@RequestMapping("/repostWeibo.do")
	public String repostWeibo(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException, WeiboException  {
		int num = 5;
		String token = RedisUtils.getRedisConn().get("weibo:token");
		String userId = StringUtils.trimToEmpty(request.getParameter("user_id"));
		if (StringUtils.isEmpty(userId) || !StringUtils.isNumeric(userId)) {
			return "main";
		}
		weiboService.repostWeibo(userId, num, token);
		request.setAttribute("status", "转发微博成功");
		return "main";
	}