数据动态切换
示例加载中…
import { addPanel } from '/demo-runtime.ts';
import { Graph } from '@antv/g6';
const fetchData = async (type) => {
if (type === 'large') {
const data = await fetch('https://assets.antv.antgroup.com/g6/cluster.json').then((res) => res.json());
return data;
}
return {
nodes: [{ id: 'b0' }, { id: 'b1' }, { id: 'b2' }, { id: 'b3' }, { id: 'b4' }, { id: 'b5' }],
edges: [
{ source: 'b0', target: 'b1' },
{ source: 'b0', target: 'b2' },
{ source: 'b0', target: 'b3' },
{ source: 'b0', target: 'b4' },
{ source: 'b0', target: 'b5' },
],
};
};
fetchData('small').then((data) => {
const graph = new Graph({
container: 'container',
behaviors: ['drag-canvas', 'zoom-canvas', 'drag-element'],
layout: {
type: 'force',
animated: true,
linkDistance: 100,
preventOverlap: true,
},
data,
});
graph.render();
addPanel((gui) => {
gui.add({ type: 'small' }, 'type', ['small', 'large']).onChange((type) => {
fetchData(type).then((data) => {
graph.setData(data);
graph.render();
});
});
});
});
import { Graph } from '@antv/g6';
import GUI from 'lil-gui';
export function addPanel(renderPanel: (gui: GUI) => void) {
const gui = new GUI({ container: document.body });
gui.title('Control');
Object.assign(gui.domElement.style, { position: 'absolute', top: '0', right: '0', zIndex: '10' });
renderPanel(gui);
addEventListener('pagehide', () => gui.destroy(), { once: true });
}
export async function createGraph(
options: ConstructorParameters<typeof Graph>[0],
size: { width?: number; height?: number } = {},
renderPanel?: (gui: GUI, graph: Graph) => void,
) {
const container = document.createElement('div');
Object.assign(container.style, {
width: '100%',
maxWidth: `${size.width || 600}px`,
height: `${size.height || 400}px`,
});
document.getElementById('container')!.append(container);
const graph = new Graph({ ...size, ...options, width: container.clientWidth, container, autoResize: true });
addEventListener('pagehide', () => graph.destroy(), { once: true });
await graph.render();
if (renderPanel) addPanel((gui) => renderPanel(gui, graph));
return container;
}