使用htmlwidget在sankeyNetwork中添加和定位文本

<script src="https://cdn.jsdelivr.net/npm/vis@4.21.0/dist/vis.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/vis@4.21.0/dist/vis.min.css" rel="stylesheet" type="text/css" />

<div id="sankeyContainer"></div>

var container = document.getElementById('sankeyContainer');

var nodes = new vis.DataSet([
  { id: 1, label: 'Node 1' },
  { id: 2, label: 'Node 2' },
  { id: 3, label: 'Node 3' }
]);

var edges = new vis.DataSet([
  { from: 1, to: 2, value: 10 },
  { from: 2, to: 3, value: 5 }
]);

var data = {
  nodes: nodes,
  edges: edges
};

var options = {
  nodes: {
    shape: 'box'
  },
  edges: {
    color: '#000000'
  }
};

var network = new vis.Network(container, data, options);

network.on('afterDrawing', function (ctx) {
  ctx.font = '12px Arial';
  ctx.fillStyle = '#000000';
  ctx.fillText('Text', 100, 100);
});