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graph - cytoscape js标签显示，如何换行文字

转载 作者：行者123 更新时间：2023-12-02 03:05:20 24 4
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我正在使用 cytoscape.js 来显示有向图，并在标签中显示 2 个属性。

我想换行文本，文档中说这是可能的，但我无法让它工作。任何人都可以帮助语法吗？

'label': 'data(name)',
'font-size' : 14
'text-wrap': 'wrap/n'

text-wrap 好像不行，它挂断了图形显示。

我需要设置 'text-max-width' 吗？

提前致谢

最佳答案

你不能在 text-wrap css 属性中添加\n，你正在寻找 label 属性:

{
    "selector": ".multiline-manual",
    "style": {
      "text-wrap": "wrap"
    }
  },

  {
    "selector": ".multiline-auto",
    "style": {
      "text-wrap": "wrap",
      "text-max-width": 80
    }
  },

这些类中的一个应该添加到您希望标签被包装的节点。你可以这样做:

var cy = (window.cy = cytoscape({
  container: document.getElementById("cy"),

  boxSelectionEnabled: false,
  autounselectify: true,

  style: [{
      selector: "node",
      css: {
        content: "data(name)",
        height: "60px",
        width: "60px"
      }
    },
    {
      selector: "edge",
      css: {
        "target-arrow-shape": "triangle"
      }
    },
    {
      selector: ".multiline-manual",
      style: {
        "text-wrap": "wrap"
      }
    },

    {
      selector: ".multiline-auto",
      style: {
        "text-wrap": "wrap",
        "text-max-width": 80
      }
    }
  ],

  elements: {
    nodes: [{
        data: {
          id: "n0",
          name: "This is a very long name and all I have to do is to add a class!"
        },
        classes: "multiline-auto"
      },
      {
        data: {
          id: "n1",
          name: "Shorter"
        },
        classes: "multiline-auto"
      },
      {
        data: {
          id: "n2",
          name: "This shouldn't wrap"
        },
        classes: "multiline-manual"
      },
      {
        data: {
          id: "n3",
          name: "This should\nwrap"
        },
        classes: "multiline-manual"
      }
    ],
    edges: [{
        data: {
          source: "n0",
          target: "n1"
        }
      },
      {
        data: {
          source: "n1",
          target: "n2"
        }
      },
      {
        data: {
          source: "n1",
          target: "n3"
        }
      }
    ]
  },

  layout: {
    name: "dagre",
    padding: 5
  }
}));
body {
  font: 14px helvetica neue, helvetica, arial, sans-serif;
}

#cy {
  height: 100%;
  width: 100%;
  left: 0;
  top: 0;
  float: left;
  position: absolute;
}
<html>

<head>
  <meta charset=utf-8 />
  <meta name="viewport" content="user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, minimal-ui">
  <script src="https://unpkg.com/cytoscape@3.3.0/dist/cytoscape.min.js">
  </script>
  <script src="https://unpkg.com/jquery@3.3.1/dist/jquery.js"></script>
  <!-- cyposcape dagre -->
  <script src="https://unpkg.com/dagre@0.7.4/dist/dagre.js"></script>
  <script src="https://cdn.rawgit.com/cytoscape/cytoscape.js-dagre/1.5.0/cytoscape-dagre.js"></script>
</head>

<body>
  <div id="cy"></div>
</body>

</html>

关于graph - cytoscape js标签显示，如何换行文字，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/59155757/

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