spring 返回map对象

spring 返回map对象

	@ResponseBody
	@RequestMapping(value = "save4AjaxSubGroup")
	public Map save4AjaxSubGroup(SubjectGroup sg, HttpServletRequest request, Model model, RedirectAttributes redirectAttributes) { 
        	Map<String, Object> result = Maps.newHashMap();  //通过google工具类简化new的过程
		String pid = request.getParameter("pid");  //系统取值
		String xmlName = request.getParameter("xmlName"); 
		try {
			//业务逻辑
	        	result.put("success", true); //返回对象
		} catch (Exception e) {
            result.put("success", false); 
			e.printStackTrace();
		}  
        return result;
	}