amber ajax 后台方法

[java]代码库

		public String isExistRunNumber(HttpServletRequest request,
			HttpServletResponse response, String objId) throws Exception {
		BreakerInfoServiceInvoke.Invoke service = BreakerInfoServiceInvoke
				.getInstance(request);
		if (service.isExistRunNumber(objId)) {
			return "exist";
		} else {
			return "";
		}
	}