js,jq生成json数据

function DelRoom() {var array = new Array();var length = 0;$(".Room").each(function(){if($(this).is(':checked')){ var floor = $(this).parent().parent().prev().text();var room = $(this).siblings("span").text();var buildingid = $("#UserId").val();//直接填参数不行var item ={id:buildingid,floor:floor,room:room};array[length]=item;length++;$(this).parent().remove();}});if(array.length!=0){var data = "data=" + JSON.stringify(array);$.ajax({url:"../php/FloorManage.php?method=delroom",type:'post',data:data,datatype:'json',async:'false',success:function(){}});} }