g6/demos/gallery-xiaomi.html
huangtong.ht 370df382dc demo
2018-07-18 16:17:58 +08:00

171 lines
4.8 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>画廊-小米关系图谱</title>
</head>
<body>
<div style="position:relative; background: #e5ddd1;">
<div id="mountNode"></div>
<div id="minimap" style="position:absolute; bottom: 0px; right: 0px;"></div>
</div>
<p>数据来源:企查查</p>
<p>描述:展示了 小米科技有限责任公司 的企业关系图谱</p>
<script src="./assets/jquery-3.2.1.min.js"></script>
<script src="./assets/d3-4.13.0.min.js"></script>
<script src="./assets/d3-legend-2.25.6.min.js"></script>
<script src="../build/g6.js"></script>
<script src="../build/plugin.behaviour.analysis.js"></script>
<script src="../build/plugin.tool.d3.mapper.js"></script>
<script>
$.getJSON('./assets/data/xiaomi.json', data => {
const Mapper = G6.Plugins['tool.d3.mapper'];
const { forceSimulation, forceLink, forceManyBody, forceX, forceY, forceCollide } = d3;
const nodeMap = {};
const nodeSizeMapper = new Mapper('node', 'degree', 'size', [8, 48], {
legendCfg: null
});
const nodeColorMapper = new Mapper('node', 'type', 'color', ['#e18826', '#002a67']);
const G = G6.G;
let simulation;
const graph = new G6.Graph({
container: 'mountNode',
height: window.innerHeight,
plugins: [nodeSizeMapper, nodeColorMapper],
modes: {
default: ['rightPanCanvas']
},
layout(nodes, edges) {
if (simulation) {
simulation.alphaTarget(0.3).restart();
} else {
simulation = forceSimulation(nodes)
.force('charge', forceManyBody().strength(-100))
.force('link', forceLink(edges).id(model => {
return model.id;
}))
.force('collision', forceCollide().radius(model => {
return model.size / 2 * 1.2;
}))
.force('y', forceY())
.force('x', forceX())
.on('tick', () => {
graph.updateNodePosition();
});
}
}
});
graph.node({
style(model) {
if (model.type === 'Company') {
return {
fill: '#e18826',
shadowColor: 'rgba(0,0,0, 0.3)',
shadowBlur: 3,
shadowOffsetX: 2,
shadowOffsetY: 2,
stroke: null
}
}
return {
fill: '#002a67',
shadowColor: 'rgba(0,0,0, 0.3)',
shadowBlur: 3,
shadowOffsetX: 3,
shadowOffsetY: 5,
stroke: null
}
},
label(model) {
return {
text: model.properties['name'],
stroke: null,
fill: '#fff'
};
}
});
graph.edge({
style() {
return {
stroke: '#b3b3b3',
lineWidth: 2
}
}
});
graph.read(data);
graph.translate(graph.getWidth() / 2, graph.getHeight() / 2);
// 拖拽节点交互
let subject; // 逼近点
graph.on('mousedown', ev => {
if (ev.domEvent.button === 0) {
subject = simulation.find(ev.x, ev.y);
}
});
graph.on('dragstart', ev => {
subject && simulation.alphaTarget(0.3).restart();
});
graph.on('drag', ev => {
if (subject) {
subject.fx = ev.x;
subject.fy = ev.y;
}
});
graph.on('mouseup', resetState);
graph.on('canvas:mouseleave', resetState);
function resetState() {
if (subject) {
simulation.alphaTarget(0);
subject.fx = null;
subject.fy = null;
subject = null
}
}
// 鼠标移入节点显示 label
function tryHideLabel(node) {
const model = node.getModel();
const label = node.getLabel();
const labelBox = label.getBBox();
if (labelBox.maxX - labelBox.minX > model.size) {
label.hide();
graph.draw();
}
}
const nodes = graph.getNodes();
const edges = graph.getEdges();
edges.forEach(edge => {
edge.getGraphicGroup().set('capture', false); // 移除边的捕获,提升图形拾取效率
});
nodes.forEach(node => {
tryHideLabel(node);
});
graph.on('node:mouseenter', ev => {
const item = ev.item;
graph.toFront(item);
item.getLabel().show();
graph.draw();
});
graph.on('node:mouseleave', ev => {
const item = ev.item;
tryHideLabel(item);
});
});
</script>
</body>
</html>