@antv/g6
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graph visualization frame work
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{"expireTime":9007200828528711000,"key":"transformer-remark-markdown-html-ee8bfbb4c412507ff9097aa5a0865b8a-gatsby-remark-prettiergatsby-remark-prismjsgatsby-remark-external-linksgatsby-remark-autolink-headersgatsby-remark-reading-time-","val":"<h2 id=\"节点与边的显示隐藏\"><a href=\"#%E8%8A%82%E7%82%B9%E4%B8%8E%E8%BE%B9%E7%9A%84%E6%98%BE%E7%A4%BA%E9%9A%90%E8%97%8F\" aria-label=\"节点与边的显示隐藏 permalink\" class=\"anchor\"><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></a>节点与边的显示/隐藏</h2>\n<p>使用下面四个函数可以实现节点与边的显示/隐藏：</p>\n<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>\n<h2 id=\"示例\"><a href=\"#%E7%A4%BA%E4%BE%8B\" aria-label=\"示例 permalink\" class=\"anchor\"><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></a>示例</h2>\n<p><img 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\"><br />下面代码从 <a href=\"https://codepen.io/Yanyan-Wang/pen/gOOLERv\" target=\"_self\" rel=\"nofollow\">完整 Demo 代码</a> 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：</p>\n<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>"}