数据转换成json传递

//将奖励转换成json格式
_page.StrRewardToJson = function () {

var hdReward = $("#hdReward").find("option:selected").text();
var ltReward = $("#ltReward").find("option:selected").text();
var dxReward = $("#dxReward").find("option:selected").text();

var yd = "[{"isChecked":" + chkyd.checked +","carrierId":"1","dataPlanSize":""+hdReward+""}";
var lt = "{"isChecked":" + chklt.checked +","carrierId":"2","dataPlanSize":""+ltReward+""}";
var dx = "{"isChecked":" + chkdx.checked + ","carrierId":"3","dataPlanSize":"" + dxReward + ""}]";
var obj = yd +","+lt+"," + dx;
$("#rewardName").val(obj);
$("#localName").val($("#local").find("option:selected").text());//给入口名称赋值
var n = $("#form1").serialize();
console.log(n);
return n;
}