@RequestMapping(method = RequestMethod.POST)
    @ResponseBody
    protected final String process(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
//        if(StrUtil.isBlank(legalStr(request))){
//            return "";
//        }
        String result = processRequest(request);
        response.getWriter().write(result);
        return null;
    }
@ RequestMapping ( method = RequestMethod . POST ) @ ResponseBody protected final String process ( HttpServletRequest request , HttpServletResponse response ) throws ServletException , IOException { String result = processRequest ( request ) ; response . getWriter ( ) . write ( result ) ; return null ; }
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@param request 请求
@param response 响应
@return 结果
@throws ServletException servlet异常
@throws IOException IO异常