SpringMVC上传图片与访问

<Host name="localhost" appBase="webapps"unpackWARs="true" autoDeploy="true"><Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"prefix="localhost_access_log." suffix=".txt"pattern="%h %l %u %t "%r" %s %b" /><!-- add(save pictures) --><Context path="/upload" docBase="E:/Java/img/upload"></Context></Host>

JSONObject rs=new JSONObject();CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());String url="";if (multipartResolver.isMultipart(request)) {MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;Iterator<String> iter = multiRequest.getFileNames();while (iter.hasNext()) {MultipartFile file = multiRequest.getFile((String) iter.next());if (file != null) {String originalFileName = file.getOriginalFilename();String[] f = originalFileName.split("//.");String ext = "";if(f!=null && f.length>1){ext = f[f.length-1];System.out.println(ext);}System.out.println(allowImgType==null);if(!allowImgType.contains(ext.toUpperCase())){rs.put("code", "ERR_UPLOAD_0003");rs.put("msg", "类型错误");return rs;}//String basePath="/WEB-INF/resources/upload";//String filePathName = request.getSession().getServletContext().getRealPath(basePath);String filePathName=Constant.IMG_PATH+File.separator+"upload";url = filePathName;System.out.println(url);//上传后记录在path这个路径下。File localFile = new File(filePathName);if(!localFile.exists()){ localFile.mkdir(); } //compressString fname =new Date().getTime()+"."+ext;String originalFname = fname.substring(0,fname.indexOf("."))+"_original."+ext;String fileName = filePathName + File.separator + fname;String oFileName = filePathName + File.separator + originalFname;File infile = new File(fileName);File oFile = new File(oFileName); try{ImageHelper.compress(file.getInputStream(), 600, infile);file.transferTo(oFile);//original 上传原图JSONObject obj = new JSONObject();rs.put("code", Constant.CODE_SUCCESS);rs.put("data", obj.toString());}catch(Exception e){rs.put("code", "ERR_UPLOAD_0001");rs.put("msg", "ERR_UPLOAD_0001");e.printStackTrace();return rs;}}