1 <img width="100" height="100" id="allUrl" src="${brand.imgUrl }"/>2 <input type="hidden" name="imgUrl" id="imgUrl" value="${brand.imgUrl }"/>3 <input type="file" name="pic" onchange="uploadPic()"/>

 1 //上传图片 2 function uploadPic(){ 3     //jquery.form.js 4     var options = { 5             url : "/upload/uploadPic.do", 6             dataType : "json", 7             type : "post", 8             success : function(data){ 9                 $("#allUrl").attr("src",data.url);10                 $("#imgUrl").val(data.url);11             }12     }13     $("#jvForm").ajaxSubmit(options);14 }

1 <!-- 图片上传 -->2     <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"/>

# connect timeout in seconds# default value is 30sconnect_timeout=30# network timeout in seconds# default value is 30snetwork_timeout=60# the base path to store log filesbase_path=/home/fastdfs# tracker_server can ocur more than once, and tracker_server format is#  "host:port", host can be hostname or ip addresstracker_server=119.29.146.187:22122#tracker_server=119.29.146.187:22122#standard log level as syslog, case insensitive, value list:### emerg for emergency### alert### crit for critical### error### warn for warning### notice### info### debuglog_level=info# if use connection pool# default value is false# since V4.05use_connection_pool = false# connections whose the idle time exceeds this time will be closed# unit: second# default value is 3600# since V4.05connection_pool_max_idle_time = 3600# if load FastDFS parameters from tracker server# since V4.05# default value is falseload_fdfs_parameters_from_tracker=false# if use storage ID instead of IP address# same as tracker.conf# valid only when load_fdfs_parameters_from_tracker is false# default value is false# since V4.05use_storage_id = false# specify storage ids filename, can use relative or absolute path# same as tracker.conf# valid only when load_fdfs_parameters_from_tracker is false# since V4.05storage_ids_filename = storage_ids.conf#HTTP settingshttp.tracker_server_port=80#use "#include" directive to include HTTP other settiongs##include http.conf

 1 public class FastDFSUtil { 2  3     public static String uploadPic(byte[] pic ,String name,long size){ 4         String path = null; 5         //ClientGloble 读配置文件 6         ClassPathResource resource = new ClassPathResource("fdfs_client.conf"); 7         try { 8             ClientGlobal.init(resource.getClassLoader().getResource("fdfs_client.conf").getPath()); 9             //老大客户端10             TrackerClient trackerClient = new TrackerClient();11             TrackerServer trackerServer = trackerClient.getConnection();12             StorageServer storageServer  = null;13             StorageClient1 storageClient1 = new StorageClient1(trackerServer, storageServer);14             String ext = FilenameUtils.getExtension(name);15             16             NameValuePair[] meta_list = new NameValuePair[3];17             meta_list[0] = new NameValuePair("fileName",name);18             meta_list[1] = new NameValuePair("fileExt",ext);19             meta_list[2] = new NameValuePair("fileSize",String.valueOf(size));20             21             path = storageClient1.upload_file1(pic, ext, meta_list);22         } catch (Exception e) {23             e.printStackTrace();24         }25         return path;26     }27 }

1 @Service("uploadService")2 public class UploadServiceImpl implements UploadService {3 4     //上传图片5     public String uploadPic(byte[] pic ,String name,long size) {6         7         return FastDFSUtil.uploadPic(pic, name, size);8     }9 }

 1 @Controller 2 public class UploadController { 3      4     @Autowired UploadService uploadService; 5     //上传图片 6     @RequestMapping(value="http://www.mamicode.com/upload/uploadPic.do") 7     public void uploadPic(@RequestParam(required = false) MultipartFile pic,HttpServletResponse response) throws IOException{ 8          9         String path = uploadService.uploadPic(pic.getBytes(), pic.getOriginalFilename(), pic.getSize());10         String url = Constants.img_url+path;11         JSONObject jo = new JSONObject();12         jo.put("url", url);13         response.setContentType("application/json;charset=UTF-8");14         response.getWriter().write(jo.toString());15     }16 }