1.Graph.vue

<template>
  <div class="yh-graph"></div>
</template>
<script>
var _POS = [
  [-1, -0.35],
  [1.0, 0.1],
  [0.72, -0.45],
  [-0.75, 0.25],
  [0.4, -0.75],
  [-0.5, -0.55],
  [0.45, 0.2],
  [-0.15, -0.66]
];

var _N_RADIUS = 600;

function _position(node, i) {
  if (i == 0) {
    node.x = 0;
    node.y = 0;
  } else {
    i = i - 1;
    var k = i % _POS.length;
    var p = _POS[k];
    var r = _N_RADIUS * (i / _POS.length + 1);
    node.x = p[0] * r;
    node.y = p[1] * r;
  }
}

function _create_nodes(nodes) {
  var arr = [];
  var i = 0;
  nodes.forEach(function(e) {
    var n = {};
    n.id = e.id;
    n.name = e.name;
    var s = e.size;
    n.value = s;
    n.symbolSize = s;
    if (e.image) {
      n.symbol = "image://" + e.image;
    }
    _position(n, i++);
    arr.push(n);
  });
  return arr;
}

function _create_links(links) {
  var arr = [];
  links.forEach(function(e) {
    var l = {};
    l.id = e.id;
    l.name = e.name;
    l.source = e.source;
    l.target = e.target;
    arr.push(l);
  });
  return arr;
}

function showGraph(chart, nodes, links) {
  var option = {
    series: [
      {
        name: "g1",
        type: "graph",
        animation: false,
        data: nodes,
        links: links,
        roam: false,
        focusNodeAdjacency: true,
        itemStyle: {
          normal: {
            color: "#999",
            backgroundColor: "#fff",
            borderColor: "#fff",
            borderWidth: 1,
            shadowBlur: 10,
            shadowColor: "rgba(0, 0, 0, 0.3)"
          }
        },
        label: {
          show: true,
          position: "bottom",
          color: "#000",
          formatter: "{b}"
        },
        force: {
          repulsion: 10000
        },
        lineStyle: {
          type: "solid",
          color: "#666",
          curveness: 0.3,
          opacity: 0.9,
          width: 3
        },
        edgeLabel: {
          show: true,
          formatter: function(params) {
            return params.data["name"];
          },
          color: "#fff",
          borderColor: "#666",
          backgroundColor: "#666",
          borderWidth: 1,
          borderRadius: 3,
          padding: [2, 5, 2, 5]
        },
        emphasis: {
          lineStyle: {
            width: 10
          }
        }
      }
    ]
  };
  chart.setOption(option);
  chart.dispatchAction({
    type: "unfocusNodeAdjacency",
    seriesIndex: 0,
    dataIndex: 0
  });
}

export default {
  name: "YhGraph",
  data() {
    return {
      nodes: [],
      links: []
    };
  },
  methods: {
    onLinkClick(link) {
      this.$emit("select-link", {
        id: link.id,
        name: link.name,
        source: this.getNodeDesc(link.source),
        target: this.getNodeDesc(link.target)
      });
    },
    getNodeDesc(id) {
      var nodes = this.nodes;
      for (var i = 0; i < nodes.length; ++i) {
        var n = nodes[i];
        if (n.id == id) {
          return { id: id, name: n.name };
        }
      }
    },
    updateLinkName(id, name) {
      var links = this.links;
      for (var i = 0; i < links.length; ++i) {
        var n = links[i];
        if (n.id == id) {
          n.name = name;
          var chart = this.$chart;
          chart.clear();
          showGraph(chart, this.nodes, this.links);
        }
      }
    },
    show(g) {
      this.nodes = _create_nodes(g.nodes);
      this.links = _create_links(g.links);
      showGraph(this.$chart, this.nodes, this.links);
    }
  },
  mounted() {
    var chart = echarts.init(this.$el);
    var vm = this;
    chart.on("click", function(params) {
      if (params.seriesIndex == 0 && params.dataType == "edge") {
        vm.onLinkClick(params.data);
      }
    });
    this.$chart = chart;
  }
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
</style>

2.GraphDemo.vue

<template>
  <div class="yh-page">
    <h1>关系图演示</h1>
    <div class="desc">
      Demo源代码：
    </div>
    <div class="yh-block" style="align:top">
      <yh-graph
        ref="graph"
        style="width:500px;height:400px;display:inline-block"
        @select-link="onLinkSelect"
      ></yh-graph>
      <div class="rel-form">
        <el-form v-show="editing" :model="rel" label-width="50px" class="yh-small">
          <div style="padding-left:50px">{{rel.source}} 与 {{rel.target}}</div>
          <el-form-item label="关系">
            <el-input v-model="rel.name" size="small"></el-input>
          </el-form-item>
          <yh-button class="yh-primary" @click="onSaveClick">确定</yh-button>
        </el-form>
      </div>
    </div>
  </div>
</template>
<script>
import graph from "../../components/comcompont/echarts/Graph";
import yhbutton from "../../components/comcompont/Button";
export default {
  name: "GraphDemo",
  data() {
    return {
      rel: {
        id: "",
        source: "",
        target: "",
        oldName: "",
        name: ""
      },
      editing: false,
      graph: {
        nodes: [
          { id: "0", name: "客户1", size: 100, image: "/images/ic_head.png" },
          { id: "1", name: "A", size: 70 },
          { id: "2", name: "B", size: 70 },
          { id: "3", name: "C", size: 70 },
          { id: "4", name: "D", size: 70 },
          { id: "5", name: "E", size: 70 },
          { id: "6", name: "F", size: 70 },
          { id: "7", name: "G", size: 70 },
          { id: "8", name: "H", size: 70 }
        ],
        links: [
          { id: "0", name: "夫妻", source: "0", target: "1" },
          { id: "1", name: "父子", source: "0", target: "2" },
          { id: "2", name: "母子", source: "0", target: "3" },
          { id: "3", name: "父子", source: "0", target: "4" },
          { id: "4", name: "同事", source: "0", target: "5" },
          { id: "5", name: "同事", source: "0", target: "6" },
          { id: "6", name: "同事", source: "0", target: "7" },
          { id: "7", name: "同事", source: "0", target: "8" }
        ]
      }
    };
  },
  methods: {
    onLinkSelect(link) {
      var r = this.rel;
      r.id = link.id;
      r.name = link.name;
      r.oldName = link.name;
      r.source = link.source.name;
      r.target = link.target.name;
      this.editing = true;
    },
    onSaveClick() {
      var rel = this.rel;
      if (rel.oldName != rel.name) {
        this.$refs.graph.updateLinkName(rel.id, rel.name);
      }
      this.editing = false;
    }
  },
  mounted() {
    this.$refs.graph.show(this.graph);
  },
  components: {
	"yh-graph": graph,
	"yh-button": yhbutton
  }
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scope>
.rel-form {
  width: 300px;
  height: 400px;
  display: inline-block;
  float: right;
  margin-right: 20px;
  margin-top: 20px;
}
</style>