我想通过创建一个简单的 html 来试用 cytoscape-dagre。这是我的 html 代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Visualization</title>
<script src="https://unpkg.com/[email protected]/dist/cytoscape.min.js"></script>
<script src="https://unpkg.com/[email protected]/cytoscape-dagre.js"></script>
<style>
#cy {
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
}
</style>
</head>
<body>
<div id="cy"></div>
<script>
var cy = cytoscape({
container: document.getElementById('cy'),
elements: {
nodes: [
{ data: { id: 'A' } },
{ data: { id: 'B' } }
],
edges: [
{ data: { id: 'A-B', source: 'A', target: 'B' } }
]
},
layout: {
name: 'dagre'
}
});
</script>
</body>
</html>
但是网页上什么也没有显示。如果我删除布局部分,它将正确呈现节点。我想念什么才能使 dagre 布局正常工作?