G6策略树

//G6组件
<template>
  <div id="container" :style="{ height: ‘500px‘, width: ‘100%‘ }" />
</template>

<script>
import G6 from ‘@antv/g6‘
export default {
  data() {
    return {
      contorlGraph: ‘‘
    }
  },
  methods: {
    CheckChange(val) {
      const container = document.getElementById(‘container‘)
      const graph = new G6.TreeGraph({
        container: ‘container‘,
        width: container.clientWidth,
        height: container.clientHeight,
        modes: {
          default: [
            {
              type: ‘collapse-expand‘,
              onChange: function onChange(item, collapsed) {
                const data = item.getModel()
                data.collapsed = collapsed
                return true
              }
            },
            ‘drag-canvas‘,
            ‘zoom-canvas‘
          ]
        },
        defaultNode: {
          size: 26,
          anchorPoints: [
            [0, 0.5],
            [1, 0.5]
          ]
        },
        defaultEdge: {
          type: ‘cubic-horizontal‘
        },
        nodeStateStyles: {
          // hover 状态为 true 时的样式
          hover: {
            fill: ‘#4d78cc‘
          }
        },
        layout: {
          type: ‘compactBox‘,
          direction: ‘LR‘,
          getId: function getId(d) {
            return d.id
          },
          getHeight: function getHeight() {
            return 16
          },
          getWidth: function getWidth() {
            return 16
          },
          getVGap: function getVGap() {
            return 10
          },
          getHGap: function getHGap() {
            return 100
          }
        }
      })
      graph.node(function (node) {
        return {
          label: node.data.label,
          labelCfg: {
            offset: 10,
            position: node.children && node.children.length > 0 ? ‘left‘ : ‘right‘,
            style: {
              fill:
                node.depth === 3
                  ? node.status
                    ? ‘#6b9bfa‘
                    : ‘#000000‘
                  : ‘#6b9bfa‘
            }
          }
        }
      })
      // 闪开功能
      // G6.Util.traverseTree(val, function (item) {
      //   if (item.data.hasChild === true) {
      //     item.collapsed = true
      //   }
      // })
      graph.on(‘node:click‘, (ev) => {
        const { item } = ev
        // console.log(item)
        if (item._cfg.model.data.response) {
          graph.setItemState(item, ‘hover‘, true)
          this.$emit(‘treeDataResponse‘, item._cfg.model.data)
          return {
            style: {
              fill: ‘#00a23c‘,
              stroke: ‘#ea7171‘
            }
          }
        }
      })
      // 监听鼠标离开节点
      graph.on(‘node:mouseleave‘, (ev) => {
        const { item } = ev
        // 设置目标节点的 hover 状态 false
        setTimeout(() => {
          graph.setItemState(item, ‘hover‘, false)
        }, 500)
      })
      this.contorlGraph = graph
      graph.data(val)
      graph.render()
      graph.fitView()
    },
    handleCheckChange(val) {
      // 如果画布没有渲染节点的情况
      if (!this.contorlGraph.cfg) {
        this.CheckChange(val)
        this.destroyDrag()
        this.CheckChange(val)
      } else {
        // 有渲染节点，再次点击到有节点的数据，避免重复渲染
        this.destroyDrag()
        setTimeout(() => { this.CheckChange(val) }, 20)
      }
    },
    // 销毁画布
    destroyDrag() {
      // 如果画布已经被销毁，则不再执行
      if (this.contorlGraph.cfg !== null) {
        this.contorlGraph.destroy()
      } else {
        return false
      }
    }
  }
}
</script>

<style lang="scss" scoped>
#container {
  margin-left: 75px;
  width: 100%;
  height: 100%;
  border: 1px solid #eee;
}
</style>

 
//引入组件

<dataTreeref="TREE_DATA"@treeDataResponse="treeDataResponse" />

//给组件传值

//获取选中节点的值