AntV-G6实现微服务拓扑图_antv g6 拓扑

G6 是一个简单、易用、完备的图可视化引擎，它在高定制能力的基础上，提供了一系列设计优雅、便于使用的图可视化解决方案。能帮助开发者搭建属于自己的图可视化、图分析、或图编辑器应用。

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核心代码

G6.registerNode(
    'background-animate',
    {
      afterDraw(cfg, group) {
        const r = cfg.size / 2;
        const back1 = group.addShape('circle', {
          zIndex: -3,
          attrs: {
            x: 0,
            y: 0,
            r,
            fill: cfg.color,
            opacity: 0.6,
          },
          name: 'back1-shape',
        });
        const back2 = group.addShape('circle', {
          zIndex: -2,
          attrs: {
            x: 0,
            y: 0,
            r,
            fill: cfg.color,
            opacity: 0.6,
          },
          name: 'back2-shape',
        });
        const back3 = group.addShape('circle', {
          zIndex: -1,
          attrs: {
            x: 0,
            y: 0,
            r,
            fill: cfg.color,
            opacity: 0.6,
          },
          name: 'back3-shape',
        });
        group.sort();
        back1.animate(
            {
              r: r + 20,
              opacity: 0.1,
            },
            {
              duration: 3000,
              easing: 'easeCubic',
              delay: 0,
              repeat: true,
            },
        );
        back2.animate(
            {
              r: r + 20,
              opacity: 0.1,
            },
            {
              duration: 3000,
              easing: 'easeCubic',
              delay: 1000,
              repeat: true,
            },
        ); // 1s delay
        back3.animate(
            {
              r: r + 20,
              opacity: 0.1,
            },
            {
              duration: 3000,
              easing: 'easeCubic',
              delay: 2000,
              repeat: true,
            },
        );
      },
    },
    'circle',
);
G6.registerEdge(
    'arrow-running',
    {
      afterDraw(cfg, group) {
        const shape = group.get('children')[0]
        const arrow = group.addShape('marker', {
          attrs: {
            x: 16,
            y: 0,
            r: 8,
            lineWidth: 2,
            stroke: '#3370ff',
            fill: '#fff',
            symbol: (x, y, r) => {
              return [
                ['M', x - 6, y - 4],
                ['L', x - 2, y],
                ['L', x - 6, y + 4]
              ]
            }
          }
        })

        arrow.animate(
            (ratio) => {
              const tmpPoint = shape.getPoint(ratio)
              const pos = getLabelPosition(shape, ratio)
              let matrix = [1, 0, 0, 0, 1, 0, 0, 0, 1]
              matrix = transform(matrix, [
                ['t', -tmpPoint.x, -tmpPoint.y],
                ['r', pos.angle],
                ['t', tmpPoint.x, tmpPoint.y]
              ])
              return {
                x: tmpPoint.x,
                y: tmpPoint.y,
                matrix
              }
            },
            {
              repeat: true,
              duration: 2000
            }
        )
      },
      setState(name, value, item) {
        const group = item.getContainer();
        const shape = group.get('children')[0];
        if (name === 'active') {
          if (value) {
            shape.attr('stroke', '#5394ef');
          } else {
            shape.attr('stroke', '#C2C8D5');
          }
        }
        if (name === 'selected') {
          if (value) {
            shape.attr('lineWidth', 2);
          } else {
            shape.attr('lineWidth', 2);
          }
        }
      },
    },
    'quadratic'
)
const graph = new G6.Graph({
  container: 'container',
  width,
  height,
  fitCenter: true,
  modes: {
    default: [
      'drag-canvas',
      'zoom-canvas',
      'click-select',
      'drag-node'
    ]
  },
  layout: {
    type: 'dagre',
    ranksep: 60,
    rankdir: 'LR',
    nodesep: 20
  },
  defaultNode: {
    type: 'circle',
    size: 60,
    labelCfg: {
      position: 'bottom'
    }
  },
  defaultEdge: {
    type: 'arrow-running',
    style: {
      endArrow: true,
      lineWidth: 2,
      lineAppendWidth: 15,
      stroke: '#C2C8D5'
    }
  },
  nodeStateStyles: {
    selected: {
      stroke: '#5394ef'
    }
  },
  fitView: true
})
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