString();return "success";}}//getter setter略?