@antv/g6/.cache/caches/gatsby-transformer-remark/diskstore-5a9d7fc170240d75640fe201bc494585.json

graph visualization frame work

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11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg>"}]},{"type":"text","value":"节点与边的显示/隐藏","position":{"start":{"line":1,"column":4,"offset":3},"end":{"line":1,"column":14,"offset":13}}}],"position":{"start":{"line":1,"column":1,"offset":0},"end":{"line":1,"column":14,"offset":13}}},{"type":"text","value":"\n"},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"使用下面四个函数可以实现节点与边的显示/隐藏：","position":{"start":{"line":3,"column":1,"offset":15},"end":{"line":3,"column":24,"offset":38}}}],"position":{"start":{"line":3,"column":1,"offset":15},"end":{"line":3,"column":24,"offset":38}}},{"type":"text","value":"\n"},{"type":"raw","value":"<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\"><span class=\"token comment\">// 显示节点实例 nodeItem，该节点的 visible 属性值在该方法调用后被置为 true</span>\nnodeItem<span class=\"token punctuation\">.</span><span class=\"token function\">show</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n\n<span class=\"token comment\">// 隐藏节点实例 nodeItem，该边的 visible 属性值在该方法调用后被置为 false</span>\nnodeItem<span class=\"token punctuation\">.</span><span class=\"token function\">hide</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n\n<span class=\"token comment\">// 显示边实例 nodeItem，该边的 visible 属性值在该方法调用后被置为 true</span>\nedgeItem<span class=\"token punctuation\">.</span><span class=\"token function\">show</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n\n<span class=\"token comment\">// 隐藏边实例 nodeItem，该边的 visible 属性值在该方法调用后被置为 false</span>\nedgeItem<span class=\"token punctuation\">.</span><span class=\"token function\">hide</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>","position":{"start":{"line":4,"column":1,"offset":39},"end":{"line":16,"column":4,"offset":328}}},{"type":"text","value":"\n"},{"type":"element","tagName":"h2","properties":{"id":"示例"},"children":[{"type":"element","tagName":"a","properties":{"href":"#%E7%A4%BA%E4%BE%8B","aria-label":"示例 permalink","class":"anchor"},"children":[{"type":"raw","value":"<svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg>"}]},{"type":"text","value":"示例","position":{"start":{"line":18,"column":4,"offset":333},"end":{"line":18,"column":6,"offset":335}}}],"position":{"start":{"line":18,"column":1,"offset":330},"end":{"line":18,"column":6,"offset":335}}},{"type":"text","value":"\n"},{"type":"element","tagName":"p","properties":{},"children":[{"type":"element","tagName":"img","properties":{"src":"https://cdn.nlark.com/yuque/0/2019/gif/156681/1571631255753-42a156b0-e256-4f9b-a087-ff340455c47b.gif#align=left&display=inline&height=89&name=node-edge-show-hide.gif&originHeight=89&originWidth=206&search=&size=16316&status=done&width=206","alt":"node-edge-show-hide.gif"},"children":[],"position":{"start":{"line":19,"column":1,"offset":336},"end":{"line":19,"column":267,"offset":602}}},{"type":"raw","value":"<br />","position":{"start":{"line":19,"column":267,"offset":602},"end":{"line":19,"column":273,"offset":608}}},{"type":"text","value":"下面代码从 ","position":{"start":{"line":19,"column":273,"offset":608},"end":{"line":19,"column":279,"offset":614}}},{"type":"element","tagName":"a","properties":{"href":"https://codepen.io/Yanyan-Wang/pen/gOOLERv","target":"_self","rel":"nofollow"},"children":[{"type":"text","value":"完整 Demo 代码","position":{"start":{"line":19,"column":280,"offset":615},"end":{"line":19,"column":290,"offset":625}}}],"position":{"start":{"line":19,"column":279,"offset":614},"end":{"line":19,"column":335,"offset":670}}},{"type":"text","value":" 中摘取了元素显示/隐藏的相关操作部分，通过鼠标监听对节点、边、画布的点击事件，显示和隐藏元素：","position":{"start":{"line":19,"column":335,"offset":670},"end":{"line":19,"column":383,"offset":718}}}],"position":{"start":{"line":19,"column":1,"offset":336},"end":{"line":19,"column":383,"offset":718}}},{"type":"text","value":"\n"},{"type":"raw","value":"<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript\"><code class=\"language-javascript\"><span class=\"token comment\">// 鼠标点击节点，隐藏该节点</span>\ngraph<span class=\"token punctuation\">.</span><span class=\"token function\">on</span><span class=\"token punctuation\">(</span><span class=\"token string\">'node:click'</span><span class=\"token punctuation\">,</span> <span class=\"token parameter\">ev</span> <span class=\"token operator\">=></span> <span class=\"token punctuation\">{</span>\n  <span class=\"token keyword\">const</span> node <span class=\"token operator\">=</span> ev<span class=\"token punctuation\">.</span>item<span class=\"token punctuation\">;</span>\n  console<span class=\"token punctuation\">.</span><span class=\"token function\">log</span><span class=\"token punctuation\">(</span><span class=\"token string\">'before hide(), the nodevisible = '</span><span class=\"token punctuation\">,</span> node<span class=\"token punctuation\">.</span><span class=\"token function\">get</span><span class=\"token punctuation\">(</span><span class=\"token string\">'visible'</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  node<span class=\"token punctuation\">.</span><span class=\"token function\">hide</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  graph<span class=\"token punctuation\">.</span><span class=\"token function\">paint</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  console<span class=\"token punctuation\">.</span><span class=\"token function\">log</span><span class=\"token punctuation\">(</span><span class=\"token string\">'after hide(), the node visible = '</span><span class=\"token punctuation\">,</span> node<span class=\"token punctuation\">.</span><span class=\"token function\">get</span><span class=\"token punctuation\">(</span><span class=\"token string\">'visible'</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n\n<span class=\"token comment\">// 鼠标点击边，隐藏该边</span>\ngraph<span class=\"token punctuation\">.</span><span class=\"token function\">on</span><span class=\"token punctuation\">(</span><span class=\"token string\">'edge:click'</span><span class=\"token punctuation\">,</span> <span class=\"token parameter\">ev</span> <span class=\"token operator\">=></span> <span class=\"token punctuation\">{</span>\n  <span class=\"token keyword\">const</span> edge <span class=\"token operator\">=</span> ev<span class=\"token punctuation\">.</span>item<span class=\"token punctuation\">;</span>\n  console<span class=\"token punctuation\">.</span><span class=\"token function\">log</span><span class=\"token punctuation\">(</span><span class=\"token string\">'before hide(), the edge visible = '</span><span class=\"token punctuation\">,</span> edge<span class=\"token punctuation\">.</span><span class=\"token function\">get</span><span class=\"token punctuation\">(</span><span class=\"token string\">'visible'</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  edge<span class=\"token punctuation\">.</span><span class=\"token function\">hide</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  graph<span class=\"token punctuation\">.</span><span class=\"token function\">paint</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  console<span class=\"token punctuation\">.</span><span class=\"token function\">log</span><span class=\"token punctuation\">(</span><span class=\"token string\">'after hide(), the edge visible = '</span><span class=\"token punctuation\">,</span> edge<span class=\"token punctuation\">.</span><span class=\"token function\">get</span><span class=\"token punctuation\">(</span><span class=\"token string\">'visible'</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n\n<span class=\"token comment\">// 鼠标点击画布，显示所有节点和边</span>\ngraph<span class=\"token punctuation\">.</span><span class=\"token function\">on</span><span class=\"token punctuation\">(</span><span class=\"token string\">'canvas:click'</span><span class=\"token punctuation\">,</span> <span class=\"token parameter\">ev</span> <span class=\"token operator\">=></span> <span class=\"token punctuation\">{</span>\n  <span class=\"token keyword\">const</span> nodes <span class=\"token operator\">=</span> graph<span class=\"token punctuation\">.</span><span class=\"token function\">getNodes</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  <span class=\"token keyword\">const</span> edges <span class=\"token operator\">=</span> graph<span class=\"token punctuation\">.</span><span class=\"token function\">getEdges</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  nodes<span class=\"token punctuation\">.</span><span class=\"token function\">forEach</span><span class=\"token punctuation\">(</span><span class=\"token parameter\">node</span> <span class=\"token operator\">=></span> <span class=\"token punctuation\">{</span>\n    node<span class=\"token punctuation\">.</span><span class=\"token function\">show</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  <span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  edges<span class=\"token punctuation\">.</span><span class=\"token function\">forEach</span><span class=\"token punctuation\">(</span><span class=\"token parameter\">edge</span> <span class=\"token operator\">=></span> <span class=\"token punctuation\">{</span>\n    edge<span class=\"token punctuation\">.</span><span class=\"token function\">show</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  <span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n  graph<span class=\"token punctuation\">.</span><span class=\"token function\">paint</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span>\n</code></pre></div>","position":{"start":{"line":20,"column":1,"offset":719},"end":{"line":51,"column":4,"offset":1482}}}],"position":{"start":{"line":1,"column":1,"offset":0},"end":{"line":52,"column":1,"offset":1483}}}}