js部分

<script type="text/javascript">
        var E = window.wangEditor
        var editor = new E('#editor');
        editor.customConfig.uploadImgServer = root + "fileLssue/upload1.do"; //上傳URL
      
       
    
        editor.customConfig.uploadFileName = 'myFileName';
        editor.customConfig.uploadImgHooks = {
            customInsert: function (insertImg, result, editor) {
                        // 圖片上傳並返回結果，自定義插入圖片的事件（而不是編輯器自動插入圖片！！！）
                        // insertImg 是插入圖片的函式，editor 是編輯器物件，result 是伺服器端返回的結果
                      debugger;
                        // 舉例：假如上傳圖片成功後，伺服器端返回的是 {url:'....'} 這種格式，即可這樣插入圖片：
                        var url =result.data;
                        insertImg(url);
                 
                        // result 必須是一個 JSON 格式字串！！！否則報錯
                    }
                }
        editor.create();    
</script>	
 

java後臺程式碼

 /**
     * 檔案上傳
     * @param
     * @return
     * @throws IOException 
     */
    @ResponseBody
    @RequestMapping(value = "upload1.do")
    public Result upload2 (@RequestParam(value="myFileName") MultipartFile file) throws IOException {
    	//MultipartFile  轉換成檔案
        String fileName=file.getOriginalFilename();
        //獲取到專案路徑
        String savePath = new File("").getCanonicalPath();
        if(file.getSize()>0) {
            try {
                String path = SaveFileFromInputStream(file.getInputStream(), savePath, fileName);
                Map<String,Object> map = new HashMap<String,Object>();
                map.put("imgUrl",path);
                return new Result(map);
            } catch (IOException e) {
                e.printStackTrace();
                return new Result(null);
            }
        }else{
            return new Result(null);
        }
    }

    /**儲存的
     * @param stream
     * @param savePath
     * @param filename
     * @return
     * @throws IOException
     */
    public String SaveFileFromInputStream(InputStream stream,String savePath,String filename) throws IOException {
        //初始化日期格式
        SimpleDateFormat sd = new SimpleDateFormat("yyyyMMddHHmmssSSS");
        //以當前日期作加下劃線加舊的檔名作為上傳檔案儲存的名稱
        String newFileName = sd.format(new Date()) + "_" + filename;
        String savePathAndFileName = savePath + "/"+ newFileName;
        FileOutputStream fs=new FileOutputStream(savePathAndFileName);
        byte[] buffer =new byte[1024*1024];
        int bytesum = 0;
        int byteread = 0;
        while ((byteread=stream.read(buffer))!=-1)
        {
            bytesum+=byteread;
            fs.write(buffer,0,byteread);
            fs.flush();
        }
        fs.close();
        stream.close();
        return savePathAndFileName;
    }