基本的关系图

let data = {
  nodes: [
    {
      name: '操作系统集团11223',
      category: 4 // index
    },
    {
      name: '操作系统集团123',
      category: 3 // index
    },
    {
      name: '操作系统集团center',
      category: 2 // index
    },
    {
      name: '操作系统集团',
      category: 0 // index
    },
    {
      name: '浏览器有限公司',
      category: 0 // index
    },
    {
      name: 'Chrome',
      category: 1 // index
    }
  ],

  links: [
    {
      source: '浏览器有限公司',
      target: '操作系统集团center',
      name: '董事2'  // 关系
    },
    {
      source: '浏览器有限公司',
      target: '操作系统集团',
      name: '参股'  // 关系
    },
    {
      source: 'Chrome',
      target: '浏览器有限公司',
      name: '董事'  // 关系
    }
  ]
};

const color1 = '#006acc';
const color2 = '#ff7d18';
const color3 = '#10a050';


let categories = [
  {
    name: '公司',
    itemStyle: {
      color: color1
    }
  },
  {
    name: '董事',
    itemStyle: {
      color: color2
    }
  },
  {
    name: '董事2',
    itemStyle: {
      color: 'red'
    }
  },
  {
    name: '董事3',
    itemStyle: {
      color: 'green'
    }
  },
  {
    name: '董事4',
    itemStyle: {
      color: 'purple'
    }
  }
];

option = {
  title: {
    text: '知识图谱'
  },
  legend: [
    {
      // selectedMode: 'single',
      data: categories.map((x) => ({
        name: x.name,
        label: {
          show: true,
          formatter: function (x) {
            const arr = x.data.names.split('');
            const res = [];
            for (let i = 2; i < arr.length; i += 2) {
              res.push(arr.slice(0, i));
            }
            return res.join('\n');
          }
        }
      })),
      icon: 'circle'
    }
  ],
  series: [
    {
      type: 'graph',
      layout: 'force',
      symbolSize: 58,
      draggable: true,
      roam: true,
      focusNodeAdjacency: true,
      categories: categories,
      edgeSymbol: ['', 'arrow'],
      edgeSymbolSize: [80, 10],
      edgeLabel: {
        normal: {
          show: true,
          textStyle: {
            fontSize: 20
          },
          formatter(x) {
            return x.data.name;
          }
        }
      },
      label: {
        show: true
      },
      force: {
        repulsion: 2000,
        edgeLength: 120
      },
      data: data.nodes,
      links: data.links
    }
  ]
};
console.log(option);