jquery页面加载老是报错

Question

 $(document).ready(function(){
        $.ajax({
            type:"posts",
            url:"<%=basePath%>server/xqxx/selectYear.do",
            data:{},
            dataType:"json",
            success:function(data){
                var arrayList = new Array();
                arrayList=data.PDatalist;
                for(var i=0;i<arrayList.length;i++){
                    $("#xqjssj").append('<option value="'+arrayList[i].RKSJ+'">'+arrayList[i].RKSJ+'</option>');
                    $("#xq1").append('<option value="'+arrayList[i].RKSJ+'">'+arrayList[i].RKSJ+'</option>');
                }
            },
        });
            });

Answer 1

type:"POST"**

data没数据可以不写**