我是一名新手使用google-visualization。我正在开发一个完整的仪表盘,类似于google full dashboard example。
按照示例,我像这样声明数据:
var data = google.visualization.arrayToDataTable([
['CodiceCliente', 'Cliente', 'QtàO13', 'QtàO14','UM'],
['0000038893', 'Coop',300,350, 'CT'] .... ]);
现在我想从服务器加载数据。我创建了一个像这样的Json:
{
"cols": [
{"id": "codiceCliente","label": "Cod. Cliente","type": "string"},
{"id": "clienteDesc","label": "Cliente","type": "string"},
{"id": "qtaO13","label": "Qtà O13","type": "number"},
{"id": "qtaO14","label": "Qtà O14","type": "number"},
{"id": "um","label": "UM","type": "string"}
],
"rows": [
{
"c": [
{"v": "0000038893"},
{"v": "Coop"},
{"v": "300"},
{"v": "350"},
{"v": "CT"} ]
},
{.... }, ... ]}
在 HTML 页面中,我使用以下代码从服务器获取数据:
var jsonData = $.ajax({
url: "getJson.do",
dataType:"json",
async: false
}).responseText;
var data = google.visualization.DataTable(jsonData);
当我打开页面时,出现以下错误:" Object # has no method 'zg' at format+it,default+it,ui+it,controls+it,corechart+it.I.js:183 "。请问我做错了什么?是JSON格式有误吗?
arrayToDataTable
调用生成的DataTable
,在该DataTable
上调用toJSON
,并将其输出与您生成的输入进行比较。差异可能就是您出错的地方。 - Jeremy Faller