文件上传，保存工具类

 

   public static String fileupload(File file, String srcName, String destName,
			String addType) throws Exception {
		SimpleDateFormat dateformat = new SimpleDateFormat("yyyyMMddHH");
		// 拼写服务器保存路径
		//String path = SysPara.GLOBAL_SAVE_ITEM_DIR +dateformat.format(new Date())+"/";
                //项目名称+//文件后缀+//以小时为单位的日期格式
		String path = SysPara.GLOBAL_SAVE_ITEM_DIR +
                              StringUtils.substringAfterLast(srcName, ".")+"/"+ 
		              dateformat.format(new Date())+"/"; 
		String root = SysPara.GLOBAL_SAVE_PATH + path;
		File f = new File(root);
		if (!f.exists()) {// 路径不存在,新建
			f.mkdirs();
		}
		//拼写文件名
		String newFileName = StringEx.randomString()+
			"."+StringUtils.substringAfterLast(srcName, ".");
		copy(file, root+newFileName); // 上传文件
		return path+newFileName;
	}
/**  
	 * 拷贝文件  
	 *   
	 * @param upload文件流  
	 * @param newPath新文件路径和名称  
	 * @throws Exception  
	 */
	private static void copy(java.io.File upload, String newPath) throws Exception {
		log.info("Enter...copy");
		java.io.FileOutputStream fos = new java.io.FileOutputStream(newPath);
		java.io.FileInputStream fis = new java.io.FileInputStream(upload);
		byte[] buffer = new byte[1024];
		int len = 0;
		while ((len = fis.read(buffer)) > 0) {
			fos.write(buffer, 0, len);
		}
		fos.close();
		fis.close();
		log.info("file upload finish...");
	}

 

// 调用实例：String url = Tool.fileupload(file, fileFileName, "", "");