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149 lines
4.3 KiB
HTML
149 lines
4.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<meta http-equiv="X-UA-Compatible" content="ie=edge" />
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<title>堆叠柱状图节点</title>
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<style>
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#mountNode {
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background: #001528;
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}
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</style>
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</head>
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<body>
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<div id="mountNode"></div>
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<script src="../build/g6.js"></script>
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<script>
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/**
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* 该案例演示如何自定义一个堆叠柱状图节点
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* by 镜曦
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*
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*/
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// 自定义标注点节点
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G6.registerNode('stacked-bar-node', {
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draw(cfg, group) {
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const size = cfg.size || [40, 40]; // 如果没有 size 时的默认大小
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const width = size[0];
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const height = size[1];
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/*
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G：
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Fan
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x: 扇形圆心的 x 坐标
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y: 扇形圆心的 y 坐标
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rs: 内圈半径
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re: 外圈半径
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startAngle: 起点弧度
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endAngle: 终点弧度
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clockwise: 为true时顺时针渲染，为false时逆时针渲染
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*/
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const baseR = 30;
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let nowAngle = 0;
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const everyIncAngle = (2 * Math.PI * (360 / 5 / 5)) / 360;
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cfg.details.forEach(cat => {
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cat.values.forEach(item => {
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const baseNbr = Math.ceil(item / 10);
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const baseIncR = 7;
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let nowStartR = baseR;
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const last = item % 10;
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const endAngle = nowAngle + everyIncAngle;
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for (let i = 0; i < baseNbr; i++) {
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const fan = group.addShape('fan', {
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attrs: {
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x: 0,
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y: 0,
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rs: nowStartR,
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re: nowStartR + baseIncR,
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startAngle: nowAngle,
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endAngle: endAngle,
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clockwise: false,
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stroke: 'darkgray',
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fill: cat.color,
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},
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});
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nowStartR = nowStartR + baseIncR + 2;
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if (i === baseNbr - 1 && last !== 0) {
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const fan = group.addShape('fan', {
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attrs: {
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x: 0,
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y: 0,
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rs: nowStartR,
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re: nowStartR + (baseIncR * last) / 10,
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startAngle: nowAngle,
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endAngle: endAngle,
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clockwise: false,
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stroke: 'darkgray',
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fill: cat.color,
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},
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});
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}
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}
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nowAngle = endAngle;
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});
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});
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group.addShape('circle', {
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// attrs: style
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attrs: {
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x: 0, // 居中
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y: 0,
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r: baseR,
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fill: cfg.centerColor,
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stroke: 'darkgray',
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},
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});
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if (cfg.label) {
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group.addShape('text', {
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// attrs: style
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attrs: {
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x: 0, // 居中
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y: 0,
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textAlign: 'center',
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textBaseline: 'middle',
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text: cfg.label,
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fill: 'white',
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fontStyle: 'bold',
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},
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});
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}
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return group;
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},
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});
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const graph = new G6.Graph({
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container: 'mountNode',
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width: 500,
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height: 500,
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});
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const data = {
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nodes: [
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{
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id: 'nodeF',
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x: 100,
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y: 100,
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label: 'StackedBar',
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shape: 'stacked-bar-node',
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anchorPoints: [
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[0, 0.5],
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[1, 0.5],
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],
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details: [
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{ cat: 'pv', values: [20, 30, 48, 30, 30], color: '#25cbfd' },
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{ cat: 'dal', values: [40, 30, 20, 30, 50], color: '#feff7b' },
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{ cat: 'uv', values: [40, 30, 30, 4, 40], color: '#feab3a' },
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{ cat: 'sal', values: [20, 30, 50, 20, 20], color: '#fe5766' },
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{ cat: 'cal', values: [10, 10, 25, 20, 20], color: '#16c176' },
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],
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centerColor: '#0066FF',
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},
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],
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};
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graph.data(data);
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graph.render();
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</script>
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</body>
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</html>
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