mirror of
https://gitee.com/antv/g6.git
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171 lines
4.8 KiB
HTML
171 lines
4.8 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>画廊-小米关系图谱</title>
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</head>
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<body>
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<div style="position:relative; background: #e5ddd1;">
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<div id="mountNode"></div>
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<div id="minimap" style="position:absolute; bottom: 0px; right: 0px;"></div>
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</div>
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<p>数据来源：企查查</p>
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<p>描述：展示了 小米科技有限责任公司 的企业关系图谱</p>
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<script src="./assets/jquery-3.2.1.min.js"></script>
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<script src="./assets/d3-4.13.0.min.js"></script>
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<script src="./assets/d3-legend-2.25.6.min.js"></script>
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<script src="../build/g6.js"></script>
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<script src="../build/plugin.behaviour.analysis.js"></script>
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<script src="../build/plugin.tool.d3.mapper.js"></script>
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<script>
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$.getJSON('./assets/data/xiaomi.json', data => {
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const Mapper = G6.Plugins['tool.d3.mapper'];
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const { forceSimulation, forceLink, forceManyBody, forceX, forceY, forceCollide } = d3;
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const nodeMap = {};
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const nodeSizeMapper = new Mapper('node', 'degree', 'size', [8, 48], {
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legendCfg: null
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});
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const nodeColorMapper = new Mapper('node', 'type', 'color', ['#e18826', '#002a67']);
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const G = G6.G;
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let simulation;
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const graph = new G6.Graph({
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container: 'mountNode',
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height: window.innerHeight,
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plugins: [nodeSizeMapper, nodeColorMapper],
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modes: {
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default: ['rightPanCanvas']
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},
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layout(nodes, edges) {
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if (simulation) {
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simulation.alphaTarget(0.3).restart();
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} else {
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simulation = forceSimulation(nodes)
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.force('charge', forceManyBody().strength(-100))
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.force('link', forceLink(edges).id(model => {
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return model.id;
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}))
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.force('collision', forceCollide().radius(model => {
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return model.size / 2 * 1.2;
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}))
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.force('y', forceY())
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.force('x', forceX())
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.on('tick', () => {
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graph.updateNodePosition();
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});
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}
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}
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});
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graph.node({
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style(model) {
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if (model.type === 'Company') {
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return {
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fill: '#e18826',
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shadowColor: 'rgba(0,0,0, 0.3)',
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shadowBlur: 3,
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shadowOffsetX: 2,
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shadowOffsetY: 2,
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stroke: null
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}
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}
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return {
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fill: '#002a67',
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shadowColor: 'rgba(0,0,0, 0.3)',
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shadowBlur: 3,
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shadowOffsetX: 3,
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shadowOffsetY: 5,
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stroke: null
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}
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},
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label(model) {
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return {
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text: model.properties['name'],
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stroke: null,
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fill: '#fff'
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};
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}
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});
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graph.edge({
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style() {
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return {
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stroke: '#b3b3b3',
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lineWidth: 2
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}
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}
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});
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graph.read(data);
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graph.translate(graph.getWidth() / 2, graph.getHeight() / 2);
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// 拖拽节点交互
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let subject; // 逼近点
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graph.on('mousedown', ev => {
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if (ev.domEvent.button === 0) {
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subject = simulation.find(ev.x, ev.y);
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}
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});
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graph.on('dragstart', ev => {
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subject && simulation.alphaTarget(0.3).restart();
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});
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graph.on('drag', ev => {
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if (subject) {
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subject.fx = ev.x;
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subject.fy = ev.y;
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}
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});
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graph.on('mouseup', resetState);
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graph.on('canvas:mouseleave', resetState);
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function resetState() {
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if (subject) {
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simulation.alphaTarget(0);
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subject.fx = null;
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subject.fy = null;
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subject = null
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}
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}
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// 鼠标移入节点显示 label
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function tryHideLabel(node) {
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const model = node.getModel();
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const label = node.getLabel();
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const labelBox = label.getBBox();
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if (labelBox.maxX - labelBox.minX > model.size) {
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label.hide();
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graph.draw();
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}
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}
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const nodes = graph.getNodes();
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const edges = graph.getEdges();
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edges.forEach(edge => {
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edge.getGraphicGroup().set('capture', false); // 移除边的捕获，提升图形拾取效率
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});
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nodes.forEach(node => {
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tryHideLabel(node);
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});
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graph.on('node:mouseenter', ev => {
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const item = ev.item;
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graph.toFront(item);
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item.getLabel().show();
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graph.draw();
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});
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graph.on('node:mouseleave', ev => {
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const item = ev.item;
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tryHideLabel(item);
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});
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});
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</script>
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</body>
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</html>
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