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  • vue d3 force cytoscape

    1. d3 force

    <template>
      <div :id="id">
        <svg width="100vw" height="100vh" />
      </div>
    </template>
    <script>
    /**
     * 力导向图
     */
    import * as d3 from 'd3'
    let gs = ''
    let forceSimulation = ''
    let links = ''
    let linksText = ''
    const nodes = [
      { name: '湖南' },
      { name: '毛' },
      { name: '主席' },
      { name: '湖南' },
      { name: '毛' },
      { name: '主席' },
      { name: '湖南' },
      { name: '毛' },
      { name: '主席' }
    ]
    
    const edges = [
      { source: 0, target: 1, relation: '籍贯', value: 1 },
      { source: 0, target: 2, relation: '职责', value: 1 },
      { source: 0, target: 3, relation: '职责', value: 1 },
      { source: 0, target: 4, relation: '职责', value: 1 },
      { source: 0, target: 5, relation: '职责', value: 1 },
      { source: 0, target: 6, relation: '职责', value: 1 },
      { source: 0, target: 7, relation: '职责', value: 1 },
      { source: 0, target: 8, relation: '职责', value: 1 },
      { source: 1, target: 2, relation: '职责', value: 1 },
      { source: 2, target: 3, relation: '职责', value: 1 },
      { source: 3, target: 4, relation: '职责', value: 1 },
      { source: 4, target: 5, relation: '职责', value: 1 },
      { source: 5, target: 6, relation: '职责', value: 1 },
      { source: 6, target: 7, relation: '职责', value: 1 },
      { source: 7, target: 8, relation: '职责', value: 1 },
      { source: 8, target: 1, relation: '职责', value: 1 }
    ]
    export default {
      name: 'Scale',
      data() {
        return {
          id: ''
        }
      },
      created() {
        this.id = this.uuid()
      },
      mounted() {
        // 1.创建svg画布
        const marge = { top: 160, bottom: 60, left: 160, right: 60 }
        const width = document.getElementById(this.id).clientWidth
        const height = document.getElementById(this.id).clientHeight
        const svg = d3
          .select(this.$el)
          .select('svg')
          .attr('width', width)
          .attr('height', height)
        const g = svg
          .append('g')
          .attr(
            'transform',
            'translate(' + marge.top + ',' + marge.left + ')'
          )
    
        // 2.设置一个color的颜色比例尺,为了让不同的扇形呈现不同的颜色
        var colorScale = d3
          .scaleOrdinal()
          .domain(d3.range(nodes.length))
          .range(d3.schemeCategory10)
    
        // 3.新建一个力导向图
        forceSimulation = d3
          .forceSimulation()
          .force('link', d3.forceLink())
          .force('charge', d3.forceManyBody())
          .force('center', d3.forceCenter())
          .force('collide', d3.forceCollide().radius(60).iterations(2))
    
        // 4. 初始化力导向图
        // 生成节点数据
        forceSimulation.nodes(nodes).on('tick', this.ticked)
        // 生成边数据
        forceSimulation
          .force('link')
          .links(edges)
          .distance(function(d) {
            // 每一边的长度
            return d.value * 100
          })
        // 设置图形的中心位置
        forceSimulation
          .force('center')
          .x(width / 4)
          .y(height / 4)
    
        // 5. 绘制边(有了节点和边的数据后)
        links = g
          .append('g')
          .selectAll('line')
          .data(edges)
          .enter()
          .append('line')
          .attr('stroke', function(d, i) {
            return colorScale(i)
          })
          .attr('stroke-width', 1)
        linksText = g
          .append('g')
          .selectAll('text')
          .data(edges)
          .enter()
          .append('text')
          .text(function(d) {
            return d.relation
          })
    
        // 6. 绘制节点, 先为节点和节点上的文字分组
        gs = g
          .selectAll('.circleText')
          .data(nodes)
          .enter()
          .append('g')
          .attr('transform', function(d, i) {
            var cirX = d.x
            var cirY = d.y
            return 'translate(' + cirX + ',' + cirY + ')'
          })
          .call(
            d3
              .drag()
              .on('start', this.dragStart)
              .on('drag', this.drag)
              .on('end', this.dragEnd)
          )
    
        // 绘制节点
        gs.append('circle')
          .attr('r', 10)
          .attr('fill', function(d, i) {
            return colorScale(i)
          })
        // 文字
        gs.append('text')
          .attr('x', -10)
          .attr('y', -20)
          .attr('dy', 10)
          .text(function(d) {
            return d.name
          })
      },
      methods: {
        uuid() {
          function s4() {
            return Math.floor((1 + Math.random()) * 0x10000)
              .toString(16)
              .substring(1)
          }
          return (
            s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4()
          )
        },
        ticked() {
          links
            .attr('x1', function(d) {
              return d.source.x
            })
            .attr('y1', function(d) {
              return d.source.y
            })
            .attr('x2', function(d) {
              return d.target.x
            })
            .attr('y2', function(d) {
              return d.target.y
            })
    
          linksText
            .attr('x', function(d) {
              return (d.source.x + d.target.x) / 2
            })
            .attr('y', function(d) {
              return (d.source.y + d.target.y) / 2
            })
    
          gs.attr('transform', d => {
            return 'translate(' + d.x + ',' + d.y + ')'
          })
        },
        dragStart(d) {
          d.fx = d.x
          d.fy = d.y
        },
        dragEnd(d) {
          if (!d3.event.active) {
            forceSimulation.alphaTarget(0)
          }
          d.fx = null
          d.fy = null
        },
        drag(d) {
          forceSimulation.alphaTarget(0.7).restart()
          d.fx = d3.event.x
          d.fy = d3.event.y
        }
      }
    }
    </script>
    <style lang='scss' scoped>
    </style>

    2.cytoscape

    <template>
      <div id="box">
        <h1>demo</h1>
        <div id="cy" />
      </div>
    </template>
    
    <script>
    import cytoscape from 'cytoscape'
    
    export default {
      name: 'Cytoscape',
      components: {},
      data() {
        return {
          nodes: [
            { data: { id: 'n0', label: '哈哈哈' }},
            { data: { id: 'n1', label: '嘟嘟嘟' }},
            { data: { id: 'n2', label: '嘿嘿嘿' }},
            { data: { id: 'n3', label: '啦啦啦' }},
            { data: { id: 'n4', label: '嘀嘀嘀' }},
            { data: { id: 'n5', label: '噜噜噜' }}
          ],
          edges: [
            { data: { source: 'n2', target: 'n1' }},
            { data: { source: 'n2', target: 'n3' }},
            { data: { source: 'n2', target: 'n0' }},
            { data: { source: 'n1', target: 'n0' }},
            { data: { source: 'n0', target: 'n1' }},
            { data: { source: 'n4', target: 'n5' }},
            { data: { source: 'n3', target: 'n4' }},
            { data: { source: 'n5', target: 'n0' }},
            { data: { source: 'n5', target: 'n1' }},
            { data: { source: 'n5', target: 'n2' }},
            { data: { source: 'n5', target: 'n3' }},
            { data: { source: 'n4', target: 'n3' }}
          ]
        }
      },
      mounted() {
        this.createCytoscape()
      },
      methods: {
        createCytoscape() {
          cytoscape.warnings(false)
          cytoscape({
            container: document.getElementById('cy'),
            boxSelectionEnabled: false,
            userZoomingEnabled: false, // 滚轮缩放
            wheelSensitivity: 0.1,
            autounselectify: true,
            autoungrabify: false,
            autolock: false,
            layout: {
              name: 'circle'
            },
            minZoom: 0.3,
            style: [{
              selector: 'node',
              style: {
                'content': 'data(label)',
                'height': 100,
                'width': 100,
                'color': '#fff',
                'pie-size': '100%',
                'text-valign': 'center',
                'text-halign': 'center',
                'background-color': '#fd942a'
              }
            },
            {
              selector: ':parent',
              css: {
                'text-valign': 'top',
                'text-halign': 'center'
                // 'text-halign': 'right',
                // 'text-rotation': '90deg', //文字旋转
              }
            },
            {
              selector: 'edge',
              style: {
                 3,
                label: 'data(label)',
                'target-arrow-shape': 'triangle',
                // "target-arrow-fill": "hollow", //箭头填充 空心
                'line-color': '#9dbaea',
                'target-arrow-color': '#9dbaea',
                'curve-style': 'bezier'
              }
            }
    
            ],
            elements: {
              // 节点数据
              nodes: this.nodes,
              //
              edges: this.edges
            }
          })
        }
      }
    }
    
    </script>
    
    <style lang="scss" scoped>
    #cy {
       90vw;
      height: 90vh;
    }
    
    h1 {
      opacity: 0.5;
      font-size: 1em;
    }
    
    </style>

    记录进步。

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  • 原文地址:https://www.cnblogs.com/sxdjy/p/14954015.html
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