04. 数据积累(叠加效果)


示例

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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>折线图 - 数据累积(叠加效果)</title>
</head>

<body>
<div id='B4' style='position:relative; width: 600px; height:300px; '></div>

<script src='../dist/line.js'></script>
<script>

createChart('B4');

function createChart(divID)
{
//1. 生成图表对象
let chart = new T.line.Chart(divID);

//2. 停止图表绘制
chart.stop() ;

//3. 准备数据
let data1 = [];
let data2 = [];
let category = [] ;
for (let i = 0; i < 6; i++) {
data1.push(Number( (Math.random() * 2).toFixed(2)) );
data2.push(Number( (Math.random() * 2).toFixed(2)) );
category.push('分类' + i) ;
}

let series1 = new T.line.Series();
series1.name = '系列1';
series1.stackName = 'AA';
series1.data = data1

let series2 = new T.line.Series();
series2.name = '系列2';
series2.stackName = 'AA';
series2.data = data2 ;

//4. 设置图表信息
let chartInfo_In = chart.chartInfo_In ;
chartInfo_In.title = '折线图';
chartInfo_In.series = [series1,series2];

//5. 设置类目轴数据
let cAxisInfo_In = chart.cAxisInfo_In ;
cAxisInfo_In.categorys = category;

//6. 设置数值轴数据
//无

//7. 开始图表绘制
chart.start();
}

</script>

</body>
</html>