<el-upload
        class="upload-demo"
        ref="upload"
        action="http://127.0.0.1:20001/Administration/MediaApiLhUploadHandler"
        :on-preview="handlePreview"
        :on-remove="handleRemove"
        :file-list="fileList"
        :auto-upload="false"
       >
        <el-button slot="trigger" size="small" type="primary">選取文件</el-button>
        <el-button  size="small" type="success" @click="submitUpload">上傳到服務器</el-button>
       </el-upload>

@Override
	public void handle(List<FileItem> fileItemList, NetUpMediaapiImgUpload up, NetDownMediaapiImgUpload down, HttpServletResponse response) {
		System.out.println("path:"+getBasePath());
		if (!CommUtil.isEmpityList(fileItemList)) {
			List<String> paths=new ArrayList();
			for (FileItem fileItem : fileItemList) {
				String path = writeFile(fileItem);
				paths.add("../../static/img/"+fileItem.getName());//瀏覽器不允許使用絕對路徑
				logger.info("上傳成功:" + path);
				logger.info("更新數(shù)據(jù)");
			}
			down.setAllPath(paths);
 
		}
	}
 
	public static String writeFile(FileItem file){
		String fileName = getFileName(file.getName());
		fileName = formatFileName(fileName);
		fileName = getFilePrefix(fileName)+'.'+getFileSuffix(fileName);
		String path = getBasePath()+"/xmob-web/static/img/";
		//path="E:\\xmob\\trunk\\xmob-web\\static\\img\\";//圖片應該放在WEB文件夾的static目錄下
		File desFile = new File(path);
		if (!desFile .exists() && !desFile .isDirectory()) {
			System.out.println("http://不存在");
			desFile .mkdir();
		}
		String result = null;
		try {
			InputStream in = file.getInputStream();
			FileOutputStream out = new FileOutputStream(path+"/"+fileName);
			//創(chuàng)建一個緩沖區(qū)
			byte buffer[] = new byte[1024];
			//判斷輸入流中的數(shù)據(jù)是否已經(jīng)讀完的標識
			int len = 0;
			//循環(huán)將輸入流讀入到緩沖區(qū)當中，(len=in.read(buffer))>0就表示in里面還有數(shù)據(jù)
			while((len=in.read(buffer))>0){
				//使用FileOutputStream輸出流將緩沖區(qū)的數(shù)據(jù)寫入到指定的目錄(path)當中
				out.write(buffer, 0, len);
			}
			in.close();
			out.close();
			//刪除處理文件上傳時生成的臨時文件
			file.delete();
			result = path+"/"+fileName;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return result;
	}
	/**
	 * 獲取資源路徑
	 * @return
	 */
	private static String getBasePath(){
		String template_dir = System.getProperty("user.dir");
		return template_dir.substring(0,template_dir.lastIndexOf(File.separator));
	}
 
	/**
	 * 注意：不同的瀏覽器提交的文件名是不一樣的，有些瀏覽器提交上來的文件名是帶有路徑的，如： c:\a\b\1.txt，而有些只是單純的文件名，如：1.txt
	 * 處理獲取到的上傳文件的文件名的路徑部分，只保留文件名部分
	 * @param fileName
	 * @return
	 */
	private static String getFileName(String fileName){
		fileName = fileName.substring(fileName.lastIndexOf(File.separator)+1);
		return fileName;
	}
	/**
	 * 格式化文件名
	 * @param fileName
	 * @return
	 */
	private static String formatFileName(String fileName){
		String[] sArr = fileName.split("\\.");
		String str = sArr[0];
		str = str.replaceAll(" ", "");
		str = str.replaceAll("\\s+|_", "-");
		String result = str+"."+sArr[1];
		return result;
	}
 
	/**
	 * 獲得文件名前綴
	 */
	private static String getFilePrefix(String fileName){
		fileName = formatFileName(fileName);
		String[] sArr = fileName.split("\\.");
		return sArr[0];
	}
 
	/**
	 * 獲得文件名后綴
	 */
	private static String getFileSuffix(String fileName){
		fileName = formatFileName(fileName);
		String[] sArr = fileName.split("\\.");
		return sArr[1];
	}