**

1.html部分

<input id="file" class="kf-img-file" type="file">

2.JS部分

var _csrf = $("meta[name='_csrf']").attr("content"); *//請求令牌（不同專案定義不同，看架構）*
var formData = new FormData();
formData.append('file', $('#file')[0].files[0]);//從div input 中取得
$.ajax({
         url: '../customService/uploadChatPicture.do?_csrf='
 
+_csrf,
         type: 'POST',
         cache: false,
         async: false, //同步（不是必須）
         data: formData,
         processData: false,//上傳必須
         contentType: false,//上傳必須
         success:function(data){
                url = $.parseJSON( data ).src; //回撥解析，圖片路徑
        }

3.controller部分

@RequestMapping(value
 
 = "/uploadChatPicture")
@ResponseBody
    public FileUploadResult upload(HttpServletRequest req){
    //從請求中獲取
        FileUploadResult result = null ;

        MultipartHttpServletRequest mReq  =  null;
        MultipartFile file = null;
        InputStream is = null ;
        // 新的檔名
        String newFileName = ""
 
;
        // 原始檔名   UEDITOR建立頁面元素時的alt和title屬性
        String originalFileName = "";
        try {
            mReq = (MultipartHttpServletRequest)req;
            //formData.append('file', $('#file')[0].files[0]);
            file = mReq.getFile("file"); //獲取上傳圖片,"file"為append中追加的名字
            long size = file.getSize();
            if(!file.isEmpty()){
              is = file.getInputStream();
  //以下為上傳到阿里伺服器
              String fileDir = OSSUnit.fileDir();
      newFileName=fileDir+OSSUnit.newFileName(file.getOriginalFilename());
       OSSUnit.uploadObject(ossClient, is, newFileName, bucketName,size);
            } else {
                throw new IOException("檔名為空!");
            }
         String endPontUrl =  this.ossClient.getEndpoint().toString();
         endPontUrl = endPontUrl.substring(7);
         String url =  "http://"+this.bucketName+"."+endPontUrl+"/"+newFileName;
         result = new FileUploadResult ("SUCCESS",url,originalFileName,originalFileName); //上傳到阿里伺服器，返回檔案路徑
        }
        catch (Exception e) {
            System.out.println(e.getMessage());
            result = new FileUploadResult ("檔案上傳失敗","","","");
        }

        return result;
    }