ajax 请求到后台参数为null

Question

 $.ajax({
            type: "post",
            async: false,
            cache: false,
            dataType:"json",
            contentType: false,
            processData:false,
            traditional: true, //使json格式的字符串不会被转码
            url: "${ctx}/grouppurchase/add",
            data: {
                 name: $("[name='name']").val(),
                 sbegin:$("#userStartDate").val()+" 00:00:00",
                 send:$("[name='send']").val()+" 00:00:00",
                 gbegin:$("[name='gbegin']").val()+" 00:00:00",
                 gend: $("[name='gend']").val()+" 00:00:00",
                 price: $("[name='price']").val(),
                 tprice:$("[name='tprice']").val(),
                 num: $("[name='num']").val(),
                 refund:refund,
                 appointment:appointment,
                 img:formdata,
                 context:editor.txt.html(),
                 storeid:strgetSelectValue,
            },
            success: function (data) {
                alert("成功")
            },
            error: function (XMLHttpRequest, textStatus, errorThrown) {
                alert("提交失败，错误代码：" + XMLHttpRequest.status);
                alert("提交失败，错误代码：" + XMLHttpRequest.readyState);
                alert("提交失败，错误代码：" + textStatus);
            }
        });

Answer 1

你后台代码的requestparam注解写了两个context