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我想用一些来自REST风格的web服务的数据填充折线图(CanvasJS)。CanvasJS图未填充
JSON数组来我看起来像:
[
[
{
"periodo": "2014-03-03",
"quantidade": 2
},
{
"periodo": "2014-09-13",
"quantidade": 1
},
{
"periodo": "2015-06-23",
"quantidade": 6
},
{
"periodo": "2015-06-24",
"quantidade": 2
},
{
"periodo": "2015-06-25",
"quantidade": 1
}
],
[
{
"periodo": "2015-06-23",
"quantidade": 1
}
]
]
即两个阵列(我想在两行变换图)。在我的jQuery代码,我加入了一些礼节这个JSON数组,像这样:
var chartdata = [];
jQuery.each(data, function(i, val) {
var chart = {};
chart["type"] = "spline";
chart["showInLegend"] = true;
chart["dataPoints"] = val;
chartdata.push(chart);
});
最后我打电话抽屉:
var chart = new CanvasJS.Chart("chartContainer",{
animationEnabled: true,
zoomEnabled: true,
data: chartdata,
legend: {
cursor: "pointer",
itemclick: function (e) {
if (typeof(e.dataSeries.visible) === "undefined" || e.dataSeries.visible) {
e.dataSeries.visible = false;
} else {
e.dataSeries.visible = true;
}
chart.render();
}
}
});
但图不被绘制。也没有错误。我比较了我的最终JSON数组,它与CanvasJS example
相差无几?