我的示例当前看起来像这样:var ctx = document.getElementById("myChart");var myChart = new Chart(ctx, { type: 'doughnut', data: { labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"], datasets: [{ label: '# of Votes', data: [12, 19, 3, 5, 2, 3], backgroundColor: [ 'rgba(255, 99, 132, 0.2)', 'rgba(54, 162, 235, 0.2)', 'rgba(255, 206, 86, 0.2)', 'rgba(75, 192, 192, 0.2)', 'rgba(153, 102, 255, 0.2)', 'rgba(255, 159, 64, 0.2)' ], borderColor: [ 'rgba(255,99,132,1)', 'rgba(54, 162, 235, 1)', 'rgba(255, 206, 86, 1)', 'rgba(75, 192, 192, 1)', 'rgba(153, 102, 255, 1)', 'rgba(255, 159, 64, 1)' ], borderWidth: 1 }] }, options: { rotation: 1 * Math.PI, circumference: 1 * Math.PI, title: { display: true, text: 'Custom Chart Title', position: 'bottom' } }});现在,我想显示来自data: [12, 19, 3, 5, 2, 3]图表的值的总和(因此,在这种情况下,标题将是44)。这里有一些示例提琴:https : //jsfiddle.net/ktq8mb0z/。如何在Chart.Js中实现?
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