AJAX 请求返回存放list的map

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@RequestMapping(value="/csg/objection/getObjRt.shtml")@LayOuts(checklogin=PageType.checkloginval,page=PageType.JSON,desc = "", viewpage = "")public Map<String, Object> getObjRt(HttpServletRequest request,HttpServletResponse response,ResBean handler)throws Exception{ResultMap<String,Object> resultMap = new ResultMap<String,Object>();try{long obj_type = ParamUtil.getParameterLong(request, "obj_type",-1);long busi_id = ParamUtil.getParameterLong(request, "busi_id",1);long phase_id = ParamUtil.getParameterLong(request, "phase_id",1);if(obj_type <0){throw new AppException("没有获取到obj_type！");}ResultMap<String,Object> where = new ResultMap<String,Object>();where.put("obj_type", obj_type);where.put("busi_id", busi_id);where.put("phase_id", phase_id);where.put("domain_no", getDomainNo(request));List<ResultMap<String, Object>> queryObjectionResult = objectionTotalService.queryObjectionResult(where);resultMap.put("objectionResult", queryObjectionResult);resultMap.put("success", true);resultMap.put("msg", "拒绝异议成功！");}catch(AppException e){resultMap.put("error", true);resultMap.put("msg", "拒绝异议失败！");logger.error("拒绝异议失败",e);}catch(Exception e){resultMap.put("error", true);resultMap.put("msg", "拒绝异议失败！");logger.error("系统错误",e);}return resultMap;}

IO({  //data : {obj_type : obj_type,phase_id : 1},url : requestpix+'/csg/objection/getObjRt.shtml',success : function(result){var objectionResult= JSON.parse(result).objectionresult;for(var i=0;i<objectionResult.length;i++){alert(objectionResult[i].status);}}});

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