文件上传显示保存到数据库实现类

public class UpLoadAction extends ActionSupport implements
				ServletRequestAware,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 block
			e.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