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对称带点的圆环图
By
天***2
2020-12-21 14:23:13
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geo
grid
legend
markLine
markPoint
bar
effectScatter
line
lines
map
timeline
title
toolbox
tooltip
visualMap
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let angle = 0; //角度，用来做简单的动画效果的 let value = 66; let maxvalue = 100; let percent = (value / maxvalue) * 100; percent = percent.toFixed(0); //小数位数为0 option = { backgroundColor: '#000E1A', title: { text: '{a|' + percent + '}{c|%}', x: 'center', y: 'center', textStyle: { rich: { a: { fontSize: 70, color: '#ffffff', fontFamily: 'Din' }, c: { fontSize: 45, color: '#ffffff', fontFamily: 'SanFrancisco ', } } } }, polar: [{ radius: ['33.5%', '70.8%'], center: ['50%', '50%'], }, ], angleAxis: { max: maxvalue, show: false, inverse: false }, radiusAxis: { type: 'category', show: true, axisLabel: { show: false, }, axisLine: { show: false, }, axisTick: { show: false }, }, series: [ // 大弧线 { name: "ring5", type: 'custom', coordinateSystem: "none", renderItem: function(params, api) { return { type: 'arc', shape: { cx: api.getWidth() / 2, cy: api.getHeight() / 2, r: Math.min(api.getWidth(), api.getHeight()) / 2.3 * 0.6, // startAngle: (0+angle) * Math.PI / 180, // endAngle: (90+angle) * Math.PI / 180 startAngle: (0) * Math.PI / 180, endAngle: (360) * Math.PI / 180 }, style: { stroke: "rgb(53,53,53)", fill: " transparent", lineWidth: 5 }, silent: true }; }, data: [0] }, //点 { name: "ring5", type: 'custom', coordinateSystem: "none", renderItem: function (params, api) { let x0 = api.getWidth() / 2; let y0 = api.getHeight() / 2; let r = Math.min(api.getWidth(), api.getHeight()) / 3.5 * 0.6; let point = getCirlPoint(x0, y0, r, (0)) return { type: 'circle', shape: { cx: point.x, cy: point.y, r: 5 }, style: { stroke: "rgb(211,145,28)", fill: "rgb(211,145,28)" }, silent: true }; }, data: [0] }, //点 { name: "ring5", type: 'custom', coordinateSystem: "none", renderItem: function (params, api) { let x0 = api.getWidth() / 2; let y0 = api.getHeight() / 2; let r = Math.min(api.getWidth(), api.getHeight()) / 3.5 * 0.6; let point = getCirlPoint(x0, y0, r, (360*(value / maxvalue))) return { type: 'circle', shape: { cx: point.x, cy: point.y, r: 5 }, style: { stroke: "rgb(211,145,28)", fill: "rgb(211,145,28)", }, silent: true }; }, data: [0] }, //小弧线 { name: "ring5", type: 'custom', z: 1, coordinateSystem: "none", renderItem: function(params, api) { return { type: 'arc', shape: { cx: api.getWidth() / 2, cy: api.getHeight() / 2, r: Math.min(api.getWidth(), api.getHeight()) / 3.5 * 0.6, // startAngle: (0+angle) * Math.PI / 180, // endAngle: (90+angle) * Math.PI / 180 startAngle: (0) * Math.PI / 180, endAngle: (360*(value / maxvalue)) * Math.PI / 180 }, style: { stroke: "rgb(99,99,99)", fill: " transparent", lineWidth: 5 }, silent: true }; }, data: [0] }, //极坐标柱状图 { //显示 name: '', type: 'bar', roundCap: true, barWidth: 10, showBackground: true, stack: "a", backgroundStyle: { color: 'rgba(66, 66, 66, 0)', }, data: [value / 2], coordinateSystem: 'polar', itemStyle: { // normal: { // color: new echarts.graphic.LinearGradient(0, 1, 0, 0, [{ // offset: 0, // color: 'rgb(211,145,28)' // }, { // offset: 1, // color: 'rgba(211,145,28,1)', // }]), // }, color:'rgba(211,145,28,1)', shadowBlur:15, shadowColor:'rgba(211,145,28,1)', } }, { //不显示 name: '', type: 'bar', roundCap: true, barWidth: 10, showBackground: true, stack: "a", backgroundStyle: { color: 'rgba(66, 66, 66, 0)', }, data: [(maxvalue - value) / 2], coordinateSystem: 'polar', itemStyle: { normal: { color: new echarts.graphic.LinearGradient(0, 1, 0, 0, [{ offset: 0, color: 'rgba(211,145,28,0)' }, { offset: 1, color: 'rgba(211,145,30,0)' }]), } } }, { name: '', type: 'bar', roundCap: true, barWidth: 10, showBackground: true, stack: "a", backgroundStyle: { color: 'rgba(66, 66, 66, 0)', }, data: [value / 2], coordinateSystem: 'polar', itemStyle: { // normal: { // color: new echarts.graphic.LinearGradient(0, 1, 0, 0, [{ // offset: 0, // color: 'rgb(211,145,28)' // }, { // offset: 1, // color: 'rgba(211,145,30,1)' // }]), // } color:'rgba(211,145,28,1)', shadowBlur:15, shadowColor:'rgba(211,145,28,1)', } }, { name: '', type: 'bar', roundCap: true, barWidth: 10, showBackground: true, stack: "a", backgroundStyle: { color: 'rgba(66, 66, 66, 0)', }, data: [(maxvalue - value) / 2], coordinateSystem: 'polar', itemStyle: { normal: { color: new echarts.graphic.LinearGradient(0, 1, 0, 0, [{ offset: 0, color: 'rgba(211,145,28,0)' }, { offset: 1, color: 'rgba(211,145,28,0)' }]), } } }, //仪表盘，用于显示小刻度圈 { name: '统计', type: 'gauge', splitNumber: 12, //刻度数量 min: 0, max: 100, radius: '45%', //图表尺寸 center: ['50%', '50%'], startAngle: 90, endAngle: -269.9999, axisLine: { show: false, lineStyle: { width: 0, shadowBlur: 0, color: [ [0, 'rgb(99,99,99)'], [1, 'rgb(99,99,99)'] ] } }, axisTick: { show: true, lineStyle: { color: 'rgb(99,99,99)', width: 5, //刻度线的宽度 }, length: 2, //刻度线的长度 splitNumber: 5 }, splitLine: { show: true, length: 0, lineStyle: { color: 'rgb(99,99,99)', } }, axisLabel: { show: false }, // pointer: { //仪表盘指针 // show: 0, // }, detail: { borderColor: '#fff', shadowColor: '#fff', //默认透明 shadowBlur: 2, offsetCenter: [0, '0%'], // x, y，单位px textStyle: { // 其余属性默认使用全局文本样式，详见TEXTSTYLE color: '0', fontSize: 50, }, formatter: '{value}' }, // data: [{ // name: "", // value: 0 // }] }, //外圈波纹效果 ] }; //获取圆上面某点的坐标(x0,y0表示坐标，r半径，angle角度) function getCirlPoint(x0, y0, r, angle) { let x1 = x0 + r * Math.cos(angle * Math.PI / 180) let y1 = y0 + r * Math.sin(angle * Math.PI / 180) return { x: x1, y: y1 } } function draw() { angle = angle + 3 myChart.setOption(option, true) //window.requestAnimationFrame(draw); } setInterval(function() { //用setInterval做动画感觉有问题 draw() }, 100);
