刻度环形图
let angle = 0; //角度,用来做简单的动画效果的 let value = '备料中'; option = { backgroundColor: 'transparent', title: { text: '{a|' + value + '}', x: 'center', y: 'center', textStyle: { rich: { a: { fontSize: 36, color: '#3f2c75', fontFamily: 'Oswald', fontWeight: 'bold', }, }, }, }, series: [ // 运动环 { 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) * 0.30, startAngle: ((0 + angle) * Math.PI) / 180, endAngle: ((90 + angle) * Math.PI) / 180, }, style: { stroke: '#3f2c75', fill: 'transparent', lineWidth: 3, }, silent: true, }; }, data: [0], }, // 运动环 { 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) * 0.28, startAngle: ((270 + -angle) * Math.PI) / 180, endAngle: ((40 + -angle) * Math.PI) / 180, }, style: { stroke: '#3f2c75', fill: 'transparent', lineWidth: 3, }, silent: true, }; }, data: [0], }, // 占比环 { name: '吃猪肉频率', type: 'pie', radius: ['18%', '15%'], silent: true, clockwise: true, startAngle: 90, z: 0, zlevel: 0, label: { normal: { position: 'center', }, }, data: [ { value: value, name: '', itemStyle: { shadowColor: '#3f2c75', shadowBlur: 30, shadowOffsetX: '0', shadowOffsetY: '0', color: { // 完成的圆环的颜色 colorStops: [ { offset: 0, color: '#3f2c75', // 0% 处的颜色 }, { offset: 1, color: '#3f2c75', // 100% 处的颜色 }, ], }, }, }, { value: 100 - value, name: '', label: { normal: { show: false, }, }, itemStyle: { normal: { color: 'transparent', }, }, }, ], }, // 分割环 { name: '', type: 'gauge', radius: '18%', center: ['50%', '50%'], startAngle: -180, endAngle: 179.9999, splitNumber: 24, hoverAnimation: true, axisTick: { show: false, }, splitLine: { length: 10, lineStyle: { width: 4, color: '#3f2c75', }, }, axisLabel: { show: false, }, pointer: { show: false, }, axisLine: { lineStyle: { opacity: 0, }, }, detail: { show: false, }, data: [ { value: 0, name: '', }, ], }, // 外面100圆环 { type: 'pie', radius: ['20%', '20.5%'], hoverAnimation: false, clockWise: false, itemStyle: { normal: { shadowBlur: 20, shadowColor: '#3f2c75', color: '#a290d5', }, }, label: { show: false, }, data: [100], }, // 最外虚线环 { type: 'pie', radius: ['25%', '24%'], hoverAnimation: false, clockWise: false, z: 0, zlevel: 0, itemStyle: { normal: { shadowBlur: 20, shadowColor: '#3f2c75', color: '#a290d5', }, }, label: { show: false, }, data: [100], }, // 最外虚线分割环 { name: '', type: 'gauge', radius: '25%', center: ['50%', '50%'], startAngle: -180, endAngle: 179.999, splitNumber: 64, hoverAnimation: true, axisTick: { show: false, }, splitLine: { length: 4, lineStyle: { width: 4, color: '#3f2c75', }, }, axisLabel: { show: false, }, pointer: { show: false, }, axisLine: { lineStyle: { opacity: 0, }, }, detail: { show: false, }, data: [ { value: 0, name: '', }, ], }, ], }; //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);
echarts版本号:4.9.0