背景颜色

示例加载中…

源码

import { Graph } from '@antv/g6';

const data = {
  nodes: [
    { id: 'node1', style: { x: 150, y: 100 } },
    { id: 'node2', style: { x: 250, y: 200 } },
    { id: 'node3', style: { x: 450, y: 200 } },
  ],
  edges: [
    { source: 'node1', target: 'node2' },
    { source: 'node1', target: 'node3' },
    { source: 'node2', target: 'node3' },
  ],
};

const graph = new Graph({
  container: 'container',
  data,
  node: {
    style: {
      labelText: (d) => d.id,
      labelPosition: 'bottom',
      labelFill: '#e66465',
      labelFontSize: 12,
      labelFontStyle: 'italic',
      labelBackground: true,
      labelBackgroundFill: 'linear-gradient(#e66465, #9198e5)',
      labelBackgroundStroke: '#9ec9ff',
      labelBackgroundRadius: 2,
    },
  },
  edge: {
    style: {
      labelText: (d) => d.id,
      labelPosition: 'center',
      labelTextBaseline: 'top',
      labelDy: 5,
      labelFontSize: 12,
      labelFontWeight: 'bold',
      labelFill: '#1890ff',
      labelBackground: true,
      labelBackgroundFill: 'linear-gradient(336deg, rgba(0,0,255,.8), rgba(0,0,255,0) 70.71%)',
      labelBackgroundStroke: '#9ec9ff',
      labelBackgroundRadius: 2,
    },
  },
  layout: {
    type: 'force',
  },
  behaviors: ['drag-canvas', 'drag-element'],
});

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;
}