Echarts仪表盘3.0

news2024/9/20 10:43:00

代码：

<html>
<head>
	<title>图表绘制</title>
	<style type="text/css">
		#dashboard {
			width: 402px;
			height: 293px;
			margin: 50px auto;
		}
	</style>
</head>
<body>
	<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
	<div id="dashboard"></div>
	<script src="https://cdn.bootcdn.net/ajax/libs/echarts/5.0.1/echarts.js"></script>
	<!-- <script src="https://cdn.bootcdn.net/ajax/libs/echarts/4.8.0/echarts-en.common.js"></script> -->
	<script type="text/javascript">	
		// 仪表盘的Echarts5.0
		const numericalData = [-3, -2.15, -1.29, -0.5, 0.3, 1.28, 2.14, 3]
		const standard = ['1', '2', '3', '4', '5', '6', '7']
		const realData = 0.7
		const fakeData = 0.1
		const colorTemplate1 = [
		  [0.142, '#83c970'],[0.284, '#c93600'],[0.426, '#0a5dc9'],
		  [0.568, '#c3c900'],[0.710, '#c900ab'],[0.852, '#0cc902'],[1, '#340ec9']
		]
		var myChart3 = echarts.init(document.getElementById('dashboard'));
		var option3 = {
			series: [
			{
			    z: 0,
                type: 'pie',
                radius: '80%',
                startAngle: 0,
                hoverAnimation: false,
                clockWise: false,
                itemStyle: {
                    normal: {
                        color: new echarts.graphic.RadialGradient(0.5, 1, 1, [
						{
                            offset: 0.5,
                            color: 'rgba(255,255,255,1)',
                        }, {
                            offset: 1,
                            color: 'rgba(33,150,243,0.01)'
                        }])
                    }
                },
                label: {
                    show: false
                },
                data: [{
					value: 0.5
				}, {
					value: 0.5,
					itemStyle: {
						color: 'rgba(0,0,0,0)'
					}
				}]
            },
			{
				type: 'gauge',
				radius: '80%',
				min: -3,
				max: 3,
				startAngle: 180,
				endAngle: 0,
				splitNumber: 6,
				axisLine: {
					roundCap: true,
					lineStyle: {
						width: 6,
						color: colorTemplate1
					}
				},
				splitLine:{show:false},
				axisTick: {show: false}, // 刻度(线)样式。
				pointer: {
					icon: 'path://M2.9,0.7L2.9,0.7c1.4,0,2.6,1.2,2.6,2.6v115c0,1.4-1.2,2.6-2.6,2.6l0,0c-1.4,0-2.6-1.2-2.6-2.6V3.3C0.3,1.9,1.4,0.7,2.9,0.7z',
					width: 3,
					length: '80%',
					offsetCenter: [0, '-10%'],
					itemStyle: {
						color: '#000'
					}
				},
				anchor: {
					show: true,
					showAbove: true,
					size: 6,
					itemStyle: {
						borderWidth: 2,
						borderColor: '#000'
					}
				},
				axisLabel: {
					show: false,
					distance: -20,
					color: '#666',
					fontSize: 12,
					formatter: (val) => {
						val = Number(val)
						for (let i = 0; i < numericalData.length; i++) {
						  if (val > numericalData[i] && val <= numericalData[i + 1]) {
							return standard[i]
						  }
						  if (val === numericalData[0]) {
							return standard[0]
						  }
						}
					}
				},
				detail: {
					fontSize: 14,
					offsetCenter: [0, '30%'],
					valueAnimation: true,
					formatter: function (value) {
						return "标题："+ Math.round(value * 100) + '%';
					},
					color: '#333'
				},
				data: [{
					value: 0.70
				}]
			},{
			  type: 'gauge',
			  radius: '98%',
			  min: -3,
			  max: 3,
			  detail: {show: false},
			  startAngle: 170,
			  endAngle: 10,
			  splitNumber: 6,
			  data: [fakeData],
			  axisLine: {
				show: false
			  },
			  splitLine:{
				show:false
			  },
			  axisTick: {show: false},			// 刻度(线)样式。
			  axisLabel: {
					show: true,
					distance: -20,
					color: '#666',
					fontSize: 12,
					formatter: (val) => {
						val = Number(val)
						for (let i = 0; i < numericalData.length; i++) {
						  if (val > numericalData[i] && val <= numericalData[i + 1]) {
							return standard[i]
						  }
						  if (val === numericalData[0]) {
							return standard[0]
						  }
						}
					}
				},
			  pointer: {show: false}
			}]
		};
		myChart3.setOption(option3);
	</script>
</body>
</html>