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javascript - 创建三角形菜单

问题描述

我正在尝试创建一个菜单，其中包含一起形成一个正方形的直角三角形。这就是我的设想：

https://i.ibb.co/h7pLqBt/Sample.png

这是我希望达到的目标：

我尝试了几种不同的方法，但每种方法都遇到了几个问题：

    <div class="menu-box">
    <svg id="menu" style="border: black solid 1px" width="100" height="100" viewbox="0, 0, 100, 100">
      <polygon class = "top" points='0,0 0,100 100,0'  fill="none" stroke="red"/>
      <text x="-18" y="68" fill="black" transform="rotate(-45)">Item</text>
      <polygon  points='100,0 100,100 0,100'  fill="none" stroke="red" />
        <text x="-18" y="84" fill="black" transform="rotate(-45)">Item</text>
    </svg>
    </div>

我知道这是非常雄心勃勃的，但任何帮助将不胜感激。我也对其他想法持开放态度，但这些是我在网上找到的。

编辑：切换到更好的图像

标签： javascripthtmlcsssvgcss-shapes

解决方案

这是一个使用倾斜变换的想法：

* {
  box-sizing: border-box;
}

.menu {
  width: 150px;
  border: 1px solid;
  overflow: hidden;
  display: flex;
  justify-content: center;
}

/*maitain ratio*/
.menu:before {
  content: "";
  padding-top: 100%;
}

.menu a {
  position:relative;
  width: 100%;
  flex-shrink: 0;
  border: 3px solid red;
  transform: skew(-45deg);
  overflow:hidden;
  color:#fff;
  font-weight:bold;
  font-size:18px;
}

.menu a:first-child span {
  position: absolute;
  bottom:0;
  left: 50%;
  width: 141%;
  display: block;
  text-align: center;
  transform-origin: 86% 100%;
  transform: translate(-50%) skew(45deg) rotate(-45deg) translateX(86%);
}

.menu a:last-child span {
  position: absolute;
  top:0;
  left: 50%;
  width: 141%;
  display: block;
  text-align: center;
  transform-origin: 14% 0%;
  transform: translateX(-50%) skew(45deg) rotate(-45deg) translateX(-86%);
}

.menu a:before {
  content:"";
  position:absolute;
  top:0;
  left:-50%;
  right:-50%;
  bottom:0;
  background:url(https://picsum.photos/id/1069/500/500) center/cover;
  transform: skew(45deg);
}
.menu a:last-child:before {
  background:url(https://picsum.photos/id/1059/500/500) center/cover;
}

/*Hover */
.menu a:hover {
  color:green;
  border-color:yellow;
}
.menu a:hover:before {
  filter:grayscale(100%);
}
<div class="menu">
  <a href="#"><span>Link 1</span></a>
  <a href="#"><span>Link 2</span></a>
</div>

<div class="menu" style="width:200px">
  <a href="#"><span>Link 1</span></a>
  <a href="#"><span>Link 2</span></a>
</div>

<div class="menu" style="width:250px">
  <a href="#"><span>Link 1</span></a>
  <a href="#"><span>Link 2</span></a>
</div>

也可以直接在 HTML 代码中指定图片

* {
  box-sizing: border-box;
}

.menu {
  width: 150px;
  border: 1px solid;
  overflow: hidden;
  display: flex;
  justify-content: center;
}

/*maitain ratio*/
.menu:before {
  content: "";
  padding-top: 100%;
}

.menu a {
  position:relative;
  width: 100%;
  flex-shrink: 0;
  border: 3px solid red;
  transform: skew(-45deg);
  overflow:hidden;
  color:#fff;
  font-weight:bold;
  font-size:18px;
  background-size:0 0;
}


.menu a:first-child span {
  position: absolute;
  bottom:0;
  left: 50%;
  width: 141%;
  display: block;
  text-align: center;
  transform-origin: 86% 100%;
  transform: translate(-50%) skew(45deg) rotate(-45deg) translateX(86%);
}

.menu a:last-child span {
  position: absolute;
  top:0;
  left: 50%;
  width: 141%;
  display: block;
  text-align: center;
  transform-origin: 14% 0%;
  transform: translateX(-50%) skew(45deg) rotate(-45deg) translateX(-86%);
}


.menu a:before {
  content:"";
  position:absolute;
  top:0;
  left:-50%;
  right:-50%;
  bottom:0;
  background-image:inherit;
  background-position:center;
  background-size:cover;
  transform: skew(45deg);
}

/*Hover */
.menu a:hover {
  color:green;
  border-color:yellow;
}
.menu a:hover:before {
  filter:grayscale(100%);
}
<div class="menu">
  <a href="#" style="background-image:url(https://picsum.photos/id/1069/500/500)"><span>Link 1</span></a>
  <a href="#" style="background-image:url(https://picsum.photos/id/1049/500/500)"><span>Link 2</span></a>
</div>

<div class="menu" style="width:200px">
  <a href="#" style="background-image:url(https://picsum.photos/id/1063/500/500)"><span>Link 1</span></a>
  <a href="#" style="background-image:url(https://picsum.photos/id/1069/500/500)"><span>Link 2</span></a>
</div>

<div class="menu" style="width:250px">
  <a href="#" style="background-image:url(https://picsum.photos/id/109/500/500)"><span>Link 1</span></a>
  <a href="#" style="background-image:url(https://picsum.photos/id/1069/500/500)"><span>Link 2</span></a>
</div>

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