[英]How to create a Javascript pie chart with list data?
So my data is currently in the format of所以我的数据目前的格式为
[
{
"B": 1
},
{
"A": 1
},
{
"A": 1
}
]
To which I want to create a pie chart with.我想用它创建一个饼图。 However the sample pie chart I have used online expects data like this.
然而,我在网上使用的示例饼图需要这样的数据。
[
{y: 1, label: "User Group A"},
{y: 1, label: "User Group B"},
]
This is the pie chart code I found online这是我在网上找到的饼图代码
var chart = new CanvasJS.Chart("chartContainer", {
animationEnabled: true,
title: {
text: "Did user group view page on ebay?"
},
data: [{
type: "pie",
startAngle: 240,
yValueFormatString: "##0.00\"%\"",
indexLabel: "{label} {y}",
dataPoints: [
{y: 1, label: "User Group A"},
{y: 1, label: "User Group B"},
]
}]
});
chart.render();
How would I best convert my data to {y: data, label: "data"}?我如何最好地将我的数据转换为 {y: data, label: "data"}?
or would I be best using a different Javascript pie chart which supports the format of my data better?或者我最好使用不同的Javascript饼图来更好地支持我的数据格式?
try this尝试这个
[ { "B": 1 }, { "A": 1 }, { "A": 1 } ].map(data => { let key = Object.keys(data)[0] return {y : data[key], label: key} })
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