可拖拽的流程图/树形图echarts /crux-appmodule/api/appmodule' },x:0,y:100, draggable: true,fixed:true,symbol: symbol2 }, { name: '2配置项内容和展示

使用的是echarts/chart/graph的拖拽功能

      // ！！！echarts需要是5.0.0.版本以上
// 这个示例使用的是graph的拖拽功能
// 1。data必须是draggable
// 2. series的layout必须是'force'
// 3. 在渲染完后需要把节点设置成固定
const symbol1 = "image://data:image/png;base64,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";
const symbol2= 'image://data:image/png;base64,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'

// 数据里必须设置draggable
var data = [
        { name: '1', draggable: true, value: { serviceId:'crux-gateway', type: 0,category:0,url:'/crux-appmodule/api/appmodule' },x:0,y:100, draggable: true,fixed:true,symbol: symbol2 }, 
        { name: '2', draggable: true, value: { serviceId:'crux-gateway1', type: 1,category:1,url:'/crux-appmodule/api/appmodule'},x:100,y:100, category: 1, draggable: true,fixed:true,symbol: symbol1 }, 
        { name: '3', draggable: true, value: { serviceId:'crux-gateway2', type: 1,category:1,url:'/crux-appmodule/api/appmodule/2' }, x:200,y:100,category: 1, draggable: true,fixed:true,symbol: symbol1 }, 
        { name: '4', draggable: true, value: { serviceId:'crux-gateway', type: 0,category:0,url:'/crux-appmodule/api/appmodule' },x:300,y:0, draggable: true,fixed:true,symbol: symbol2 }, 
        { name: '5', draggable: true, value: { serviceId:'crux-gateway1', type: 1,category:1,url:'/crux-appmodule/api/appmodule'},x:300,y:100, category: 1, draggable: true,fixed:true,symbol: symbol1 }, 
        { name: '6', draggable: true, value: { serviceId:'crux-gateway2', type: 1,category:1,url:'/crux-appmodule/api/appmodule/2' },x:300,y:200, category: 1, draggable: true,fixed:true,symbol: symbol1 }, 
     ]

const legend = {
    show: true,
    itemWidth: 20,
    itemHeight: 20,
    data: [
        { name: '成功', icon: symbol2 },
        { name: '失败', icon: symbol1 },
    ]
}
const series = {
    type: 'graph',
    roam:true,
    nodeScaleRatio:0,
    layout: 'force', // 如果想要使用graph的拖拽功能，layout必须是force
    autoCurveness:false,
    scaleLimit:{
      min:0.5,
      max:3
    },
    symbolSize: 40,
    categories: [ { name: "成功" }, { name: "失败" }],
    label: { 
        show: true,
        position:[-20,40],
        align: 'center',
        textStyle: { fontSize: 12, color: '#fff' },
        "borderRadius": [
          0,
          0,
          5,
          5
        ], 
        formatter: params => {
            return `{label${params.value.type}|serviceId：}{value|${params.value.serviceId}}\n{label${params.value.type}|url：}{value|${params.value.url}}`
        },
        rich: {
              "label0": {
                "backgroundColor": "#00cc66",
                "color": "#fff",
                "width": 60,
                "height": 30,
                "padding": [
                  0,
                  5,
                  0,
                  10
                ],
                "align":'left'
              },
              "label1": {
                "backgroundColor": "#ff0000",
                "color": "#fff",
                "width": 60,
                "height": 30,
                "padding": [
                  0,
                  5,
                  0,
                  10
                ],
                "align":'left'
              },
              "value": {
                "color": "#888",
                "align": "center",
                "lineHeight": 17,
                "height": 30,
                "borderColor": "#eee",
                "borderWidth": 1,
                "padding": [
                  0,
                  5,
                  0,
                  5
                ]
              }
        }
    },
    labelLayout: function(param){
        return {
            moveOverlap:true,
            hideOverlap:true
        }
    },
    edgeSymbol: ['none', 'arrow'],
    edgeSymbolSize: [4, 8],
    data: data,
    links: [
        { source: 0, target: 1, value: '',}, 
        { source: 1, target: 2, value: '', }, 
        { source: 2, target: 3, value: '', }, 
        { source: 2, target: 4, value: '', }, 
        { source: 2, target: 5, value: '', }, 
    ],
    lineStyle: {
        opacity: 0.9,
        width: 2,
        color: '#333'
    }
}

option = { series, legend }
setTimeout(function() {
  // 源码中在dragend里将node设为了unfixed，变成了浮动
  // 因此需要增加一下dragend监听，将node设置成固定
  var seriesModel = myChart.getModel().getSeriesByIndex(0)
  seriesModel.getData().graph.eachNode(node=>{
    var el = node.getGraphicEl();
    var idx = node.dataIndex;
    var itemModel = node.getModel();
    var draggable = itemModel.get('draggable');
    if(draggable){
      el.on('dragend', function () {
      var forceLayout = seriesModel.forceLayout;
        if (forceLayout) {
          forceLayout.setFixed(idx);
        }
      });
    }
  })
}, 10);