10. 数值轴不扩展到零


示例

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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>柱状图 - 数值轴不扩展到零</title>
</head>

<body>
<div id='A10' style='position:relative; width: 600px; height:300px; '></div>

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

createChart('A10');

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

//2. 停止图表绘制
chart.stop() ;

//3. 准备数据
let series1 = new T.column.Series();
series1.name = '系列1';
series1.data = [100, 110, 120, 130];

//4. 设置图表信息
let chartInfo_In = chart.chartInfo_In ;
chartInfo_In.title = '柱状图';
chartInfo_In.series = [series1];

//5. 设置类目轴数据
let cAxisInfo_In = chart.cAxisInfo_In ;
cAxisInfo_In.categorys = ['分类1','分类2','分类3','分类4'];

//6. 设置数值轴数据
let vAxisInfo_In = chart.vAxisInfo_In ;
vAxisInfo_In.zeroExtend = false;

//7. 开始图表绘制
chart.start();
}

</script>
</body>
</html>