“圆形"使用SVG的菜单 [英] "Circular" menu using SVG

问题描述

我想做一个圆形菜单，其中包含可变(未知)个元素，也就是说，我的链接将放置在一个圆上.

I would like to do a circular menu, with a variable (unknown) number of elements, that is, my links would be disposed on a circle.

我想用 SVG 画圆，但是如何在圆上等距处放置物品?

I thought use the SVG to draw the circle, but how to dispose the items on the equal distance on the circle?

我可以从代码开始:

.container {border: 1px solid red; background: lightblue;}

<figure>
  <figcaption>Inline, auto size</figcaption>
  <div class="container">
    <svg viewBox="0 0 10 10"><use xlink:href="#my-circle"/></svg>
    <div>one</div>
    <div>two</div>
    <div>tree</div>
  </div>
</figure>
<svg>
  <symbol id="my-circle" >
    <g fill="transparent" stroke="darkgoldenrod" stroke-width="0.1">
      <circle r="3" transform="translate(5,5)" />
    </g>
  </symbol>
</svg>

调整容器大小时，圆圈应调整大小，并且物品应移动.

The circle should resize as the container is resized, and items should move.

有没有很多JS的方法吗?

Is there a way to do it without a lot of JS?

推荐答案

您可以在循环路径上使用文本:

You may use text on a circular path:

svg{border:1px solid}
a:hover{fill:red; }

<svg viewBox="0 0 200 200">
<defs>
   <desc>The path used for the text</desc>
   <path id="c" d="M150,100 A50,50 0 1 1 150,99.99z"  />
</defs>

<use xlink:href="#c" stroke="#d9d9d9" fill="none"/>

     <text font-size="20" >
      <textPath xlink:href="#c" startOffset="50%">
            <a xlink:href="https://stackoverflow.com">stack</a>
      </textPath>
  </text>
  
  <text font-size="20" text-anchor="middle">
      <textPath xlink:href="#c" startOffset="75%">
            <a xlink:href="https://stackoverflow.com">over</a>
      </textPath>
  </text>
  
  <text font-size="20" text-anchor="end">
      <textPath xlink:href="#c" startOffset="100%">
            <a xlink:href="https://stackoverflow.com">flow</a>
      </textPath>
  </text>

</svg>

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