我试图在标题中的图表上显示值的总和。即每日报告(总计:6242.12)
每当图表中排除任何数据集时,我想通过单击画布顶部的数据集图标来更新此数字。
目前我在图表之外有几个按钮可以更新图表中的数据并显示值的总和,但是当用户单击某个数据集以从折线图中包含/排除时,它当然不起作用。
// Initializing Charts
myChart = new Chart(document.getElementById("myDummyChart"), {
type: 'line',
data: {
labels: dates,
datasets: [{
data: dummyData1,
label: "dummyData1",
borderColor: "#3e95cd",
fill: false
},{
data: dummyData2,
label: "dummyData2",
borderColor: "#e8c3b9",
fill: false
},{
data: dummyData3,
label: "dummyData3",
borderColor: "#3cba9f",
fill: false
},{
data: dummyData4,
label: "dummyData4",
borderColor: "#8e5ea2",
fill: false
},{
data: dummyData5,
label: "dummyData5",
borderColor: "#c45850",
fill: false
}]
},
options: {
events: ['click'],
title: {
display: true,
text: '30-Day Report (Total ' + total.toFixed(2) + ')'
},
responsive : false
}
});
有什么线索吗?