G2 图表示例
源码
g2-react
​x
 
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<!DOCTYPE html>
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<html>
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  <head>
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    <meta charset="utf-8">
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    <title>结构树</title>
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    <script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>
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    <script src="https://gw.alipayobjects.com/as/g/datavis/g2/2.3.13/index.js"></script>
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  </head>
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  <body>
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    <div id="c1"></div>
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    <script>
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      var data = [{"name":"flare","children":[{"name":"analytics","children":[{"name":"cluster","children":[{"name":"AgglomerativeCluster","size":3938},{"name":"CommunityStructure","size":3812},{"name":"HierarchicalCluster","size":6714},{"name":"MergeEdge","size":743}]},{"name":"graph","children":[{"name":"BetweennessCentrality","size":3534},{"name":"LinkDistance","size":5731},{"name":"MaxFlowMinCut","size":7840},{"name":"ShortestPaths","size":5914},{"name":"SpanningTree","size":3416}]},{"name":"optimization","children":[{"name":"AspectRatioBanker","size":7074}]}]},{"name":"animate","children":[{"name":"Easing","size":17010},{"name":"FunctionSequence","size":5842},{"name":"interpolate","children":[{"name":"ArrayInterpolator","size":1983},{"name":"ColorInterpolator","size":2047},{"name":"DateInterpolator","size":1375},{"name":"Interpolator","size":8746},{"name":"MatrixInterpolator","size":2202},{"name":"NumberInterpolator","size":1382},{"name":"ObjectInterpolator","size":1629},{"name":"PointInterpolator","size":1675},{"name":"RectangleInterpolator","size":2042}]},{"name":"ISchedulable","size":1041},{"name":"Parallel","size":5176},{"name":"Pause","size":449},{"name":"Scheduler","size":5593},{"name":"Sequence","size":5534},{"name":"Transition","size":9201},{"name":"Transitioner","size":19975},{"name":"TransitionEvent","size":1116},{"name":"Tween","size":6006}]}]}];
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      var Layout = G2.Layout;
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      var Stat = G2.Stat;
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      var chart = new G2.Chart({
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        id: 'c1',
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        forceFit: true,
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        height: 450,
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        plotCfg: {
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          margin: [20,50]
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        }
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      });
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      // 不显示title
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      chart.tooltip({
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        title: null
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      });
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      // 不显示图例
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      chart.legend(false);
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      // 使用layout，用户可以自己编写自己的layout
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      // 仅约定输出的节点 存在 id,x，y字段即可
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      var layout = new Layout.Tree({
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        nodes: data
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      });
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      var nodes = layout.getNodes();
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      var edges = layout.getEdges();
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      // 首先绘制 edges，点要在边的上面
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      // 创建单独的视图
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      var edgeView = chart.createView();
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      edgeView.source(edges);
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      edgeView.coord().transpose(); //
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      edgeView.axis(false);
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      edgeView.tooltip(false);
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      // Stat.link 方法会生成 ..x, ..y的字段类型，数值范围是 0-1
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      edgeView.edge()
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        .position(Stat.link('source*target',nodes))
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        .shape('smooth')
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        .color('#ccc');
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      // 创建节点视图
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      var nodeView = chart.createView();
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      nodeView.coord().transpose(); //'polar'
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      nodeView.axis(false);
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      // 节点的x,y范围是 0，1
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      // 因为边的范围也是 0,1所以正好统一起来
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      nodeView.source(nodes, {
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        x: {min: 0,max:1},
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        y: {min: 0, max:1},
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        value: {min: 0}
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      });
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      nodeView.point().position('x*y').color('steelblue').size(3).label('name', {
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        offset: 5,
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        labelEmit: true
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      })
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        .tooltip('name');
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      chart.render();
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    </script>
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  </body>
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</html>
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​

结构树

正交布局的树图，展示的是Flare 软件包的子目录结构