jquery ajax 设置请求头header 参数

$.ajax(

                {

                    url:'http://127.0.0.1:30080/api-a/quasiCustom/selectCustomList',

                    type:'post',

                    dateType:'json',

                    beforeSend: function(xhr) {

                        xhr.setRequestHeader("organId:'1333333333'");

                    },

                    headers:{'Content-Type':'application/json;charset=utf8','organId':'1333333333'},

                    data:JSON.stringify(org),

                    success:function(data){console.log("sucess");},

                    error:function(data){console.log("error");}

                }

            );