慕课在线编辑器

代码提交代码

<!DOCTYPE html>
<html lang="zh-CN">
	<head>
		<meta charset="utf-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width,initial-scale=1.0" />
		<title>Echarts Example</title>
	</head>
	<body>
		<div id="main" style="width: 600px;height: 400px"></div>

var data = [];
			for (var i = 0; i <= 360; i++) {
				var x = (i / 360) * Math.PI;
				// 花瓣图公式：
				// r = a + b * |sin(c * θ)|
				var r = 4 + 20 * Math.abs(Math.sin(8 * x));
				data.push([r, i]);
			}

var option = {
				toolbox: {
					feature: {
						saveAsImage: {},
					},
				},
				polar: {},
				angleAxis: { type: 'value', startAngle: 0 },
				radiusAxis: { min: 0 },
				series: [{ showSymbol: false, coordinateSystem: 'polar', type: 'line', data: data }],
			};
			myChart.setOption(option);
		</script>
	</body>
</html>

运行结果