Springboot接收ajax提交JSON数组

function save() {
        var data = JSON.stringify({d_date: "2019-06-06",vc_exchange : "IB",vc_symbol:"038007",vc_type:"KRD",vc_source:"test"})
        $.ajax({
            type : "post",
            url : "/bloomberg/save",
            data : data,
            contentType: 'application/json',
            success : function (result) {
                console.log(result);
            }
        })
    };

@RequestMapping(value="/save",method = RequestMethod.POST,consumes = "application/json")
@ResponseBody
public String save(@RequestBody XxxBean bean){
    return "success";
}

var data = [{d_date: "2019-06-06",vc_exchange : "IB",vc_symbol:"038007",vc_type:"KRD",vc_source:"test"},
      {d_date: "2019-06-05",vc_exchange : "IB",vc_symbol:"038006",vc_type:"KRD",vc_source:"cs"}];
        $.ajax({
            type : "post",
            url : "/bloomberg/saveAll",
            data : JSON.stringify({beans:data}),
            contentType: 'application/json',
            success : function (result) {
                console.log(result);
            }
        })
    };

@RequestMapping(value="/saveAll",method = RequestMethod.POST,consumes = "application/json")
@ResponseBody
public String saveAll(@RequestBody JSONObject jsonObject){
    JSONArray jsonArray = jsonObject.getJSONArray("beans");
    List<XxxBean> list=(List)JSONArray.toCollection(jsonArray,XxxBean.class);
    xxxService.saveAll(list);
    return "successAll";
}