获取Java中单选按钮的真假

我正在从视图中获取数据，并使用JavaScript进行保存。

HTML：

 <div>
     @Html.LabelFor(model => parts.ReturnRequired)
     @Html.RadioButtonFor(model => parts.ReturnRequired, true) Yes
     @Html.RadioButtonFor(model => parts.ReturnRequired, false) No
 </div>

这是我的JavaScript：

$(document).ready(function () {
    $('#btPartHeaderSave').click(function () {
        var status = $('#parts_Status').val();
        var partsRequestOrderNum = $('#parts_PartsRequestOrderNum').val();
        var custShipping = $('#parts.CustShipping').val();
        var shipAddress1 = $('#parts_ShipAddress1').val();
        var shipAddress2 = $('#parts_ShipAddress2').val();
        var shipCounty = $('#parts_ShipCounty').val();
        var postCode = $('#parts_ShipPostCode').val();
        var deliveryType = $('#parts_DeliveryType').val();
        var notes = $('#parts_Notes').val();
        //var returnRequired = $('#ReturnRequired').val() == true;

        $.ajax({
            url: $(this).attr('data-url'),
            //url: "/Parts/PartHeaderSave",
            type: "POST",
            data: JSON.stringify({
                status: status, 
                partsRequestOrderNum: partsRequestOrderNum, 
                custShipping: custShipping, 
                shipAddress1: shipAddress1, 
                shipAddress2: shipAddress2, 
                shipCounty: shipCounty, 
                postCode: postCode, 
                deliveryType: deliveryType, 
                notes: notes, 
                returnRequired: returnRequired
            }),
            dataType: "json",
            traditional: true,
            contentType: "application/json; charset=utf-8",
            success: function (data) {
                alert("You have sucessfully saved the header");
                alert(returnRequired);
                //   $('#alertSavePartOrderHeader1').addClass('in');
            },
            error: function () {
                alert("An error has occured!!!");
            }
        });
    });
});

我正在尝试获取的价值ReturnRequired。

//var returnRequired = $('#ReturnRequired').val();

如何设置为在数据库中显示为1或0？我假设使用，.val()将无法正常工作。

出于某种原因，如果我单击“是”，它会返回0；如果我单击“否”，它仍然会返回0，即使在html中我得到了true/ false。